1
|
Talaat S, Hashem AA, Abu-Seida A, Abdel Wahed A, Abdel Aziz TM. Regenerative potential of mesoporous silica nanoparticles scaffold on dental pulp and root maturation in immature dog's teeth: a histologic and radiographic study. BMC Oral Health 2024; 24:817. [PMID: 39026199 PMCID: PMC11264670 DOI: 10.1186/s12903-024-04368-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Accepted: 05/13/2024] [Indexed: 07/20/2024] Open
Abstract
OBJECTIVE To evaluate histologically and radiographically the potential of dog's immature roots with apical periodontitis to regenerate after regenerative endodontic treatment using mesoporous silica nanoparticles (MSNs) with/without bone morphogenic protein (BMP-2) as scaffolds. METHODS In 4 mongrel dogs, 56 immature teeth with 96 roots were infected, resulting in necrotic pulps and periapical pathosis. According to the evaluation time (Group I = 30 days and Group II = 90 days), 90 roots were divided into two equal groups (45 roots each) and 6 roots used to replace any lost root during the procedure. The two main groups were further divided according to treatment protocol into 5 subgroups (9 roots each): blood clot (BC subgroup), mesoporous silica nanoparticles scaffold only (MSNs subgroup), mesoporous silica nanoparticles impregnated with BMP2 (MSNs + BMP2 subgroup), infected teeth without treatment (+ ve control subgroup) and normal untouched teeth (-ve control subgroup). All teeth surfaces were coated with Tincture iodine and calcium hydroxide was applied prior to treatment protocols. Then, teeth were restored with glass ionomer filling to seal the remaining part of the access cavity. Radiography evaluation of the increase in root length, root thickness and occurrence of apical closure were performed. Following the sacrifice of the two dogs at each time of evaluation, histopathological analysis was performed and included the inflammatory cells count, bone resorption, tissue ingrowth, deposition of hard tissue, and closure of the apical part. All data were statistically analyzed. RESULTS Compared to BC subgroup, MSNs and MSNs + BMP-2 subgroups exhibited significant higher increase in root length and thickness as well as higher vital tissue in-growth and new hard tissue formation in group II (P < 0.05). MSNs + BMP-2 subgroup had significant higher increase in root length and thickness as well as significant lower inflammatory cell count than MSNs subgroup in both groups (P < 0.05). There were no significant differences between MSNs and MSNs + BMP-2 subgroups regarding new hard tissue formation in both groups and apical closure in group I (P > 0.05). CONCLUSION MSNs with/without BMP-2 scaffolds enabled the continuing growth of roots in immature teeth with necrotic pulps and periapical pathosis. Addition of BMP-2 to MSNs scaffold improved its outcome in regenerative endodontics. CLINICAL RELEVANCE MSNs with/without BMP-2 scaffolds may alternate blood clot for regenerative endodontic treatment of immature teeth with necrotic pulps.
Collapse
Affiliation(s)
- Samar Talaat
- Endodontic Department, Faculty of Oral and Dental Medicine, Future University in Egypt, Cairo, Egypt.
| | - Ahmed A Hashem
- Department of Endodontic, Faculty of Dentistry, Ain Shams University, Cairo, Egypt.
| | - Ashraf Abu-Seida
- Department of Surgery, Anesthesiology and Radiology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
- Faculty of Dentistry, Galala University, New Galala City, Suez, Egypt
| | - Adel Abdel Wahed
- Endodontic Department, Faculty of Oral and Dental Medicine, Future University in Egypt, Cairo, Egypt
| | - Tarek M Abdel Aziz
- Department of Endodontic, Faculty of Dentistry, Ain Shams University, Cairo, Egypt
| |
Collapse
|
2
|
Asal MA, Elkalla IH, Awad SM, Elhawary YM, Alhosainy AY. Comparative Evaluation of Platelet-rich Fibrin and Treated Dentin Matrix in Regenerative Endodontic Treatment of Nonvital Immature Permanent Teeth: A Randomized Clinical Trial. J Contemp Dent Pract 2024; 25:563-574. [PMID: 39364823 DOI: 10.5005/jp-journals-10024-3713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/05/2024]
Abstract
AIM Clinical and radiographic evaluation of the efficacy of platelet-rich fibrin (PRF) and treated dentin matrix (TDM) in regenerative endodontic treatment and periapical healing of nonvital immature permanent teeth with chronic apical periodontitis. MATERIALS AND METHODS Twenty-four children aged between 7 and 11 years, each presenting with a nonvital immature permanent upper central incisor, were selected. They were randomly allocated into two groups (n = 12), group I (PRF) and group II (TDM). Baseline clinical findings were recorded, and preoperative cone-beam computed tomography (CBCT) was taken. Follow-up was done clinically for 15 months at 3-month intervals (3, 6, 9, 12, and 15 months), and CBCT was taken at the end of the 15-month follow-up. Root length, apical diameter, radiographic root area (RRA), and size of the periapical lesion were quantitively assessed at the end of follow-up period and compared to the preoperative CBCT. RESULTS Clinical success was 100% in both groups by the end of the follow-up period. Radiographically, after a 15-month follow-up, there was a significant increase in root length and RRA, and there was also a significant reduction in apical diameter and lesion size within each group (p < 0.05). However, there was no statistically significant difference between both groups regarding the mean percentage of increase in root length and mean percentage of reduction of apical diameter (p > 0.05). On the other hand, PRF showed more increase in RRA and more reduction in lesion size, with a statistically significant difference between both groups (p < 0.05). CONCLUSION Both PRF and TDM were clinically successful. Platelet-rich fibrin showed better radiographic outcomes and periapical healing. CLINICAL SIGNIFICANCE Platelet-rich fibrin is a viable scaffold to aid further root development and resolution of periapical lesions of nonvital immature permanent teeth. Further studies with different forms of TDM are needed to assess the efficacy of TDM in regenerative endodontic treatment of nonvital immature permanent teeth. How to cite this article: Asal MA, Elkalla IH, Awad SM, et al. Comparative Evaluation of Platelet-rich Fibrin and Treated Dentin Matrix in Regenerative Endodontic Treatment of Nonvital Immature Permanent Teeth: A Randomized Clinical Trial. J Contemp Dent Pract 2024;25(6):563-574.
Collapse
Affiliation(s)
- Mohamed A Asal
- Department of Pediatric Dentistry and Dental Public Health, Faculty of Dentistry, Mansoura University, Mansoura, Egypt, Phone: +002 01276687730, e-mail:
| | - Ibrahim H Elkalla
- Department of Pediatric Dentistry and Dental Public Health, Faculty of Dentistry, Mansoura University, Mansoura, Egypt
| | - Salwa M Awad
- Department of Pediatric Dentistry and Dental Public Health, Faculty of Dentistry, Mansoura University, Mansoura, Egypt
| | - Yousry M Elhawary
- Department of Oral Biology, Faculty of Dentistry, Mansoura University, Mansoura, Egypt
| | - Ashraf Y Alhosainy
- Department of Pediatric Dentistry and Dental Public Health, Faculty of Dentistry, Mansoura University, Mansoura, Egypt
| |
Collapse
|
3
|
Kumari S, Sharma A, Singh A, Nagendra SB, Qurishi AA, Parmar NJ, Mehta DN. Use of Endodontic Procedures in Young Permanent Teeth. JOURNAL OF PHARMACY AND BIOALLIED SCIENCES 2024; 16:S797-S799. [PMID: 38595543 PMCID: PMC11000935 DOI: 10.4103/jpbs.jpbs_1018_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 10/20/2023] [Accepted: 10/23/2023] [Indexed: 04/11/2024] Open
Abstract
Background Regenerative endodontic procedures (REPs) have emerged as a promising treatment option for young permanent teeth with pulp necrosis, offering the potential for tissue repair and preservation. Materials and Methods A retrospective analysis was conducted on a cohort of 30 patients aged 8 to 16 years with pulp necrosis in young permanent teeth. The patients underwent REPs, including disinfection, triple antibiotic paste application, and a coronal barrier. Clinical and radiographic data were collected at baseline and follow-up appointments at 6, 12, and 24 months. Radiographs were analyzed for root lengthening, apical closure, and resolution of periapical lesions. Results The mean increase in root length after 24 months was 3.42 mm (SD ± 1.12 mm), and 90% of cases demonstrated complete apical closure. The overall success rate, defined as the absence of clinical symptoms and radiographic evidence of pathology, was 80. Conclusion REPs show promising outcomes in young permanent teeth with pulp necrosis, promoting root development, and apical closure.
Collapse
Affiliation(s)
- Sujata Kumari
- Department of Pedodontics and Preventive Dentistry, Central Speciality Hospital, Patna, Bihar, India
| | - Ankita Sharma
- Department of Pedodontics and Preventive Dentistry, PGIDS, Rohtak, Haryana, India
| | - Abhishek Singh
- Department of Conservative Dentistry and Endodontics, Bhabha College of Dental Sciences, Bhopal, Madhya Pradesh, India
| | - Sangala Bhavani Nagendra
- Department of Oral Pathology and Microbiology, Bharati Vidyapeeth Bharati Vidyapeeth Deemed University, Maharashtra, India
| | - Ahtesham A. Qurishi
- Department of Maxillofacial Surgery and Diagnostic Sciences, College of Dentistry, Jizan University, Saudi Arabia
| | - Nirav J. Parmar
- Department of Conservative Dentistry and Endodontics, Faculty of Dental Science, Dharsinh Desai University, Nadiad, Gujarat, India
| | - Dhaval Niranjan Mehta
- Professor and Head, Department of Oral Medicine and Radiology, Narsinbhai Patel Dental College and Hospital, Sankalchand Patel University, Visnagar, Gujrat, India
| |
Collapse
|
4
|
Tzanetakis G, Jakovljevic A, Koletsi D, Jacimovic J, Nagendrababu V, Duncan HF, Dummer PMH. Critical analysis of the reporting quality of animal studies within Endodontics using the Preferred Reporting Items for Animal Studies in Endodontics (PRIASE) 2021 quality standard checklist. Int Endod J 2023; 56:1042-1062. [PMID: 37300853 DOI: 10.1111/iej.13944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 05/07/2023] [Accepted: 06/07/2023] [Indexed: 06/12/2023]
Abstract
AIM To critically evaluate the reporting quality of a random sample of animal studies within the field of endodontics against the Preferred Reporting Items for Animal Studies in Endodontics (PRIASE) 2021 checklist and to investigate the association between the quality of reporting and several characteristics of the selected studies. METHODOLOGY Fifty animal studies related to endodontics were randomly selected from the PubMed database with publication dates from January 2017 to December 2021. For each study, a score of '1' was given when the item of the PRIASE 2021 checklist was fully reported, whereas a score of '0' was given when an item was not reported; when the item was inadequately or partially reported, a score of '0.5' was given. Based on the overall scores allocated to each manuscript, they were allocated into three categories of reporting quality: low, moderate and high. Associations between study characteristics and reporting quality scores were also analysed. Descriptive statistics and Fisher's exact tests were used to describe the data and determine associations. The probability value of .05 was selected as the level of statistical significance. RESULTS Based on the overall scores, four (8%) and 46 (92%) of the animal studies evaluated were categorized as 'High' and 'Moderate' reporting quality, respectively. A number of items were adequately reported in all studies related to background (Item 4a), relevance of methods/results (7a) and interpretation of images (11e), whereas only one item related to changes in protocol (6d) was not reported in any. No associations were confirmed between reporting quality scores and number of authors, origin of the corresponding author, journal of publication (endodontic specialty vs. non- specialty), impact factor or year of publication. CONCLUSIONS Animal studies published in the specialty of endodontics were mostly of 'moderate' quality in terms of the quality of reporting. Adherence to the PRIASE 2021 guidelines will enhance the reporting of animal studies in the expectation that all future publications will be high quality.
Collapse
Affiliation(s)
- Giorgos Tzanetakis
- Department of Endodontics, School of Dentistry, National and Kapodistrian University of Athens, Athens, Greece
| | - Aleksandar Jakovljevic
- Department of Pathophysiology, School of Dental Medicine, University of Belgrade, Belgrade, Serbia
| | - Despina Koletsi
- Clinic of Orthodontics and Pediatric Dentistry, Center of Dental Medicine, University of Zurich, Zurich, Switzerland
- Meta- Research Innovation Center at Stanford (METRICS), Stanford University, Stanford, California, USA
| | - Jelena Jacimovic
- Central Library, School of Dental Medicine, University of Belgrade, Belgrade, Serbia
| | - Venkateshbabu Nagendrababu
- University of Sharjah, College of Dental Medicine, Department of Preventive and Restorative Dentistry, Sharjah, UAE
| | - Henry Fergus Duncan
- Division of Restorative Dentistry & Periodontology, Dublin Dental University Hospital, Trinity College Dublin, Dublin, Ireland
| | | |
Collapse
|
5
|
Rayos-Verdugo JY, Rivera-Chaparro F, Castro-Salazar GY, Ramírez-Álvarez M, Romero-Quintana JG, Loyola-Rodríguez JP, Zavala-Alonso NV, Avendaño-Félix M, Soto-Sainz JE, Silva-Benítez EDL. Propylene Glycol Potentiates the Inhibitory Action of CTZ Paste on Antibiotic-Resistant Enterococcus faecalis Isolated from the Root Canal: An In Vitro Study. Microorganisms 2023; 11:2208. [PMID: 37764052 PMCID: PMC10537855 DOI: 10.3390/microorganisms11092208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 08/25/2023] [Accepted: 08/29/2023] [Indexed: 09/29/2023] Open
Abstract
This study aimed to evaluate if the change of vehicle for CTZ (Chloramphenicol, Tetracycline, zinc oxide, and Eugenol) paste improves the inhibition of Enterococcus faecalis in vitro. The vehicles evaluated alone and mixed with CTZ were Eugenol, propylene glycol (PG), super-oxidized solution (SOS), grapefruit-seed extract (GSE), and 0.9% saline solution as a negative control. A clinical isolate of E. faecalis was morphologically and biochemically characterized, and its antimicrobial susceptibility was tested using 20 antimicrobial agents. Once characterized, the clinical isolate was cultivated to perform the Kirby-Bauer disc diffusion method with paper discs embedded with the different vehicles mixed or used alone, and incubated at 37 °C for 24 h. Data were analyzed using one-way ANOVA, and the means were compared using Tukey test with a significance level of p < 0.05. For vehicles used alone, GSE presented the greatest inhibition showing a statistically significant difference with the rest of the vehicles. When vehicles were mixed with the CTZ paste, PG showed a greater inhibition with a statistically significant difference from the rest of the vehicles. In conclusion, the vehicle used to mix the CTZ paste plays an important role in the inhibition of E. faecalis in vitro; therefore, we consider that this can be an important factor to achieve success in the use of this technique.
Collapse
Affiliation(s)
- Jesús Yareli Rayos-Verdugo
- Especialidad de Odontopediatría, Facultad de Odontología, Universidad Autónoma de Sinaloa, Culiacán 80040, Mexico;
| | - Fernando Rivera-Chaparro
- Laboratorio de Microbiología, Facultad de Ciencias Químico-Biológicas, Universidad Autónoma de Sinaloa, Culiacán 80040, Mexico; (F.R.-C.); (J.G.R.-Q.)
| | - Gloria Yolanda Castro-Salazar
- Especialidad de Endodoncia, Facultad de Odontología, Universidad Autónoma de Sinaloa, Culiacán 80040, Mexico; (G.Y.C.-S.); (M.R.-Á.); (M.A.-F.); (J.E.S.-S.)
| | - Maricela Ramírez-Álvarez
- Especialidad de Endodoncia, Facultad de Odontología, Universidad Autónoma de Sinaloa, Culiacán 80040, Mexico; (G.Y.C.-S.); (M.R.-Á.); (M.A.-F.); (J.E.S.-S.)
- Maestría en Rehabilitación Oral Avanzada, Facultad de Odontología, Universidad Autónoma de Sinaloa, Culiacán 80040, Mexico;
| | - José Geovanni Romero-Quintana
- Laboratorio de Microbiología, Facultad de Ciencias Químico-Biológicas, Universidad Autónoma de Sinaloa, Culiacán 80040, Mexico; (F.R.-C.); (J.G.R.-Q.)
| | - Juan Pablo Loyola-Rodríguez
- Maestría en Rehabilitación Oral Avanzada, Facultad de Odontología, Universidad Autónoma de Sinaloa, Culiacán 80040, Mexico;
- Maestría en Odontología Integral del Niño y el Adolescente, Facultad de Odontología, Universidad Autónoma de Sinaloa, Culiacán 80040, Mexico
| | - Norma Verónica Zavala-Alonso
- Maestría en Ciencias Odontológicas, Facultad de Estomatología, Universidad Autónoma de San Luis Potosí, San Luis Potosí 78210, Mexico;
| | - Mariana Avendaño-Félix
- Especialidad de Endodoncia, Facultad de Odontología, Universidad Autónoma de Sinaloa, Culiacán 80040, Mexico; (G.Y.C.-S.); (M.R.-Á.); (M.A.-F.); (J.E.S.-S.)
- Maestría en Rehabilitación Oral Avanzada, Facultad de Odontología, Universidad Autónoma de Sinaloa, Culiacán 80040, Mexico;
| | - Jesús Eduardo Soto-Sainz
- Especialidad de Endodoncia, Facultad de Odontología, Universidad Autónoma de Sinaloa, Culiacán 80040, Mexico; (G.Y.C.-S.); (M.R.-Á.); (M.A.-F.); (J.E.S.-S.)
- Maestría en Rehabilitación Oral Avanzada, Facultad de Odontología, Universidad Autónoma de Sinaloa, Culiacán 80040, Mexico;
| | - Erika de Lourdes Silva-Benítez
- Especialidad de Endodoncia, Facultad de Odontología, Universidad Autónoma de Sinaloa, Culiacán 80040, Mexico; (G.Y.C.-S.); (M.R.-Á.); (M.A.-F.); (J.E.S.-S.)
- Maestría en Rehabilitación Oral Avanzada, Facultad de Odontología, Universidad Autónoma de Sinaloa, Culiacán 80040, Mexico;
| |
Collapse
|
6
|
da Silva Magalhães K, Kuerten Gil AC, Goulart TS, Schuldt DPV, Coelho BS, Figueiredo DDR, Garcia LDFR, de Almeida J. Efficacy of disinfection procedures performed prior to regenerative endodontic therapy: An integrative review. AUST ENDOD J 2023; 49:418-427. [PMID: 35932453 DOI: 10.1111/aej.12670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 07/17/2022] [Indexed: 11/30/2022]
Abstract
The aim of this integrative review was to identify whether the disinfection procedures performed prior to regenerative endodontic treatment were effective on biofilm removal from the root canals. The research was based on PubMed, Latin American and Caribbean Health Sciences Literature (Lilacs) and Scientific Electronic Library Online (SciELO) databases. Four articles were selected; one of the studies was in vivo and the others ex vivo. Different disinfection procedures were studied, characterised mainly by the use of intracanal medication, highlighting the double antibiotic paste, triple antibiotic paste and calcium hydroxide paste. Disinfection ability was evaluated against Enterococcus faecalis and multispecies biofilms by using the fluorescence technique and colony forming unit counting, for 7 to 21 days. Double antibiotic paste and triple antibiotic paste demonstrated excellent antibiofilm activity, unlike CH paste that showed limited disinfection, even when associated with different antimicrobial agents. Triple antibiotic paste was the most effective medication against biofilm.
Collapse
Affiliation(s)
| | - Ana Clara Kuerten Gil
- Department of Endodontics, University of Southern Santa Catarina, Palhoça, Santa Catarina, Brazil
| | - Taynara Santos Goulart
- Department of Endodontics, University of Southern Santa Catarina, Palhoça, Santa Catarina, Brazil
| | | | - Beatriz Serrato Coelho
- Department of Endodontics, University of Southern Santa Catarina, Palhoça, Santa Catarina, Brazil
| | | | | | - Josiane de Almeida
- Department of Endodontics, University of Southern Santa Catarina, Palhoça, Santa Catarina, Brazil
| |
Collapse
|
7
|
Moradi S, Moushekhian S, Najafi E, Sedigh HS, Navabi S. Efficacy of propolis and triple antibiotic paste as intra-canal medicaments for revascularisation of immature teeth in dogs: a comparative study. Eur Arch Paediatr Dent 2023:10.1007/s40368-023-00806-1. [PMID: 37314621 DOI: 10.1007/s40368-023-00806-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Accepted: 05/22/2023] [Indexed: 06/15/2023]
Abstract
AIM Revascularisation is a therapeutic approach for treatment of immature teeth with necrotic pulp. The conventional protocol includes application of triple antibiotic paste (TAP). The present study aimed to compare the efficacy of propolis and TAP as intra-canal medicaments for revascularisation of immature teeth in dogs. METHODOLOGY This study was conducted on 20 immature (open-apex) canine teeth in mixed breaded dogs. First, the teeth were exposed to oral environment, followed by intra-canal cleaning and shaping 2 weeks later.. The teeth were divided into two groups. The TAP group received paste comprising of ciprofloxacin, metronidazole, and minocycline (at a concentration of 100 µg/mL), while propolis (15% w/v) was used in the other group. The revascularisation procedure was done by means of sodium hypochlorite, EDTA and distilled water as final irrigant. After dehumidifying and induction of bleeding, mineral trioxide aggregate (MTA) was applied At 6-month follow-up, radiographs were evaluated by two observers regarding root length and thickness, intra-canal calcification, periapical lesions, and apex formation. Data were analysed by the Chi-square and Fisher's exact tests. RESULTS There was no significant difference between the TAP and propolis groups in root length or root thickness increase, calcification, related lesions, or apex formation (P > 0.05). CONCLUSION Findings of the present study in experimental animals revealed that the efficacy of propolis as an intra-canal medicament is comparable to that of triple antibiotic paste for revascularisation therapy.
Collapse
Affiliation(s)
- S Moradi
- Dental Materials Research Center and Department of Endodontics, Faculty of Dentisry, Mashhad University of Medical Sciences, Mashhad, Iran
| | - S Moushekhian
- Dental Materials Research Center and Department of Endodontics, Faculty of Dentisry, Mashhad University of Medical Sciences, Mashhad, Iran
| | - E Najafi
- Department of Endodontics, Faculty of Dentistry, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - H S Sedigh
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran
| | - S Navabi
- Department of Endodontics, Faculty of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran.
| |
Collapse
|
8
|
Rathinam E, Rajasekharan S, Declercq H, Vanhove C, De Coster P, Martens L. Effect of Intracoronal Sealing Biomaterials on the Histological Outcome of Endodontic Revitalisation in Immature Sheep Teeth-A Pilot Study. J Funct Biomater 2023; 14:jfb14040214. [PMID: 37103304 PMCID: PMC10144940 DOI: 10.3390/jfb14040214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/17/2023] [Accepted: 04/08/2023] [Indexed: 04/28/2023] Open
Abstract
The influence of intracoronal sealing biomaterials on the newly formed regenerative tissue after endodontic revitalisation therapy remains unexplored. The objective of this study was to compare the gene expression profiles of two different tricalcium silicate-based biomaterials alongside the histological outcomes of endodontic revitalisation therapy in immature sheep teeth. The messenger RNA expression of TGF-β, BMP2, BGLAP, VEGFA, WNT5A, MMP1, TNF-α and SMAD6 was evaluated after 1 day with qRT-PCR. For evaluation of histological outcomes, revitalisation therapy was performed using Biodentine (n = 4) or ProRoot white mineral trioxide aggregate (WMTA) (n = 4) in immature sheep according to the European Society of Endodontology position statement. After 6 months' follow-up, one tooth in the Biodentine group was lost to avulsion. Histologically, extent of inflammation, presence or absence of tissue with cellularity and vascularity inside the pulp space, area of tissue with cellularity and vascularity, length of odontoblast lining attached to the dentinal wall, number and area of blood vessels and area of empty root canal space were measured by two independent investigators. All continuous data were subjected to statistical analysis using Wilcoxon matched-pairs signed rank test at a significance level of p < 0.05. Biodentine and ProRoot WMTA upregulated the genes responsible for odontoblast differentiation, mineralisation and angiogenesis. Biodentine induced the formation of a significantly larger area of neoformed tissue with cellularity, vascularity and increased length of odontoblast lining attached to the dentinal walls compared to ProRoot WMTA (p < 0.05), but future studies with larger sample size and adequate power as estimated by the results of this pilot study would confirm the effect of intracoronal sealing biomaterials on the histological outcome of endodontic revitalisation.
Collapse
Affiliation(s)
- Elanagai Rathinam
- ELOHA (Equal Lifelong Oral Health for All) Research Group, Paediatric Dentistry, Oral Health Sciences, Ghent University Hospital, 9000 Ghent, Belgium
| | - Sivaprakash Rajasekharan
- ELOHA (Equal Lifelong Oral Health for All) Research Group, Paediatric Dentistry, Oral Health Sciences, Ghent University Hospital, 9000 Ghent, Belgium
| | - Heidi Declercq
- Tissue Engineering and Biomaterials Group, Department of Human Structure and Repair, Ghent University Hospital, Ghent University, 9000 Ghent, Belgium
- Tissue Engineering Laboratory, Department of Development and Regeneration, KU Leuven, 8500 Kortrijk, Belgium
| | - Christian Vanhove
- Medical Imaging & Signal Processing, Infinity Laboratory, Ghent University Hospital, Ghent University, 9000 Ghent, Belgium
| | - Peter De Coster
- Department of Reconstructive Dentistry and Oral Biology, Dental School, Ghent University Hospital, Ghent University, 9000 Ghent, Belgium
| | - Luc Martens
- ELOHA (Equal Lifelong Oral Health for All) Research Group, Paediatric Dentistry, Oral Health Sciences, Ghent University Hospital, 9000 Ghent, Belgium
| |
Collapse
|
9
|
Eldessoky AE, Khalefa MM, Abu-Seida AM. Regenerative endodontic therapy in mature teeth with necrotic pulp and apical periodontitis using two disinfection protocols. BMC Oral Health 2023; 23:163. [PMID: 36949460 PMCID: PMC10031861 DOI: 10.1186/s12903-023-02863-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 03/06/2023] [Indexed: 03/24/2023] Open
Abstract
OBJECTIVE This study compared the effect of diode laser (DL) 980 nm and double antibiotic paste (DAP) on response of mature teeth with necrotic pulp and apical periodontitis to regenerative endodontic therapy in a dog model. METHODS Pulp necrosis and periapical pathosis were induced in 40 mature double rooted premolars in four 2-year-old mongrel dogs. These teeth were randomly divided according to disinfection protocol into four equal groups (10 teeth each/20 roots), group I: DAP; group II: DL980 nm; group III: positive control (without treatment) and group IV: negative control (untouched teeth). These groups were further subdivided into 2 subgroups (5 teeth each/10 roots) according to evaluation period, subgroup (A): one month and subgroup (B): three months. Revascularization techniques were performed using bleeding induction and application of platelet rich fibrin (PRF). The coronal cavities were sealed with mineral trioxide aggregate (MTA) and glass ionomer cement. The inflammatory response, vital tissue in-growth, new hard tissue formation and bone resorption were assessed. Statistical analysis was done utilizing ANOVA, Tukey's post hoc and paired t tests. RESULTS In both subgroups, there were no significant differences between DAP and DL980 in terms of inflammatory cell count, vital tissue in-growth, new hard tissue formation and bone resorption (P ≤ 0.05). CONCLUSION Diode laser 980 nm can alternate DAP as a disinfection method of the root canal during RET for mature necrotic teeth, therefore it may accelerate regenerative endodontic therapy for both the patient and dentist and allows for RET in a single appointment.
Collapse
Affiliation(s)
- Aalaa E Eldessoky
- Department of Endodontics, Faculty of Dental Medicine for Girls, Al-Azhar University, Cairo, Egypt
| | - Mohammed M Khalefa
- Department of Endodontics, Faculty of Dental Medicine for Girls, Al-Azhar University, Cairo, Egypt
| | - Ashraf M Abu-Seida
- Department of Surgery, Anesthesiology & Radiology, Faculty of Veterinary Medicine, Cairo University, PO: 12211, Giza, Egypt.
| |
Collapse
|
10
|
Rahul M, Lokade A, Tewari N, Mathur V, Agarwal D, Goel S, Keshari P, Sharma S, Bansal K. Effect of Intracanal Scaffolds on the Success Outcomes of Regenerative Endodontic Therapy - A Systematic Review and Network Meta-analysis. J Endod 2023; 49:110-128. [PMID: 36410623 DOI: 10.1016/j.joen.2022.11.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 11/12/2022] [Accepted: 11/12/2022] [Indexed: 11/20/2022]
Abstract
INTRODUCTION The scaffolds used in regenerative endodontic therapy (RET) provide structural support for cells so that they can adhere to the scaffolds and also are crucial for cellular proliferation and differentiation. The objective of this network meta-analysis was to compare effects of different intracanal scaffolds on success outcomes of RET. METHODS PubMed/Medline, EMBASE, Cochrane, CINAHL, Scopus, and Web of Science databases were searched. Studies evaluating and/or comparing clinical and/or radiographic success of RET using different scaffolds with a minimum of 12 months follow-up were included. The Cochrane Collaboration risk of bias (ROB) tool and appropriate tools from Joanna Briggs Institute were used for the assessment of ROB. A network meta-analysis was performed to compare the primary outcome (clinical success) and other success outcomes (root maturation, and pulpal sensibility) using different scaffolds. RESULTS Twenty-seven studies fulfilled the desired inclusion criteria of which 25 had a low ROB whereas 2 had a moderate ROB. Clinical success of RET using platelet-rich plasma (PRP), blood clot (BC), and platelet-rich fibrin (PRF) scaffolds ranged between 91.66%-100%, 84.61%-100%, and 77%-100% respectively. The different scaffolds did not show any statistically significant difference in clinical success (PRF vs BC [P = 1.000], PRP vs BC [P = 1.000], and PRF vs PRP [P = .999]), apical root closure (PRF vs BC [P = 1.000], PRP vs BC [P = .835], PRF vs PRP [P = .956]), and pulp sensibility (PRF vs BC [P = .980], PRP versus BC [P = .520], and PRF vs PRP [P = .990]). CONCLUSION The intracanal scaffolds used during RET did not result in significant differences in regard to clinical success, root maturation, and pulpal sensibility.
Collapse
Affiliation(s)
- Morankar Rahul
- Division of pedodontics and preventive dentistry, Centre for Dental Education and Research, AIIMS, New Delhi, India.
| | - Amolkumar Lokade
- Division of pedodontics and preventive dentistry, Centre for Dental Education and Research, AIIMS, New Delhi, India
| | - Nitesh Tewari
- Division of pedodontics and preventive dentistry, Centre for Dental Education and Research, AIIMS, New Delhi, India
| | - Vijay Mathur
- Division of pedodontics and preventive dentistry, Centre for Dental Education and Research, AIIMS, New Delhi, India
| | - Deepali Agarwal
- Division of Public Health Dentistry, Centre for Dental Education and Research, AIIMS, New Delhi, India
| | - Shubhi Goel
- Department of Public Health Dentistry, Postgraduate Institute of Dental Sciences, Rohtak, Haryana, India
| | | | - Sidhartha Sharma
- Division of Conservative Dentistry and Endodontics, Centre for Dental Education and Research, AIIMS, New Delhi, India
| | - Kalpana Bansal
- Division of pedodontics and preventive dentistry, Centre for Dental Education and Research, AIIMS, New Delhi, India
| |
Collapse
|
11
|
Tirez E, Pedano MS. Regeneration of the Pulp Tissue: Cell Homing versus Cell Transplantation Approach: A Systematic Review. MATERIALS (BASEL, SWITZERLAND) 2022; 15:8603. [PMID: 36500098 PMCID: PMC9736993 DOI: 10.3390/ma15238603] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Revised: 11/19/2022] [Accepted: 11/23/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND The main objective of this systematic review was to compare the apical healing, root maturation and histological characteristics of teeth treated with cell-based versus cell-free techniques. METHODS The methodology of this review was based on the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines. A literature search strategy was carried out on PubMed, EMBASE and the Web of Science databases. The last search was done on 1 August 2021. Articles written in languages other than English were excluded. Two researchers independently selected the studies and extracted the data. As no randomized clinical trials were available, animal studies were included. RESULTS In total, 26 studies were included in the systematic review: 22 articles only researched the cell-free technique, 3 articles compared the cell-based to the cell-free technique, and 1 article compared the cell-based technique to apexification. In terms of apical healing, qualitative analysis of the data suggested that there seems to be no significant difference between cell-free and cell-based techniques. The results regarding tooth maturation are contradictory. The main difference between the cell-free and the cell-based techniques seems to be the histology of the treated tooth. The cell-free technique seems to result in cementum-like, bone-like or periodontal ligament-like tissue. One study, on the other hand, found that the cell-based technique resulted in regeneration of the whole pulp with an odontoblast layer, connective tissue, blood vessels and neuronal tissue. CONCLUSIONS Currently, the number of randomized clinical trials on this topic are very scarce. This is probably due to the limited infrastructure and lack of resources to apply the cell-based technique. Even though both techniques seem to be promising for clinical application, long-term data need to be provided regarding the healing and reparative patterns.
Collapse
|
12
|
Radiographic differences observed following apexification vs revascularization in necrotic immature molars and incisors: a follow-up study of 18 teeth. Eur Arch Paediatr Dent 2022; 23:381-389. [PMID: 35129776 PMCID: PMC9167200 DOI: 10.1007/s40368-022-00692-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Accepted: 01/10/2022] [Indexed: 12/31/2022]
Abstract
PURPOSE To evaluate the effectiveness of apexification versus revascularization in the treatment of necrotic immature teeth and determine which strategy affords the greatest radiological success rate. METHODS An analysis was made of 18 teeth subjected to mineral trioxide aggregate (MTA) apical plugging and regenerative endodontic treatment, assessing healing of the apical lesions and the changes in root dimensions. RESULTS Significantly greater root growth was observed with revascularization in terms of the percentage change in length (12.75% at 6 months) and dentin thickness (34.57% at 6 months) (p < 0.05). There were no significant differences between the two treatments in terms of the apical healing scores after 6 months of follow-up (p > 0.05). CONCLUSION Apexification with an MTA apical plug and pulp regeneration are reliable treatments for non-vital immature teeth. The radiographic outcomes are comparable between the immature teeth subjected to MTA apexification versus those subjected to revascularization. The results of the present study indicate a greater increase in root length and width with regenerative endodontic treatment.
Collapse
|
13
|
Betancourt P, Bucchi C, Arroyo-Bote S. Determination of crown discoloration and fluorescence induced by different medications used in regenerative endodontic procedures: An ex vivo study. J Clin Exp Dent 2021; 13:e755-e761. [PMID: 34512913 PMCID: PMC8412810 DOI: 10.4317/jced.58114] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Accepted: 04/16/2021] [Indexed: 01/18/2023] Open
Abstract
Background Crown discoloration is an undesirable side effect of the use of triple antibiotic paste (TAP) in regenerative endodontic procedures (REPs). The aim of this ex vivo study was to assess the potential for tooth discoloration and induction of fluorescence associated with the use of TAP containing either doxycycline (DOX) or clindamycin (CLIN), and of calcium hydroxide (Ca(OH)2), by spectrophotometric analysis and confocal laser scanning microscopy (CLSM).
Material and Methods A total of forty single-rooted human teeth extracted by therapeutic indication were used. The root canals were enlarged using the step-back technique up to a K #80 file and were randomly divided into four experimental groups (10 specimens each): i)Ca(OH)2 group, ii)TAP with DOX group, iii) TAP with CLIN group, iv) Control group (no treatment). To quantify the change of color of the different groups of teeth included, the Vita Easyshade advance 4.0 spectrophotometer was used. CLSM was used to determine fluorescence.
Results After 28 days of action inside the root canal, no extreme discoloration was visible, to the naked eye, in any of the teeth included in the study. Under the conditions of this ex vivo study, TAP with DOX induced the highest crown discoloration among the medicaments tested. In contrast, Ca(OH)2 and TAP with CLIN did not induce crown discoloration after 28 days. The TAP with DOX group presented the highest fluorescence measurements.
Conclusions Considering the discoloration potential and fluorescence changes in TAP with DOX or other tetracyclines, and the cytotoxic effect of TAPs, we recommend the use of Ca(OH)2 for REPs. Key words:Discoloration, doxycycline, clinadamycin, calcium hydroxide, endodontics.
Collapse
Affiliation(s)
- Pablo Betancourt
- Research Centre for Dental Sciences (CICO), Department of Integral Adult Dentistry, Universidad de La Frontera, Temuco, Chile
| | - Cristina Bucchi
- Research Centre for Dental Sciences (CICO), Department of Integral Adult Dentistry, Universidad de La Frontera, Temuco, Chile
| | - Sebastiana Arroyo-Bote
- Associate Professor at the Faculty of Medicine and Health Sciences. University of Barcelona. Spain. Coordinating Professor of ADEMA. University of the Balearic Islands. Spain. IDIBELL Researcher
| |
Collapse
|
14
|
The effect of changing apical foramen diameter on regenerative potential of mature teeth with necrotic pulp and apical periodontitis. Clin Oral Investig 2021; 26:1843-1853. [PMID: 34480644 DOI: 10.1007/s00784-021-04159-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 08/21/2021] [Indexed: 02/08/2023]
Abstract
OBJECTIVE The aim of the present study was to evaluate the regenerative potential of permanent necrotic mature teeth with different apical foramen diameters in comparison to conventional endodontic treatment. METHODS Pulp necrosis and periapical pathosis were induced in premolars (144 roots) in six mongrel dogs. The infected teeth were divided into six groups; conventional root canal treatment (RCT) group prepared up to apical preparation sizes #F3 ProTaper file, regenerative endodontic therapy (RET) groups; groups RET-F3, RET-F4, and RET-F5 where regenerative endodontic procedures were applied after apical preparation up to sizes #F3, F4, and F5 ProTaper file, respectively, control groups; and positive (P) and negative (N) groups included infected and healthy teeth respectively. Each group (12 teeth with 24 roots each) was further subdivided into two subgroups (6 teeth with 12 roots each) according to the evaluation periods 1 and 3 months; each group was equally randomized in the upper and lower jaws during each evaluation period. RESULTS The inflammatory cell counts for the RCT group were statistically significantly higher than that of all RET groups at the first period and only significantly higher than RET-F5 at the second period. The enlargement of the apical foramen to #F5 showed no statistically significant difference with #F4 regarding the inflammatory cell count, tissue in-growth inside the root canal, and percentage of bone resorption. The tissue formed after RET was not true pulp tissue and is considered tissue repair with connective tissue, dilated blood vessels, and cementum-like structures. CONCLUSION: Increasing the apical size diameter was associated with less inflammatory cell count, less percentage of bone resorption, more tissue ingrowth, and more percentage of new hard tissue formation inside root canal. The minimum apical diameter that should be enlarged for RET is 0.4 mm. CLINICAL RELEVANCE RET could be used as an alternative procedure to RCT for the treatment of mature teeth with necrotic pulp and apical periodontitis.
Collapse
|
15
|
Prospective cohort study of regenerative potential of non vital immature permanent maxillary central incisors using platelet rich fibrin scaffold. Sci Rep 2021; 11:13679. [PMID: 34211068 PMCID: PMC8249665 DOI: 10.1038/s41598-021-93236-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Accepted: 06/21/2021] [Indexed: 12/30/2022] Open
Abstract
Regenerative endodontic procedures have gained momentum as a treatment modality of young immature permanent teeth. Literature reports reveal that platelet-rich fibrin (PRF) stimulates growth factors and induces regeneration. This study was undertaken to assess the regenerative potential of non-vital immature permanent maxillary central incisors using PRF with a follow-up for 2 yrs. 19 patients in the age group of 9–25 yrs with immature, non-vital permanent maxillary central incisors (n = 23) with/without signs and/or symptoms of periapical pathosis and open apex were included in this study. In the first appointment, access opening, canal disinfection and triple antibiotic paste placement were done. In the subsequent visit, PRF was prepared and placed inside the canal. Access was sealed with Mineral trioxide aggregate plug and composite. The patient was reviewed up to 24 mths. The mean difference was statistically analyzed using Friedman test followed by Dunn post hoc test and adjusted by Bonferroni correction (p < 0.05). As per AAE guidelines, the primary and secondary goals were achieved. A significant (p < 0.001) gradual increase in the root length, thickness of dentinal walls and decrease in apical diameter were observed. Within the limitations of this study, PRF placement was clinically and radiographically effective in inducing regeneration of non-vital immature permanent teeth.
Collapse
|
16
|
Cui D, Yu S, Zhou X, Liu Y, Gan L, Pan Y, Zheng L, Wan M. Roles of Dental Mesenchymal Stem Cells in the Management of Immature Necrotic Permanent Teeth. Front Cell Dev Biol 2021; 9:666186. [PMID: 34095133 PMCID: PMC8170050 DOI: 10.3389/fcell.2021.666186] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 04/06/2021] [Indexed: 02/05/2023] Open
Abstract
Dental caries and trauma always lead to pulp necrosis and subsequent root development arrest of young permanent teeth. The traditional treatment, apexification, with the absence of further root formation, results in abnormal root morphology and compromises long-term prognosis. Regeneration endodontics procedures (REPs) have been developed and considered as an alternative strategy for management of immature permanent teeth with pulpal necrosis, including cell-free and cell-based REPs. Cell-free REPs, including revascularization and cell homing with molecules recruiting endogenous mesenchymal stem cells (MSCs), have been widely applied in clinical treatment, showing optimistic periapical lesion healing and continued root development. However, the regenerated pulp-dentin complex is still absent in these cases. Dental MSCs, as one of the essentials of tissue engineering, are vital seed cells in regenerative medicine. Dental MSC-based REPs have presented promising potential with pulp-dentin regeneration in large animal studies and clinical trials via cell transplantation. In the present review, we summarize current understanding of the biological basis of clinical treatments for immature necrotic permanent teeth and the roles of dental MSCs during this process and update the progress of MSC-based REPs in the administration of immature necrotic permanent teeth.
Collapse
Affiliation(s)
- Dixin Cui
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Sihan Yu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xin Zhou
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Ying Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Lu Gan
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yue Pan
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Liwei Zheng
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Mian Wan
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| |
Collapse
|
17
|
Tanaka S, Toriumi T, Ito T, Okuwa Y, Futenma T, Otake K, Akiyama Y, Kurita K, Nagao T, Honda M. Histological analysis of dental pulp response in immature or mature teeth after extra-oral subcutaneous transplantation into mice dorsum. J Oral Sci 2021; 63:184-190. [PMID: 33731506 DOI: 10.2334/josnusd.20-0611] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
PURPOSE The aim of this study was to assess the response of dental pulp associated with donor or host cells in the pulp chamber and root canal after extra-oral transplantation. METHODS Wild type or green fluorescent protein (GFP) transgenic first molars from 3-week, 6-week, and 12-week mice were transplanted into the subcutaneous layer of GFP mice or wild type mice. The teeth were histologically and immunohistochemically examined at 5 weeks after transplantation. RESULTS Blood vessels present in the original coronal pulp had anastomosed with those from the recipient tissue that had invaded the root canal. Two distinct eosin-stained extracellular matrices were observed in the pulp chamber and root canal. Acellular matrix composed of nestin-positive, odontoblast-like cells invaded from the outside and was seen in the root canal of 3-week teeth. Cellular matrix comprising alkaline phosphatase (ALP)-positive fibroblast-like cells appeared in the original coronal pulp. In the root canal of the 6-week and 12-week teeth, cellular extracellular matrix consisting of ALP-positive fibroblast-like cells had invaded the recipient tissue. CONCLUSION Dental pulp from immature teeth might be able to regenerate dentin-like tissue. This model could be useful in the development of an optimized vitalization treatment.
Collapse
Affiliation(s)
- Sho Tanaka
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Aichi Gakuin University
| | - Taku Toriumi
- Department of Oral Anatomy, School of Dentistry, Aichi Gakuin University
| | - Tatsuaki Ito
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Aichi Gakuin University
| | - Yuta Okuwa
- Department of Oral Anatomy, School of Dentistry, Aichi Gakuin University
| | - Taku Futenma
- Department of Oral Anatomy, School of Dentistry, Aichi Gakuin University
| | - Keita Otake
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Aichi Gakuin University
| | - Yasunori Akiyama
- Department of Oral Anatomy, School of Dentistry, Aichi Gakuin University
| | - Kenichi Kurita
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Aichi Gakuin University
| | - Toru Nagao
- Department of Maxillofacial Surgery, School of Dentistry, Aichi Gakuin University
| | - Masaki Honda
- Department of Oral Anatomy, School of Dentistry, Aichi Gakuin University
| |
Collapse
|
18
|
El-Gindy S, Obeid MF, Elbatouty KM, Elshaboury E, Hassanien E. Cell therapy: A potential solution for the healing of bone cavities. Heliyon 2021; 7:e05885. [PMID: 33474509 PMCID: PMC7803654 DOI: 10.1016/j.heliyon.2020.e05885] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Revised: 12/13/2020] [Accepted: 12/24/2020] [Indexed: 11/04/2022] Open
Abstract
Aim To Explore whether the use of autologous BMMNCs as a cell therapy technique will improve the healing of bone cavities in vivo. Methodology After achieving proper anesthesia, mononuclear cells were isolated from iliac crest's bone marrow aspirates (BMMNCs). Then access cavity, root canal preparation, and filling were done in third and fourth premolars, followed by amalgam coronal restoration. After that, a flap was reflected and a standardized bone cavity was drilled, the related root-ends were resected and retrocavity was drilled and filled with MTA. Before repositioning the flap, the bone cavity was filled with the desired filling material according to its corresponding group (n = 8): CollaCote group; where collagen scaffold was used, MNC group; in which CollaCote® loaded with isolated BMMNCs were applied, Biogen group; in which BIO-GEN® graft material was applied and finally Control group; where the bone cavities were left empty to heal spontaneously. Evaluations of healing of the bone cavities were done radiographically and histologically. Results The MNC group induced the best healing potential with statistical significant difference from other groups. Conclusion cell therapy utilizing autologous BMMNCs looks to beat the conventional therapies and convey a significant improvement in the healing of the bone cavity in vivo.
Collapse
Affiliation(s)
- Sara El-Gindy
- Department of Endodontic, Faculty of Dentistry, Egyptian Russian University Cairo, Egypt
| | - Maram Farouk Obeid
- Department of Endodontic, Faculty of Dentistry, Ain Shams University Cairo, Organization of African Unity St, El-Qobba Bridge, Al Waili, Cairo Governorate, Egypt
| | - Kareim Mostafa Elbatouty
- Department of Endodontic, Faculty of Dentistry, Ain Shams University Cairo, Organization of African Unity St, El-Qobba Bridge, Al Waili, Cairo Governorate, Egypt
| | - Elham Elshaboury
- Department of Endodontic, Faculty of Dentistry, Modern Science and Arts - MSA, Egypt
| | - Ehab Hassanien
- Department of Endodontic, Faculty of Dentistry, Ain Shams University Cairo, Organization of African Unity St, El-Qobba Bridge, Al Waili, Cairo Governorate, Egypt
| |
Collapse
|
19
|
Sharma S, Nangia D, Saini A, Kumar V, Chawla A, Perumal V, Logani A. Treatment outcome of regenerative endodontic procedures in mature permanent teeth compared to nonsurgical endodontic treatment: A systematic review and meta-analysis. J Conserv Dent 2021; 24:530-538. [PMID: 35558674 PMCID: PMC9089762 DOI: 10.4103/jcd.jcd_535_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 12/18/2021] [Accepted: 12/21/2021] [Indexed: 11/04/2022] Open
Abstract
Background: Regenerative endodontic procedures (REP) have the advantage of restoring root canal's native defense ability by re-establishing vital pulp-like tissue. This review aims to determine the overall clinical and/or radiographic success rate (O) of REP (I) in mature permanent teeth (P) and to compare it (C) with nonsurgical endodontic treatment (NSET). Materials and Methods: Sources: PubMed, Web of Science, Embase, EBSCO, Cochrane Central Register of Controlled trials, ClinicalTrials.gov, Clinical Trials Registry-India and OpenGrey. Inclusion: Randomized clinical trials and single-arm prospective studies evaluating the treatment outcomes of REP in mature permanent teeth. Exclusion: Incomplete trials/studies, in vitro studies, animal studies, case reports/series, conference proceedings. Cochrane ROB2.0 and ROBINS-I tools were used to assess the risk of bias. Risk difference (R.D.) between NSET and REP was determined by meta-analysis of the randomized clinical trials. The overall success rate of REP was calculated using data from both randomized clinical trials and single-arm prospective studies. Sensitivity analysis and subgroup analysis were performed. Results: Ten studies (n = 552) were included. R.D between REP and NSET was 0.032 (95% C.I: 0.023–0.087; P = 0.258). Overall success rate of REP was 96.0% (95% confidence interval: 94%–98%). No significant difference was found in sensitivity analysis (P = 0.551), or any of the subgroup analysis (P > 0.05). Discussion: A limited number of randomized clinical trials were available, and only two of them had a low risk of bias. Consistent results were obtained in both types of included studies. Conclusion: Based on a limited number of comparative studies, REP has a similar success rate to NSET in mature permanent teeth. Other: Funding: Nil. Registration: PROSPERO (CRD42020204882).
Collapse
|
20
|
El Halaby HM, Abu-Seida AM, Fawzy MI, Farid MH, Bastawy HA. Evaluation of the regenerative potential of dentin conditioning and naturally derived scaffold for necrotic immature permanent teeth in a dog model. Int J Exp Pathol 2020; 101:264-276. [PMID: 32985739 DOI: 10.1111/iep.12372] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Revised: 06/29/2020] [Accepted: 07/26/2020] [Indexed: 02/05/2023] Open
Abstract
This study evaluated the outcome of partial exposure of dentin matrix to ethylenediaminetetraacetic acid (EDTA) and application of platelet-rich fibrin (PRF) scaffold on regeneration of necrotic immature permanent teeth in a dog model. The present study was carried out on 216 permanent immature roots in nine mongrel dogs aged 6-9 months. Pulp necrosis and periapical pathosis were induced in 180 roots. These roots were divided into five equal groups (36 roots each) according to the treatment protocol: group I: blood clot; group II: 17% EDTA solution and blood clot; group III: PRF; group IV: 17% EDTA solution and PRF; and group V: without treatment (positive control). The negative control group (group VI) represented 36 untouched normal roots for normal maturation. The groups were followed up for 1, 2 and 3 months (subgroups). Maturation of the roots was monitored by radiography and histopathology. All data were statistically analysed. Group IV exhibited the highest increase in root length and thickness, decrease in apical diameter, the highest score of vital tissue infiltration and least inflammatory scores. There was a significant difference regarding the increase in root length and thickness and decrease in apical diameter in all subgroups of the experimental and negative control groups (P ≤ .05). PRF has a better regenerative potential than the blood clot during treatment of immature permanent teeth with necrotic pulp. Inclusion of 17% EDTA solution as a final irrigation enhances the regenerative potential of both PRF and blood clot.
Collapse
Affiliation(s)
- Hisham M El Halaby
- Department of Endodontics, Faculty of Dental Medicine, Assiut University, Assiut, Egypt
| | - Ashraf M Abu-Seida
- Department of Surgery, Anesthesiology and Radiology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Mervat I Fawzy
- Department of Endodontics, Faculty of Dental Medicine for Girls, Al-Azhar University, Cairo, Egypt
| | - Mona H Farid
- Department of Oral Biology, Faculty of Dental Medicine for Girls, Al-Azhar University, Cairo, Egypt
| | - Hagar A Bastawy
- Department of Endodontics, Faculty of Dental Medicine for Girls, Al-Azhar University, Cairo, Egypt.,Endodontic Department, Faculty of Dentistry, King Abdulaziz University (KAU), Jeddah, Saudi Arabia
| |
Collapse
|
21
|
Kumar S, Desai K, Palekar A, Biradar B, Chatterjee A, Kumari K. Comparison of the Efficacy of CanalBrush, EndoActivator, and Passive Ultrasonic Irrigation on the Removal of Triple Antibiotic Paste from Root Canal Walls: An In Vitro Study. J Int Soc Prev Community Dent 2020; 10:424-430. [PMID: 33042883 PMCID: PMC7523939 DOI: 10.4103/jispcd.jispcd_13_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Accepted: 04/12/2020] [Indexed: 11/17/2022] Open
Abstract
Aim: The aim of this study was to compare the efficacy of CanalBrush (CB), EndoActivator (EA), and Passive Ultrasonic Irrigation (PUI) on the removal of triple antibiotic paste (TAP) from root canal walls. Materials and Methods: Thirty-six extracted human single-rooted teeth were prepared using ProTaper Universal rotary files (DentsplyMaillefer, Ballaigues, Switzerland) up to size F5. The root canals were filled with TAP, and after 21 days, roots were randomly assigned to three groups (n = 10) according to irrigation regimens used: CB, EA, and PUI. In three teeth, TAP was not removed (positive controls), and the other three teeth were not filled with TAP (negative controls). The roots were sectioned, and the amount of TAP remaining was evaluated at the mesial halves of each tooth at ×30 magnification under a stereomicroscope using a 4-grade scoring system. Data were evaluated using the Kruskal–Wallis and Mann–Whitney U tests. Results: There were significant differences among the experimental groups according to the different parts of the root canals (P < 0.05). At the apical and middle third, EA and PUI groups removed more TAP than CB group; however, there was a statistically significant difference only between CB and PUI groups (<0.01 at apical third and <0.05 at middle third). At the coronal third, there was no statistically significant difference between all the three groups (P > 0.05). Conclusion: PUI led to superior results compared to CB in the middle and apical thirds. There was no significant difference between EA and PUI techniques.
Collapse
Affiliation(s)
- Santosh Kumar
- Department of Conservative Dentistry and Endodontics, Patna Dental College & Hospital, Patna, Bihar, India
| | - Kavisha Desai
- Department of Conservative Dentistry and Endodontics, Rural Dental College, Pravara Institute of Medical Sciences (PIMS), Loni, Maharashtra, India
| | - Aparna Palekar
- Department of Conservative Dentistry and Endodontics, Rural Dental College, Pravara Institute of Medical Sciences (PIMS), Loni, Maharashtra, India
| | - Baswaraj Biradar
- Department of Conservative Dentistry and Endodontics, Rural Dental College, Pravara Institute of Medical Sciences (PIMS), Loni, Maharashtra, India
| | - Ananjan Chatterjee
- Department of Oral Pathology, Buddha Institute of Dental Sciences & Hospital, Patna, Bihar, India
| | - Khushboo Kumari
- Department of Oral Pathology, Buddha Institute of Dental Sciences & Hospital, Patna, Bihar, India
| |
Collapse
|
22
|
Regenerative Endodontic Therapy in the Management of Immature Necrotic Permanent Dentition: A Systematic Review. ScientificWorldJournal 2020; 2020:7954357. [PMID: 32765197 PMCID: PMC7374232 DOI: 10.1155/2020/7954357] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 06/22/2020] [Accepted: 06/27/2020] [Indexed: 12/25/2022] Open
Abstract
Materials and Methods The electronic databases PubMed and Google Scholar were used to search the literature for relevant studies after applying specific inclusion and exclusion criteria. Studies that fulfilled both the inclusion and exclusion criteria were included in this systematic review. The search was conducted by two independent reviewers following the PRISMA guidelines. Results Only 46 studies that fulfilled both the inclusion and exclusion criteria, which were conducted within the last 10 years, were included in this systematic review. These studies investigated different aspects of regenerative endodontic therapy including different types of scaffolds, intracanal medications, pulpal space/barriers, root maturation stage, follow-up duration, and updated studies on their use in the management of immature necrotic permanent teeth. Conclusions This review concluded the compiled data observed that endodontic regenerative therapy was more efficient in treating immature necrotic permanent teeth and offered a greater advantage that should lead to wider acceptance among endodontists for effective results compared to different treatment options. However, more clinical trials with a standardized protocol and defined clinical, radiographic, and histopathological outcomes with longer follow-up periods are warranted.
Collapse
|
23
|
El-Tayeb MM, Abu-Seida AM, El Ashry SH, El-Hady SA. Evaluation of antibacterial activity of propolis on regenerative potential of necrotic immature permanent teeth in dogs. BMC Oral Health 2019; 19:174. [PMID: 31387578 PMCID: PMC6685241 DOI: 10.1186/s12903-019-0835-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2018] [Accepted: 06/27/2019] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND This study evaluated the antibacterial efficiency and ability of propolis to promote regeneration of immature permanent non-vital dogs' teeth. METHODS Ninety six immature permanent premolars teeth in 6 mongrel dogs were divided randomly into: experimental teeth (N = 72) and control teeth (N = 24). Periapical pathosis was induced in all experimental and positive control teeth. Experimental teeth were classified according to the used intra-canal medication into: group I (N = 36), propolis paste was used and group II (N = 36), triple antibiotic paste (TAP) was used. Bacteriologic samplings were collected before and after exposure to intra-canal medicaments. After the disinfection period (3 weeks), revascularization was induced in all experimental teeth. Each group was subdivided according to the root canal orifice plug into: subgroup A (N = 18), propolis paste was used and subgroup B (N = 18), mineral trioxide aggregates (MTA) was used. Each subgroup was further subdivided according to the evaluation period into 3 subdivisions (6 teeth each): subdivision 1; after 2 weeks, subdivision 2; after one month and subdivision 3; after 2 months. Positive control group had 12 teeth with induced untreated periapical pathosis. Negative control group had 12 untouched sound teeth. All teeth were evaluated with radiography and histology. The bacteriologic and radiographic data were analyzed using repeated measures ANOVA and post-hoc Tukey tests. The histologic data were analyzed using Kruskal-Wallis test, Mann-Whitney U test with Bonferroni's adjustment and Chi-square test. The significance level was set at P ≤ .05. RESULTS There was no significant difference in the antibacterial effectiveness between TAP and propolis groups (P > .05). In all subdivisions, there was no significant difference between the experimental groups in terms of increase in root length and dentin thickness, decrease in apical closure, new hard tissue formation, vital tissue formation inside the pulp canal and apical closure scores (P > .05). CONCLUSION Propolis can be comparable with TAP as a disinfection treatment option in regenerative endodontic. As a root canal orifice plug after revascularization of necrotic immature permanent teeth in dogs, propolis induces a progressive increase in root length and dentin thickness and a decrease in apical diameter similar to those of MTA.
Collapse
Affiliation(s)
- M. M. El-Tayeb
- Department of Endodontics, Faculty of Dentistry, Ain Shams University, Cairo, Egypt
| | - A. M. Abu-Seida
- Department of Surgery, Anesthesiology & Radiology, Faculty of Veterinary Medicine, Cairo University, Giza Square, Giza, PO: 12211 Egypt
| | - S. H. El Ashry
- Department of Endodontics, Faculty of Dentistry, Ain Shams University, Cairo, Egypt
| | - S. A. El-Hady
- Department of Microbiology & Immunology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| |
Collapse
|
24
|
Aly MM, Taha SEED, El Sayed MA, Youssef R, Omar HM. Clinical and radiographic evaluation of Biodentine and Mineral Trioxide Aggregate in revascularization of non-vital immature permanent anterior teeth (randomized clinical study). Int J Paediatr Dent 2019; 29:464-473. [PMID: 30702789 DOI: 10.1111/ipd.12474] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Revised: 12/12/2018] [Accepted: 01/24/2019] [Indexed: 12/13/2022]
Abstract
OBJECTIVE To asses clinically and radiographically the effect of using two types of coronal plug materials in revascularization of non-vital immature teeth. METHODS A total of 26 necrotic immature permanent anterior teeth were enrolled for pulp revascularization using a double antibiotic mix for root canal disinfection. They were randomly divided into the following based on coronal plug materials used: Biodentine (Group I) and white Mineral Trioxide Aggregate (Group II; n = 13). Clinical and radiographic assessments were performed after 3, 6, 9, and 12 months. RESULTS When comparing the overall clinical successes and percentage of increase in root length between the two groups, there was no statistically significant difference (P > 0.05). There was a significant difference in the distribution of discoloration between the two groups. One case was reported in Group I, and seven cases were reported in Group II (P = 0.01). CONCLUSIONS Both Biodentine and Mineral Trioxide Aggregate were successful clinically regarding the resolution of signs and symptoms associated with the necrotic teeth.
Collapse
Affiliation(s)
- Mariam Mohsen Aly
- Pediatric Dentistry and Dental Public Health, Faculty of Dentistry, Cairo University, Giza, Egypt
| | - Sherine Ezz El-Din Taha
- Pediatric Dentistry and Dental Public Health, Faculty of Dentistry, Cairo University, Giza, Egypt
| | - Manal Ahmed El Sayed
- Pediatric Dentistry and Dental Public Health, Faculty of Dentistry, Cairo University, Giza, Egypt
| | - Randa Youssef
- Pediatric Dentistry and Dental Public Health, Faculty of Dentistry, Cairo University, Giza, Egypt
| | | |
Collapse
|
25
|
Arslan H, Ahmed HMA, Şahin Y, Doğanay Yıldız E, Gündoğdu EC, Güven Y, Khalilov R. Regenerative Endodontic Procedures in Necrotic Mature Teeth with Periapical Radiolucencies: A Preliminary Randomized Clinical Study. J Endod 2019; 45:863-872. [DOI: 10.1016/j.joen.2019.04.005] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2018] [Revised: 02/26/2019] [Accepted: 04/09/2019] [Indexed: 01/10/2023]
|
26
|
Nosrat A, Kolahdouzan A, Khatibi AH, Verma P, Jamshidi D, Nevins AJ, Torabinejad M. Clinical, Radiographic, and Histologic Outcome of Regenerative Endodontic Treatment in Human Teeth Using a Novel Collagen-hydroxyapatite Scaffold. J Endod 2019; 45:136-143. [PMID: 30711168 DOI: 10.1016/j.joen.2018.10.012] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2018] [Revised: 10/20/2018] [Accepted: 10/24/2018] [Indexed: 10/27/2022]
Abstract
INTRODUCTION Histologic examination of teeth after regenerative endodontic treatment (RET) shows that the type, quality, and quantity of tissues formed in the root canal space are not predictable. The aim of this study was to examine clinically, radiographically, and histologically the outcome of RET in immature noninfected human teeth using SynOss Putty (Collagen Matrix Inc, Oakland, NJ) as a scaffold. METHODS Three pairs of maxillary/mandibular first premolars in 3 patients scheduled for extraction were included. Sensibility tests confirmed the presence of vital pulps. After informed consent, anesthesia, and rubber dam isolation, the pulps were removed. RET was performed using the following scaffolds: SynOss Putty + blood in both teeth in patient #1, SynOss Putty with or without blood in patient #2, and SynOss Putty + blood or blood only in patient #3. After a follow-up period of 2.5-7.5 months, the teeth were clinically and radiographically evaluated, extracted, and examined histologically. RESULTS Patients remained asymptomatic after treatment. Radiographic examination of the teeth showed signs of root development after treatment. In teeth treated with SynOss Putty + blood, histologic examination showed formation of intracanal mineralized tissue around the scaffold particles solidifying with newly formed cementumlike tissue on the dentinal walls. The tooth treated with SynOss Putty without blood showed the formation of a periapical lesion. The tooth treated with a blood clot only showed tissues of periodontal origin growing into the root canal space. CONCLUSIONS SynOss Putty + blood showed a predictable pattern of tissue formation and mineralization when used as a scaffold for RET in human immature noninfected teeth. The newly formed mineralized tissue solidifies with newly formed cementum on the dentinal walls.
Collapse
Affiliation(s)
- Ali Nosrat
- Iranian Center for Endodontic Research, Dental Research Center, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Division of Endodontics, Department of Advanced Oral Sciences and Therapeutics, School of Dentistry, University of Maryland, Baltimore, Maryland.
| | - Alireza Kolahdouzan
- Department of Endodontics, School of Dentistry, Ghazvin University of Medical Sciences, Ghazvin, Iran; Department of Endodontics, School of Dentistry, Shahed University of Medical Sciences, Tehran, Iran
| | | | - Prashant Verma
- Division of Endodontics, Department of Advanced Oral Sciences and Therapeutics, School of Dentistry, University of Maryland, Baltimore, Maryland
| | - Davoud Jamshidi
- Department of Endodontics, School of Dentistry, Ghazvin University of Medical Sciences, Ghazvin, Iran
| | | | - Mahmoud Torabinejad
- Torabinejad Institute of Surgical Education and Research Venues, Irvine, California
| |
Collapse
|
27
|
Faria G, Rodrigues EM, Coaguila-Llerena H, Gomes-Cornélio AL, Neto Angéloco RR, Swerts Pereira MS, Tanomaru Filho M. Influence of the Vehicle and Antibiotic Formulation on Cytotoxicity of Triple Antibiotic Paste. J Endod 2019; 44:1812-1816. [PMID: 30477667 DOI: 10.1016/j.joen.2018.09.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Revised: 09/05/2018] [Accepted: 09/10/2018] [Indexed: 12/19/2022]
Abstract
INTRODUCTION The aim of this study was to assess the influence of antibiotic formulations (tablet/capsule [TC] or United States Pharmacopeia [USP]-grade antibiotics) and vehicles (water [H2O] or macrogol + propylene glycol [MP]) on the cytotoxicity and pH of triple antibiotic pastes (TAPs). METHODS L929 fibroblasts were exposed to TAPs prepared with TC or USP-grade antibiotics mixed with H2O or MP for 72 hours. Each isolated antibiotic with each vehicle, each isolated vehicle, and the culture medium were used as controls. Cytotoxicity was evaluated by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide and neutral red assays. The pH was measured after 3 and 8 hours of immersion of the pastes in water. Data were analyzed using analysis of variance, the Bonferroni or Tukey posttests (α = 0.05), and the Pearson correlation test (α = 0.05). RESULTS The pastes prepared with TC were less cytotoxic than pastes prepared with USP-grade antibiotics (P < .05), and pastes with the MP vehicle were less cytotoxic than pastes with H2O (P < .05). TC TAP + MP showed the lowest cytotoxicity, whereas USP-grade TAP + H2O showed the highest cytotoxicity (P < .05). All TAPs showed a pH ranging from 4.64-5.20. Irrespective of the vehicle, USP-grade TAP showed a lower pH than TC TAP (P < .05). TAPs with H2O had a lower pH than TAPs with MP (P < .05). CONCLUSIONS The vehicle and the antibiotic formulations influenced the cytotoxicity and pH of TAP. The pastes prepared with TC and MP were less acidic and less cytotoxic than the type prepared with USP-grade antibiotics and H2O.
Collapse
Affiliation(s)
- Gisele Faria
- Department of Restorative Dentistry, Araraquara School of Dentistry, São Paulo State University-UNESP, Araraquara, São Paulo, Brazil.
| | - Elisandra Márcia Rodrigues
- Department of Restorative Dentistry, Araraquara School of Dentistry, São Paulo State University-UNESP, Araraquara, São Paulo, Brazil
| | - Hernán Coaguila-Llerena
- Department of Restorative Dentistry, Araraquara School of Dentistry, São Paulo State University-UNESP, Araraquara, São Paulo, Brazil
| | - Ana Lívia Gomes-Cornélio
- Department of Restorative Dentistry, Araraquara School of Dentistry, São Paulo State University-UNESP, Araraquara, São Paulo, Brazil
| | - Renan Rodrigues Neto Angéloco
- Department of Restorative Dentistry, Araraquara School of Dentistry, São Paulo State University-UNESP, Araraquara, São Paulo, Brazil
| | - Maristela Soares Swerts Pereira
- Department of Pediatric Dentistry, Alfenas School of Dentistry, Jose Rosario Vellano University-Unifenas, Alfenas, Minas Gerais, Brazil
| | - Mario Tanomaru Filho
- Department of Restorative Dentistry, Araraquara School of Dentistry, São Paulo State University-UNESP, Araraquara, São Paulo, Brazil
| |
Collapse
|
28
|
Sağlam BC, HAZAR E, Koçak S, Koçak MM. Efficacy of XP-Endo Finisher and Passive Ultrasonic Irrigation on Modified Triple Antibiotic Paste Removal. CUMHURIYET DENTAL JOURNAL 2019. [DOI: 10.7126/cumudj.490589] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
|
29
|
Shi R, Yang H, Lin X, Cao Y, Zhang C, Fan Z, Hou B. Analysis of the characteristics and expression profiles of coding and noncoding RNAs of human dental pulp stem cells in hypoxic conditions. Stem Cell Res Ther 2019; 10:89. [PMID: 30867055 PMCID: PMC6417198 DOI: 10.1186/s13287-019-1192-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 01/08/2019] [Accepted: 02/25/2019] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Human dental pulp stem cell (DPSC)-mediated regenerative endodontics is a promising therapy for damaged teeth; however, the hypoxic environment in root canals can affect tissue regeneration. In this study, we investigate the characteristics and possible regulatory mechanisms of DPSC function under hypoxic conditions. METHODS Human DPSCs were cultured under normoxia (20% O2) and hypoxia (3% O2). DPSC proliferation and osteo/odontogenic differentiation potential were assessed by Cell Counting Kit-8 (CCK8) assay, carboxyfluorescein succinimidyl ester (CFSE) assay, alkaline phosphatase (ALP) activity, Alizarin red staining, real-time RT-PCR assays, and western blot analysis. Microarray and bioinformatic analyses were performed to investigate the differences in the mRNA, lncRNA, and miRNA expression profiles of DPSCs. RESULTS DPSCs exhibited a more powerful proliferation ability and lower osteo/odontogenic differentiation potential in hypoxic conditions. A total of 60 mRNAs (25 upregulated and 35 downregulated), 47 lncRNAs (20 upregulated and 27 downregulated), and 14 miRNAs (7 upregulated and 7 downregulated) in DPSCs were differentially expressed in the hypoxia group compared with the normoxia group. Bioinformatic analysis identified that 7 mRNAs (GRPR, ERO1L, ANPEP, EPHX1, PGD, ANGPT1, and NQO1) and 5 lncRNAs (AF085958, AX750575, uc002czn.2, RP3-413H6.2, and six-twelve leukemia (STL)) may be associated with DPSCs during hypoxia according to CNC network analysis, while 28 mRNAs (including GYS1, PRKACB, and NQO1) and 13 miRNAs (including hsa-miR-3916 and hsa-miR-192-5p) may be involved according to miRNA target gene network analysis. The depletion of one candidate lncRNA, STL, inhibited the osteo/odontogenic differentiation potentials of DPSCs. CONCLUSIONS Our results revealed that hypoxia could enhance the proliferation ability and impair the osteo/odontogenic differentiation potential of DPSCs in vitro. Furthermore, our results identified candidate coding and noncoding RNAs that could be potential targets for improving DPSC function in regenerative endodontics and lead to a better understanding of the mechanisms of hypoxia's effects on DPSCs.
Collapse
Affiliation(s)
- Ruitang Shi
- Department of Endodontics, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing, China
| | - Haoqing Yang
- Laboratory of Molecular Signaling and Stem Cells Therapy, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing, China
| | - Xiao Lin
- Department of Implant Dentistry, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing, China
| | - Yangyang Cao
- Laboratory of Molecular Signaling and Stem Cells Therapy, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing, China
| | - Chen Zhang
- Laboratory of Molecular Signaling and Stem Cells Therapy, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing, China
| | - Zhipeng Fan
- Laboratory of Molecular Signaling and Stem Cells Therapy, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing, China.
| | - Benxiang Hou
- Department of Endodontics, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing, China.
| |
Collapse
|
30
|
Keskin C, Güler DH, Sarıyılmaz E. Effect of intracanal time of triple antibiotic paste on its removal from simulated immature roots using passive ultrasonic irrigation and XP-endo Finisher. J Dent Res Dent Clin Dent Prospects 2018; 12:288-293. [PMID: 30774796 PMCID: PMC6368951 DOI: 10.15171/joddd.2018.045] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2018] [Accepted: 12/09/2018] [Indexed: 12/02/2022] Open
Abstract
Background. The aim of this study was to evaluate the effectiveness of different irrigation techniques in the removal of triple antibiotic paste (TAP), which was applied for 7, 21 or 90 days, from simulated root canals of immature teeth.
Methods. The root canal spaces of 190 maxillary canine teeth were filled with TAP and randomly divided into a control and 3 experimental groups according to the intracanal medicament period (7, 21 or 90 days). Syringe irrigation (SI), passive ultrasonic irrigation (PUI) and XP-endo Finisher (XP) were used for the removal of TAP (n=20). The amount of remaining medicament was calculated under a stereomicroscope using a 4-grade scoring system. Kruskal-Wallis H and Wilcoxon signedrank tests were used for statistical analyses (P<0.05).
Results. The mean percentage of residual TAP was significantly greater in the SI group compared to PUI and XP at all the time intervals (P<0.05). Paste removal efficacy of PUI was not affected by the intracanal time of TAP (P>0.05), whereas the efficacy of SI and XP was significantly affected (P<0.05). No significant differences were detected between PUI and XP at 7- and 21-day intervals (P>0.05); however, at 90-day interval, PUI removed significantly greater amount of TAP than XP did (P<0.05).
Conclusion. The time of the TAP in the root canal negatively affected the removal efficacy of the SI and XP-Endo Finisher; however, it did not affect the efficacy of the PUI.
Collapse
Affiliation(s)
- Cangul Keskin
- Department of Endodontics, Faculty of Dentistry, Ondokuz Mayis University, Samsun, Turkey
| | - Duygu Hazal Güler
- Department of Endodontics, Faculty of Dentistry, Ondokuz Mayis University, Samsun, Turkey
| | - Evren Sarıyılmaz
- Department of Endodontics, Faculty of Dentistry, Ordu University, Ordu, Turkey
| |
Collapse
|
31
|
Fundaoğlu Küçükekenci F, Küçükekenci AS, Çakici F. Evaluation of the preventive efficacy of three dentin tubule occlusion methods against discoloration caused by triple-antibiotic paste. Odontology 2018; 107:186-189. [PMID: 30171400 DOI: 10.1007/s10266-018-0385-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2017] [Accepted: 08/25/2018] [Indexed: 11/30/2022]
Abstract
The aim of this in vitro study was to evaluate the preventive efficacy of three dentin tubule occlusion methods against discoloration caused by triple-antibiotic paste (TAP). Sixty extracted human incisors were sectioned, and the access was opened. The specimens were randomly allocated to the following four groups (n = 15): bonding application (BD), teethmate desensitizer (TM), Nd:YAG laser application (LS), and no surface treatment (control, C). Specimens were discolored with TAP over a period of 3 weeks. The color was measured by spectrophotometry at two time-points: initially and after 3 weeks of TAP placement. Color differences (∆E) were calculated and analyzed. Discoloration was visually noticed in all teeth after 3 weeks. The differences between the control group and the three dentin tubule occlusion methods were statistically significant (p < 0.05); however, there were no statistically significant differences among the BD, TM, and LS groups (p > 0.05).
Collapse
Affiliation(s)
| | | | - Fatih Çakici
- Department of Endodontics, Faculty of Dentistry, Ordu University, Ordu, Turkey
| |
Collapse
|
32
|
Spectrophotometric analysis of discoloration and internal bleaching after use of different antibiotic pastes. Clin Oral Investig 2018; 23:161-167. [PMID: 29654563 DOI: 10.1007/s00784-018-2422-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2017] [Accepted: 03/13/2018] [Indexed: 10/17/2022]
Abstract
OBJECTIVES To investigate teeth's antibiotic-induced color differences after bleaching using two different techniques. MATERIALS AND METHODS One hundred twenty extracted maxillar human incisors were examined. The specimens were randomly divided into six groups, each receiving one of six antibiotic paste fillings: (1) triple antibiotic paste (TAP) with minocycline, (2) double antibiotic paste (DAP), (3) TAP with amoxicillin, (4) TAP with cefaclor, (5) TAP with doxycycline, and (6) no filling (control group). Spectrophotometric measurements were obtained at baseline and then during the first, second, and third weeks after paste placement. The specimens discolored by antibiotics pastes were randomly divided into two subgroups: (1) internal bleaching with hydrogen peroxide (H2O2) and (2) internal bleaching with H2O2 plus Nd-YAG laser irradiation. The ∆E value was calculated and analyzed using a two-way analysis of variance and post-hoc Tukey's test (α = 0.05). RESULTS The ∆E for all groups showed color differences exceeding the perceptibility threshold (∆E ˃ 3.7) at all time points except in the control and DAP groups. Minocycline-induced TAP showed the most severe coronal discoloration (32.42). When the ∆E was examined, thermo/photo bleaching (22.01 ± 8.23) caused more bleaching than walking bleaching (19.73 ± 5.73) at every time point (P = 0.19). No group returned to the original color after bleaching (P < 0.05). CONCLUSIONS Except for DAP, all antibiotic pastes caused discoloration. Internal bleaching with Nd-YAG laser can be useful for bleaching/removing this discoloration. CLINICAL RELEVANCE For clinically successful final appearances, understanding the effects of bleaching procedures on antibiotic paste discoloration is important.
Collapse
|
33
|
Fahmy SH, Hassanien EES, Nagy MM, El Batouty KM, Mekhemar M, Fawzy El Sayed K, Hassanein EH, Wiltfang J, Dörfer C. Investigation of the regenerative potential of necrotic mature teeth following different revascularisation protocols. AUST ENDOD J 2017; 43:73-82. [DOI: 10.1111/aej.12210] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/25/2017] [Indexed: 01/09/2023]
Affiliation(s)
- Sarah Hossam Fahmy
- Endodontic Department; Faculty of Dentistry; Ain Shams University; Cairo Egypt
| | | | | | | | - Mohamed Mekhemar
- Universitatsklinikum Schleswig-Holstein; Christian-Albrechts University; Kiel Germany
| | - Karim Fawzy El Sayed
- Universitatsklinikum Schleswig-Holstein; Christian-Albrechts University; Kiel Germany
| | | | - Jörg Wiltfang
- Universitatsklinikum Schleswig-Holstein; Christian-Albrechts University; Kiel Germany
| | - Christof Dörfer
- Universitatsklinikum Schleswig-Holstein; Christian-Albrechts University; Kiel Germany
| |
Collapse
|
34
|
Altaii M, Richards L, Rossi-Fedele G. Histological assessment of regenerative endodontic treatment in animal studies with different scaffolds: A systematic review. Dent Traumatol 2017; 33:235-244. [PMID: 28342218 DOI: 10.1111/edt.12338] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/09/2017] [Indexed: 12/13/2022]
Abstract
BACKGROUND/AIM The concept of regenerative endodontic procedures remains controversial. The aim of this study was to evaluate the histology of the tissues formed in immature animal teeth with necrotic and infected pulps after attempted endodontic regeneration procedures using different scaffolds. DESIGN A systematic electronic literature search was performed in PubMed, Web of Science, Scopus, EMBASE, DOSS, and Cochrane Library databases. The terms used were a combination of the following: "immature permanent necrotic tooth or teeth" or "open apex or apices" and "regeneration or revitalization or revascularization" and "histology." The inclusion criteria comprised animal studies with histological examination following regenerative endodontics in immature necrotic-infected permanent teeth. RESULTS From 123 screened studies, 13 met the inclusion criteria. Formation of dentin-like tissue on the dentinal walls was reported in only 4% of teeth treated with blood clot scaffold and 2% treated with blood clot with additional materials. Cementum-like hard tissue was found in 64% of teeth with blood clot, 80% treated with blood clot with additional materials, 50% treated with alternative scaffolds, and 5% that were left empty. Bone-like tissue was reported in 10% of teeth treated with blood clot, 2% treated with blood clot with additional materials, and 4% treated with alternative scaffolds. The tissues in the canal space were found to be connective tissue with infiltration of fibroblast-like cells and blood vessels. Forty-six percent of the studies reported formation of periodontal ligament-like tissues. CONCLUSIONS None of the regeneration protocols resulted in the predictable formation of a true pulp-dentin complex.
Collapse
Affiliation(s)
- Milad Altaii
- School of Dentistry, The University of Adelaide, Adelaide, SA, Australia.,Department of Restorative Dentistry, College of Dentistry, Babylon University, Babel, Iraq
| | - Lindsay Richards
- School of Dentistry, The University of Adelaide, Adelaide, SA, Australia
| | | |
Collapse
|
35
|
Abstract
Regenerative endodontic treatment has yielded excellent clinical outcomes, but only several animal studies have shown the robust regeneration of the pulp-dentin complex. The biological molecules, if properly delivered, can enkindle regeneration of dental pulp and dentin rather than repair with tissues of periodontal origin. This review details the biological significance of regenerating the pulp-dentin complex, the effects of biological cues in pulp regeneration, and the delivery strategies of biological molecules to enhance the outcomes of regenerative endodontic therapy.
Collapse
Affiliation(s)
- Sahng G Kim
- Division of Endodontics, College of Dental Medicine, Columbia University, 630 West 168 Street, PH7Stem128, New York, NY 10032, USA.
| |
Collapse
|
36
|
Biological evaluation of a new pulp capping material developed from Portland cement. ACTA ACUST UNITED AC 2016; 69:115-122. [PMID: 27986375 DOI: 10.1016/j.etp.2016.12.006] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Revised: 11/27/2016] [Accepted: 12/09/2016] [Indexed: 02/05/2023]
Abstract
This study evaluates the biological properties of a new pulp capping material developed from Portland cement. This study was conducted on 48 teeth in 4 dogs (12 teeth/dog). The dogs were classified into two equal groups (n=24 teeth) according to the evaluation period including: group A (3 weeks) and group B (3 months). Each group was further subdivided into three equal subgroups (n=8 teeth) according to the capping material including: subgroup 1: mineral trioxide aggregate (MTA), subgroup2: Portland cement+10% calcium hydroxide+20% bismuth oxide (Port Cal) and subgroup 3: Portland cement+bismuth oxide. After general anesthesia, a class V buccal cavity was prepared coronal to the gingival margin. After pulp exposure and hemostasis,the capping materials and glass ionomer filling were placed on the exposure sites. All histopathological findings, inflammatory cell count and dentin bridge formation were recorded. Data were analyzed statistically. After 3 months, the histopathological picture of the pulp in subgroup 1 showed normal pulp, continuous odontoblastic layer and complete dentin bridge formation while subgroup 2 showed partial and complete dentin bridge over a normal and necrotic pulps. Subgroup 3 showed loss of normal architecture, areas of necrosis, complete, or incomplete dentin bridge formation, attached and detached pulp stones and fatty degeneration in group B. For group A, MTA subgroup showed the least number of inflammatory cell infiltrate followed by Port Cal subgroup. While subgroup 3 showed the highest number of inflammatory cell infiltrate. For group B, the mean inflammatory cell count increased with the three tested materials with no statistical difference. Regarding dentin bridge formation at group A, no significant differences was found between subgroups, while at group B, MTA subgroup exhibited significantly higher scores than other subgroups. In conclusion, addition of calcium hydroxide to Portland cement improves the dentin bridge formation qualitatively and quantitatively.
Collapse
|
37
|
Verma P, Nosrat A, Kim J, Price J, Wang P, Bair E, Xu H, Fouad A. Effect of Residual Bacteria on the Outcome of Pulp Regeneration In Vivo. J Dent Res 2016; 96:100-106. [DOI: 10.1177/0022034516671499] [Citation(s) in RCA: 99] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Affiliation(s)
- P. Verma
- Department of Endodontics, Periodontics, and Prosthodontics, School of Dentistry, University of Maryland Baltimore, Baltimore, MD, USA
| | - A. Nosrat
- Department of Endodontics, Periodontics, and Prosthodontics, School of Dentistry, University of Maryland Baltimore, Baltimore, MD, USA
| | - J.R. Kim
- Department of Endodontics, Temple University, Philadelphia, PA, USA
| | - J.B. Price
- Department of Oncology and Diagnostic Sciences, School of Dentistry, University of Maryland Baltimore, Baltimore, MD, USA
| | - P. Wang
- Department of Endodontics, Periodontics, and Prosthodontics, School of Dentistry, University of Maryland Baltimore, Baltimore, MD, USA
| | - E. Bair
- Department of Endodontics, School of Dentistry, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - H.H. Xu
- Department of Endodontics, Periodontics, and Prosthodontics, School of Dentistry, University of Maryland Baltimore, Baltimore, MD, USA
| | - A.F. Fouad
- Department of Endodontics, School of Dentistry, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| |
Collapse
|
38
|
Yoo YJ, Oh JH, Lee W, Woo KM. Regenerative Characteristics of Apical Papilla-derived Cells from Immature Teeth with Pulpal and Periapical Pathosis. J Endod 2016; 42:1626-1632. [PMID: 27639638 DOI: 10.1016/j.joen.2016.08.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2016] [Revised: 07/19/2016] [Accepted: 08/07/2016] [Indexed: 01/04/2023]
Abstract
INTRODUCTION The purpose of this study was to ascertain the regenerative characteristics of apical papilla-derived cells (APDCs) from immature teeth with pulpal and periapical pathosis and thus to provide proof-of-principle evidence for further regenerative endodontic research. METHODS Pulpal and periapical pathosis was induced in immature permanent double-rooted premolars of beagles, which were randomly assigned to experimental treatment groups: group AO (n = 14), pulp disruption and access left open; group PS (n = 14), supragingival plaque suspension-soaked cotton pellet was introduced, and access was sealed; and control (n = 7), untreated. The teeth were extracted at 2- and 4-week periods after experimental treatments. APDCs were cultured from the extracted teeth, and their cellular proliferation, differentiation characteristics, and stemness were assessed. The data were statistically analyzed. RESULTS After 4 weeks of intentional pulpal and periapical pathosis induction period, all teeth in group PS showed features of apical periodontitis with necrotic pulp, and their APDCs showed significantly increased proliferation rate and osteogenic/odontogenic differentiation capabilities (P < .05). The stemness was maintained in all APDCs, although the stem cell population was smaller in group PS at 2-week period when the inflammatory responses were most fulminant (P < .05). CONCLUSIONS The APDCs from immature teeth retained the regenerative characteristics with the differences according to their pulpal and periapical pathosis. The results of this study partly provide the evidence for regenerative endodontic research.
Collapse
Affiliation(s)
- Yeon-Jee Yoo
- Department of Conservative Dentistry, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, Republic of Korea
| | - Joung-Hwan Oh
- Department of Molecular Genetics, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, Republic of Korea; Department of BK21 Plus Program, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, Republic of Korea
| | - WooCheol Lee
- Department of Conservative Dentistry, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, Republic of Korea
| | - Kyung Mi Woo
- Department of Molecular Genetics, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, Republic of Korea; Department of BK21 Plus Program, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, Republic of Korea; Department of Pharmacology and Dental Therapeutics, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, Republic of Korea.
| |
Collapse
|
39
|
|
40
|
Bayram HM, Bayram E, Kul E, Göktürk H. Effect of intracanal medicament on bond strength of fibre posts. BIOTECHNOL BIOTEC EQ 2016. [DOI: 10.1080/13102818.2016.1178599] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Affiliation(s)
- Huda Melike Bayram
- Faculty of Dentistry, Department of Endodontics, Gaziosmanpaşa University, Tokat, Turkey
| | - Emre Bayram
- Faculty of Dentistry, Department of Endodontics, Gaziosmanpaşa University, Tokat, Turkey
| | - Esra Kul
- Faculty of Dentistry, Department of Prosthodontics, Atatürk University, Erzurum, Turkey
| | - Hakan Göktürk
- Faculty of Dentistry, Department of Endodontics, Gaziosmanpaşa University, Tokat, Turkey
| |
Collapse
|
41
|
Negm A, Hassanien E, Abu-Seida A, Nagy M. Physical evaluation of a new pulp capping material developed from portland cement. J Clin Exp Dent 2016; 8:e278-83. [PMID: 27398178 PMCID: PMC4930637 DOI: 10.4317/jced.52748] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2015] [Accepted: 01/13/2016] [Indexed: 02/05/2023] Open
Abstract
Background This study examined the effects of addition of 10% and 25% by weight calcium hydroxide on the physicochemical properties of Portland cement associated with 20% bismuth oxide in order to develop a new pulp capping material. Material and Methods The solubility, pH value, setting time, compressive strength, and push out bond strength of modified Portland were evaluated and compared to those of mineral trioxide aggregate (MTA) and Portland cement containing 20% bismuth oxide. Results The statistical analysis was performed with ANOVA and Duncan’s post-hoc test. The results show that the strength properties and push out bond strength of Portland cement were adversely affected by addition of calcium hydroxide especially with a ratio of 25 wt%, however, the setting time and pH were not affected. MTA showed a statistically significant lower setting time than other cements (P≤0.001). Portland cement with bismuth oxide and Port Cal I showed a statistically significant higher Push out Bond strength than MTA and Port Cal II (P=0.001). Conclusions Taking the setting time, push out bond strength and pH value into account, addition of 10 wt% calcium hydroxide to Portland cement associated with 20% bismuth oxide produces a new pulp capping material with acceptable physical and adhesive properties. Further studies are recommended to test this cement biologically as a new pulp capping material. Key words:Calcium hydroxide, MTA, Portland cement, setting time, solubility, strength.
Collapse
Affiliation(s)
- Ahmed Negm
- MSc. Assistant lecturer october 6 university, 3 mohamed kamel morsy dokki, Giza Egypt
| | - Ehab Hassanien
- PhD, Professor of Endodontics. Department of Endodontics. Faculty of Dentistry. Ain Shams University. Cairo. Egypt
| | - Ashraf Abu-Seida
- PhD, Professor. Department of Surgery, Anesthesiology and Radiology, Faculty of Veterinary Medicine, Cairo University, Giza-Egypt
| | - Mohamed Nagy
- PhD, Lecturer of Endodontics. Department of Endodontics. Faculty of Dentistry. Ain Shams University. Cairo. Egypt
| |
Collapse
|
42
|
Clinical Perspective of Electrospun Nanofibers as a Drug Delivery Strategy for Regenerative Endodontics. ACTA ACUST UNITED AC 2016. [DOI: 10.1007/s40496-016-0103-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
|
43
|
Tawfik HE, Abu-Seida AM, Hashem AA, El-Khawlani MM. Treatment of experimental furcation perforations with mineral trioxide aggregate, platelet rich plasma or platelet rich fibrin in dogs’ teeth. ACTA ACUST UNITED AC 2016; 68:321-7. [PMID: 27033179 DOI: 10.1016/j.etp.2016.03.004] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2016] [Revised: 03/16/2016] [Accepted: 03/23/2016] [Indexed: 02/08/2023]
|
44
|
Altaii M, Cathro P, Broberg M, Richards L. Endodontic regeneration and tooth revitalization in immature infected sheep teeth. Int Endod J 2016; 50:480-491. [DOI: 10.1111/iej.12645] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2015] [Accepted: 04/06/2016] [Indexed: 01/13/2023]
Affiliation(s)
- M. Altaii
- School of Dentistry; University of Adelaide; Adelaide SA Australia
| | - P. Cathro
- School of Dentistry; University of Adelaide; Adelaide SA Australia
| | - M. Broberg
- School of Dentistry; University of Adelaide; Adelaide SA Australia
| | - L. Richards
- School of Dentistry; University of Adelaide; Adelaide SA Australia
| |
Collapse
|
45
|
Endodontic drug delivery for root surface disinfection: a laboratory feasibility evaluation. Clin Oral Investig 2016; 20:607-13. [DOI: 10.1007/s00784-015-1538-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2015] [Accepted: 07/16/2015] [Indexed: 12/11/2022]
|
46
|
El Ashry SH, Abu-Seida AM, Bayoumi AA, Hashem AA. Regenerative potential of immature permanent non-vital teeth following different dentin surface treatments. ACTA ACUST UNITED AC 2015; 68:181-90. [PMID: 26683411 DOI: 10.1016/j.etp.2015.12.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2015] [Revised: 10/17/2015] [Accepted: 12/03/2015] [Indexed: 02/05/2023]
Abstract
This study evaluates the regenerative potential of immature permanent non-vital teeth following different dentin surface treatments in dogs. Periapical lesions and necrotic pulps were induced in 288 roots of 144 teeth in twelve dogs. Teeth were randomly divided into 3 equal groups according to the evaluation period. Each group was subdivided into 8 subgroups according to the treatment modalities including; blood clot, blood clot and collagen, blood clot and Ethylenediaminetetraacetic acid (EDTA), blood clot, collagen and EDTA, blood clot and Mixture Tetracycline Citric Acid and Detergent (MTAD), blood clot, collagen and MTAD, positive control and negative control. Apart from control subgroups, all infected root canals were cleaned with sodium hypochlorite solution and triple antibiotics paste before different treatment protocols. After different treatments, the root length, thickness and apical diameter were evaluated by radiographic examination. Histopathological examination was carried out to evaluate the inflammation, bone/root resorption, tissue in-growth in pulp space, new hard tissue formation and apical closure. Using EDTA solution as a surface modifier showed significantly higher levels of tissue in-growth in the pulp space after 6 weeks and 3 months. Addition of collagen as a scaffold caused significantly more bone/root resorption than the other subgroups while EDTA caused significantly lower inflammatory cell counts only after 2 weeks. Final rinse with 17% EDTA solution before blood clot induction has positive impact on tissue interaction along dentinal walls without modification of the cell type. Moreover, the use of collagen as a scaffold material and MTAD as a surface modifier did not improve the quality of the regenerative process.
Collapse
Affiliation(s)
- Salma H El Ashry
- Endodontic Department, Faculty of Dentistry, Ain Shams University, Cairo, Egypt
| | - Ashraf M Abu-Seida
- Department of Surgery, Anesthesiology & Radiology, Faculty of Veterinary Medicine, Cairo University, Giza P.O.: 12211, Egypt.
| | - Amr A Bayoumi
- Endodontic Department, Faculty of Dentistry, Ain Shams University, Cairo, Egypt
| | - Ahmed A Hashem
- Endodontic Department, Faculty of Dentistry, Ain Shams University, Cairo, Egypt
| |
Collapse
|
47
|
Ok E, Altunsoy M, Nur BG, Kalkan A. Effectiveness of different irrigation solutions on triple antibiotic paste removal from simulated immature root canal. SCANNING 2015; 37:409-413. [PMID: 26061777 DOI: 10.1002/sca.21229] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2015] [Accepted: 05/21/2015] [Indexed: 06/04/2023]
Abstract
To evaluate the effectiveness of different irrigation solutions and ultrasonic activation of irrigation solutions on removal of triple antibiotic paste (TAP) from root canals of the simulated immature teeth. Fifty single-rooted teeth were used. TAP was placed into each root canal, and specimens were stored in distilled water for 4 weeks at 37°C. After 4 weeks, the temporary coronal seal was removed and the samples were randomly divided into five groups as follows: (i) saline; (ii) ultrasonic activation of saline; (iii) NaOCl; (iv) ultrasonic activation of NaOCl; (v) chlorhexidine digluconate (CHX). The amount of remaining TAP on the canal walls was measured under stereomicroscope with 30× magnification. The data were analyzed using a one-way ANOVA and post-hoc Tukey test at a significance level of 0.05. There were statistically differences among CHX and ultrasonic activation of NaOCl and other groups (p < 0.05). There were no significant differences among the ultrasonic activation of saline, NaOCl, and saline groups (p > 0.05). Irrigation solutions and ultrasonic activation of the irrigation solutions could not completely remove the triple antibiotic paste from simulated immature root canals. Ultrasonic activation of the NaOCl gave the best and CHX was the worst results.
Collapse
Affiliation(s)
- Evren Ok
- Department of Endodontics, Faculty of Dentistry, Şifa University, Izmir, Turkey
| | - Mustafa Altunsoy
- Department of Pedodontics, Faculty of Dentistry, Şifa University, Izmir, Turkey
| | - Bilge Gülsüm Nur
- Department of Pedodontics, Faculty of Dentistry, Şifa University, Izmir, Turkey
| | - Abdussamed Kalkan
- Department of Endodontics, Faculty of Dentistry, Şifa University, Izmir, Turkey
| |
Collapse
|
48
|
Porter MLA, Münchow EA, Albuquerque MTP, Spolnik KJ, Hara AT, Bottino MC. Effects of Novel 3-dimensional Antibiotic-containing Electrospun Scaffolds on Dentin Discoloration. J Endod 2015; 42:106-12. [PMID: 26602451 DOI: 10.1016/j.joen.2015.09.013] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Revised: 09/17/2015] [Accepted: 09/19/2015] [Indexed: 11/17/2022]
Abstract
INTRODUCTION Although intracanal application of the triple antibiotic paste (TAP) may offer advantages (eg, disinfection), this practice has been associated with significant drawbacks, including tooth discoloration. In this study, the color change of dentin was monitored during treatment with distinct TAP pastes and novel tubular-shaped 3-dimensional electrospun scaffolds containing minocycline (MINO) or doxycycline (DOX). METHODS Two TAP pastes (TAPMINO [MINO, metronidazole, and ciprofloxacin] and TAPDOX [DOX, metronidazole, and ciprofloxacin]), 4 scaffold-based groups containing MINO or DOX at distinct concentrations, 1 antibiotic-free scaffold, and 1 untreated group (control) were investigated. Human canines were sectioned at the cementoenamel junction and tubular-shaped scaffolds or paste were placed into the root canals and sealed. Color measurements (CIEL(*)a(*)b(*) parameters) were performed at baseline and after 1, 3, 7, 14, 21, and 28 days. Color changes were expressed as ΔE(*) values. In addition, scanning electron microscopy and energy-dispersive X-ray spectroscopy were also performed on the specimens after treatment. Data were analyzed using repeated measures analysis of variance (alpha = 0.05). RESULTS All antibiotic-containing groups led to greater discoloration than the antibiotic-free groups. A severe discoloration occurred after 1 day. At the end of the experiment, antibiotic-treated samples exhibited crusts/agglomerates over the dentin surface, which totally or partially obliterated the dentinal tubules. The presence of MINO resulted in a greater color change than DOX. CONCLUSIONS Scaffolds containing MINO or DOX produced similar color change to dentin when compared with their respective TAP systems, although DOX-related discoloration was less pronounced.
Collapse
Affiliation(s)
- Margaret Louise A Porter
- Department of Biomedical and Applied Sciences, Indiana University School of Dentistry, Indianapolis, Indiana; Department of Restorative Dentistry, Indiana University School of Dentistry, Indianapolis, Indiana
| | - Eliseu A Münchow
- Department of Biomedical and Applied Sciences, Indiana University School of Dentistry, Indianapolis, Indiana; Department of Operative Dentistry, Federal University of Pelotas, School of Dentistry, Pelotas, Rio Grande do Sul, Brazil
| | - Maria T P Albuquerque
- Department of Biomedical and Applied Sciences, Indiana University School of Dentistry, Indianapolis, Indiana; Universidade Estadual Paulista, São José dos Campos Dental School, São José dos Campos, São Paulo, Brazil
| | - Kenneth J Spolnik
- Department of Endodontics, Indiana University School of Dentistry, Indianapolis, Indiana
| | - Anderson T Hara
- Department of Cariology, Operative Dentistry and Dental Public Health, Indiana University School of Dentistry, Indianapolis, Indiana
| | - Marco C Bottino
- Department of Biomedical and Applied Sciences, Indiana University School of Dentistry, Indianapolis, Indiana.
| |
Collapse
|
49
|
Nosrat A, Kolahdouzan A, Hosseini F, Mehrizi EA, Verma P, Torabinejad M. Histologic Outcomes of Uninfected Human Immature Teeth Treated with Regenerative Endodontics: 2 Case Reports. J Endod 2015; 41:1725-9. [DOI: 10.1016/j.joen.2015.05.004] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2015] [Revised: 05/05/2015] [Accepted: 05/05/2015] [Indexed: 01/09/2023]
|
50
|
|