1
|
Azangookhiavi H, Habibzadeh S, Zahmatkesh H, Mellati E, Mosaddad SA, Dadpour Y. The effect of platelet-rich fibrin (PRF) versus freeze-dried bone allograft (FDBA) used in alveolar ridge preservation on the peri-implant soft and hard tissues: a randomized clinical trial. BMC Oral Health 2024; 24:693. [PMID: 38877446 PMCID: PMC11179368 DOI: 10.1186/s12903-024-04478-1] [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: 04/20/2023] [Accepted: 06/12/2024] [Indexed: 06/16/2024] Open
Abstract
BACKGROUND The effectiveness of alveolar ridge preservation on bone regeneration and tissue healing has been thoroughly documented in the literature. This study aimed to evaluate the peri-implant soft and hard tissue changes after alveolar ridge preservation using either platelet-rich fibrin (PRF) or freeze-dried bone allograft (FDBA) over a 12-month period following the prosthetic loading of implants. METHODS In this randomized clinical trial, 40 individuals were recruited for alveolar ridge preservation using (1) FDBA or (2) PRF in incisal/premolar areas. At two follow-up sessions (six- and 12-months post-implant insertion), radiographic imaging and clinical examinations assessed marginal bone loss and soft tissue factors, including gingival recession and bleeding on probing. The differences between study groups were analyzed using Generalized estimating Equations, the Binary logistic regression model, and Cochran's Q test. RESULTS There was a statistically significant difference regarding gingival recession at both follow-up evaluations; values in the PRF group were considerably lower compared to the FDBA group (p < 0.05). The mean values for vertical marginal bone loss and bleeding on probing showed no significant differences between the two study groups (p > 0.05). CONCLUSIONS Except for gingival recession, applying PRF yielded comparable clinical results to FDBA after one year of implant loading and could be recommended as a potential biomaterial for alveolar ridge preservation following tooth extractions. CLINICAL TRIAL REGISTRATION The research protocol was registered in the Protocol Registration and Results System on 13/08/2021, available at https://clinicaltrials.gov/ (NCT05005377).
Collapse
Affiliation(s)
- Hassan Azangookhiavi
- Department of Prosthodontics, School of Dentistry, International Campus, Tehran University of Medical Sciences, Tehran, Iran
| | - Sareh Habibzadeh
- Department of Prosthodontics, School of Dentistry, International Campus, Tehran University of Medical Sciences, Tehran, Iran
- Dental Research Center, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Ehsan Mellati
- University of Sydney, Sydney, Australia
- Private Practice, Sydney, Australia
| | - Seyed Ali Mosaddad
- Department of Research Analytics, Saveetha Institute of Medical and Technical Sciences, Saveetha Dental College and Hospitals, Saveetha University, Chennai, India
- Department of Conservative Dentistry and Bucofacial Prosthesis, Faculty of Odontology, Complutense University of Madrid, Madrid, Spain
| | - Yalda Dadpour
- Department of Periodontics, International Campus, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran.
| |
Collapse
|
2
|
Sano T, Kuraji R, Miyashita Y, Yano K, Kawanabe D, Numabe Y. Biomaterials for Alveolar Ridge Preservation as a Preoperative Procedure for Implant Treatment: History and Current Evidence. Bioengineering (Basel) 2023; 10:1376. [PMID: 38135967 PMCID: PMC10740455 DOI: 10.3390/bioengineering10121376] [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: 10/27/2023] [Revised: 11/24/2023] [Accepted: 11/28/2023] [Indexed: 12/24/2023] Open
Abstract
In implant treatment, the reduction and structural changes in the alveolar ridge that occur after tooth extraction limit the length, width, and placement position of the implant body, impair esthetics, and, in some cases, make implant placement difficult. To solve these problems, an alveolar ridge preservation (ARP) technique, which is performed simultaneously with tooth extraction, generally aims to promote bone regeneration and prevent alveolar ridge reduction by filling the extraction socket with bone graft material and then covering it with a barrier membrane to protect against the invasion of epithelial tissue. The extraction socket provides a favorable environment for bone regeneration throughout the healing period because the blood supply is abundant, and it effectively retains the bone graft material by using the remaining bone wall of the socket. In recent years, advances in bioengineering technology have led to the development of graft materials with various biological properties, but there is currently no clear consensus regarding the selection of surgical techniques and materials depending on the condition of the alveolar ridge. This review will provide a comprehensive survey of the evidence accumulated to date on ARP, present many cases according to the clinical situation, and discuss various treatment options.
Collapse
Affiliation(s)
- Tetsuya Sano
- Department of Periodontology, The Nippon Dental University School of Life Dentistry at Tokyo, 1-9-20, Fujimi, Chiyoda-ku, Tokyo 1020071, Japan; (T.S.); (Y.M.); (Y.N.)
- Heartful Dental Clinic, 4-12-3, Mejirodai, Hachioji-shi, Tokyo 1930833, Japan
| | - Ryutaro Kuraji
- Department of Periodontology, The Nippon Dental University School of Life Dentistry at Tokyo, 1-9-20, Fujimi, Chiyoda-ku, Tokyo 1020071, Japan; (T.S.); (Y.M.); (Y.N.)
| | - Yukihiro Miyashita
- Department of Periodontology, The Nippon Dental University School of Life Dentistry at Tokyo, 1-9-20, Fujimi, Chiyoda-ku, Tokyo 1020071, Japan; (T.S.); (Y.M.); (Y.N.)
| | - Kosei Yano
- Lotus Dental Clinic, 3-13-11, Nishigotanda, Shinagawa-ku, Tokyo 1410031, Japan;
| | - Dai Kawanabe
- Kawanabe Dental Clinic, T Building 1F, 4-21-4, Nishikojiya, Ota-ku, Tokyo 1440034, Japan;
| | - Yukihiro Numabe
- Department of Periodontology, The Nippon Dental University School of Life Dentistry at Tokyo, 1-9-20, Fujimi, Chiyoda-ku, Tokyo 1020071, Japan; (T.S.); (Y.M.); (Y.N.)
| |
Collapse
|
3
|
Kresnoadi U, Sari N, Laksono H. Socket preservation using a combination of propolis extract and bovine bone graft towards the expression of receptor activator of nuclear κB ligand and osteoprogerin. Folia Med (Plovdiv) 2023; 65:737-743. [PMID: 38351755 DOI: 10.3897/folmed.65.e95802] [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: 09/29/2022] [Accepted: 03/07/2023] [Indexed: 02/16/2024] Open
Abstract
AIM This study was undertaken to comprehend the effect of a combination of bovine bone graft (BBG) and propolis extract on the receptor activator of nuclear κB ligand (RANKL) and osteoprotegerin (OPG) expressions in post-extraction tooth sockets.
Collapse
Affiliation(s)
| | - Nila Sari
- Universitas Airlangga, Surabaya, Indonesia
| | | |
Collapse
|
4
|
Sun Y, Xu C, Wang M, Wei L, Pieterse H, Wu Y, Liu Y. Radiographic and histological evaluation of bone formation induced by rhBMP-2-incorporated biomimetic calcium phosphate material in clinical alveolar sockets preservation. Int J Implant Dent 2023; 9:37. [PMID: 37843657 PMCID: PMC10579201 DOI: 10.1186/s40729-023-00491-1] [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: 06/24/2023] [Accepted: 08/25/2023] [Indexed: 10/17/2023] Open
Abstract
PURPOSE We assessed the efficiency of low-dose recombinant human bone morphogenetic protein-2 (rhBMP-2) incorporated biomimetic calcium phosphate on β-tricalcium phosphate (β-TCP) (rhBMP-2/BioCaP/β-TCP) on bone formation in a model of socket preservation using cone beam computed tomography (CBCT) scanning and histological examination. METHODS Forty patients undergoing minimally invasive single-root tooth extraction for dental implantation were randomized to three groups according to the material used for socket preservation: filling with rhBMP-2/BioCaP/β-TCP, β-TCP, or natural healing (kept unfilled) (controls). The alveolar sockets (including the control group) were covered by two-layer collagen membranes and sutured. Two CBCT scans were taken, one immediately after socket preservation procedure (baseline) and another 6 weeks later. Gray values (GVs) obtained from CBCT were recorded. During insertion of the dental implant, biopsies were taken and analyzed histologically for new bone formation, residual material, and unmineralized bone tissue at the core of the biopsy. RESULTS The mean (± standard deviation) changes of GVs of the CBCT scans at the central area of filled materials were as follows: 373.19 ± 157.16 in the rhBMP-2/BioCaP/β-TCP group, 112.26 ± 197.25 in the β-TCP group, and -257 ± 273.51 in the control group. The decrease of GVs in the rhBMP-2/BioCaP/β-TCP group as compared with the β-TCP group was statistically significant (P < 0.001). Differences in new bone formation (P = 0.006) were also found: 21,18% ± 7.62% in the rhBMP-2/BioCaP/β-TCP group, 13.44% ± 6.03% in the β-TCP group, and 9.49% ± 0.08% in controls. The residual material was10.04% ± 4.57% in the rhBMP-2/BioCaP/β-TCP group vs. 20.60% ± 9.54%) in the β-TCP group (P < 0.001). Differences in unmineralized bone tissue (P < 0.001) were also found (68.78% ± 7.67%, 65.96% ± 12.64%, and 90.38% ± 7.5% in the rhBMP-2/BioCaP/β-TC, β-TCP, and control groups, respectively). CONCLUSIONS This study shows that rhBMP-2/BioCaP/β-TCP is a promising bone substitute with fast degradation and potent pro-osteogenic capacity that can be useful for socket preservation in implant dentistry. TRIAL REGISTRATION ChiCTR, ChiCTR2000035263. Registered 5 August 2020, https://www.chictr.org.cn/ChiCTR2000035263 .
Collapse
Affiliation(s)
- Yuanyuan Sun
- Department of Oral Cell Biology, Academic Center for Dentistry Amsterdam (ACTA), Vrije Universiteit Amsterdam and University of Amsterdam, Gustav Mahlerlaan 3004, 1081 LA, Amsterdam, The Netherlands
- Department of Second Dental Center, Shanghai Ninth People's Hospital, School of Medicine, College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Chunfeng Xu
- Department of Oral Cell Biology, Academic Center for Dentistry Amsterdam (ACTA), Vrije Universiteit Amsterdam and University of Amsterdam, Gustav Mahlerlaan 3004, 1081 LA, Amsterdam, The Netherlands
| | - Mingjie Wang
- Department of Oral Cell Biology, Academic Center for Dentistry Amsterdam (ACTA), Vrije Universiteit Amsterdam and University of Amsterdam, Gustav Mahlerlaan 3004, 1081 LA, Amsterdam, The Netherlands
| | - Lingfei Wei
- Department of Oral Cell Biology, Academic Center for Dentistry Amsterdam (ACTA), Vrije Universiteit Amsterdam and University of Amsterdam, Gustav Mahlerlaan 3004, 1081 LA, Amsterdam, The Netherlands
- Department of Second Dental Center, Shanghai Ninth People's Hospital, School of Medicine, College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, China
- Department of Oral Implantology, Yantai Stomatological Hospital, Binzhou Medical University, Yantai, China
| | - Herman Pieterse
- Profess Medical Consultancy BV, Heerhugowaard, The Netherlands
| | - Yiqun Wu
- Department of Second Dental Center, Shanghai Ninth People's Hospital, School of Medicine, College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Yuelian Liu
- Department of Oral Cell Biology, Academic Center for Dentistry Amsterdam (ACTA), Vrije Universiteit Amsterdam and University of Amsterdam, Gustav Mahlerlaan 3004, 1081 LA, Amsterdam, The Netherlands.
| |
Collapse
|
5
|
Nagrani T, Kumar S, Haq MA, Dhanasekaran S, Gajjar S, Patel C, Sinha S, Haque M. Use of Injectable Platelet-Rich Fibrin Accompanied by Bone Graft in Socket Endurance: A Radiographic and Histological Study. Cureus 2023; 15:e46909. [PMID: 37841989 PMCID: PMC10569439 DOI: 10.7759/cureus.46909] [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] [Accepted: 10/12/2023] [Indexed: 10/17/2023] Open
Abstract
Background Ridge preservation became a crucial dental health issue and strategy to keep away from ridge defacement after post-tooth loss. The recent scientific evolution of platelet-rich fibrin (PRF) comprises a parenteral formulation of PRF. The combined allograft for socket preservation gives benefits. In this study, bone allografts, demineralized freeze-dried bone allografts (DFDBA) and freeze-dried bone allografts (FDBA) are used in a 30:70 ratio alone or in combination with injectable PRF (I-PRF) for socket preservation. Methods This study is a radiographic and histological examination conducted on 60 participants aged between 19-65 years. Participating patients agreed voluntarily that they would not bear any fixed prosthesis for the next nine months and plan for implanted teeth placement, including multi-rooted mandibular molars denticles. Both groups received atraumatic extraction; then, the socket was preserved with bone allograft alone in the control group and bone allograft mixed with I-PRF, forming sticky bone, in the experimental group. Clinical, radiological, and histological assessments were taken at the inception stage, three months, six months, and nine months. A multivariate regression model and a generalized estimating equation (GEE) model were used to analyse the effects of these changes on outcomes. Results In all the parameters, the test group indicated a good amount of bone growth with increasing intervals of time for bone height radiographically with statistically significant difference present (p<0.05) and histologically after nine months when socket site grafted with bone graft in combination with I-PRF. Conclusion This study's results demonstrated that I-PRF possesses the potential to regenerate and heal in the tooth-extracted socket. This study further recommends the implementation of I-PRF in safeguarding and conserving the raised rim of the tooth. Future research should take place on the osteogenic capability of I-PRF in more comprehensive ridge accession surgical procedures and additional expanding and improving capacities in periodontal reconstruction.
Collapse
Affiliation(s)
- Tanya Nagrani
- Periodontology, Karnavati School of Dentistry, Karnavati University, Gandhinagar, IND
| | - Santosh Kumar
- Periodontology and Implantology, Karnavati School of Dentistry, Karnavati University, Gandhinagar, IND
| | - Md Ahsanul Haq
- Bio-Statistics, Infectious Diseases Division, icddr, b, Dhaka, BGD
| | | | - Shreya Gajjar
- Periodontology, Karnavati School of Dentistry, Karnavati University, Gandhinagar, IND
| | - Chandni Patel
- Periodontology, Karnavati School of Dentistry, Karnavati University, Gandhinagar, IND
| | - Susmita Sinha
- Physiology, Khulna City Medical College and Hospital, Khulna, BGD
| | - Mainul Haque
- Karnavati Scientific Research Center (KSRC), Karnavati School of Dentistry, Karnavati University, Gandhinagar, IND
- Pharmacology and Therapeutics, National Defence University of Malaysia, Kuala Lumpur, MYS
| |
Collapse
|
6
|
Hu B, Gao J, Lu Y, Wang Y. Applications of Degradable Hydrogels in Novel Approaches to Disease Treatment and New Modes of Drug Delivery. Pharmaceutics 2023; 15:2370. [PMID: 37896132 PMCID: PMC10610366 DOI: 10.3390/pharmaceutics15102370] [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: 08/20/2023] [Revised: 09/03/2023] [Accepted: 09/07/2023] [Indexed: 10/29/2023] Open
Abstract
Hydrogels are particularly suitable materials for loading drug delivery agents; their high water content provides a biocompatible environment for most biomolecules, and their cross-linked nature protects the loaded agents from damage. During delivery, the delivered substance usually needs to be released gradually over time, which can be achieved by degradable cross-linked chains. In recent years, biodegradable hydrogels have become a promising technology in new methods of disease treatment and drug delivery methods due to their many advantageous properties. This review briefly discusses the degradation mechanisms of different types of biodegradable hydrogel systems and introduces the specific applications of degradable hydrogels in several new methods of disease treatment and drug delivery methods.
Collapse
Affiliation(s)
- Bo Hu
- Department of Medicinal Chemistry, College of Pharmaceutical Sciences, Capital Medical University, Beijing 100069, China; (B.H.); (J.G.)
- Beijing Area Major Laboratory of Peptide and Small Molecular Drugs, Engineering Research Center of Endogenous Prophylactic, Ministry of Education of China, Beijing Laboratory of Biomedical Materials, Beijing 100069, China
| | - Jinyuan Gao
- Department of Medicinal Chemistry, College of Pharmaceutical Sciences, Capital Medical University, Beijing 100069, China; (B.H.); (J.G.)
- Beijing Area Major Laboratory of Peptide and Small Molecular Drugs, Engineering Research Center of Endogenous Prophylactic, Ministry of Education of China, Beijing Laboratory of Biomedical Materials, Beijing 100069, China
| | - Yu Lu
- Department of Medicinal Chemistry, College of Pharmaceutical Sciences, Capital Medical University, Beijing 100069, China; (B.H.); (J.G.)
- Beijing Area Major Laboratory of Peptide and Small Molecular Drugs, Engineering Research Center of Endogenous Prophylactic, Ministry of Education of China, Beijing Laboratory of Biomedical Materials, Beijing 100069, China
- Laboratory for Clinical Medicine, Capital Medical University, Beijing 100069, China
| | - Yuji Wang
- Department of Medicinal Chemistry, College of Pharmaceutical Sciences, Capital Medical University, Beijing 100069, China; (B.H.); (J.G.)
- Beijing Area Major Laboratory of Peptide and Small Molecular Drugs, Engineering Research Center of Endogenous Prophylactic, Ministry of Education of China, Beijing Laboratory of Biomedical Materials, Beijing 100069, China
- Laboratory for Clinical Medicine, Capital Medical University, Beijing 100069, China
| |
Collapse
|
7
|
Al-Rawee RY, Tawfeeq BAG, Hamodat AM, Tawfek ZS. Consequence of Synthetic Bone Substitute Used for Alveolar Cleft Graft Reconstruction (Preliminary Clinical Study). Arch Plast Surg 2023; 50:478-487. [PMID: 37808326 PMCID: PMC10556338 DOI: 10.1055/a-2113-3084] [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: 04/28/2022] [Accepted: 06/15/2023] [Indexed: 10/10/2023] Open
Abstract
Background The outcome of alveolar grafting with synthetic bone substitute (Osteon III) in various bone defect volumes is highlighted. Methods A prospective study was accomplished on 55 patients (6-13 years of age) with unilateral alveolar bone cleft. Osteon III, consisting of hydroxyapatite and tricalcium phosphate, is used to reconstruct the defect. Alveolus defect diameter was calculated before surgery (V1), after 3 months (V2), and finally after 6 months (V3) postsurgery. In the t -test, a significant difference and correlation between V1, V2, and V3 are stated. A p- value of 0.01 is considered a significant difference between parameters. Results The degree of cleft is divided into three categories: small (9 cases), medium (20 patients), and large (26 cases).The bone volume of the clefted site is divided into three steps: volume 1: (mean 18.1091 mm 3 ); step 2: after 3 months, volume 2 resembles the amount of unhealed defect (mean 0.5109 mm 3 ); and the final bone volume assessment is made after 6 months (22.5455 mm 3 ). Both show statistically significant differences in bone volume formation. Conclusion An alloplastic bone substitute can also be used as a graft material because of its unlimited bone retrieval. Osteon III can be used to reconstruct the alveolar cleft smoothly and effectively.
Collapse
Affiliation(s)
- Rawaa Y. Al-Rawee
- Department of Oral and Maxillofacial Surgery, Al-Salam Teaching Hospital. Mosul, Iraq
| | | | | | - Zaid Salim Tawfek
- Paedo Ortho Prevention Department, Alnoor University College, Mosul, Iraq
| |
Collapse
|
8
|
El-Sioufi I, Oikonomou I, Koletsi D, Bobetsis YA, Madianos PN, Vassilopoulos S. Clinical evaluation of different alveolar ridge preservation techniques after tooth extraction: a randomized clinical trial. Clin Oral Investig 2023; 27:4471-4480. [PMID: 37227497 DOI: 10.1007/s00784-023-05068-1] [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: 03/29/2022] [Accepted: 05/07/2023] [Indexed: 05/26/2023]
Abstract
OBJECTIVE The aim of the present randomized controlled trial (RCT) was to evaluate the efficacy of different alveolar ridge preservation (ARP) techniques on dimensional alterations after tooth extraction, based on clinical measurements. BACKGROUND Alveolar ridge preservation (ARP) is a common procedure in every day clinical practice, when dental implants are involved in treatment planning. In ARP procedures, a bone grafting material is combined with a socket sealing (SS) material in order to compensate the alveolar ridge dimensional alterations after tooth extraction. Xenograft and allograft are the most frequently used bone grafts in ARP, while free gingival graft (FGG), collagen membrane, and collagen sponge (CS) usually applied as SS materials. The evidence comparing xenograft and allograft directly in ARP procedure is scarce. In addition, FGG is usually combined with xenograft as SS material, while the evidence combing allograft with FGG is absent. Moreover, CS could probably be an alternative choice in ARP as SS material, since it has been used in previous studies but more clinical trials are required to evaluate its effectiveness. MATERIALS AND METHODS Forty-one patients were randomly assigned in four treatment groups: (A) freeze-dried bone allograft (FDBA) covered with collagen sponge (CS), (B) FDBA covered with free gingival graft (FGG), (C) demineralized bovine bone mineral xenograft (DBBM) covered with FGG, and (D) FGG alone. Clinical measurements were performed immediately after tooth extraction and 4 months later. The related outcomes pertained to both vertical and horizontal assessment of bone loss. RESULTS Overall, groups A, B, and C presented significantly less vertical and horizontal bone resorption compared to group D. No statistically significant difference was observed between allograft and xenograft, except for the vertical bone resorption at the buccal central site, where xenograft showed marginally statistically significantly reduced bone loss compared to allograft (group C vs group B: adjusted β coef: 1.07 mm; 95%CI: 0.01, 2.10; p = 0.05). No significant differences were observed in hard tissue dimensions when CS and FGG were applied over FDBA. CONCLUSIONS No differences between FDBA and DBBM could practically be confirmed. In addition, CS and FGG were equally effective socket sealing materials when combined with FDBA, regarding bone resorption. More RCTs are needed to compare the histological differences between FDBA and DBBM and the effect of CS and FGG on soft tissue dimensional changes. CLINICAL RELEVANCE Xenograft and allograft were equally efficient in ARP 4 months after tooth extraction in horizontal level. Xenograft maintained the mid-buccal site of the socket marginally better than the allograft, in vertical level. FGG and CS were equally efficient as SS materials regarding the hard tissue dimensional alterations. TRIAL REGISTRATION Clinical trial registration Number: NCT04934813 (clinicaltrials.gov).
Collapse
Affiliation(s)
- Iosif El-Sioufi
- Department of Periodontology, School of Dentistry, National and Kapodistrian University of Athens, Athens, Greece.
| | - Ilias Oikonomou
- 251 Hellenic Air Force & VA General Hospital GR, Athens, Greece
| | - Despina Koletsi
- Clinic of Orthodontics and Pediatric Dentistry, Center of Dental Medicine, University of Zurich, Zurich, Switzerland
| | - Yiorgos A Bobetsis
- Department of Periodontology, School of Dentistry, National and Kapodistrian University of Athens, Athens, Greece
| | - Phoebus N Madianos
- Department of Periodontology, School of Dentistry, National and Kapodistrian University of Athens, Athens, Greece
| | - Spyridon Vassilopoulos
- Department of Periodontology, School of Dentistry, National and Kapodistrian University of Athens, Athens, Greece
| |
Collapse
|
9
|
Effect of ozone therapy on the modulation of inflammation and on new bone formation in critical defects of rat calvaria filled with autogenous graft. JOURNAL OF STOMATOLOGY, ORAL AND MAXILLOFACIAL SURGERY 2023; 124:101292. [PMID: 36150689 DOI: 10.1016/j.jormas.2022.09.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 09/19/2022] [Accepted: 09/19/2022] [Indexed: 12/19/2022]
Abstract
OBJECTIVE The aim of this study was to evaluate the effect of ozone therapy on new bone formation and inflammation modulation in defects of rat calvaria filled with autogenous bone. MATERIAL AND METHODS Critical size defects were created in the calvaria of 24 male Wistar rats. The animals were randomly divided into four groups according to the treatment: G1: clot; G2: clot and covered with xenogenic membrane; G3: particulate autogenous bone graft; G4: autogenous bone graft and application of 3 mL O2/O3 gas mixture (10 µg/ml). The defects were filled immediately after surgery with a bilateral retroauricular application, in the region immediately above the incision. After 21 days, the animals were euthanized, and the samples were processed for morphometric evaluations designed to measure both the intensity of the inflammatory infiltrate, and the presence of new bone formation in the defect. RESULTS The results showed a lower inflammation score and higher mean of newly formed bone in the region of the defect for the group associated with ozone therapy (G4). The bone formed in the region of the defect could be observed as being more lamellar and mineralized in the case of associated ozone therapy. CONCLUSION Ozone therapy represents a promising adjuvant therapy to accelerate tissue regeneration.
Collapse
|
10
|
Guillot-Ferriols M, Lanceros-Méndez S, Gómez Ribelles JL, Gallego Ferrer G. Electrical stimulation: Effective cue to direct osteogenic differentiation of mesenchymal stem cells? BIOMATERIALS ADVANCES 2022; 138:212918. [PMID: 35913228 DOI: 10.1016/j.bioadv.2022.212918] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 05/02/2022] [Accepted: 05/20/2022] [Indexed: 06/15/2023]
Abstract
Mesenchymal stem cells (MSCs) play a major role in bone tissue engineering (BTE) thanks to their capacity for osteogenic differentiation and being easily available. In vivo, MSCs are exposed to an electroactive microenvironment in the bone niche, which has piezoelectric properties. The correlation between the electrically active milieu and bone's ability to adapt to mechanical stress and self-regenerate has led to using electrical stimulation (ES) as physical cue to direct MSCs differentiation towards the osteogenic lineage in BTE. This review summarizes the different techniques to electrically stimulate MSCs to induce their osteoblastogenesis in vitro, including general electrical stimulation and substrate mediated stimulation by means of conductive or piezoelectric cell culture supports. Several aspects are covered, including stimulation parameters, treatment times and cell culture media to summarize the best conditions for inducing MSCs osteogenic commitment by electrical stimulation, from a critical point of view. Electrical stimulation activates different signaling pathways, including bone morphogenetic protein (BMP) Smad-dependent or independent, regulated by mitogen activated protein kinases (MAPK), extracellular signal-regulated kinases (ERK) and p38. The roles of voltage gate calcium channels (VGCC) and integrins are also highlighted according to their application technique and parameters, mainly converging in the expression of RUNX2, the master regulator of the osteogenic differentiation pathway. Despite the evident lack of homogeneity in the approaches used, the ever-increasing scientific evidence confirms ES potential as an osteoinductive cue, mimicking aspects of the in vivo microenvironment and moving one step forward to the translation of this approach into clinic.
Collapse
Affiliation(s)
- M Guillot-Ferriols
- Centre for Biomaterials and Tissue Engineering (CBIT), Universitat Politècnica de València, 46022 Valencia, Spain; Biomedical Research Networking Centre on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Valencia, Spain.
| | - S Lanceros-Méndez
- Centre of Physics of Minho and Porto Universities, Universidade do Minho, 4710-058 Braga, Portugal; BCMaterials, Basque Centre for Materials, Applications and Nanostructures, UPV/EHU Science Park, 48940 Leioa, Spain; IKERBASQUE, Basque Foundation for Science, 48009 Bilbao, Spain
| | - J L Gómez Ribelles
- Centre for Biomaterials and Tissue Engineering (CBIT), Universitat Politècnica de València, 46022 Valencia, Spain; Biomedical Research Networking Centre on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Valencia, Spain
| | - G Gallego Ferrer
- Centre for Biomaterials and Tissue Engineering (CBIT), Universitat Politècnica de València, 46022 Valencia, Spain; Biomedical Research Networking Centre on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Valencia, Spain
| |
Collapse
|
11
|
Hu L, Xiang S, Liu J, Ye L, Cao Z, Pan J. Combigraft versus Bio‐Oss/Bio‐Gide in alveolar ridge preservation: A prospective randomized controlled trial. ORAL SURGERY 2022. [DOI: 10.1111/ors.12687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Liru Hu
- State Key laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Oral and Maxillofacial Surgery West China Hospital of Stomatology Sichuan University Chengdu China
| | - Sijie Xiang
- State Key laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Oral and Maxillofacial Surgery West China Hospital of Stomatology Sichuan University Chengdu China
| | - Jiyuan Liu
- State Key laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Oral and Maxillofacial Surgery West China Hospital of Stomatology Sichuan University Chengdu China
| | - Li Ye
- State Key laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Oral and Maxillofacial Surgery West China Hospital of Stomatology Sichuan University Chengdu China
| | - Zhiwei Cao
- State Key laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Oral and Maxillofacial Surgery West China Hospital of Stomatology Sichuan University Chengdu China
| | - Jian Pan
- State Key laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Oral and Maxillofacial Surgery West China Hospital of Stomatology Sichuan University Chengdu China
| |
Collapse
|
12
|
Brahma Prasad Chary NO, Raju MS, Suresh Sajjan MC, Gottumukkala SN, Manyam R. Comparison of quality of bone and insertion torque values of early implants placed at 6 and 8 weeks in sockets preserved with advanced platelet-rich fibrin: A randomized controlled trial. J Indian Prosthodont Soc 2021; 21:366-374. [PMID: 34810364 PMCID: PMC8617450 DOI: 10.4103/jips.jips_331_21] [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] [Indexed: 11/04/2022] Open
Abstract
Aim Successful functional and esthetic rehabilitation of edentulous jaws with implants depends on the optimal timing of placement, surgical protocol, materials used, cost-effectiveness, and satisfying patient needs. Increasing demand for shorter treatment times necessitates the immediate placement protocol. However, researchers have demonstrateda higher failure rate. A-PRF (Advanced platelet-rich fibrin) has exhibited accelerated bone regeneration potential. Early implant placement with a limited healing period, along with A-PRF, can be beneficial over conventional and immediate implant placement. Settings and Design This prospective randomized clinical trial aims to assess the outcome of early implant placement in sockets preserved using A-PRF at six weeks and eight weeks of post-extraction. Two groups of 10 participantseach were formed. All patients underwent atraumatic extraction and socket preservation using A-PRF. Materials and Methods A Partial-thickness pedicle graft was raised, and the extraction socket wasclosed. Implants wereplaced in at six and eight weeks of post-extraction in group A group B, respectively. The histomorphometric analysisassessedthe bone quality present at the timeof surgery. The insertion torque values were recorded during implant placement. Statistical Analysis Used The obtained data were statistically analyzed using parametric tests, namely independent T-test for intergroup comparison. Results T-test for torque values indicated a significantly higher torque value at eight weeks. The meanhistomorphometric value showeda significantly higher percentage of bone formation at eight weeks than at six weeks (P = 0.03). Conclusion Within the study's limitations, early implant placement in extraction sockets preserved with A-PRF had significantly higher insertion torque values and predictable bone at eight weeks compared to six weeks.
Collapse
Affiliation(s)
| | - M Satyanarayana Raju
- Department of Prosthodontics and Implantology, Vishnu Dental College, Bhimavaram, Andhra Pradesh, India
| | - M C Suresh Sajjan
- Department of Prosthodontics and Implantology, Vishnu Dental College, Bhimavaram, Andhra Pradesh, India
| | - Sruthima Nvs Gottumukkala
- Department of Periodontics and Implantology, Vishnu Dental College, Bhimavaram, Andhra Pradesh, India
| | - Ravikanth Manyam
- Department of Oral and Maxillofacial Pathology, Vishnu Dental College, Bhimavaram, Andhra Pradesh, India
| |
Collapse
|
13
|
Jones K, Williams C, Yuan T, Digeorge-Foushee AM, Chambers Wilson R, Burton T, Hamlin CN, Martinez L. Comparative in vitro study of commercially available products for alveolar ridge preservation. J Periodontol 2021; 93:403-411. [PMID: 34114665 DOI: 10.1002/jper.21-0087] [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: 02/10/2021] [Revised: 05/10/2021] [Accepted: 05/23/2021] [Indexed: 11/07/2022]
Abstract
BACKGROUND Ridge preservation is performed by placing a biocompatible product, following tooth extraction, to maintain bone volume. However, current ridge preservation therapies do not always maintain the volume required for future implant placement. Variations in surgical technique and material selection contribute to determining clinical outcomes. The wide variety of grafting materials available and conflicting efficacy reports make selecting the appropriate graft materials challenging. To investigate how different commercially available ridge preservation products might perform clinically: Helistat (collagen control) (Material 1), OsteoGen Plug (Material 2), Bio-Oss Collagen (Material 3), and J-Bone (native bone) (Material 4) were evaluated. METHODS These products underwent field emission scanning electron microscopy, microcomputed tomography, helium pycnometry, and infrared spectra analysis. Human osteosarcomas were incubated on products and proliferation was monitored with CCK-8 and visualized with confocal microscopy. Scaffold osteoconductivity was evaluated through the cellular production of proteins osteocalcin, osteonectin, and osteopontin. RESULTS Results indicated that products varied in porosity and pore interconnectivity. Although Material 3 was chemically similar to Material 4, Material 2 demonstrated significantly better biocompatibility. Functionally, Material 1 and Material 2 elicited higher osteonectin release than Material 3 and Material 4 which suggests the latter products suppress endogenous osteonectin secretion. Furthermore, osteopontin secretion was minimal for all products, while osteocalcin was elevated. This seems to suggest that high levels of mineralization might be deleterious for bone regeneration. CONCLUSIONS Although all products are marketed as effective preservation products, the results demonstrated high variability in physical, chemical, and biological effects; however, this study suggests a product with higher ratio of collagen to mineral component may have the most desirable effects for the use in alveolar ridge preservation.
Collapse
Affiliation(s)
- Kirstin Jones
- Naval Medical Research Unit San Antonio, JBSA, Fort Sam Houston, TX.,University of Texas at San Antonio, San Antonio, TX
| | - Cortes Williams
- Naval Medical Research Unit San Antonio, JBSA, Fort Sam Houston, TX
| | - Tony Yuan
- 59th Medical Wing Science and Technology, JBSA, Lackland, TX
| | - Ann Marie Digeorge-Foushee
- 59th Medical Wing Science and Technology, JBSA, Lackland, TX.,General Dynamics Information Technology, Reston, VA
| | | | - Tarea Burton
- Naval Medical Research Unit San Antonio, JBSA, Fort Sam Houston, TX
| | | | - Luis Martinez
- Naval Medical Research Unit San Antonio, JBSA, Fort Sam Houston, TX
| |
Collapse
|
14
|
Wang R, Liu W, Guo H, Ge S, Huang H, Yang P. Alveolar ridge preservation with fibroblast growth factor-2 modified acellular dermal matrix membrane and a bovine-derived xenograft: An experimental in vivo study. Clin Oral Implants Res 2021; 32:808-817. [PMID: 33756026 DOI: 10.1111/clr.13749] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 02/18/2021] [Accepted: 02/25/2021] [Indexed: 11/28/2022]
Abstract
OBJECTIVE To investigate the effect of a bone substitute material combined with fibroblast growth factor-2 (FGF-2) loaded barrier membrane on the preservation of alveolar ridge after tooth extraction. MATERIAL AND METHODS Four dogs were included. Six extraction sockets of each animal received the 3 treatments and were randomly divided into three groups. Group A: negative control; Group B: bovine xenografts + membrane; and Group C: bovine xenografts + FGF-2-loaded membrane. CBCT and histological analysis were performed to evaluate changes in the width and height of alveolar ridges and extraction socket bone healing 8 weeks post-extraction. RESULTS CBCT showed that the alveolar bone in Group A was significantly thinner than that in Group B and Group C at 1 and 3 mm apically from the alveolar crest. The alveolar width at 1 mm in Group C (60.99 ± 15.36%) was significantly thicker than that in Group B (39.75 ± 30.18%). Histomorphmetrical measurements showed that the buccal alveolar width at 1 mm was significantly thicker in Groups B and C than in Group A. Additionally, buccal bone height and lingual bone width at 1 mm in Group C (87.06 ± 10.34%, 89.09 ± 10.56%) were significantly greater than in Group A (53.48 ± 23.94%, 82.72 ± 12.59%). CONCLUSION The present findings indicate that application of bovine bone combined with barrier membrane with or without FGF-2 over tooth sockets can effectively reduce ridge absorption, especially in terms of ridge width and FGF-2 modified membrane seems to improve the outcomes obtained with membrane alone.
Collapse
Affiliation(s)
- Ruolin Wang
- Department of Periodontology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, China.,Department of Periodontology and Diseases of Oral Mucosa, Jinan Stomatological Hospital, Jinan, China
| | - Wenhua Liu
- Department of Stomatology, Mianyang Central Hospital, Mianyang, China
| | - Hongmei Guo
- Department of Periodontology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, China
| | - Shaohua Ge
- Department of Periodontology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, China
| | - Haiyun Huang
- Department of Implantology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University Jinan, Shandong, China
| | - Pishan Yang
- Department of Periodontology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, China
| |
Collapse
|
15
|
Pan Y, Zhao Y, Kuang R, Liu H, Sun D, Mao T, Jiang K, Yang X, Watanabe N, Mayo KH, Lin Q, Li J. Injectable hydrogel-loaded nano-hydroxyapatite that improves bone regeneration and alveolar ridge promotion. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 116:111158. [DOI: 10.1016/j.msec.2020.111158] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Revised: 05/29/2020] [Accepted: 06/02/2020] [Indexed: 12/20/2022]
|
16
|
Iezzi G, Perrotti V, Piattelli A, D'Arcangelo C, Altieri F, Cassetta M. Split crest technique for implant treatment of agenesis of the upper lateral incisors: results of a randomized pilot histological and clinical study at 24-month follow-up. Braz Oral Res 2020; 34:e118. [PMID: 32901733 DOI: 10.1590/1807-3107bor-2020.vol34.0118] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2020] [Accepted: 07/10/2020] [Indexed: 11/22/2022] Open
Abstract
Agenesis of lateral incisors, besides the functional issues, represents a great esthetic drawback. The selection of an appropriate treatment is a complex decision, which should consider the stability of the clinical outcomes over time. The aim of the present study was a histological and clinical comparison of two-stage split crest technique (SCT), with bone chips alone or mixed with porcine bone in patients affected by unilateral and bilateral agenesis of the upper lateral incisors. Eleven patients were enrolled, and randomly assigned to receive a treatment with autologous bone chips (group 1) or autologous bone chips mixed 1:1 to porcine-derived xenogenic bone (group 2). After a 2-month healing period, implants were placed and biopsies harvested for histomorphometrical evaluation. Clinical assessment, according to ICOI PISA health scale, and radiographic marginal bone loss evaluation at 12- and 24-month follow-ups were conducted. The histomorphometry showed significantly greater new bone formation (p > 0.0229) in group 2. At 12- and 24-month follow-ups, all the evaluated implants, regardless of the group they were allocated, could be categorized as "success" in the ICOI Pisa Health Scale for Dental Implants, and did not show significant difference in crestal bone loss. To the best of our knowledge, these are the first histological and clinical outcomes indicating that the use of bone chips mixed 1:1 to porcine bone in SCT could be a promising technique for the rehabilitation of patients with agenesis of the upper lateral incisors, although studies with a larger number of patients and implants, and a longer follow up are needed.
Collapse
Affiliation(s)
- Giovanna Iezzi
- University of Chieti-Pescara Department of Medical, Oral and Biotechnological Sciences, Chieti, Italy
| | - Vittoria Perrotti
- University of Chieti-Pescara Department of Medical, Oral and Biotechnological Sciences, Chieti, Italy
| | - Adriano Piattelli
- University of Chieti-Pescara Department of Medical, Oral and Biotechnological Sciences, Chieti, Italy
| | - Camillo D'Arcangelo
- University of Chieti-Pescara Department of Medical, Oral and Biotechnological Sciences, Chieti, Italy
| | - Federica Altieri
- Sapienza University of Rome, Department of Oral and Maxillofacial Sciences, Rome, Italy
| | - Michele Cassetta
- Sapienza University of Rome, Department of Oral and Maxillofacial Sciences, Rome, Italy
| |
Collapse
|
17
|
Kloss FR, Offermanns V, Donkiewicz P, Kloss‐Brandstätter A. Customized allogeneic bone grafts for maxillary horizontal augmentation: A 5-year follow-up radiographic and histologic evaluation. Clin Case Rep 2020; 8:886-893. [PMID: 32477540 PMCID: PMC7250966 DOI: 10.1002/ccr3.2777] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Revised: 01/20/2020] [Accepted: 02/06/2020] [Indexed: 12/14/2022] Open
Abstract
We report the histological evaluation of an individualized allogeneic bone block 5 years after alveolar ridge augmentation. The biopsy showed a well-vascularized lamellar bone with fatty incorporations without any avital allograft remnants. The presence of osteocytes, lining cells, macrophages, and blood vessels indicated a healthy and vital bone tissue.
Collapse
Affiliation(s)
| | - Vincent Offermanns
- Department of Cranio‐, Maxillofacial and Oral SurgeryMedical University InnsbruckInnsbruckAustria
| | - Phil Donkiewicz
- Department of Oral Surgery and Dental Emergency CareFaculty of HealthSchool of Dentistry Witten/Herdecke UniversityWittenNorth Rhine‐WestphaliaGermany
| | | |
Collapse
|
18
|
Shahabipour F, Ashammakhi N, Oskuee RK, Bonakdar S, Hoffman T, Shokrgozar MA, Khademhosseini A. Key components of engineering vascularized 3-dimensional bioprinted bone constructs. Transl Res 2020; 216:57-76. [PMID: 31526771 DOI: 10.1016/j.trsl.2019.08.010] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2019] [Revised: 08/28/2019] [Accepted: 08/30/2019] [Indexed: 12/16/2022]
Abstract
Vascularization has a pivotal role in engineering successful tissue constructs. However, it remains a major hurdle of bone tissue engineering, especially in clinical applications for the treatment of large bone defects. Development of vascularized and clinically-relevant engineered bone substitutes with sufficient blood supply capable of maintaining implant viability and supporting subsequent host tissue integration remains a major challenge. Since only cells that are 100-200 µm from blood vessels can receive oxygen through diffusion, engineered constructs that are thicker than 400 µm face a challenging oxygenation problem. Following implantation in vivo, spontaneous ingrowth of capillaries in thick engineered constructs is too slow. Thus, it is critical to provide optimal conditions to support vascularization in engineered bone constructs. To achieve this, an in-depth understanding of the mechanisms of angiogenesis and bone development is required. In addition, it is also important to mimic the physiological milieu of native bone to fabricate more successful vascularized bone constructs. Numerous applications of engineered vascularization with cell-and/or microfabrication-based approaches seek to meet these aims. Three-dimensional (3D) printing promises to create patient-specific bone constructs in the future. In this review, we discuss the major components of fabricating vascularized 3D bioprinted bone constructs, analyze their related challenges, and highlight promising future trends.
Collapse
Affiliation(s)
- Fahimeh Shahabipour
- National cell bank of Iran, Pasteur Institute of Iran, Tehran, Iran; Center for Minimally Invasive Therapeutics (C-MIT), University of California, Los Angeles, Los Angeles, California; California NanoSystems Institute (CNSI), University of California, Los Angeles, Los Angeles, California; Department of Bioengineering, University of California, Los Angeles, Los Angeles, California
| | - Nureddin Ashammakhi
- Center for Minimally Invasive Therapeutics (C-MIT), University of California, Los Angeles, Los Angeles, California; California NanoSystems Institute (CNSI), University of California, Los Angeles, Los Angeles, California; Department of Bioengineering, University of California, Los Angeles, Los Angeles, California; Department of Radiological Sciences, University of California, Los Angeles, Los Angeles, California
| | - Reza K Oskuee
- Targeted Drug Delivery Research Center, Institute of Pharmaceutical Technology, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Shahin Bonakdar
- National cell bank of Iran, Pasteur Institute of Iran, Tehran, Iran
| | - Tyler Hoffman
- Center for Minimally Invasive Therapeutics (C-MIT), University of California, Los Angeles, Los Angeles, California; California NanoSystems Institute (CNSI), University of California, Los Angeles, Los Angeles, California; Department of Bioengineering, University of California, Los Angeles, Los Angeles, California
| | | | - Ali Khademhosseini
- Center for Minimally Invasive Therapeutics (C-MIT), University of California, Los Angeles, Los Angeles, California; California NanoSystems Institute (CNSI), University of California, Los Angeles, Los Angeles, California; Department of Bioengineering, University of California, Los Angeles, Los Angeles, California; Department of Radiological Sciences, University of California, Los Angeles, Los Angeles, California; Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, California.
| |
Collapse
|
19
|
Safety and Efficacy of a New Synthetic Material Based on Monetite, Silica Gel, PS-Wallastonite, and a Hydroxyapatite Calcium Deficient: A Randomized Comparative Clinic Trial. ACTA ACUST UNITED AC 2020; 56:medicina56020046. [PMID: 31972958 PMCID: PMC7073755 DOI: 10.3390/medicina56020046] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Revised: 01/16/2020] [Accepted: 01/17/2020] [Indexed: 02/07/2023]
Abstract
Background and Objectives: Maxillary bone defects related to post-extraction alveolar ridge resorption are usual. These defects may lead to failure in further surgical implant phases given the lack of bone volume to perform the dental implant. The objective of this clinical assay was to evaluate the safety and efficacy of an experimental synthetic bone substitute in the preservation of post-extraction maxillary alveoli. Materials and Methods: 33 voluntary patients who had at least one maxillary premolar tooth that was a candidate for exodontia (n = 39) and subsequent implant rehabilitation participated. The regenerated alveoli were monitored by means of periodic clinical examinations (days 9 ± 1, 21 ± 4, 42 ± 6, and 84 ± 6), measuring the height and width of the alveolar crest (days 0 and 180 ± 5), measurement of radiodensity using tomographic techniques (days 0–5 and 175 ± 5), and histological examination of biopsies collected at 180 ± 5 days. Results: No significant differences were observed during the entire follow-up period between the two groups with respect to the safety variables studied. A variation in width of −0.9 ± 1.3 mm and −0.6 ± 1.5 mm, and a variation in height of −0.1 ± 0.9 mm and −0.3 ± 0.7 mm was observed for experimental material Sil-Oss® and Bio-Oss®, respectively. The radiodensity of the alveoli regenerated with the experimental material was significantly lower than that corresponding to Bio-Oss®. However, the histological study showed greater osteoid matrix and replacement of the material with newformed bone in the implanted beds with the experimental material. Conclusions: Both materials can be used safely and proved equally effective in maintaining alveolar flange dimensions, they are also histologically biocompatible, bioactive and osteoconductive. The experimental material showed the advantage of being resorbable and replaced with newformed bone, in addition to promoting bone regeneration.
Collapse
|
20
|
Alshehri F, Alshehri M, Sumague T, Niazy A, Jansen J, van den Beucken J, Alghamdi H. Evaluation of Peri-Implant Bone Grafting Around Surface-Porous Dental Implants: An In Vivo Study in a Goat Model. MATERIALS 2019; 12:ma12213606. [PMID: 31684138 PMCID: PMC6862611 DOI: 10.3390/ma12213606] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Revised: 10/22/2019] [Accepted: 10/30/2019] [Indexed: 12/11/2022]
Abstract
Dental implants with surface-porous designs have been recently developed. Clinically, peri-implant bone grafting is expected to promote early osseointegration and bone ingrowth when applied with surface-porous dental implants in challenging conditions. The aim of this study was to comparatively analyze peri-implant bone healing around solid implants and surface-porous implants with and without peri-implant bone grafting, using biomechanical and histomorphometrical assessment in a goat iliac bone model. A total of 36 implants (4.1 mm wide, 11.5 mm long) divided into three groups, solid titanium implant (STI; n = 12), porous titanium implants (PTI; n = 12) and PTI with peri-implant bone grafting using biphasic calcium phosphate granules (PTI + BCP; n = 12), were placed bilaterally in the iliac crests of six goats. The goats were sacrificed seven weeks post-operatively and then subjected to biomechanical (n = 6 per group) and histomorphometrical (n = 6 per group) assessment. The biomechanical assessment revealed no significant differences between the three types of implants. Although the peri-implant bone-area (PIBA%) measured by histomorphometry (STI: 8.63 ± 3.93%, PTI: 9.89 ± 3.69%, PTI + BCP: 9.28 ± 2.61%) was similar for the three experimental groups, the percentage of new bone growth area (BGA%) inside the porous implant portion was significantly higher (p < 0.05) in the PTI group (10.67 ± 4.61%) compared to the PTI + BCP group (6.50 ± 6.53%). These data demonstrate that peri-implant bone grafting around surface-porous dental implants does not significantly accelerate early osseointegration and bone ingrowth.
Collapse
Affiliation(s)
- Fahad Alshehri
- Department of Periodontics and Community Dentistry, College of Dentistry, King Saud University, Riyadh 11545, Saudi Arabia.
| | - Mohammed Alshehri
- Dental Department, King Khalid University Hospital, King Saud University, Riyadh 11545, Saudi Arabia.
| | - Terrence Sumague
- Molecular and Cell Biology Laboratory, College of Dentistry, King Saud University, Riyadh 11545, Saudi Arabia.
| | - Abdurahman Niazy
- Molecular and Cell Biology Laboratory, College of Dentistry, King Saud University, Riyadh 11545, Saudi Arabia.
| | - John Jansen
- Department of Regenerative Biomaterials, Radboudumc, 6525EX Nijmegen, The Netherlands.
| | | | - Hamdan Alghamdi
- Department of Periodontics and Community Dentistry, College of Dentistry, King Saud University, Riyadh 11545, Saudi Arabia.
- Molecular and Cell Biology Laboratory, College of Dentistry, King Saud University, Riyadh 11545, Saudi Arabia.
| |
Collapse
|
21
|
Jeanneau C, Le Fournis C, About I. Xenogeneic bone filling materials modulate mesenchymal stem cell recruitment: role of the Complement C5a. Clin Oral Investig 2019; 24:2321-2329. [PMID: 31646394 DOI: 10.1007/s00784-019-03087-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Accepted: 09/22/2019] [Indexed: 11/24/2022]
Abstract
OBJECTIVES When bone filling materials are applied onto the periodontal tissues in vivo, they interact with the injured periodontal ligament (PDL) tissue and modulate its activity. This may lead to mesenchymal stem cells (MSCs) recruitment from bone marrow and initiate bone regeneration. Our hypothesis is that the filling materials affect PDL cells and MSCs functional activities by modulating PDL C5a secretion and subsequent MSCs proliferation and recruitment. MATERIALS AND METHODS Materials' extracts were prepared from 3 bone-grafting materials: Gen-Os® of equine and porcine origins and bovine Bio-Oss®. Expression and secretion of C5a protein by injured PDL cells were investigated by RT-PCR and ELISA. MSCs proliferation was analyzed by MTT assay. C5a binding to MSCs C5aR and its phosphorylation was studied by ELISA. C5a implication in MSCs recruitment toward injured PDL cells was investigated using Boyden chambers. RESULTS MSCs proliferation significantly increased with Gen-Os® materials but significantly decreased with Bio-Oss®. C5a secretion slightly increased with Bio-Oss® while its level doubled with Gen-Os® materials. C5a fixation on MSCs C5aR and its phosphorylation significantly increased with Gen-Os® materials but not with Bio-Oss®. MSCs recruitment toward injured PDL cells increased with the three materials but was significantly higher with Gen-Os® materials than with Bio-Oss®. Adding C5a antagonist inhibited MSCs recruitment demonstrating a C5a-mediated migration. CONCLUSIONS Injured PDL cells secrete C5a leading MSCs proliferation and recruitment to the PDL injured cells. Gen-Os® materials enhanced both C5a secretion by injured PDL cells and MSCs recruitment. Bio-Oss® inhibited MSCs and was less efficient than Gen-Os® materials in inducing MSCs recruitment. CLINICAL RELEVANCE Within the limits of this study in vitro, Gen-Os® filling materials have a higher potential than Bio-Oss® on MSCs proliferation and C5a-dependent recruitment to the PDL injury site and the subsequent bone regeneration.
Collapse
Affiliation(s)
| | - Chloé Le Fournis
- Aix Marseille Univ, CNRS, ISM, Inst Movement Sci, Marseille, France
| | - Imad About
- Aix Marseille Univ, CNRS, ISM, Inst Movement Sci, Marseille, France.
| |
Collapse
|
22
|
A Comparison between Primary and Secondary Flap Coverage in Ridge Preservation Procedures: A Pilot Randomized Controlled Clinical Trial. BIOMED RESEARCH INTERNATIONAL 2019; 2019:7679319. [PMID: 31531367 PMCID: PMC6720364 DOI: 10.1155/2019/7679319] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Accepted: 07/09/2019] [Indexed: 11/17/2022]
Abstract
Aims To assess the bone dimensional changes after extraction and alveolar ridge preservation (ARP) using primary coverage (closed flap technique, CFT) or healing by secondary intention (open flap technique, OFT). Materials and Methods Ten patients (split mouth design) were planned for extraction and ARP. All sites received ARP with freeze-dried bone allograft (FDBA) and nonresorbable membrane after extraction. Clinical standardized measurements were used to assess the dimensional alterations of the alveolar ridge. Results All patients completed the study, and a total of 20 sites were randomized to CFT or OFT group. Center height (mean difference of 8.1 mm, SD =1.9 CFT, and 7.5 mm, SD= 1.8 OFT) and buccal height (mean difference of 0.8 mm, SD =1.0 CFT, and 0.3 mm, SD= 1.1 OFT) were significantly different within the same group. However, there was no statistically significant difference between groups. In the OFT group, the keratinized tissue width was higher and the pain VAS scores at 24 hours were lower compared with the CFT (p = 0.004 and p = 0.006, respectively). Conclusions Leaving the flap open did not have any effects on the dimensional changes of bone height or width. However, there was a wider band of keratinized tissue and less pain with the CFT compared with the OFT. The study protocol was registered at ClinicalTrials.gov, Identifier NCT03136913.
Collapse
|
23
|
Ashammakhi N, Darabi MA, Kehr NS, Erdem A, Hu SK, Dokmeci MR, Nasr AS, Khademhosseini A. Advances in Controlled Oxygen Generating Biomaterials for Tissue Engineering and Regenerative Therapy. Biomacromolecules 2019; 21:56-72. [DOI: 10.1021/acs.biomac.9b00546] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Nureddin Ashammakhi
- Center for Minimally
Invasive Therapeutics (C-MIT), University of California−Los Angeles, Los Angeles, California 90095, United States
- Department of Radiological Sciences, David Geffen School of Medicine, University of California−Los Angeles, Los Angeles, California 90095, United States
- Department of Bioengineering, University of California−Los Angeles, Los Angeles, California 90095, United States
- California NanoSystems
Institute (CNSI), University of California−Los Angeles, Los Angeles, California 90095, United States
| | - Mohammad Ali Darabi
- Center for Minimally
Invasive Therapeutics (C-MIT), University of California−Los Angeles, Los Angeles, California 90095, United States
- Department of Radiological Sciences, David Geffen School of Medicine, University of California−Los Angeles, Los Angeles, California 90095, United States
- Department of Bioengineering, University of California−Los Angeles, Los Angeles, California 90095, United States
- California NanoSystems
Institute (CNSI), University of California−Los Angeles, Los Angeles, California 90095, United States
| | - Nermin Seda Kehr
- Center for Minimally
Invasive Therapeutics (C-MIT), University of California−Los Angeles, Los Angeles, California 90095, United States
- Department of Bioengineering, University of California−Los Angeles, Los Angeles, California 90095, United States
- California NanoSystems
Institute (CNSI), University of California−Los Angeles, Los Angeles, California 90095, United States
- Physikalisches Institut
and Center for Soft Nanoscience, Westfälische Wilhelms-Universität Münster, Busse-Peus-Strasse 10, 48149 Münster, Germany
| | - Ahmet Erdem
- Center for Minimally
Invasive Therapeutics (C-MIT), University of California−Los Angeles, Los Angeles, California 90095, United States
- Department of Bioengineering, University of California−Los Angeles, Los Angeles, California 90095, United States
- California NanoSystems
Institute (CNSI), University of California−Los Angeles, Los Angeles, California 90095, United States
- Department of Chemistry, Kocaeli University, Umuttepe Campus, 41380 Kocaeli, Turkey
- Department of Biomedical Engineering, Kocaeli University, Umuttepe Campus, 41380 Kocaeli, Turkey
| | - Shu-kai Hu
- Center for Minimally
Invasive Therapeutics (C-MIT), University of California−Los Angeles, Los Angeles, California 90095, United States
- Department of Bioengineering, University of California−Los Angeles, Los Angeles, California 90095, United States
- California NanoSystems
Institute (CNSI), University of California−Los Angeles, Los Angeles, California 90095, United States
- Physikalisches Institut
and Center for Soft Nanoscience, Westfälische Wilhelms-Universität Münster, Busse-Peus-Strasse 10, 48149 Münster, Germany
| | - Mehmet R. Dokmeci
- Center for Minimally
Invasive Therapeutics (C-MIT), University of California−Los Angeles, Los Angeles, California 90095, United States
- Department of Radiological Sciences, David Geffen School of Medicine, University of California−Los Angeles, Los Angeles, California 90095, United States
- Department of Bioengineering, University of California−Los Angeles, Los Angeles, California 90095, United States
- California NanoSystems
Institute (CNSI), University of California−Los Angeles, Los Angeles, California 90095, United States
| | - Ali S. Nasr
- Division of Cardiothoracic Surgery, Department of Surgery, University of Iowa Hospitals and Clinics, Carver College of Medicine, University of Iowa, Iowa City, Iowa 52242, United States
| | - Ali Khademhosseini
- Center for Minimally
Invasive Therapeutics (C-MIT), University of California−Los Angeles, Los Angeles, California 90095, United States
- Department of Radiological Sciences, David Geffen School of Medicine, University of California−Los Angeles, Los Angeles, California 90095, United States
- Department of Bioengineering, University of California−Los Angeles, Los Angeles, California 90095, United States
- California NanoSystems
Institute (CNSI), University of California−Los Angeles, Los Angeles, California 90095, United States
- Department of Chemical Engineering, University of California−Los Angeles, Los Angeles, California 90095, United States
| |
Collapse
|
24
|
Characterization of circulating DNA in plasma of patients after allogeneic bone grafting. Clin Oral Investig 2019; 23:4243-4253. [DOI: 10.1007/s00784-019-02867-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Accepted: 02/19/2019] [Indexed: 12/21/2022]
|
25
|
Solakoglu Ö, Götz W, Kiessling MC, Alt C, Schmitz C, Alt EU. Improved guided bone regeneration by combined application of unmodified, fresh autologous adipose derived regenerative cells and plasma rich in growth factors: A first-in-human case report and literature review. World J Stem Cells 2019; 11:124-146. [PMID: 30842809 PMCID: PMC6397807 DOI: 10.4252/wjsc.v11.i2.124] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 12/07/2018] [Accepted: 01/10/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Novel strategies are needed for improving guided bone regeneration (GBR) in oral surgery prior to implant placement, particularly in maxillary sinus augmentation (GBR-MSA) and in lateral alveolar ridge augmentation (LRA). This study tested the hypothesis that the combination of freshly isolated, unmodified autologous adipose-derived regenerative cells (UA-ADRCs), fraction 2 of plasma rich in growth factors (PRGF-2) and an osteoinductive scaffold (OIS) (UA-ADRC/PRGF-2/OIS) is superior to the combination of PRGF-2 and the same OIS alone (PRGF-2/OIS) in GBR-MSA/LRA. CASE SUMMARY A 79-year-old patient was treated with a bilateral external sinus lift procedure as well as a bilateral lateral alveolar ridge augmentation. GBR-MSA/LRA was performed with UA-ADRC/PRGF-2/OIS on the right side, and with PRGF-2/OIS on the left side. Biopsies were collected at 6 wk and 34 wk after GBR-MSA/LRA. At the latter time point implants were placed. Radiographs (32 mo follow-up time) demonstrated excellent bone healing. No radiological or histological signs of inflammation were observed. Detailed histologic, histomorphometric, and immunohistochemical analysis of the biopsies evidenced that UA-ADRC/PRGF-2/OIS resulted in better and faster bone regeneration than PRGF-2/OIS. CONCLUSION GBR-MSA with UA-ADRCs, PRGF-2, and an OIS shows effectiveness without adverse effects.
Collapse
Affiliation(s)
- Önder Solakoglu
- External Visiting Lecturer, Dental Department of the University Medical Center Hamburg-Eppendorf, Hamburg 20246, Germany
- Clinic for Periodontology and Implantology, Hamburg 22453, Germany.
| | - Werner Götz
- Department of Orthodontics, Center of Dento-Maxillo-Facial Medicine, University of Bonn, Bonn 53111, Germany
| | - Maren C Kiessling
- Institute of Anatomy, Faculty of Medicine, LMU Munich, Munich 80336, Germany
| | | | - Christoph Schmitz
- Institute of Anatomy, Faculty of Medicine, LMU Munich, Munich 80336, Germany
| | - Eckhard U Alt
- InGeneron GmbH, Munich 80331, Germany
- InGeneron, Inc., Houston, TX 77054, United States
- Isar Klinikum Munich, 80331 Munich, Germany
| |
Collapse
|
26
|
De Oliveira EL, De Carvalho PSP, Da Silva TB. Histological and histomorphometric evaluation of efficacy of a polypropylene barrier in guided bone regeneration and modified guided bone regeneration in critical defects in rodent cranial vaults. J Indian Soc Periodontol 2019; 23:351-355. [PMID: 31367133 PMCID: PMC6628764 DOI: 10.4103/jisp.jisp_111_18] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Background: The last few years have detailed a number of surgical materials and techniques to stimulate guided bone regeneration (GBR). Polypropylene has been used as a mechanical barrier, intentionally designed to be exposed to the oral environment, isolating the regeneration area, and allowing the blood clot to remain protected in a confined space while pluripotent mesenchymal cells regenerate the alveolar bone tissue. Aim: Due to the lack of studies on polypropylene barriers (PB) (Bone Heal– Bone heal ind. e Com. LTDA – São Paulo, Brazil), this study aimed to evaluate the histological repair process of critical defects (7 mm) made in the rodent cranial vaults comparing its efficacy in GBR and modified GBR. Materials and Methods: A total of 30 rats were divided into three groups. The control group consisted of 10 rats, wounds covered with just a blood clot. The second group consisted of an exposed/uncoated PB at the edges of the wound, and it was removed after 3 days. The third group used submerged PB with coaptation of the wound edges, and it was not removed. Five animals of each group were euthanized at 30 and 90 days postoperative and submitted to microscopic analysis and histomorphometric evaluation. Results: Modified GBR (membrane exposed to the oral medium) provided earlier tissue organization at 30 days; however, the third group presented better bone neoformation at 90 days. Conclusion: Modified GBR provided earlier tissue organization compared with the control group, as well as promoting improved bone neoformation, while regeneration with the submerged membrane presented better bone neoformation in the long term.
Collapse
|
27
|
Solakoglu Ö, Filippi A. Regenerative Therapy of Peri-Implantitis: Clinical and Radiologic Documentation of 16 Consecutive Patients With a Mean Follow-Up of 3 Years. J ORAL IMPLANTOL 2018; 45:145-153. [PMID: 30513052 DOI: 10.1563/aaid-joi-d-18-00168] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Önder Solakoglu
- 1 Dental Department of the University Medical Center Hamburg-Eppendorf, Hamburg, Germany; private practice, Hamburg, Germany
| | - Andreas Filippi
- Clinic of Oral Surgery and Dental Imaging, University Center for Dental Medicine Basel USB, University of Basel, Basel, Switzerland
| |
Collapse
|
28
|
Schnutenhaus S, Götz W, Dreyhaupt J, Rudolph H, Luthardt RG. Alveolar Ridge Preservation: A Histomorphometric Analysis. Open Dent J 2018. [DOI: 10.2174/1874210601812010916] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Objective:
This study presents the histomorphometric findings after tooth extraction with and without Alveolar Ridge Preservation (ARP) with a collagen cone filling the socket in combination with a collagen membrane covering the socket.
Materials and Methods:
In a controlled randomized clinical study, 10 patients were treated with the combination material after tooth extraction. In 10 patients, the extraction sockets were left to heal without further intervention. Soft tissue, new bone formation, bone quality and bone remodeling, blood flow vascularization, and inflammation were evaluated histomorphometrically. This was performed (semi-) quantitatively using a blinded protocol.
Results:
The statistical evaluation showed no significant difference for any parameter. When the combination material was used, more pronounced remodeling, increased osteoblast activity, and increased vascularization were demonstrated based on the histomorphometric findings. In contrast, there were reduced levels of osteogenesis and less mineralization. There was slightly more bundle bone in patients with ARP.
Conclusion:
The histomorphometric analysis of ARP with a combination material consisting of a collagen cone and a collagen membrane showed no significant differences in terms of new bone formation and bone quality. Descriptively, however, different manifestations were seen that might benefit from being documented using larger samples and being tested for clinical relevance.
Collapse
|
29
|
Schnutenhaus S, Martin T, Dreyhaupt J, Rudolph H, Luthardt RG. Dimensional Changes of the Soft Tissue after Alveolar Ridge Preservation with a Collagen Material. A Clinical Randomized Trial. Open Dent J 2018; 12:389-399. [PMID: 29988229 PMCID: PMC5997874 DOI: 10.2174/1874210601812010389] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 04/15/2018] [Accepted: 05/07/2018] [Indexed: 11/22/2022] Open
Abstract
Background: Reduction of the soft tissue is an unavoidable consequence of tooth extraction without appropriate measures of Alveolar Ridge Preservation (ARP). Objectives: The objective of this study is the volumetric investigation of the dimensional change of the soft tissue post tooth extraction to compare an Alveolar Ridge Preservation (ARP) measure with the insertion of a combination material with a collagen cone to fill the alveolus, combined with a collagen membrane, with untreated extraction alveoli. Methods: In the context of a randomized clinical trial, 31 patients were treated with the combination material directly post tooth extraction in the maxilla (ARP). In 29 further patients, the extraction alveoli were left without further measures (control group). The changes of the soft tissue contour were measured 6 (+/- 1) weeks post extraction. The measurements were performed by superimposing digital models. The groups were compared using the Wilcoxon rank-sum-test. Results: The premolar subgroup revealed a significant difference of the soft tissue dimension post insertion of a collagen material into the alveolus in comparison to untreated alveoli. In these cases, the mean loss of soft tissue volume after use of the collagen material was significantly lower. Conclusion: The proposed hypothesis that there is a difference of the soft tissue preservation between alveoli with and without the use of a collagen material can be accepted with restrictions to the premolar region. A statistically significant lower volume reduction of the soft tissue by implantation of the collagen material could be detected with premolars.
Collapse
Affiliation(s)
- Sigmar Schnutenhaus
- Private practice, Breiter Wasmen 10, D-78247, Hilzingen, Germany.,Department of Prosthetic Dentistry, Center of Dentistry, University of Ulm, Ulm, Germany
| | | | - Jens Dreyhaupt
- Institute of Epidemiology and Medical Biometry, University of Ulm, Ulm, Germany
| | - Heike Rudolph
- Department of Prosthetic Dentistry, Center of Dentistry, University of Ulm, Ulm, Germany
| | - Ralph G Luthardt
- Department of Prosthetic Dentistry, Center of Dentistry, University of Ulm, Ulm, Germany
| |
Collapse
|
30
|
Kresnoadi U, Raharjo T, Rostiny R. Effects of mangosteen peel extract combined with demineralized freeze-dried bovine bone xenograft on osteocalcin, collagen 1, and osteoblast as alveolar bone regeneration in socket preservation. J Indian Prosthodont Soc 2018; 18:117-121. [PMID: 29692564 PMCID: PMC5903174 DOI: 10.4103/jips.jips_326_17] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Accepted: 01/29/2018] [Indexed: 11/18/2022] Open
Abstract
Background: Tooth extraction will provoke changes in alveolar bone morphology and dimensions. Postextraction bone resorption can lead to significant problems for restorative dentistry. Therefore, the extracted tooth socket needs to be preserved to reduce alveolar ridge bone resorption. This research aimed to analyze the expression and levels of osteocalcin, collagen 1, and osteoblasts in extracted tooth sockets filled with a combination of mangosteen peel extract and demineralized freeze-dried bovine bone xenograft (DFDBBX). Material and Methods: Fifty-six Cavia cobaya, whose lower left incisors had been extracted, were divided into eight groups according to the substance used to fill their sockets on days 7 and 30, Poly ethylene glycol, DFDBBX, mangosteen peel extract, or a combination of mangosteen peel extract and DFDBBX. This research was conducted in several stages; the application of mangosteen peel extract combined with graft material was performed as the form of tooth extraction socket preservation. The C. cobaya rats were subsequently examined by immunohistochemical methods to measure osteocalcin and collagen 1 expressions, whereas histological examination was conducted to calculate the number of osteoblasts in accordance with the duration of the research. Results: On days 7 and 30, the group treated with a combination of DFDBBX and mangosteen peel extract which had the highest expression and levels of osteocalcin, collagen 1, and osteoblasts. Conclusion: The administration of mangosteen peel extract combined with DFDBBX as a means of tooth extraction socket preservation can increase osteocalcin and collagen 1 expression. Consequently, osteoblasts as a means of alveolar bone regeneration will increase in number.
Collapse
Affiliation(s)
- Utari Kresnoadi
- Department of Prosthodontic, Faculty of Dental Medicine, Universitas Airlangga, Surabaya 60132, Indonesia
| | - Tika Raharjo
- Department of Prosthodontic, Faculty of Dental Medicine, Universitas Airlangga, Surabaya 60132, Indonesia
| | - Rostiny Rostiny
- Department of Prosthodontic, Faculty of Dental Medicine, Universitas Airlangga, Surabaya 60132, Indonesia
| |
Collapse
|
31
|
Kim HD, Amirthalingam S, Kim SL, Lee SS, Rangasamy J, Hwang NS. Biomimetic Materials and Fabrication Approaches for Bone Tissue Engineering. Adv Healthc Mater 2017; 6. [PMID: 29171714 DOI: 10.1002/adhm.201700612] [Citation(s) in RCA: 163] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2017] [Revised: 10/09/2017] [Indexed: 01/14/2023]
Abstract
Various strategies have been explored to overcome critically sized bone defects via bone tissue engineering approaches that incorporate biomimetic scaffolds. Biomimetic scaffolds may provide a novel platform for phenotypically stable tissue formation and stem cell differentiation. In recent years, osteoinductive and inorganic biomimetic scaffold materials have been optimized to offer an osteo-friendly microenvironment for the osteogenic commitment of stem cells. Furthermore, scaffold structures with a microarchitecture design similar to native bone tissue are necessary for successful bone tissue regeneration. For this reason, various methods for fabricating 3D porous structures have been developed. Innovative techniques, such as 3D printing methods, are currently being utilized for optimal host stem cell infiltration, vascularization, nutrient transfer, and stem cell differentiation. In this progress report, biomimetic materials and fabrication approaches that are currently being utilized for biomimetic scaffold design are reviewed.
Collapse
Affiliation(s)
- Hwan D. Kim
- School of Chemical and Biological Engineering; The Institute of Chemical Processes; Seoul National University; Seoul 151-742 Republic of Korea
| | | | - Seunghyun L. Kim
- Interdisciplinary Program in Bioengineering; Seoul National University; Seoul 151-742 Republic of Korea
| | - Seunghun S. Lee
- Interdisciplinary Program in Bioengineering; Seoul National University; Seoul 151-742 Republic of Korea
| | - Jayakumar Rangasamy
- Centre for Nanosciences and Molecular Medicine; Amrita University; Kochi 682041 India
| | - Nathaniel S. Hwang
- School of Chemical and Biological Engineering; The Institute of Chemical Processes; Seoul National University; Seoul 151-742 Republic of Korea
- Interdisciplinary Program in Bioengineering; Seoul National University; Seoul 151-742 Republic of Korea
- The BioMax Institute of Seoul National University; Seoul 151-742 Republic of Korea
| |
Collapse
|
32
|
Treatment of Severely Resorbed Maxilla Due to Peri-Implantitis by Guided Bone Regeneration Using a Customized Allogenic Bone Block: A Case Report. MATERIALS 2017; 10:ma10101213. [PMID: 29065477 PMCID: PMC5667019 DOI: 10.3390/ma10101213] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Revised: 10/18/2017] [Accepted: 10/19/2017] [Indexed: 11/17/2022]
Abstract
The objective of this case report is to introduce a customized CAD/CAM freeze-dried bone allograft (FDBA) block for its use in Guided Bone Regeneration (GBR) procedures for severely deficient maxillary bones. Additionally, a special newly developed remote incision technique is presented to avoid wound dehiscence. The results show optimal integration behavior of the FDBA block after six months and the formation of new vital bone. Thus, the results of the present case report confirm the use of the customized CAD/CAM bone block for augmentation of complex defects in the maxillary aesthetic zone as a successful treatment concept.
Collapse
|
33
|
Guarnieri R, Stefanelli L, De Angelis F, Mencio F, Pompa G, Di Carlo S. Extraction Socket Preservation Using Porcine-Derived Collagen Membrane Alone or Associated with Porcine-Derived Bone. Clinical Results of Randomized Controlled Study. J Oral Maxillofac Res 2017; 8:e5. [PMID: 29142657 PMCID: PMC5676315 DOI: 10.5037/jomr.2017.8305] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Accepted: 09/28/2017] [Indexed: 11/23/2022]
Abstract
OBJECTIVES The aim of present randomized controlled clinical trial was to clinically evaluate hard tissue changes after extraction socket preservation procedures compared to natural spontaneous healing. MATERIAL AND METHODS Thirty patients were enrolled in the present study and underwent single-tooth extraction in the premolar/molar areas. Ten sites were grafted with porcine-derived bone covered by collagen membrane, 10 covered by porcine-derived collagen membrane alone, and 10 underwent natural spontaneous healing. Vertical and horizontal bone changes after 3-month were evaluated at implant placement. RESULTS The vertical and horizontal bone changes at the extraction sockets treated with collagen membrane alone (vertical: -0.55 [SD 0.11] mm, and horizontal: -1.21 [SD 0.69] mm) and collagen membrane plus porcine-derived bone (vertical: -0.37 [SD 0.7] mm, and horizontal: -0.91 [SD 0.53] mm) were found significantly lower (P < 0.001), when compared to non-grafted sockets (vertical: -2.09 [SD 0.19] mm, and horizontal: -3.96 [SD 0.87] mm).In type 1 extraction sockets, in premolar sites, and in presence of vestibular bone thicknesses ≥ 1.5 mm, the use of collagen membrane alone revealed similar outcomes to those with additional graft material. CONCLUSIONS At the re-entry surgery, extraction sockets grafted with porcine-derived bone and covered by collagen membrane, and extraction sockets covered by porcine-derived collagen membrane alone, showed significantly lower vertical and horizontal bone changes, compared to extraction sockets sites underwent natural spontaneous healing. However, a complete prevention of remodelling is not achievable, irrespective of the technique used.
Collapse
Affiliation(s)
- Renzo Guarnieri
- Department of Dental and Maxillofacial Sciences, School of Dentistry, University La Sapienza, RomeItaly.
| | - Luigi Stefanelli
- Department of Dental and Maxillofacial Sciences, School of Dentistry, University La Sapienza, RomeItaly.
| | - Francesca De Angelis
- Department of Dental and Maxillofacial Sciences, School of Dentistry, University La Sapienza, RomeItaly.
| | - Francesca Mencio
- Department of Dental and Maxillofacial Sciences, School of Dentistry, University La Sapienza, RomeItaly.
| | - Giorgio Pompa
- Department of Dental and Maxillofacial Sciences, School of Dentistry, University La Sapienza, RomeItaly.
| | - Stefano Di Carlo
- Department of Dental and Maxillofacial Sciences, School of Dentistry, University La Sapienza, RomeItaly.
| |
Collapse
|
34
|
Schorn L, Sproll C, Ommerborn M, Naujoks C, Kübler NR, Depprich R. Vertical bone regeneration using rhBMP-2 and VEGF. Head Face Med 2017; 13:11. [PMID: 28592312 PMCID: PMC5463342 DOI: 10.1186/s13005-017-0146-0] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Accepted: 05/29/2017] [Indexed: 11/25/2022] Open
Abstract
Background Sufficient vertical and lateral bone supply and a competent osteogenic healing process are prerequisities for the successful osseointegration of dental implants in the alveolar bone. Several techniques including autologous bone grafts and guided bone regeneration are applied to improve quality and quantity of bone at the implantation site. Depending on the amount of lacking bone one- or two-stage procedures are required. Vertical bone augmentation has proven to be a challenge particularly in terms of bone volume stability. This study focuses on the three dimensional vertical bone generation in a one stage procedure in vivo. Therefore, a collagenous disc-shaped scaffold (ICBM = Insoluble Collagenous Bone Matrix) containing rhBMP-2 (Bone Morphogenetic Protein-2) and/or VEGF (Vascular Endothelial Growth Factor) was applied around the coronal part of a dental implant during insertion. RhBMP-2 and VEGF released directly at the implantation site were assumed to induce the generation of new vertical bone around the implant. Methods One hundred eight titanium implants were inserted into the mandible and the tibia of 12 mini pigs. Four experimental groups were formed: Control group, ICBM, ICBM + BMP-2, and ICBM + BMP-2 + VEGF. After 1, 4 and 12 weeks the animals were sacrificed and bone generation was investigated histologically and histomorphometrically. Results After 12 weeks the combination of ICBM + rhBMP2 + VEGF showed significantly more bone volume density (BVD%), a higher vertical bone gain (VBG) and more vertical bone gain around the implant (PVBG) in comparison to the control group. Conclusion By using collagenous disc-shaped matrices in combination with rhBMP-2 and VEGF vertical bone can be generated in a one stage procedure without donor site morbidity. The results of the presenting study suggest that the combination of rhBMP-2 and VEGF applied locally by using a collagenous carrier improves vertical bone generation in vivo. Further research is needed to establish whether this technique is applicable in clinical routines.
Collapse
Affiliation(s)
- Lara Schorn
- Department of Oral-, Maxillo- and Plastic Facial Surgery, Heinrich-Heine-University Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany
| | - Christoph Sproll
- Department of Oral-, Maxillo- and Plastic Facial Surgery, Heinrich-Heine-University Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany.
| | - Michelle Ommerborn
- Department of Operative and Preventive Dentistry and Endodontics, Heinrich-Heine-University Duesseldorf, Moorenstr. 5, Duesseldorf, 40225, Germany
| | - Christian Naujoks
- Department of Oral-, Maxillo- and Plastic Facial Surgery, Heinrich-Heine-University Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany
| | - Norbert R Kübler
- Department of Oral-, Maxillo- and Plastic Facial Surgery, Heinrich-Heine-University Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany
| | - Rita Depprich
- Department of Oral-, Maxillo- and Plastic Facial Surgery, Heinrich-Heine-University Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany
| |
Collapse
|
35
|
Comparison of Bio-degradation for Ridge Preservation Using Silk Fibroin-based Grafts and a Collagen Plug. Tissue Eng Regen Med 2017; 14:221-231. [PMID: 30603479 DOI: 10.1007/s13770-017-0055-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2017] [Revised: 04/04/2017] [Accepted: 04/06/2017] [Indexed: 10/19/2022] Open
Abstract
A material for ridge preservation should have dimensional stability to resist bio-degradation. This study was designed to compare bio-degradation of ridge preservation materials. Collagen plug was used as a positive control. Untreated, ethanol-treated, and 4-hexylresorcinol (4HR)-treated silk plugs were used for the experimental group. Each material underwent a scanning electron microscopic exam and a Fourier transform infrared (FT-IR) spectroscopic exam. Bio-degradation was evaluated by analyzing cylindrical bony defects in rabbit tibias. There were no prominent differences in microstructure among the silk plug groups. FT-IR exam demonstrated that the ethanol- and 4HR-treated silk plug groups had enhanced β-sheet structure. All silk plug groups exhibited significantly higher residual graft than the collagen plug group 4 weeks postoperative (p < 0.05). In conclusion, silk fibroin-based ridge preservation material was less bio-degradable than a collagen plug until at least 4 weeks after grafting.
Collapse
|
36
|
Guarnieri R, DeVilliers P, Grande M, Stefanelli LV, Di Carlo S, Pompa G. Histologic evaluation of bone healing of adjacent alveolar sockets grafted with bovine- and porcine-derived bone: a comparative case report in humans. Regen Biomater 2017. [DOI: 10.1093/rb/rbx002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
|
37
|
A silver carp skin derived collagen in bone defect treatment—A histological study in a rat model. Ann Anat 2016; 208:123-128. [DOI: 10.1016/j.aanat.2016.07.009] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Revised: 07/13/2016] [Accepted: 07/22/2016] [Indexed: 02/07/2023]
|
38
|
Alpan AL, Toker H, Ozer H. Ozone Therapy Enhances Osseous Healing in Rats With Diabetes With Calvarial Defects: A Morphometric and Immunohistochemical Study. J Periodontol 2016; 87:982-9. [DOI: 10.1902/jop.2016.160009] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
|