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Batas L, Xanthopoulou V, Gnigou M, Vagdouti T, Fragkioudakis I, Vouros I. The Long-Term Esthetic and Radiographic Outcome of Implants Placed in the Anterior Maxilla after Ridge Preservation, Combining Bovine Xenograft with Collagen Matrix. Dent J (Basel) 2024; 12:80. [PMID: 38534304 DOI: 10.3390/dj12030080] [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: 01/14/2024] [Revised: 03/08/2024] [Accepted: 03/18/2024] [Indexed: 03/28/2024] Open
Abstract
The objective of the study was to evaluate the long-term esthetic and radiographic results of implants placed in the anterior maxilla after ridge preservation, combining bovine xenograft with collagen matrix. Fifteen patients who required a single tooth extraction because of fracture, root resorption, or extended caries were included in the study. After extraction, all sites were grafted using Deproteinized Bovine Bone Mineral (DBBM) with collagen and covered by a resorbable collagen matrix (CM). Five months after socket grafting, implants were successfully installed. The implant diameter range was between 3.8 and 4.2 mm. All patients were monitored for over 7 years, both clinically and radiographically. Three independent observers evaluated the long-term esthetic outcome, employing the Pink Esthetic Score (PES) technique. Over a period exceeding seven years, a 100% survival rate was observed for all 15 implants, with minimal marginal bone loss. The mean PES was 11.40 (±1.44) at the first assessment and 11.38 (±1.63) at the second assessment. The difference was not statistically significant (p = 0.978), and the scores of PES measurements indicated excellent esthetic results even after seven years. Based on these preliminary results, it seems that placing collagen bovine bone in a fresh extraction socket, covered with a collagen matrix, can preserve the alveolar ridge and provide long-term stable esthetic results.
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Affiliation(s)
- Leonidas Batas
- Department of Preventive Dentistry, Periodontology and Implant Biology, School of Dentistry, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
| | - Vithleem Xanthopoulou
- Department of Preventive Dentistry, Periodontology and Implant Biology, School of Dentistry, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
| | - Maria Gnigou
- Department of Preventive Dentistry, Periodontology and Implant Biology, School of Dentistry, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
| | - Triantafyllia Vagdouti
- Department of Preventive Dentistry, Periodontology and Implant Biology, School of Dentistry, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
| | - Ioannis Fragkioudakis
- Department of Preventive Dentistry, Periodontology and Implant Biology, School of Dentistry, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
| | - Ioannis Vouros
- Department of Preventive Dentistry, Periodontology and Implant Biology, School of Dentistry, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
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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.
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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.)
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Bungthong W, Amornsettachai P, Luangchana P, Chuenjitkuntaworn B, Suphangul S. Bone Dimensional Change Following Immediate Implant Placement in Posterior Teeth with CBCT: A 6-Month Prospective Clinical Study. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27030608. [PMID: 35163869 PMCID: PMC8838578 DOI: 10.3390/molecules27030608] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 01/17/2022] [Accepted: 01/17/2022] [Indexed: 02/01/2023]
Abstract
This prospective clinical study aimed to evaluate the peri-implant hard tissue dimensional change at 6 months of immediate implant placement with bone graft materials in the posterior area using cone-beam computed tomography (CBCT). Twelve dental implants were placed concurrently following tooth extraction in the posterior area and filled with xenograft particles. The CBCT images were taken immediately after surgical procedures and then at 6 months follow-up. To evaluate the hard tissue changes, the vertical and horizontal bone thickness were analyzed and measured using ImageJ software. Paired t-test or Wilcoxon match-pair signed-rank test was done to analyze the changes of hard tissue values at the same level between immediately and 6 months following immediate implant placement. Independent t-test or Mann-Whitney U test was used to analyze the dimensional change in the vertical and horizontal direction in buccal and lingual aspects. The level of significance was set at p value = 0.05. All implants were successfully osseointegrated. At 6 months follow-up, the vertical bone change at the buccal aspect was -0.69 mm and at the lingual aspect -0.39 mm. For horizontal bone thickness, the bone dimensional changes at 0, 1, 5, and 9 mm levels from the implant platform were -0.62 mm, -0.70 mm, -0.24 mm, and -0.22 mm, respectively. A significant bone reduction was observed in all measurement levels during the 6 months after implant placement (p value < 0.05). It was noted that even with bone grafting, a decrease in bone thickness was seen following the immediate implant placement. Therefore, this technique can be an alternative method to place the implant in the posterior area.
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Affiliation(s)
- Witchayani Bungthong
- Department of Advanced General Dentistry, Faculty of Dentistry, Mahidol University, Yothi Road, Ratchathewi District, Bangkok 10400, Thailand; (W.B.); (P.A.); (B.C.)
| | - Parinya Amornsettachai
- Department of Advanced General Dentistry, Faculty of Dentistry, Mahidol University, Yothi Road, Ratchathewi District, Bangkok 10400, Thailand; (W.B.); (P.A.); (B.C.)
| | - Penporn Luangchana
- Department of Oral and Maxillofacial Radiology, Faculty of Dentistry, Mahidol University, Bangkok 10400, Thailand;
| | - Boontharika Chuenjitkuntaworn
- Department of Advanced General Dentistry, Faculty of Dentistry, Mahidol University, Yothi Road, Ratchathewi District, Bangkok 10400, Thailand; (W.B.); (P.A.); (B.C.)
| | - Suphachai Suphangul
- Department of Advanced General Dentistry, Faculty of Dentistry, Mahidol University, Yothi Road, Ratchathewi District, Bangkok 10400, Thailand; (W.B.); (P.A.); (B.C.)
- Correspondence: ; Tel.: +66-2200-7853
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Gehrke SA, Júnior JA, Treichel TLE, do Prado TD, Dedavid BA, de Aza PN. Effects of insertion torque values on the marginal bone loss of dental implants installed in sheep mandibles. Sci Rep 2022; 12:538. [PMID: 35017552 PMCID: PMC8752839 DOI: 10.1038/s41598-021-04313-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Accepted: 12/14/2021] [Indexed: 12/15/2022] Open
Abstract
The aim of the present in vivo study was to analyze and compare the effects on the crestal bone healing of two different implant macrogeometries installed in fresh socket areas and in normal bone areas with different insertion torque values. Two implant macrogeometries were used in the present study, DuoCone implant (DC) and Maestro implant (MAE), forming four groups: group DCws, in which the implants were installed in healing bone (without a socket); group DCfs, in which the implants were installed in post-extraction areas (fresh sockets); group MAEws, in which the implants were installed in healing bone (without a socket); group MAEfs, in which the implants were installed in post-extraction areas (fresh sockets). After 30 and 90 days of implantations in the bilateral mandibles of 10 sheep, eighty implants were evaluated through digital X-ray images and histologic slices. The crestal bone position in relation to the implant platform shoulder was measured and compared. The measured insertion torque was 47.2 ± 4.69 Ncm for the DCws group, 43.4 ± 4.87 Ncm for the DCfs group, 29.3 ± 3.16 Ncm for the MAEws group, and 27.7 ± 4.41 Ncm for the MAEfs group. The radiographic mesio-distal and histological bucco-lingual analyses showed significantly greater vertical bone loss in the implants installed with high torque (DC groups) in comparison to the implants installed with a low torque (MAE groups) (p < 0.05), at both evaluation times. In general, low insertion torque values (Maestro implants) showed better results of MBL when compared to implants installed with higher torque values (Duo Cone implants). Moreover, our results showed that the implants installed in the sites without sockets showed a less MBL in comparison with the implants installed in sites of fresh sockets.
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Affiliation(s)
- Sergio Alexandre Gehrke
- Department of Biotechnology, Universidad Católica de Murcia, 30107, Murcia, Spain.
- Department of Research, Biotecnos - Technology and Science, Cuareim 1483, 11100, Montevideo, Uruguay.
| | | | | | - Tales Dias do Prado
- Department of Surgery, Faculty of Medicine Veterinary, University of Rio Verde, Rio Verde, Brazil
| | - Berenice Anina Dedavid
- Department of Materials Engineering, Pontificia Universidade Católica do Rio Grande do Sul, Porto Alegre, 90619-900, Brazil
| | - Piedad N de Aza
- Department of Materials, Instituto de Bioingenieria, Universidad Miguel Hernández, Elche, Alicante, Spain
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Inter radicular bone dimensions in primary stability of immediate molar implants - A cone beam computed tomography retrospective analysis. Saudi Dent J 2021; 33:1091-1097. [PMID: 34938054 PMCID: PMC8665177 DOI: 10.1016/j.sdentj.2021.04.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 12/07/2020] [Accepted: 04/01/2021] [Indexed: 11/27/2022] Open
Abstract
Purpose The purpose of the study was to analyze the dimensions of socket morphology, interradicular bone dimensions, root length and morphology, buccal cortical bone thickness and gap defect between the implant bone in mandibular molars with cone beam computed tomography (CBCT) for immediate molar implant (IMI) placement. Materials and methods Sample sizes of 300 mandibular 1st and 2nd molars were each selected from the CBCT scans by inclusion and exclusion criteria. CBCT measurements were performed for socket size morphology, mesiodistal width, and buccolingual cancellous bone width at the crest at the apex. Width of the buccal cortical plate at the crest and interradicular bone (IRB) at the apex, 3 mm cervical to the apex and 6 mm cervical to the apex. Vertical parameters from the crest to furcation (L1), length from furcation to the apex (L2) and mesiodistal root morphology were measured to analyze the root configuration. Results All the parameters were analyzed for descriptive statistics for the mean and standard deviation. The majority were of Type B and C socket morphology with peri-implant bone defects of 2–2.5 mm, and the interradicular bone septum (IRB) was moderate for both first molar (1 M) and second molar (2 M) sites, but 2 M was shown to have less IRB than 1 M. Adequate buccal cortical bone thickness of 1.1 mm to 1.4 mm and buccolingual cancellous bone width were measured for both the 1 M and 2 M sites. Conclusion The morphology of the molar extraction socket determines the adequate stability for IMI. In mandibular molar teeth, where interradicular bone is incompetent in providing good primary stability, in addition to interradicular bone, clinicians should look for support from the apical bone and interdental septal bone for attaining primary stability of IMI.
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Yun J, Lee J, Ha CW, Park SJ, Kim S, Koo KT, Seol YJ, Lee YM. The effect of 3-D printed polylactic acid scaffold with and without hyaluronic acid on bone regeneration. J Periodontol 2021; 93:1072-1082. [PMID: 34773704 DOI: 10.1002/jper.21-0428] [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: 07/21/2021] [Revised: 08/18/2021] [Accepted: 09/20/2021] [Indexed: 11/09/2022]
Abstract
BACKGROUND Three- dimensional (3D) technology has been suggested to overcome these limitations in guided bone regeneration (GBR) procedures because 3D-printed scaffolds can be easily molded to patient-specific bone defect site. This study aimed to investigate the effect of 3-D printed polylactic acid (PLA) scaffolds with or without hyaluronic acid (HA) in a rabbit calvaria model. METHODS A calvaria defect with a diameter of 15 mm was created in 30 New Zealand white rabbits. The rabbits were randomly allocated into 3 groups including no graft group (control, n = 10) , 3D printed PLA graft group (3D-PLA, n = 10) , and 3D printed PLA with hyaluronic acid graft group (3D-PLA/HA, n = 10) . Five animals in each group were sacrificed at 4 and 12 weeks after surgery. Microcomputed tomography and histologic and histomorphometric analyses were performed. RESULTS Over the whole examination period, no significant adverse reactions were observed. There were no statistically significant differences in bone volume (BV) /tissue volume (TV) among the three groups at 4 weeks. However, the highest BV/TV was observed in the 3D-PLA/HA group at 12 weeks. The new bone area for control, 3D-PLA, and 3D-PLA/HA showed no statistical differences at 4 weeks. However, the value was significantly higher in the 3D-PLA and 3D-PLA/HA groups compared to the control group at 12 weeks. CONCLUSION The 3D printed PLA scaffolds was biocompatible and integrated well with bone defect margin. They were also provided the proper space for new bone formation. Therefore, 3D printed PLA/HA might be a potential tool to enhance bone augmentation. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Junseob Yun
- Department of Periodontology, School of Dentistry and Dental Research Institute, Seoul National University, 101, Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea
| | - Jungwon Lee
- Department of Periodontology, School of Dentistry and Dental Research Institute, Seoul National University, 101, Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea.,One-Stop Specialty Center, Seoul National University Dental Hospital, 101, Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea
| | - Cheol Woo Ha
- Advanced Joining and Additive Manufacturing R&D Department, Korea Institute of Industrial Technology, 113-58, Seohaean-ro, Siheung-si, Gyeonggi-do, 15014, Republic of Korea
| | - Seong Je Park
- Advanced Joining and Additive Manufacturing R&D Department, Korea Institute of Industrial Technology, 113-58, Seohaean-ro, Siheung-si, Gyeonggi-do, 15014, Republic of Korea
| | - Sungtae Kim
- Department of Periodontology, School of Dentistry and Dental Research Institute, Seoul National University, 101, Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea
| | - Ki-Tae Koo
- Department of Periodontology, School of Dentistry and Dental Research Institute, Seoul National University, 101, Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea
| | - Yang-Jo Seol
- Department of Periodontology, School of Dentistry and Dental Research Institute, Seoul National University, 101, Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea
| | - Yong-Moo Lee
- Department of Periodontology, School of Dentistry and Dental Research Institute, Seoul National University, 101, Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea
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Lilet R, Desiron M, Finelle G, Lecloux G, Seidel L, Lambert F. Immediate implant placement combining socket seal abutment and peri-implant socket filling: A prospective case series. Clin Oral Implants Res 2021; 33:33-44. [PMID: 34551159 DOI: 10.1111/clr.13852] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 04/02/2021] [Accepted: 05/18/2021] [Indexed: 11/28/2022]
Abstract
OBJECTIVES The aim of this prospective case series was to assess the implant outcomes as well as hard and soft tissue dimensional changes of immediate implant placement in posterior sites using a custom-made sealing socket abutment (SSA) combined to peri-implant socket filling (PISF). MATERIAL AND METHODS Twenty patients were considered for single extraction and immediate implant in upper or lower posterior regions. The remaining peri-implant sockets were filled with Deproteinized Bovine Bone Mineral. Based on intra-oral scans (IOS), custom-made SSAs were placed the same day. Implant survival rate, peri-implant bone changes, peri-implant health and pink esthetic score (PES) were recorded up to 1 year post-implant placement. Moreover, CBCT and IOS were performed to monitor hard and soft tissue dimensional changes. RESULTS One implant failed to osseointegrate leading to an implant survival rate of 95% after 1 year. Peri-implant bone changes yielded 0.19 ± 0.31 mm and 84.2% of the implants displayed no or mild bleeding on probing. Horizontal bone remodeling was not significant from baseline to 1 year at any levels. Finally, soft tissue profile was stable in the most cervical area while minor changes occurred during the first 6 months below the gingival margin. The absence of mid-buccal recession (0.07 mm) and good PES were found after 1 year. CONCLUSION Despite its limitations, this study showed that immediate implants in the posterior region using the SSA + PISF protocol resulted in promising implant outcomes with limited hard and soft tissue dimensional changes while decreasing the overall treatment time.
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Affiliation(s)
- Romane Lilet
- Department of Periodontology and Oral Surgery, University Hospital Center (CHU) of Liège, Liege, Belgium
| | - Martin Desiron
- Department of Removable and Implant Prosthesis, Faculty of Medicine, University of Liege, Liege, Belgium
| | - Gary Finelle
- Private Practice, Paris, France.,Harvard School of Dental Medicine, Boston, Massachusetts, USA
| | - Geoffrey Lecloux
- Department of Periodontology and Oral Surgery, University Hospital Center (CHU) of Liège, Liege, Belgium
| | - Laurence Seidel
- Department of Biostatistics and Medico-Economic Information, University Hospital of Liege, Liege, Belgium
| | - France Lambert
- Department of Periodontology and Oral Surgery, University Hospital Center (CHU) of Liège, Liege, Belgium.,Dental Biomaterials Research Unit (d-BRU), University of Liège, Liege, Belgium
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Guarnieri R, Di Nardo D, Di Giorgio G, Miccoli G, Testarelli L. Immediate non-submerged implants with laser-microtextured collar placed in the inter-radicular septum of mandibular molar extraction sockets associated to GBR: Results at 3-year. J Clin Exp Dent 2020; 12:e363-e370. [PMID: 32382386 PMCID: PMC7195691 DOI: 10.4317/jced.56277] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Accepted: 01/27/2020] [Indexed: 11/27/2022] Open
Abstract
Background The aim of the present study was to radiographically evaluate the vertical socket walls changes, and the peri-implant marginal bone remodelling, and clinicallly the soft tissues conditions around the non-submerged single implants placed into the inter radicular septum of mandibular molar sockets, associated with a collagen membrane, after 3 years of loading.
Material and Methods Thirty patients underwent to placement of a non-submerged implants with a laser-microtextured collar into the inter radicular septum of mandibular molar fresh extraction sockets. A collagen membrane and the mucoperiosteal flap were adapted around the neck of the implants, leaving the laser-microtextured collar to heal in a transmucosal fashion.
Results At the end of the follow-up period, no statistical differences were found for each radiographic measurements used for the examination of extraction sockets vertical bone changes. Compared to implants placement, at the end of the 3-year follow-up, the vertical radiographic mesial and distal peri-implant marginal bone levels showed a statistically significant gain of 0.9 (SD 0.5), and 1.0 mm (SD 0.6), respectively (P=0.037).
Conclusions In mandibular fresh extraction sockets, the method of GBR around transmucosal implants with laser-microtextured surface placed into the interadicular septum may be used successfully to counteract the ridge remodelling. Key words:Non-submerged implants, GBR, laser-microtextured collar.
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Affiliation(s)
- Renzo Guarnieri
- MD, DDS, Adjunct Professor Dept. of Dental and Maxillofacial Sciences, School of Dentistry, University La Sapienza, Rome, Italy
| | - Dario Di Nardo
- DDS, PhD, Dept. of Dental and Maxillofacial Sciences, School of Dentistry, University La Sapienza, Rome, Italy
| | - Gianni Di Giorgio
- DDS, PhD, Dept. of Dental and Maxillofacial Sciences, School of Dentistry, University La Sapienza, Rome, Italy
| | - Gabriele Miccoli
- DDS, PhD, Dept. of Dental and Maxillofacial Sciences, School of Dentistry, University La Sapienza, Rome, Italy
| | - Luca Testarelli
- DDS, PhD, Associated Professors, Dept. of Dental and Maxillofacial Sciences, School of Dentistry, University La Sapienza, Rome, Italy
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Alves-Rezende MCR, Capalbo LC, De Oliveira Limírio JPJ, Capalbo BC, Limírio PHJO, Rosa JL. The role of TiO 2 nanotube surface on osseointegration of titanium implants: Biomechanical and histological study in rats. Microsc Res Tech 2020; 83:817-823. [PMID: 32227674 DOI: 10.1002/jemt.23473] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 01/08/2020] [Accepted: 03/08/2020] [Indexed: 01/03/2023]
Abstract
The nanoscale surface of titanium has been studied to improve the cellular recognition of the biological microenvironment and to increase bone-implant interaction. The aim of this study was to analyze the effect of a titanium oxide (TiO2 ) nanotube surface with a machined surface on osseointegration tibia implants without primary stability. This study used an experimental design, divided into two groups (n = 16): commercially pure titanium machined implants (Cp-Ti Ma) and commercially pure titanium anodized implants (Cp-Ti An). Titanium nanotubes were produced by anodic oxidation, and the topography of surface was analyzed using field emission scanning microscope (FE-SEM). The implants (2.1 × 2.8 mm Ø) were surgically placed in the right tibia (defects with milling drill 2.5 × 3.2 mm Ø) of 32 Wistar male rats (250-300 g). The animals were euthanized at 7 weeks postoperatively. The maximum value of removal torque was measured (N/cm) in the right tibia half of each group (8 animals/8 tibiae); the other half of each group underwent a nondecalcified protocol, stained with Stevenel blue/Alizarin red, and the formation of bone tissue in close contact to the implant was measured. The obtained data were analyzed statistically (t test). Differences were considered statistically significant for α < 0.05. Cp-Ti An implants were significantly higher in removal torque and peri-implant bone healing compared with Cp-Ti Ma implants (p < .01). Within the limitations of this study, it was observed that the surface modification of titanium by anodization (TiO2 nanotubes) can improve osseointegration, and this may be very useful to reduce the time required for peri-implant bone formation.
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Affiliation(s)
- Maria C R Alves-Rezende
- Department of Dental Materials and Prosthodontics, Sao Paulo State University (UNESP), Araçatuba, Brazil
| | - Letícia C Capalbo
- Department of Dental Materials and Prosthodontics, Sao Paulo State University (UNESP), Araçatuba, Brazil
| | | | - Bruna C Capalbo
- Department of Dental Materials and Prosthodontics, Sao Paulo State University (UNESP), Araçatuba, Brazil
| | - Pedro H J O Limírio
- Integrated Dental Clinic Program, Faculty of Dentistry, Federal University of Uberlândia, Brazil
| | - Jorge L Rosa
- Lorena School of Engineering, Sao Paulo University, USP, Lorena, Brazil
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Iorio-Siciliano V, Ramaglia L, Blasi A, Bucci P, Nuzzolo P, Riccitiello F, Nicolò M. Dimensional changes following alveolar ridge preservation in the posterior area using bovine-derived xenografts and collagen membrane compared to spontaneous healing: a 6-month randomized controlled clinical trial. Clin Oral Investig 2019; 24:1013-1023. [PMID: 31286260 DOI: 10.1007/s00784-019-02979-w] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Accepted: 06/20/2019] [Indexed: 11/30/2022]
Abstract
OBJECTIVES To assess dimensional changes following alveolar ridge preservation using bovine-derived xenograft with 10% collagen and collagen membrane compared to ridge preservation by means of bovine-derived xenograft particles and collagen membrane or spontaneous healing in posterior sites. MATERIALS AND METHODS Forty subjects with 40 posterior teeth or roots candidate to extraction and presenting integrity of alveolar bone walls were randomly allocated into three groups. Patients of test group were treated by ridge preservation technique using bovine-derived xenograft with 10% collagen and collagen membrane; patients of control group 1 were treated by means of bovine-derived xenograft particles and collagen membrane while in patients of control group 2, no grafting was performed. Changes in vertical and horizontal bone dimensions were compared at baseline and after 6-month observation time. RESULTS Statistically significant differences between baseline and 6 month were observed in all groups in terms of vertical and horizontal bone resorption (p < 0.001), except for vertical resorption in control group 2. After 6-month intergroup comparisons showed not statistically significant changes between test and control groups in terms of alveolar bone changes (p > 0.05). CONCLUSIONS Within the limits of this study, the sites grafted using bovine-derived xenograft with 10% collagen in combination with a collagen membrane showed no statistical differences in terms of vertical and horizontal bone resorption compared to control groups. CLINICAL RELEVANCE Ridge preservation in posterior area failed to show clinically relevant benefits in sites presenting integrity of alveolar bone walls and adequate buccal bone wall thickness.
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Affiliation(s)
| | - Luca Ramaglia
- Department of Oral Surgery, University of Naples Federico II, Naples, Italy. .,Università di Napoli Federico II, Via Sergio Pansini, 5, 80131, Naples, Italy.
| | - Andrea Blasi
- Department of Periodontology, University of Naples Federico II, Naples, Italy
| | - Paolo Bucci
- Department of Oral Medicine, University of Naples Federico II, Naples, Italy
| | - Paolo Nuzzolo
- Department of Oral Medicine, University of Naples Federico II, Naples, Italy
| | - Francesco Riccitiello
- Department of Restorative Dentistry, University of Naples Federico II, Naples, Italy
| | - Michele Nicolò
- Department of Periodontology, University of Naples Federico II, Naples, Italy
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Liu H, Liu R, Wang M, Yang J. Immediate implant placement combined with maxillary sinus floor elevation utilizing the transalveolar approach and nonsubmerged healing for failing teeth in the maxillary molar area: A randomized controlled trial clinical study with one-year follow-up. Clin Implant Dent Relat Res 2019; 21:462-472. [PMID: 31044510 DOI: 10.1111/cid.12783] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND In previous studies, immediate implant placement in molar sites has been widely applied. PURPOSE To study the clinical effect and feasibility of immediate implant placement combined with maxillary sinus floor elevation utilizing the transalveolar approach and nonsubmerged healing for failing teeth in the maxillary molar area. MATERIAL AND METHODS Patients who required implantation surgry to replace a failing tooth in the maxilla molar region were selected. Patients were randomized into two groups: immediate implant placement combined with maxillary sinus floor elevation utilizing the transalveolar approach and nonsubmerged healing (test group) or delayed implant placement combined with maxillary sinus floor elevation utilizing the transalveolar approach and nonsubmerged healing (control group). The outcome criteria were the success rates of implants, Cone Beam Computer Tomography (CBCT) data and results of the subjective satisfaction survey performed with a visual analog scale (VAS). RESULTS All implants had good initial stability after implantation. The survival rate of implants was 100% at 1-year follow-up. At the time of permanent restoration, the differences in average horizontal shrinkage of alveolar bone (W1) on the buccal side between the test group (0.65 ± 0.12 mm) and the control group (1.23 ± 0.32 mm) were statistically significant (P < .0001); however, no statistically significant difference (P = .515) was observed on the palatal side (0.3 ± 0.10 mm vs 0.28 ± 0.08 mm). The difference in vertical resorption of alveolar bone (H1) on the buccal side between the test group (0.60 ± 0.18 mm) and the control group (1.53 ± 0.19 mm) was statistically significant (P < .0001), but no statistically significant difference (P = .190) in the reduction of palatal alveolar bone (0.24 ± 0.12 mm vs 0.29 ± 0.13 mm) was observed. After 1-year loading, no statistically significant difference (P > .05) in vertical or horizontal changes (W2, H2) were identified in the test group or control group. Patient satisfaction in both groups was similar (8.36 ± 1.01 vs 8.14 ± 1.35), and the difference between groups was not statistically significant (P = .638). CONCLUSION Immediate implant placement combined with maxillary sinus floor elevation utilizing the transalveolar approach and nonsubmerged healing is feasible for the maxillary molar area, and the clinical effect is satisfactory.
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Affiliation(s)
- Hanqing Liu
- Department of Oral and Maxillofacial Surgery, The Affiliated Hospital of Qingdao University, Shandong, China
| | - Renzhang Liu
- Department of Oral and Maxillofacial Surgery, The Affiliated Hospital of Qingdao University, Shandong, China
| | - Mingzhen Wang
- Department of Prosthodontics Qingdao, Qingdao Stomatological Hospital, Shandong, China
| | - Jianjun Yang
- Department of Oral and Maxillofacial Surgery, The Affiliated Hospital of Qingdao University, Shandong, China
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12
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Hattingh A, De Bruyn H, Vandeweghe S. A retrospective study on ultra‐wide diameter dental implants for immediate molar replacement. Clin Implant Dent Relat Res 2019; 21:879-887. [DOI: 10.1111/cid.12759] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2019] [Revised: 03/06/2019] [Accepted: 03/07/2019] [Indexed: 12/26/2022]
Affiliation(s)
- André Hattingh
- Periodontology and Oral Implantology, Dental School, Faculty of Medicine and Health SciencesGhent University Gent Belgium
- Private Practice for Periodontology and Oral Implantology Sevenoaks United Kingdom
| | - Hugo De Bruyn
- Periodontology and Oral Implantology, Dental School, Faculty of Medicine and Health SciencesGhent University Gent Belgium
- Section Implantology and Periodontology, Department of DentistryRadboud University Medical Centre Nijmegen The Netherlands
| | - Stefan Vandeweghe
- Reconstructive DentistryDental School, Faculty of Medicine and Health Sciences, Ghent University Gent Belgium
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13
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Lee J, Park D, Koo KT, Seol YJ, Lee YM. Validity of a regenerative procedure for a minor bone defect with immediate implant placement: a systematic review and meta-analysis. Acta Odontol Scand 2019; 77:99-106. [PMID: 30600736 DOI: 10.1080/00016357.2018.1508743] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
OBJECTIVE This systematic review evaluates implant survival and the change in the width of the horizontal ridge following immediate implant placement with or without a regenerative procedure. MATERIALS AND METHODS An electronic search of MEDLINE, EMBASE, and the LILACS database of the Cochrane Central Register of controlled trials was performed, along with a manual search, up to April 2018. Randomized controlled trials (RCTs) and quasi-randomized controlled clinical trials (CCTs) with >10 subjects were eligible for this systematic review. A meta-analysis of the risk difference in implant failure between the regenerative and non-regenerative procedure groups was performed using a fixed-effect model. In addition, a meta-analysis of the change in alveolar bone width was conducted using a fixed-effect model. RESULTS Seven studies (six RCTs and one CCT) were included. A meta-analysis of three studies found no statistically significant risk difference in implant failure between the regenerative procedure and non-regenerative procedure groups. A meta-analysis of four studies showed that horizontal shrinkage of the alveolar ridge in the site of immediate implant placement was statistically significantly lower with the regenerative procedure than without it (<1 year follow up studies: weighted mean difference (WMD) 0.75 mm, 95% confidence interval 0.41-1.09, p < .00001; ≥1 year follow up study: WMD 1.22, 95% confidence interval 0.52-1.91, p = .00006; total: WMD 0.84 mm, 95% confidence interval 0.53-1.14, p < .00001). CONCLUSION Within the study limitations, immediate implant placement with a regenerative procedure showed similar implant survival and less shrinkage of the ridge width than immediate implant placement without a regenerative procedure. Due to the high risk of bias and small sample sizes of the included studies, further clinical studies are warranted to draw definitive conclusions.
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Affiliation(s)
- Jungwon Lee
- Department of Periodontology and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Republic of Korea
| | - Dueun Park
- Department of Periodontology and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Republic of Korea
| | - Ki-Tae Koo
- Department of Periodontology and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Republic of Korea
| | - Yang-Jo Seol
- Department of Periodontology and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Republic of Korea
| | - Yong-Moo Lee
- Department of Periodontology and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Republic of Korea
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14
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Ketabi M, Birang E, Deporter D, Birang R, Mahabadi M, Atenafu E. Effectiveness of buccal pouch grafting in minimizing loss of alveolar dimension: A canine investigation. Dent Res J (Isfahan) 2019. [DOI: 10.4103/1735-3327.266087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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15
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Guarnieri R, Di Nardo D, Gaimari G, Miccoli G, Testarelli L. One-stage laser-microtextured implants immediately placed in the inter-radicular septum of molar fresh extraction sockets associated with GBR technique. A case series study. J Clin Exp Dent 2018; 10:e996-e1002. [PMID: 30386506 PMCID: PMC6203904 DOI: 10.4317/jced.54705] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Accepted: 07/05/2018] [Indexed: 11/05/2022] Open
Abstract
Background The outcome of one-stage trans-mucosal immediate implants with simultaneous guided bone regeneration (GBR) technique has become highly predictable. Furthermore, when this approach is performed to place one-stage implants into the inter-radicular septum of fresh extraction sockets in the molar region, the risk of incorrect emergence profile and off-angle loading is reduced. The aim of the present study was to clinically evaluate the horizontal hard and soft tissue changes, and radiographically the vertical socket walls remodeling, and the early peri-implant marginal bone loss (EMBL) following the placement of immediate one-stage implants in the inter-radicular septum of molar fresh extraction sockets, associated with a collagen membrane. Material and Methods Twenty patients were selected to receive a one-stage implant with laser-microtextured collar surface into the inter-radicular septum of a fresh molar extraction sockets, associated with a simultaneous placement of a collagen membrane. Intraoral radiographs and model casts were used for the evaluation. Correlation between the amount of the keratinized tissue thickness (KTT) with EMBL was also analyzed. Results After 4 months, the vertical radiographic mesial and distal EMBL around implants was of 0.06 ±0.01 mm and 0.04±0.02 mm, respectively, with no statistically significant difference between T0 and T1 (P >0.05). No statistical differences were found also for each radiographic measure used for the examination of implant sites vertical bone changes (p >0.05). Clinically, horizontal changes of the bucco-lingual central width were found statistically significant (p<0.05), whereas no statistical differences were found for bucco-lingual mesial and distal width changes (p >0.05). In addition, no statistically significant correlation between EMBL and the amount of KTT was found (P >0.05). Conclusions Results suggest that the immediate placement of one-stage laser-microtextured implants could provide advantages in preserving the extraction socket's hard and soft tissue remodeling, and the peri-implant marginal bone level before the prosthetic loading. Key words:One-stage implant, laser-microtextured collar surface, GBR, collagen membrane.
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Affiliation(s)
- Renzo Guarnieri
- MD DDS, Adjunct Professor. Dept. of Dental and Maxillofacial Sciences, School of Dentistry, University La Sapienza, Rome, Italy
| | - Dario Di Nardo
- DDS, PhD. Dept. of Dental and Maxillofacial Sciences, School of Dentistry, University La Sapienza, Rome, Italy
| | - Gianfranco Gaimari
- DDS, PhD. Dept. of Dental and Maxillofacial Sciences, School of Dentistry, University La Sapienza, Rome, Italy
| | - Gabriele Miccoli
- DDS, PhD. Dept. of Dental and Maxillofacial Sciences, School of Dentistry, University La Sapienza, Rome, Italy
| | - Luca Testarelli
- DDS, PhD, Associated Professors. Dept. of Dental and Maxillofacial Sciences, School of Dentistry, University La Sapienza, Rome, Italy
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16
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Kato T, Nakano T, Fujita Y, Kobayashi T, Yatani H. Influence of different implant operative procedures on morphologic changes in peri-implant alveolar bone and soft tissue: a one-year prospective clinical study. J Prosthodont Res 2018; 62:490-496. [DOI: 10.1016/j.jpor.2018.07.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Revised: 06/30/2018] [Accepted: 07/06/2018] [Indexed: 11/28/2022]
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17
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Gallucci GO, Hamilton A, Zhou W, Buser D, Chen S. Implant placement and loading protocols in partially edentulous patients: A systematic review. Clin Oral Implants Res 2018; 29 Suppl 16:106-134. [PMID: 30328194 DOI: 10.1111/clr.13276] [Citation(s) in RCA: 110] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/26/2018] [Indexed: 02/06/2023]
Abstract
OBJECTIVES To systematically review the evidence for the clinical outcome of fixed implant prostheses treated with different combinations of implant placement and loading protocols in partially edentulous patients. MATERIALS AND METHODS An electronic search was performed in Medline, Embase, and Central to identify studies investigating the outcome of implants subjected to immediate placement + immediate restoration/loading (Type 1A), immediate placement + early loading (Type 1B), immediate placement + conventional loading (Type 1C), early placement + immediate restoration/loading (Type 2-3A), early placement + early loading (Type 2-3B), early placement + conventional loading (Type 2-3C), late placement + immediate restoration/loading (Type 4A), late placement + early loading (Type 4B), late placement + conventional loading (Type 4C) with implant-supported fixed dental prostheses (IFDPs) in partially edentulous patients. Only human studies with at least 10 cases and a minimum follow-up time of 12 months, reporting on solid-screw-type implants with rough surfaces and an intra-osseous diameter between 3 and 6 mm, were included. A cumulative survival rate for each type of the implant placement and loading protocols was weighted by the duration of follow-up and number of implants. RESULTS The search provided 5,248 titles from which 2,362 abstracts and 449 full-text articles were screened. A total of 69 publications that comprised 23 comparative studies (15 randomized controlled trials, 7 controlled clinical trials) and 47 noncomparative studies (34 prospective cohort studies, 13 retrospective cohort studies) were included for analysis. Considerable heterogeneity in study design was found, and therefore, a meta-analysis of controlled studies was not possible. The weighted cumulative survival rate of each type of placement and loading protocol was 98.4% (Type 1A), 98.2% (Type 1B), 96.0% (Type 1C), 100% (Type 2-3B), 96.3% (Type 2-3C), 97.9% (Type 4A), 98.3% (Type 4B), and 97.7% (Type 4C). Type 1C, Type 2-3C, Type 4B, and Type 4C were scientifically and clinically validated (SCV). Type 1A, Type 1B, and Type 4A were clinically documented (CD), and Type 2-3A and Type 2-3B were clinically insufficiently documented (CID). CONCLUSIONS Evaluating outcomes in oral implantology by combining the placement and loading protocols are paramount. The selected loading protocol appears to influence the outcome of immediate implant placement.
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Affiliation(s)
- German O Gallucci
- Department of Restorative Dentistry and Biomaterials Sciences, Harvard School of Dental Medicine, Boston, Massachusetts
| | - Adam Hamilton
- Division of Regenerative and Implant Sciences, Department of Restorative Dentistry and Biomaterials Sciences, Harvard School of Dental Medicine, Boston, Massachusetts
| | - Wenjie Zhou
- Department of Restorative Dentistry and Biomaterials Sciences, Harvard School of Dental Medicine, Boston, Massachusetts
- Second Dental Clinic, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Daniel Buser
- Department of Oral Surgery and Stomatology, School of Dental Medicine, University of Bern, Bern, Switzerland
| | - Stephen Chen
- Melbourne Dental School, The University of Melbourne, Melbourne, Vic., Australia
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18
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Jung RE, Ioannidis A, Hämmerle CHF, Thoma DS. Alveolar ridge preservation in the esthetic zone. Periodontol 2000 2018; 77:165-175. [PMID: 29484712 DOI: 10.1111/prd.12209] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
In the esthetic zone, in the case of tooth extraction, the clinician is often confronted with a challenge regarding the optimal decision-making process for providing a solution using dental implants. This is because, after tooth extraction, alveolar bone loss and structural and compositional changes of the covering soft tissues, as well as morphological alterations, can be expected. Ideally, the therapeutic plan starts before tooth extraction and it offers three options: spontaneous healing of the extraction socket; immediate implant placement; and techniques for preserving the alveolar ridge at the site of tooth removal. The decision-making process mainly depends on: (i) the chosen time-point for implant placement and the ability to place a dental implant; (ii) the quality and quantity of soft tissue in the region of the extraction socket; (iii) the remaining height of the buccal bone plate; and (iv) the expected rates of implant survival and success. Based on scientific evidence, three time-periods for alveolar ridge preservation are described in the literature: (i) soft-tissue preservation with 6-8 weeks of healing after tooth extraction (for optimization of the soft tissues); (ii) hard- and soft-tissue preservation with 4-6 months of healing after tooth extraction (for optimization of the hard and soft tissues); and (iii) hard-tissue preservation with > 6 months of healing after tooth extraction (for optimization of the hard tissues).
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19
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Effect of Microthread Design on Marginal Bone Level Around Dental Implants Placed in Fresh Extraction Sockets. IMPLANT DENT 2017; 25:90-6. [PMID: 26540363 DOI: 10.1097/id.0000000000000350] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE This study was designed to compare radiographically the effect of microthread on the coronal portion of the fixture on marginal bone level (MBL) around immediately placed dental implants in human subjects. MATERIAL AND METHODS Forty-one roughened surface screw type Dentium oral implants (Dentium) were inserted in fresh extraction sockets of the anterior segment of maxilla of 30 patients. The implants were selected randomly using either microthread design on coronal portion of the fixture (Implantium) (test group) or without microthread thread design (Superline) (control group). MBL was measured using digital subtraction radiography technique after 3, 6, and 12 months. RESULTS At month 3, the microthread groups have been associated with more marginal bone loss than the control group (P = 0.04). At months 6 and 12, both groups had comparable bone levels (P = 0.21). CONCLUSION The microthread design of the implant collar could not have a positive effect in maintaining the MBL around implants placed in fresh extraction socket in anterior maxilla.
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20
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Pisoni L, Ordesi P, Siervo P, Bianchi AE, Persia M, Siervo S. Flapless Versus Traditional Dental Implant Surgery: Long-Term Evaluation of Crestal Bone Resorption. J Oral Maxillofac Surg 2016; 74:1354-9. [PMID: 26954560 DOI: 10.1016/j.joms.2016.01.053] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2015] [Revised: 01/27/2016] [Accepted: 01/28/2016] [Indexed: 12/20/2022]
Abstract
PURPOSE The literature reports that flapless compared with traditional implant surgery can be associated with several advantages, including the maintenance of peri-implant hard tissues. This study investigated vertical bone resorption during long-term follow-up after implant placement with flapless versus traditional surgery. MATERIAL AND METHODS In this prospective, randomized controlled clinical trial, 40 patients underwent implant placement at the Maxillofacial Department Surgery of the Istituto Stomatologico Italiano Hospital in Milan, Italy. Patients were randomly assigned to the control or experimental group. The control group had implants placed with open flap surgery (traditional surgery), whereas the experimental group had implants placed with flapless surgery. The distance between the first implant thread and the marginal crestal bone level was measured at the basal, loading, and long-term control points. The basal recording was performed just after implant placement. The loading measurement was recorded at the time of implant loading, after 2 months of healing for the lower jaw and after 3 months of healing for the upper jaw, and the long-term control record was registered 36 months after implant placement. Statistical analysis was performed using mean values and standard deviations based on bone resorption in the 2 groups. To detect statistical differences, the Student t test was applied. Differences were considered significant if P values were less than .05. RESULTS The control group (open flap surgery) was comprised of 19 patients, and the experimental group (flapless surgery) was comprised of 21 patients. No statistical differences were found in peri-implant bone resorption between the 2 groups at the basal, implant loading, and 3-year control recordings. CONCLUSION According to this study, the approach to implant surgery does not seem to influence peri-implant bone resorption in humans, at least for the period measured in this study.
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Affiliation(s)
- Luca Pisoni
- Resident, Maxillofacial Surgery Department, Istituto Stomatologico Italiano, Milan, Italy.
| | - Paolo Ordesi
- Resident, Maxillofacial Surgery Department, Istituto Stomatologico Italiano, Milan, Italy
| | | | - Andrea Edoardo Bianchi
- Department Head, Department of Periodontology, Istituto Stomatologico Italiano, Milan, Italy
| | - Marco Persia
- Resident, Maxillofacial Surgery Department, Istituto Stomatologico Italiano, Milan, Italy
| | - Sandro Siervo
- Scientific Director, Maxillofacial Surgery Department, Istituto Stomatologico Italiano, Milan, Italy
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Ketabi M, Deporter D, Atenafu EG. A Systematic Review of Outcomes Following Immediate Molar Implant Placement Based on Recently Published Studies. Clin Implant Dent Relat Res 2016; 18:1084-1094. [PMID: 26856388 DOI: 10.1111/cid.12390] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Immediate implant placement in molar extraction sites has become a treatment option for experienced clinicians. PURPOSE The aim of this study was to provide a systematic review and meta-analysis of outcomes from recent clinical studies with immediate molar implants. MATERIALS AND METHODS A systematic review was undertaken of relevant literature published from November 2008 to May 2015. Data collected included implant survival rates after at least 1 year in function, cumulative crestal bone loss, and implant location (maxilla vs mandible) and diameter. Implant diameters were grouped as "wide" (4-6 mm) or "ultra-wide" (>6-9 mm). Survival and bone loss with 95% CIs were calculated using a random effects model. Meta-analysis techniques were used to compare survival rates and cumulative mean bone loss between immediate and delayed placement implants. Survival rates also were computed and compared between wide and ultra-wide implants using chi-square testing. The quality of each study was assessed using established criteria. RESULTS The literature search provided 15 papers published between November 2008 and May 2015 that satisfied the inclusion criteria. Data on survival were found for a total of 768 immediate molar implants inserted in 757 patients. Meta-analysis of these data showed an implant survival rate of 98% with no difference between maxilla and mandible. Five studies included delayed molar implants as controls, and no significant differences were detected. A significant difference (p = .048) was found in relation to implant diameter with implant failures being higher (3.67 vs 1.45%) for ultra-wide (>6-9 mm) versus wide (4-6 mm) implants. The majority of the 15 studies were determined to be either "average" (prospective case series) or "fair" (retrospective) in quality. CONCLUSION While there are still no published reports from double-blind, randomized, controlled (best quality) clinical trials of immediate molar implant placement, high survival rates have been reported. The present data, however, suggests that there may be an optimal diameter for this implant application. Meta-analysis of the limited bone loss data reported estimated the overall mean cumulative bone loss after at least 1 year to be 0.57 mm.
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Affiliation(s)
- Mohammad Ketabi
- Professor, Department of Periodontology, Faculty of Dentistry, Islamic Azad University, Isfahan Branch, Isfahan, Iran
| | - Douglas Deporter
- professor, Discipline of Periodontology, Oral Reconstructive Center, Faculty of Dentistry, University of Toronto, Toronto, ON, Canada
| | - Eshetu G Atenafu
- Senior Biostatistician, Department of Biostatistics, University Health Network, Toronto, ON, Canada
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Dental Cone Beam Computed Tomography Analyses of the Anterior Maxillary Bone Thickness for Immediate Implant Placement. IMPLANT DENT 2015; 24:664-8. [DOI: 10.1097/id.0000000000000340] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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23
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Temple KE, Schoolfield J, Noujeim ME, Huynh-Ba G, Lasho DJ, Mealey BL. A cone beam computed tomography (CBCT) study of buccal plate thickness of the maxillary and mandibular posterior dentition. Clin Oral Implants Res 2015; 27:1072-8. [PMID: 26364803 DOI: 10.1111/clr.12688] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/28/2015] [Indexed: 11/29/2022]
Abstract
BACKGROUND Buccal plate thickness is of clinical importance in treatment planning for implants. The purpose of this study was to evaluate the buccal plate thickness in posterior dentate areas of both the maxilla and mandible using cone beam computed tomography in order to estimate the approximate distributions of this anatomic variable. METHODS Two hundred and sixty-five subjects were included for a total of nine hundred and thirty-four roots assessed by cone beam computed tomography. CBCT scans were taken and evaluated at the ideal buccolingual cross-sections of each root at 1 mm, 3 mm, and 5 mm apical to the alveolar crest to measure buccal plate thickness. Data are reported by geometric means and 95% confidence intervals. RESULTS Both arches demonstrated increasing buccal plate thickness from anterior to posterior. Maxillary teeth had a significant decrease in thickness from coronal to apical along the tooth root (P < 0.001), except at second molars. The first premolar and mesial root of the first molar were significantly thinner than all other roots in the maxilla. Conversely, the mandible demonstrated a significant increase in buccal plate thickness from coronal to apical (P < 0.001). The premolars were significantly thinner than all other roots. Age and sex were found to have limited impact on buccal plate thickness in both arches. CONCLUSIONS Buccal plate thickness is highly dependent upon the arch position, tooth location, and measurement point, but age and sex have limited impact.
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Affiliation(s)
| | - John Schoolfield
- Department of Periodontics, University of Texas Health Science Center San Antonio, San Antonio, TX, USA
| | - Marcel E Noujeim
- Department of Comprehensive Dentistry, University of Texas Health Science Center San Antonio, San Antonio, TX, USA
| | - Guy Huynh-Ba
- Department of Periodontics, University of Texas Health Science Center San Antonio, San Antonio, TX, USA
| | - David J Lasho
- Department of Periodontics, University of Texas Health Science Center San Antonio, San Antonio, TX, USA
| | - Brian L Mealey
- Department of Periodontics, University of Texas Health Science Center San Antonio, San Antonio, TX, USA
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Lee CT, Chiu TS, Chuang SK, Tarnow D, Stoupel J. Alterations of the bone dimension following immediate implant placement into extraction socket: systematic review and meta-analysis. J Clin Periodontol 2014; 41:914-26. [PMID: 24894299 DOI: 10.1111/jcpe.12276] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/28/2014] [Indexed: 01/05/2023]
Abstract
AIM This systematic review was aimed at analysing bone dimensional alterations within the first year following immediate implant placement. MATERIALS AND METHODS The electronic search was conducted using MEDLINE (PubMed), Cochrane Central Register of Controlled Trials (CENTRAL) and EMBASE from January 1980 to October 2013. Quality assessment of selected articles was performed using Cochrane Collaboration's tool or Newcastle-Ottawa scale according to the design of each study. A meta-analysis was performed to estimate bone dimensional reduction. Weighted mean differences in bone dimension between baseline and follow-up measurement were calculated. Subgroup analysis and mete-regression were conducted to evaluate the effects of different variables. RESULTS A total of 1348 articles were identified following the search process. Six studies were included in the present review. The weighted mean buccal horizontal bone dimensional reduction (BHDr) was 1.07 mm and buccal vertical bone dimensional reduction (BVDr) was 0.78 mm. The weighted mean palatal bone dimensional reduction was 0.62 mm horizontally (PHDr) and 0.50 mm vertically (PVDr). The initial thickness of the buccal alveolar plate (TB) of the socket was the only variable significantly correlated with BHDr and BVDr in meta-regression analysis. CONCLUSIONS The bone dimensions of immediate implant sites demonstrated approximately 0.5-1.0 mm reduction in vertical and horizontal aspects 4-12 months following surgery. The results should be interpreted with care because of the data heterogeneity. The correlation of the socket buccal wall thickness, and other variables, with dimensional changes of the bony ridge should be investigated further in controlled clinical trials.
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Affiliation(s)
- Chun-Teh Lee
- Division of Periodontology, Department of Oral Medicine, Infection and Immunity, Harvard School of Dental Medicine, Boston, MA, USA
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Abstract
BACKGROUND Following tooth extraction, the alveolar ridge will undergo dimensional changes. This change may complicate the subsequent restorative procedure when oral implants are chosen. "Alveolar ridge preservation" has been assessed in various studies. AIM To evaluate the more recent studies on this topic and to explore new insights under this topic. MATERIAL AND METHODS Animal studies and clinical studies have addressed different techniques. RESULTS AND CONCLUSIONS Implants placed into the fresh extraction sockets do not prevent the resorption of the alveolar bone. Simultaneous guided bone regeneration could partially resolve alveolar bone resorption. The use of root-formed implants does not preserve alveolar ridges. Moreover, various bone substitutes have been tested: magnesium-enriched hydroxyapatite, human demineralized bone matrix, and deproteinized bovine bone mineral have been shown to be effective in ridge preservation. Applying the guided bone regeneration principle using bone substitutes together with a collagen membrane has shown clear effects on preserving alveolar ridge height as well as ridge width. Soft tissue grafts or primary closure did not show beneficial effect on preserving the alveolar bone.
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Affiliation(s)
- Ren E Wang
- The University of Hong Kong, Prince Philip Dental Hospital, Hong Kong SAR, PR China
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Bone substitutes for peri-implant defects of postextraction implants. Int J Biomater 2013; 2013:307136. [PMID: 24454377 PMCID: PMC3876702 DOI: 10.1155/2013/307136] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2013] [Revised: 11/08/2013] [Accepted: 11/11/2013] [Indexed: 11/25/2022] Open
Abstract
Placement of implants in fresh sockets is an alternative to try to reduce physiological resorption of alveolar ridge after tooth extraction. This surgery can be used to preserve the bone architecture and also accelerate the restorative procedure. However, the diastasis observed between bone and implant may influence osseointegration. So, autogenous bone graft and/or biomaterials have been used to fill this gap. Considering the importance of bone repair for treatment with implants placed immediately after tooth extraction, this study aimed to present a literature review about biomaterials surrounding immediate dental implants. The search included 56 articles published from 1969 to 2012. The results were based on data analysis and discussion. It was observed that implant fixation immediately after extraction is a reliable alternative to reduce the treatment length of prosthetic restoration. In general, the biomaterial should be used to increase bone/implant contact and enhance osseointegration.
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Soft and Hard Tissues Healing at Immediate Transmucosal Implants Placed Into Molar Extraction Sites With Collagen Membrane Uncovered. IMPLANT DENT 2013; 22:474-80. [DOI: 10.1097/id.0b013e3182a03d14] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Abstract
Background: Recently, the use of one-piece implants (OPI) has become more popular. Since no reports specifically focus on OPIs inserted in molar areas, a retrospective study has been performed. Materials and Methods: A series of 36 OPIs (Diamond; BIOIMPLANT, Milan, Italy) were inserted into the molar area of patients admitted at the Dental Clinic, University of Chieti, Italy, for oral rehabilitation between January and December 2010. Results: In our series survival rate (SVR) and success rate (SCR) were 91.7% and 97%, respectively. Statistical analysis demonstrated that no studied variable has an impact on survival (i.e., lost implants) as well as on clinical success (i.e., crestal bone resorption). Conclusion: OPIs are reliable devices for oral rehabilitation in the molar areas.
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Affiliation(s)
- Francesco Carinci
- Department of Medical-Surgical Sciences of Communication and Behavior, Section of Maxillofacial and Plastic Surgery, University of Ferrara, Ferrara, Italy
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Waasdorp J, Feldman S. Bone Regeneration Around Immediate Implants Utilizing a Dense Polytetrafluoroethylene Membrane Without Primary Closure: A Report of 3 Cases. J ORAL IMPLANTOL 2013; 39:355-61. [DOI: 10.1563/aaid-joi-d-10-00128] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Case reports document successful use of a high-density polytetrafluorethylene membrane to augment horizontal defects associated with immediately placed implants. This membrane, which is designed to withstand exposure (not require primary closure) to the oral cavity because it is impervious to bacteria, reduces the need for advanced flap management to attain primary closure. Thus, the surgical aspect is less complex and the mucogingival architecture of the area can be maintained. These cases demonstrate successful use of this application and provide evidence for controlled clinical trials to further evaluate this technique.
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Antunes AA, Oliveira Neto P, de Santis E, Caneva M, Botticelli D, Salata LA. Comparisons between Bio-Oss®and Straumann®Bone Ceramic in immediate and staged implant placement in dogs mandible bone defects. Clin Oral Implants Res 2011; 24:135-42. [DOI: 10.1111/j.1600-0501.2011.02385.x] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/20/2011] [Indexed: 11/29/2022]
Affiliation(s)
- Antonio A. Antunes
- Oral and Maxillofacial Surgery; University of São Paulo; São Paulo; Brazil
| | | | - Enzo de Santis
- Faculty of Dentistry of Aracatuba; University of the State of São Paulo; São Paulo; Brazil
| | - Marco Caneva
- Faculty of Dentistry of Aracatuba; University of the State of São Paulo; São Paulo; Brazil
| | | | - Luiz A. Salata
- Oral and Maxillofacial Surgery and Periodontics; University of Sao Paulo; São Paulo; Brazil
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Urban T, Kostopoulos L, Wenzel A. Immediate implant placement in molar regions: a 12-month prospective, randomized follow-up study. Clin Oral Implants Res 2011; 23:1389-97. [DOI: 10.1111/j.1600-0501.2011.02319.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/27/2011] [Indexed: 11/27/2022]
Affiliation(s)
- Thomas Urban
- Department of Oral Radiology & Department of Oral & Maxillofacial Surgery and Oral Pathology; School of Dentistry; Aarhus University; Aarhus C; Denmark
| | | | - Ann Wenzel
- Department of Oral Radiology; School of Dentistry; Aarhus University; Aarhus C; Denmark
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Caneva M, Botticelli D, Pantani F, Baffone GM, Rangel Jr IG, Lang NP. Deproteinized bovine bone mineral in marginal defects at implants installed immediately into extraction sockets: an experimental study in dogs. Clin Oral Implants Res 2011; 23:106-12. [DOI: 10.1111/j.1600-0501.2011.02202.x] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Urban T, Kostopoulos L, Wenzel A. Immediate implant placement in molar regions: risk factors for early failure. Clin Oral Implants Res 2011; 23:220-227. [PMID: 21457353 DOI: 10.1111/j.1600-0501.2011.02167.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Thomas Urban
- Department of Oral Radiology and Department of Oral & Maxillofacial Surgery, School of Dentistry, Aarhus University, Aarhus C, DenmarkPrivate Practice, Aabyhoej, DenmarkDepartment of Oral Radiology, School of Dentistry, Aarhus University, Aarhus C, Denmark
| | - Lambros Kostopoulos
- Department of Oral Radiology and Department of Oral & Maxillofacial Surgery, School of Dentistry, Aarhus University, Aarhus C, DenmarkPrivate Practice, Aabyhoej, DenmarkDepartment of Oral Radiology, School of Dentistry, Aarhus University, Aarhus C, Denmark
| | - Ann Wenzel
- Department of Oral Radiology and Department of Oral & Maxillofacial Surgery, School of Dentistry, Aarhus University, Aarhus C, DenmarkPrivate Practice, Aabyhoej, DenmarkDepartment of Oral Radiology, School of Dentistry, Aarhus University, Aarhus C, Denmark
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Caneva M, Botticelli D, Stellini E, Souza SLS, Salata LA, Lang NP. Magnesium-enriched hydroxyapatite at immediate implants: a histomorphometric study in dogs. Clin Oral Implants Res 2010; 22:512-7. [PMID: 21143533 DOI: 10.1111/j.1600-0501.2010.02040.x] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
AIM To evaluate the influence of magnesium-enriched hydroxyapatite (MHA) (SintLife(®)) on bone contour preservation and osseointegration at implants placed immediately into extraction sockets. MATERIAL AND METHODS In the mandibular pre-molar region, implants were installed immediately into extraction sockets of six Labrador dogs. MHA was placed at test sites, while the control sites did not receive augmentation materials. Implants were intended to heal in a submerged mode. After 4 months of healing, the animals were sacrificed, and ground sections were obtained for histomorphometric evaluation. RESULTS After 4 months of healing, one control implant was not integrated leaving n=5 test and control implants for evaluation. Both at the test and the control sites, bone resorption occurred. While the most coronal bone-to-implant contact was similar between test and control sites, the alveolar bony crest outline was maintained to a higher degree at the buccal aspect of the test sites (loss: 0.7 mm) compared with the control sites (loss: 1.2 mm), even though this difference did not reach statistical significance. CONCLUSIONS The use of MHA to fill the defect around implants placed into the alveolus immediately after tooth extraction did not contribute significantly to the maintenance of the contours of the buccal alveolar bone crest.
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Affiliation(s)
- Marco Caneva
- UNESP - Faculty of Dentistry of Araçatuba, São Paulo State University, Brazil
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Caneva M, Botticelli D, Salata LA, Scombatti Souza SL, Carvalho Cardoso L, Lang NP. Collagen membranes at immediate implants: a histomorphometric study in dogs. Clin Oral Implants Res 2010; 21:891-7. [PMID: 20497441 DOI: 10.1111/j.1600-0501.2010.01946.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
AIM To evaluate the influence of resorbable membranes on hard tissue alterations and osseointegration at implants placed into extraction sockets in a dog model. MATERIAL AND METHODS In the mandibular premolar region, implants were installed immediately into the extraction sockets of six Labrador dogs. Collagen-resorbable membranes were placed at the test sites, while the control sites were left uncovered. Implants were intended to heal in a submerged mode. After 4 months of healing, the animals were sacrificed, and ground sections were obtained for histomorphometric evaluation. RESULTS After 4 months of healing, a control implant was not integrated (n=5). Both at the test and at the control sites, bone resorption occurred. While the most coronal bone-to-implant contact was similar between the test and the control sites, the alveolar bone crest outline was maintained to a higher degree at the buccal aspect of the test sites (loss: 1.7 mm) compared with the control sites (loss: 2.2 mm). CONCLUSIONS The use of collagen-resorbable membranes at implants immediately placed into extraction sockets contributed to a partial (23%) preservation of the buccal outline of the alveolar process.
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Affiliation(s)
- Marco Caneva
- UNESP - Faculty of Dentistry of Araçatuba, São Paulo State University, SP, Brazil
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