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Mahmoudi S, Iranmanesh P, Khazaei S, Jahromi MZ. Immediate and Delayed Post Space Preparations in Endodontically Treated Teeth: A Scoping Review. BMC Oral Health 2022; 22:625. [PMID: 36544179 PMCID: PMC9773456 DOI: 10.1186/s12903-022-02564-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 11/04/2022] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND The aim of the present review was to identify the effect of the post-space preparation (PSP) timing (immediate or delayed) on endodontically treated teeth. METHODS All studies in any language that compared the effect of immediate versus delayed PSP on the outcomes of an endodontically treated tooth were searched in PubMed, Scopus, Web of Science, Cochrane, ProQuest, WorldCat, and Google Scholar databases by two independent researchers until February 12, 2022. Studies assessing merely the immediate or delayed PSP were excluded. A descriptive analysis was performed to evaluate the study design and the characteristics of the included studies. RESULTS The initial search yielded 2612 records, of which 68 were included. Except for one randomized controlled trial, all were in vitro. The evaluated variables were apical/coronal microleakage (n = 48/n = 1), post-bond strength (n = 8), bacterial infiltration (n = 7), presence of voids (n = 3), apical extrusion and residual of filling material (n = 1), and post-operative pain (n = 1). The number of publications had steady growth per year and fast growth per decade. "Post-space preparation" was the most popular keywords. CONCLUSIONS The present review highlights the need for further investigations due to the various design of studies, controversial results, and an inadequate number of randomized controlled trials. TRIAL REGISTRATION Retrospectively registered. Open Science ( https://doi.org/10.17605/OSF.IO/2YTM6 ).
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Affiliation(s)
- Sadaf Mahmoudi
- grid.411757.10000 0004 1755 5416Department of Endodontics, School of Dentistry, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran
| | - Pedram Iranmanesh
- grid.411036.10000 0001 1498 685XDental Research Center and Department of Endodontics, Dental Research Institute, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Saber Khazaei
- grid.412112.50000 0001 2012 5829Department of Endodontics, School of Dentistry, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Maryam Zare Jahromi
- grid.411757.10000 0004 1755 5416Department of Endodontics, School of Dentistry, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran
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Hajihassani N, Mohammadi N, Karimi Kelayeh A, Aalaei S. Comparison of the effect of post space preparation time on the apical seal of two different sealers. BMC Oral Health 2022; 22:356. [PMID: 35978297 PMCID: PMC9387075 DOI: 10.1186/s12903-022-02367-z] [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: 07/04/2022] [Accepted: 08/02/2022] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND The present study compared the effect of post space preparation time on the apical seal of two different sealers. METHODS In the in vitro study, 94 central incisors were used. After the samples' root canal preparation, they were randomly assigned to four experimental groups (n = 21). The samples in groups 1 and 2 were obturated with AH Plus sealer, gutta-percha, and in groups 3 and 4 with Endoseal MTA bioceramic sealer and single cone technique. The post spaces in groups 1 and 3 were prepared immediately and in groups 2 and 4 with a delay. The samples were evaluated at 7-, 30-, and 90-day intervals for apical microleakage using the fluid filtration technique. The data were analyzed with SPSS 25, using three-way ANOVA and independent t-test. RESULTS The apical microleakage in groups 3 and 4, obturated with Endoseal MTA bioceramic sealer and prepared immediately and after a delay, respectively, was not significantly different between the interval times. In group 2, obturated with AH Plus sealer and prepared for post space with a delay, the apical microleakage was significantly less than all the other groups. Group 1, obturated with AH Plus sealer and prepared for post space immediately, exhibited the least microleakage after seven days, but its microleakage increased over time to reach the level of groups 3 and 4. CONCLUSION According to the results, the apical microleakage in the AH + sealer group and the delayed post-space preparation method, was significantly less than all the other groups over time.
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Affiliation(s)
- Neda Hajihassani
- grid.412606.70000 0004 0405 433XDepartment of Endodontics, Dental Caries Prevention Research Center, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Navid Mohammadi
- grid.412606.70000 0004 0405 433XChildren Growth Research Center, Research Institute for Prevention of Non-Communicable Diseases, Qazvin University of Medical Sciences, Qazvin, Iran ,Canada Optimax Access Consulting, Conquitlam, BC Canada
| | - Ahmad Karimi Kelayeh
- grid.412606.70000 0004 0405 433XStudent Research Committee, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Shima Aalaei
- grid.412606.70000 0004 0405 433XDepartment of Prosthodontics, Dental Caries Prevention Research Center, Qazvin University of Medical Sciences, Bahonar Blvd., Qazvin, Iran
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Al-Ashou WMO, Al-Shamaa RM, Hassan SS. Sealing Ability of Various Types of Root Canal Sealers at Different Levels of Remaining Gutta Percha After Post Space Preparation at Two Time Intervals. J Int Soc Prev Community Dent 2021; 11:721-728. [PMID: 35036382 PMCID: PMC8713492 DOI: 10.4103/jispcd.jispcd_178_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 10/11/2021] [Accepted: 09/16/2021] [Indexed: 11/30/2022] Open
Abstract
OBJECTIVE This study evaluated the apical sealing ability of various types of sealers (Sure-Seal Root, AH Plus, and GuttaFlow2) at different levels of remaining gutta percha after post space preparation at two time intervals (1 day and 1 week after obturation). MATERIALS AND METHODS One hundred and two single canal mandibular premolars were decoronated at the cement-enamel junction and biomechanically prepared. Twelve samples served as negative and positive controls (n = 6). The remaining 90 samples were distributed into three groups (n = 30 each), based on the used sealer for obturation with gutta percha (Sure-Seal Root, AH Plus, GuttaFlow2). Each experimental group was divided into two subgroups (n = 15 each), subgroup I: post space prepared 1 day after obturation and subgroup II: post space prepared 1 week after obturation. For each subgroup, the post space was prepared to a length that remained 3, 4, or 5 mm of gutta percha apically for each of five samples. Then, the dye penetration technique was used to measure the apical microleakage. Data were analyzed using "ANOVA test" and "post hoc Duncan's test." RESULTS Sure-Seal Root sealer demonstrated the best apical seal compared with other tested sealers. Post space preparation 1 day after obturation exhibited less microleakage than the group with 1 week after obturation. Additionally, 5 mm of remaining gutta percha showed superior sealing value than 3 and 4 mm. CONCLUSION Bioceramic (Sure-Seal) sealer is the material of choice to be used when post space preparation is required. Post space preparation was preferred to be done 1 day after obturation than 1 week after obturation. Superlative apical seal was obtained with a maximum length of remaining gutta percha.
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Affiliation(s)
- Wiaam M O Al-Ashou
- Department of Conservative Dentistry, College of Dentistry, Mosul University, Mosul, Iraq,Address for correspondence: Dr. Wiaam M. O. Al-Ashou, Department of Conservative Dentistry, College of Dentistry, Mosul University, Mosul, Iraq. E-mail:
| | - Rasha M Al-Shamaa
- Department of Conservative Dentistry, College of Dentistry, Mosul University, Mosul, Iraq
| | - Shaymaa S Hassan
- Department of Conservative Dentistry, College of Dentistry, Mosul University, Mosul, Iraq
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Gujarathi NN, Mandlik J, Singh S, Chaubey S. Evaluation of apical leakage after immediate and delayed postspace preparation using different root canal sealers: An in vitro study. J Conserv Dent 2021; 24:174-178. [PMID: 34759585 PMCID: PMC8562832 DOI: 10.4103/jcd.jcd_79_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 03/02/2021] [Accepted: 05/23/2021] [Indexed: 10/25/2022] Open
Abstract
Background Endodontically treated teeth with extensive loss of tooth structure lacks sufficient support for a permanent restoration. While restoring them with post and core it is important not to disrupt the apical seal. Aim Evaluation of apical leakage after immediate and delayed postspace preparation using two root canal sealers. Materials and Methods Sixty single-rooted teeth were decoronated and roots were biomechanically prepared and obturated with gutta-percha and 2 sealers: AH Plus (Group A, n = 30) and Sure-Seal root canal sealer (Group B, n = 30). Groups A and B were subdivided into A1, A2 and B1, B2. Postspace was prepared immediately for A1 and B1. For A2 and B2 post space was prepared after storage in physiologic saline for 1 week. The samples were kept in Rhodamine B dye for 72 h and then sectioned longitudinally to observe dye penetration along the root canal wall under Stereomicroscope. The dye penetration was measured linearly and the values were subjected for statistical analysis using one-way analysis of variance and t-test. Results Statistically significant difference between Group A (1.00 mm) and B (2.71 mm) was observed (P < 0.001). However, the subgroups for immediate and delayed post space preparation did not show statistically significant difference (A1 = 0.947; A2 = 1.043; B1 = 2.306 and B2 = 3.120, P < 0.001). Conclusion AH plus sealer showed lesser leakage compared to Sure-Seal Root canal sealer. The difference in leakage values was not statistically significant in delayed and immediate post space preparation groups, Time of postspace preparation has no influence on apical leakage.
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Affiliation(s)
- Nirmitee Narendra Gujarathi
- Department of Conservative Dentistry and Endodontics, Bharati Vidyapeeth (Deemed to be University) Dental College and Hospital, Pune, Maharashtra, India
| | - Jyoti Mandlik
- Department of Conservative Dentistry and Endodontics, Bharati Vidyapeeth (Deemed to be University) Dental College and Hospital, Pune, Maharashtra, India
| | - Sarita Singh
- Department of Conservative Dentistry and Endodontics, Bharati Vidyapeeth (Deemed to be University) Dental College and Hospital, Pune, Maharashtra, India
| | - Shweta Chaubey
- Department of Conservative Dentistry and Endodontics, Bharati Vidyapeeth (Deemed to be University) Dental College and Hospital, Pune, Maharashtra, India
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Comparison between immediate and delayed post space preparations: a systematic review and meta-analysis. Clin Oral Investig 2021; 25:417-440. [PMID: 33417064 DOI: 10.1007/s00784-020-03690-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 11/10/2020] [Indexed: 10/22/2022]
Abstract
OBJECTIVES This systematic review and meta-analysis compared the effects of immediate and delayed post space preparation on apical sealing. MATERIALS AND METHOD Two independent authors conducted a systematic search (PubMed/Medline, Cochrane Library, and other databases, until February 2020) and a risk of bias evaluation. Only in vitro studies that compared the effects of immediate and delayed post space preparations on apical filling and adhesion of the post were eligible. RESULT Of the 742 articles retrieved, 32 were included. Most of the studies used single-rooted human teeth and rotary files for root canal preparation, a single-cone technique for the filling protocol, and rotary instruments for post space preparation. Various delayed preparation times were evaluated: 8-72 h, 5-30 days (mainly 7 days), and 4 months. In nine studies, the delayed groups showed more apical leakage, while four studies reported more leakage in the immediate groups; ten studies found no significant difference. One study found more bacterial penetration in the delayed group, whereas three studies showed no significant difference. One study reported more voids in the delayed group, while another found no such difference. Three studies showed better post-bond strength in the delayed group, one in the immediate group, whereas three found no significant difference in post-bond strength. Three studies employing varied sealers for root canal fillings were considered for meta-analysis. Two subgroup analyses were also performed (one concerning the use of resin-based sealers (AH Plus), another for zinc oxide-eugenol-based sealers). The results of the meta-analysis showed that a delayed post space preparation led to a significantly higher apical leakage than an immediate preparation (mean difference = 0.41 mm, confidence interval = 0.24-0.59, p < 0.001). CONCLUSION Delayed post space preparation seems to negatively influence apical sealing; however, further studies are needed to determine the influence of the timing of post space preparation on the other parameters. CLINICAL RELEVANCE Immediate post space preparation may be the safest clinical choice to prevent apical leakage.
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Rosatto CMPD, Oliveira LV, Ferraz DC, Soares PBF, Soares CJ, Moura CCG. Apical Displacement and Residual Root Canal Filling with Single-Cone After Post Space Preparation: A Micro-CT Analysis. Braz Dent J 2020; 31:25-31. [PMID: 32159701 DOI: 10.1590/0103-6440202002597] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Accepted: 10/11/2019] [Indexed: 12/31/2022] Open
Abstract
The purpose of this study was to evaluate the presence of residues after post space preparation (PSP) and establish whether the apical displacement of the gutta-percha was affected by the moments and methods of PSP in teeth filled by the single-cone technique. The root canals of 20 bovine incisor teeth were instrumented with Reciproc and filled with single-cone and AH Plus. The specimens were divided into 4 groups according to the moment and method of PSP (n=5): immediate with drill, immediate with thermoplasticizer, delayed with drill and delayed with thermoplasticizer. Micro-CT scans were performed before and after the PSP for residues of the root canal filling (1) and analysis of apical displacement (2). Data were analyzed by using 2-way repeated measurement ANOVA (1) and 2-way ANOVA (2) followed by the Tukey's test (a=0.05). Significance effect on the residues percentage remaining for methods (p=0.044), for moments (p=0.006), for thirds repetition (p<0.001), and for interaction between methods and thirds (p<0.001), and moments and thirds (p=0.044). Significance effect on the apical displacement of root canal filing was detected for methods (p=0.008), however no difference was found between moments (p=0.617). In general, PSP using drill resulted in more homogeneous root canal preparation, mainly when made immediately. For all other combinations between methods and moments for PSP, the middle and apical thirds presented significant higher residues remaining. Thermo method performed in both moments and the drill method performed immediately had displacement in the apical direction, representing extrusion of the root filling material.
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Affiliation(s)
- Camila Maria Peres de Rosatto
- Department of Endodontics, Dental School, Federal University of Uberlândia, UFU - Universidade Federal de Uberlândia, Uberlândia, MG, Brazil
| | - Lilian Vieira Oliveira
- Department of Endodontics, Dental School, Federal University of Uberlândia, UFU - Universidade Federal de Uberlândia, Uberlândia, MG, Brazil
| | - Danilo Cassiano Ferraz
- Department of Endodontics, Dental School, Federal University of Uberlândia, UFU - Universidade Federal de Uberlândia, Uberlândia, MG, Brazil
| | - Priscilla Barbosa Ferreira Soares
- Department of Periodontology and Implanotology, Dental School, Federal University of Uberlândia, UFU - Universidade Federal de Uberlândia, Uberlândia, MG, Brazil
| | - Carlos José Soares
- Department of Operative Dentistryand Dental Materials, Dental School, Federal University of UberlândiaUFU - Universidade Federal de Uberlândia, Uberlândia, MG, Brazil
| | - Camilla Christian Gomes Moura
- Department of Endodontics, Dental School, Federal University of Uberlândia, UFU - Universidade Federal de Uberlândia, Uberlândia, MG, Brazil
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Yuan X, Qu P, Fang J, Cai S, Fu S. Effect of Epidural Anesthesia on the Immune Function of Patients with Non-small Cell Lung Cancer. INT J PHARMACOL 2018. [DOI: 10.3923/ijp.2018.826.834] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Li Y, Liang W, Zhang J, Peng R. Association of Difference in Coronary Sinus Diameter by Computed Tomographic Angiography Between Patients in and Not in Stable Atherosclerotic Plaque(S). Med Sci Monit 2018; 24:3265-3273. [PMID: 29774887 PMCID: PMC5987609 DOI: 10.12659/msm.907934] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Background Pathological finding fail to describe the morphology of coronary arterial plaques. Retrograde cardiac arteriography is a complicated procedure and does not detect all left posterior and marginal veins of the heart. Magnetic resonance angiography has long scan time and low spatial resolution. The objective of the present study was to assess the possible utility of the difference in coronary sinus diameter to quantify stable atherosclerotic plaque(s) using 256-slice coronary computed tomographic angiography. Material/Methods A total of 336 patients were divided into 2 groups with 168 patients each. Patients who had heart failure were included in the study group and those who did not were included in the non-study group. Patients were subjected to cross-sectional study. Cardiovascular images were performed with 256-slice coronary computed tomographic angiography with a prospective electrocardiogram and clinical manifestation. Two-tailed paired t test following Dunnett’s multiple comparison tests was performed for the quantitative measurement of coronary computed tomographic angiography and clinical manifestation at 99% confidence level. Results The clinical manifestation did not clearly show cardiac abnormality. The diameters of the superoinferior coronary sinus ostium was than that of the anteroposterior coronary sinus ostium, (p<0.0001, q=26.325). There was the difference in size of the coronary sinus ostium between patients in and not in heart failure (p<0.0001). The study group patients had longer coronary sinuses than patients in the non-study group (p<0.0001). Conclusions 256-slice computed tomographic angiography is a feasible and is non-invasive bio-tool for evaluation of coronary artery anatomy.
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Affiliation(s)
- Yancui Li
- Department of Radiology, Beijing Luhe Hospital, Capital Medical University, Beijing, China (mainland)
| | - Wen Liang
- Department of Ultrasound, Beijing Luhe Hospital, Capital Medical University, Beijing, China (mainland)
| | - Jianchun Zhang
- Department of Cardiovascular, Beijing Luhe Hospital, Capital Medical University, Beijing, China (mainland)
| | - Ruchen Peng
- Department of Radiology, Beijing Luhe Hospital, Capital Medical University, Beijing, China (mainland)
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