Ten years of experience with the anterior maxillary and mandibular osteoplasty (class IV ridges): a retrospective analysis of implant survival rates

Laverick, Sean; Summerwill, Anthony; Cawood, J.I.

doi:10.1016/j.ijom.2007.12.007

Cited by 9 publications

(20 citation statements)

References 18 publications

(12 reference statements)

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“…Nevertheless, implant survival in grafted areas could be a function of residual bone supporting the dental implant rather than grafted bone and does not comply with the success criteria defined by Albrektsson and colleagues. Accordingly, a recent systemic review concluded that survival rates of implants placed into augmented areas were comparable with those of implants placed into pristine bone irrespective of the graft resorption rate .…”

Section: Discussionmentioning

confidence: 99%

“…It is well known that the important factors affecting bone graft survival and hence the bone quality of the implant site are graft stability, the vascularity of the recipient bed, and the osteogenic potential of the grafted bone. Allogenous cancellous block grafts seem to be an adequate scaffold for good vascularization with osteoinductive and osteoconductive properties, but do not provide sufficient rigidity to withstand tension from the overlying soft tissues or from the compression by provisional restorations and may compromise the stability, determining greater and fast bone resorption . On the contrary, blocks with cortical bone will provide rigidity for fixation and also prevent resorption during the healing phase, but impair the remodeling process and integration of the graft because of the poor vascularization of the onlay.…”

Section: Discussionmentioning

confidence: 99%

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Horizontal Resorption of Fresh‐Frozen Corticocancellous Bone Blocks in the Reconstruction of the Atrophic Maxilla at 5 Months

Pereira

Messias

Dias

et al. 2014

Clin Implant Dent Rel Res

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BackgroundReliable implant-supported rehabilitation of an alveolar ridge needs sufficient volume of bone. In order to achieve a prosthetic-driven positioning, bone graft techniques may be required.PurposeThis prospective cohort study aims to clinically evaluate the amount of resorption of corticocancellous fresh-frozen allografts bone blocks used in the reconstruction of the severe atrophic maxilla.Materials and MethodsTwenty-two partial and totally edentulous patients underwent bone augmentation procedures with fresh-frozen allogenous blocks from the iliac crest under local anesthesia. Implants were inserted into the grafted sites after a healing period of 5 months. Final fixed prosthesis was delivered ± 4 months later. Ridge width analysis and measurements were performed with a caliper before and after grafting and at implant insertion. Bone biopsies were performed in 16 patients.ResultsA total of 98 onlay block allografts were used in 22 patients with an initial mean alveolar ridge width of 3.41 ± 1.36 mm. Early exposure of blocks was observed in four situations and one of these completely resorbed. Mean horizontal bone gain was 3.63 ± 1.28 mm (p < .01). Mean buccal bone resorption between allograph placement and the reopening stage was 0.49 ± 0.54 mm, meaning approximately 7.1% (95% confidence interval: [5.6%, 8.6%]) of total ridge width loss during the integration period. One hundred thirty dental implants were placed with good primary stability (≥ 30 Ncm). Four implants presented early failure before the prosthetic delivery (96.7% implant survival). All patients were successfully rehabilitated. Histomorphometric analysis revealed 20.9 ± 5.8% of vital bone in close contact to the remaining grafted bone. A positive strong correlation (adjusted R2 = 0.44, p = .003) was found between healing time and vital bone percentage.ConclusionsAugmentation procedures performed using fresh-frozen allografts from the iliac crest are a suitable alternative in the reconstruction of the atrophic maxilla with low resorption rate at 5 months, allowing proper stability of dental implants followed by fixed prosthetic rehabilitation.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Horizontal Resorption of Fresh‐Frozen Corticocancellous Bone Blocks in the Reconstruction of the Atrophic Maxilla at 5 Months

Pereira

Messias

Dias

et al. 2014

Clin Implant Dent Rel Res

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“…On the other hand, the onlay block of cortico‐cancellous bone is often grafted for the reconstruction of alveolar ridge. Depending on the series of research, the cumulative survival of implant is 80–90% because of the bone resorption 20 . For that reason, particulated bone graft was performed in the present study.…”

Section: Discussionmentioning

confidence: 99%

Alveolar Ridge Reconstruction with Titanium Mesh and Autogenous Particulate Bone Graft: Computed Tomography‐Based Evaluations of Augmented Bone Quality and Quantity

Miyamoto

Funaki

Yamauchi

et al. 2011

Clin Implant Dent Rel Res

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“…Papers were excluded due to: a followup period of time was less than 4 years, [18, 19], success rate was not described [20, 21], paper did not state the success rate at the exact time of 4 years [22], papers limited to case series [23, 24] literature or systematic reviews [25, 26]. Six implant papers were excluded two of which did not state success rate [27, 28], success rate not at four years [29] and review studies [30–32]. …”

Section: Resultsmentioning

confidence: 99%

Comparison of the Success Rate of Endodontic Treatment and Implant Treatment

Elemam

Pretty

2011

ISRN Dentistry

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Dentists and patients are facing a perplexity between saving a compromised tooth through endodontic treatment and restoration or by extraction and replacement with an implant. The purpose of this paper was to compare the success rates of these two treatments. Success was measured as the longevity of the tooth or implant. Studies which met strict inclusion criteria to ensure best evidence were included. Searches were performed in Ovid Medline, Pubmed, Scopus database, and the Cochrane Library. Evidence-based groups were formed following the assessment of inclusion/exclusion criteria. The overall success rates for primary endodontic, nonsurgical retreatment, and surgical treatment were (86.02%), (78.2%), and (63.4%), respectively, implants was 90.9%. In conclusion, choice between implant and endodontic therapy cannot be exclusively based on outcome as both treatments differ in the biological process, diagnostic modalities, failure patterns, and patients preferences. More research is required with improved study designs before long-term success rates can be compared.

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Ten years of experience with the anterior maxillary and mandibular osteoplasty (class IV ridges): a retrospective analysis of implant survival rates

Cited by 9 publications

References 18 publications

Horizontal Resorption of Fresh‐Frozen Corticocancellous Bone Blocks in the Reconstruction of the Atrophic Maxilla at 5 Months

Horizontal Resorption of Fresh‐Frozen Corticocancellous Bone Blocks in the Reconstruction of the Atrophic Maxilla at 5 Months

Alveolar Ridge Reconstruction with Titanium Mesh and Autogenous Particulate Bone Graft: Computed Tomography‐Based Evaluations of Augmented Bone Quality and Quantity

Comparison of the Success Rate of Endodontic Treatment and Implant Treatment

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