Flapless Postextraction Socket Implant Placement in the Esthetic Zone: Part 1. The Effect of Bone Grafting and/or Provisional Restoration on Facial-Palatal Ridge Dimensional Change—A Retrospective Cohort Study

2014 ◽  
Vol 34 (3) ◽  
pp. 323-331 ◽  
Author(s):  
Dennis Tarnow ◽  
Stephen Chu ◽  
Maurice Salama ◽  
Christian Stappert ◽  
Henry Salama ◽  
...  
Keyword(s):  
Cohort Study ◽  
Retrospective Cohort Study ◽  
Bone Grafting ◽  
Retrospective Cohort ◽  
Dimensional Change ◽  
Implant Placement ◽  
Provisional Restoration

Costs and clinical outcomes of implant placement during ablative surgery and postponed implant placement in curative oral oncology: a five-year retrospective cohort study

2017 ◽  
Vol 28 (11) ◽  
pp. 1433-1442 ◽  
Author(s):  
Jan-Willem G. H. Wetzels ◽  
Gert J. Meijer ◽  
Ron Koole ◽  
Eddy M. Adang ◽  
Matthias A. W. Merkx ◽  
...  
Keyword(s):  
Cohort Study ◽  
Clinical Outcomes ◽  
Retrospective Cohort Study ◽  
Retrospective Cohort ◽  
Implant Placement ◽  
Ablative Surgery ◽  
Oral Oncology

Long-term changes in graft height after maxillary sinus augmentation, onlay bone grafting, and combination of both techniques: a long-term retrospective cohort study

2012 ◽  
Vol 25 (2) ◽  
pp. e38-e46 ◽  
Author(s):  
Christian Schmitt ◽  
Tarek Karasholi ◽  
Rainer Lutz ◽  
Jörg Wiltfang ◽  
Friedrich-Wilhelm Neukam ◽  
...  
Keyword(s):  
Cohort Study ◽  
Maxillary Sinus ◽  
Retrospective Cohort Study ◽  
Bone Grafting ◽  
Retrospective Cohort ◽  
Sinus Augmentation ◽  
Maxillary Sinus Augmentation ◽  
Long Term Changes

Immediate implant placement into posterior sockets with or without buccal bone dehiscence defects: A retrospective cohort study

2017 ◽  
Vol 65 ◽  
pp. 95-100 ◽  
Author(s):  
Chen Hu ◽  
Ting Gong ◽  
Weimin Lin ◽  
Quan Yuan ◽  
Yi Man
Keyword(s):  
Cohort Study ◽  
Retrospective Cohort Study ◽  
Retrospective Cohort ◽  
Implant Placement ◽  
Immediate Implant

scholarly journals Outcomes and complication rates of different bone grafting modalities in long bone fracture nonunions: a retrospective cohort study in 182 patients

2013 ◽  
Vol 8 (1) ◽  
pp. 33 ◽  
Author(s):  
Michael A Flierl ◽  
Wade R Smith ◽  
Cyril Mauffrey ◽  
Kaan Irgit ◽  
Allison E Williams ◽  
...  
Keyword(s):  
Cohort Study ◽  
Bone Fracture ◽  
Retrospective Cohort Study ◽  
Bone Grafting ◽  
Retrospective Cohort ◽  
Long Bone ◽  
Complication Rates ◽  
Long Bone Fracture ◽  
Fracture Nonunions

Prevalence of neuropathic pain and sensory alterations after dental implant placement in a university-based oral surgery department: A retrospective cohort study

Gerodontology ◽  
2018 ◽  
Vol 35 (2) ◽  
pp. 117-122 ◽  
Author(s):  
Eduardo Vázquez-Delgado ◽  
Marta Viaplana-Gutiérrez ◽  
Rui Figueiredo ◽  
Tara Renton ◽  
Cosme Gay-Escoda ◽  
...  
Keyword(s):  
Neuropathic Pain ◽  
Cohort Study ◽  
Dental Implant ◽  
Retrospective Cohort Study ◽  
Retrospective Cohort ◽  
Oral Surgery ◽  
Implant Placement ◽  
Surgery Department

scholarly journals Incidence of complications in secondary alveolar bone grafting of bilateral clefts with premaxillary osteotomy: a retrospective cohort study

2019 ◽  
Vol 24 (2) ◽  
pp. 915-925 ◽  
Author(s):  
Gerhard K. P. Bittermann ◽  
Robert J. J. van Es ◽  
Adrianus P. de Ruiter ◽  
Michael H. Frank ◽  
Arnold J. N. Bittermann ◽  
...  
Keyword(s):  
Cohort Study ◽  
Retrospective Cohort Study ◽  
Bone Grafting ◽  
Retrospective Cohort ◽  
Alveolar Bone ◽  
Alveolar Bone Grafting ◽  
Secondary Alveolar Bone Grafting

scholarly journals Evaluation of the surgical and prosthetic success of All-on-4 restorations: a retrospective cohort study of provisional vs. definitive immediate restorations

2021 ◽  
Vol 7 (1) ◽  
Author(s):  
Michael Korsch ◽  
Winfried Walther ◽  
Matthias Hannig ◽  
Andreas Bartols
Keyword(s):  
Cohort Study ◽  
Survival Rate ◽  
Retrospective Cohort Study ◽  
Retrospective Cohort ◽  
Complication Rates ◽  
Success Rates ◽  
Posterior Maxilla ◽  
Male Patients ◽  
Provisional Restoration ◽  
Observation Period

Abstract Background All-on-4 concept allows an immediate restoration, which is frequently a provisional restoration (PR), and will be replaced by a definitive restoration (DR) a few months later. However, this approach involves much higher treatment efforts and costs, compared to a DR immediately after implantation. PRs were mostly incorporated in the introductory phase of the All-on-4 concept in our respective clinics. Today, PRs are only used for referred patients and bimaxillary restorations. The aim of the study was to investigate whether PRs and DRs have comparable success rates. Methods A total of 126 patients with 136 All-on-4 restorations supported by 544 implants were included in this retrospective cohort study. The observation period was 1 year. In 42 cases, a PR was placed initially and replaced by a DR 3 months later. In 94 cases, a DR was placed immediately. Biological, technical, and severe (loss of an implant or PR/DR) complications associated with PRs and DRs were compared. The absence of a serious complication was considered a success. Results A total of 27 patients were affected by 33 complications, 19 biological (2 PR and 17 DR) and 14 technical (6 in PR and 8 in DR) in the first 3 months. Eight patients had ten severe complications (1 PR and 9 DR). Severe complications were all implant losses. Implant survival rate was 98.2% (99.4% PR and 97.6 DR), and restoration survival rate was 94.4% (97.6% PR and 92.6% DR). Six out of the ten implant losses occurred in the posterior maxillae of male patients. After 3 months, ten complications occurred in six patients within 1 year. One of these complications was an implant loss in the posterior maxillae of a male patient. Conclusion PRs and DRs showed comparable complication rates during the observation period. Only in male patients did implant losses occur more frequently in the posterior maxilla.

scholarly journals Prevalence and treatment of retrograde peri-implantitis: a retrospective cohort study covering a 20-year period

2021 ◽  
Author(s):  
Bianca Di Murro ◽  
Luigi Canullo ◽  
Giorgio Pompa ◽  
Carlo Di Murro ◽  
Piero Papi
Keyword(s):  
Cohort Study ◽  
Retrospective Cohort Study ◽  
Retrospective Cohort ◽  
Clinical Symptoms ◽  
Implant Placement ◽  
Report Data ◽  
Implant Treatment ◽  
Residual Lesions ◽  
Observation Period

Abstract Objectives The aims of this retrospective study were to report data on the prevalence of retrograde peri-implantitis (RPI) in a single-center in a 20-year observation period and to evaluate implant survival after surgical treatment. Materials and methods A retrospective cohort study was conducted screening all patients who underwent implant treatment in a private practice. Patients were enrolled if they had one or more implants showing a radiolucency around the implant apex, without implant mobility. Furthermore, clinical symptoms of RPI and days from symptoms’ appearance after implant placement were also collected, as well as periodontal and endodontic status of nearby teeth. All patients were treated with the same surgical approach: antibiotic therapy, mechanical curettage, chemical decontamination and xenograft application. Results Out of the 1749 implants placed, only 6 implants were classified as affected by RPI, with a prevalence of 0.34%. Clinical symptoms of RPI (pain, swelling, dull percussion or fistula presence) varied among patients and were reported after a mean period of 51.83 ± 52.43 days. Conclusions RPI was successfully treated with surgical curettage and bone substitute application and all implants are still in place after a mean follow-up of 8.83 ± 5.34 years. Clinical relevance Bacteria from teeth with failed endodontic treatment or residual lesions might be reactivated by drilling for implant osteotomy, with subsequent colonization of the implant apex and possible failure before prosthetic loading. Therefore, it might be recommended to take a periapical x-ray at implant placement and after 6–8 weeks in order to intercept RPI before prostheses delivery.

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