Article ; Online: Prevalence and treatment of retrograde peri-implantitis: a retrospective cohort study covering a 20-year period.
2021 Volume 25, Issue 7, Page(s) 4553–4561
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 ... ...
| 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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| MeSH term(s) | Dental Implantation, Endosseous ; Dental Implants ; Humans ; Peri-Implantitis/diagnostic imaging ; Peri-Implantitis/epidemiology ; Peri-Implantitis/therapy ; Prevalence ; Retrospective Studies |
| Chemical Substances | Dental Implants |
| Language | English |
| Publishing date | 2021-01-14 |
| Publishing country | Germany |
| Document type | Journal Article |
| ZDB-ID | 1364490-7 |
| ISSN | 1436-3771 ; 1432-6981 |
| ISSN (online) | 1436-3771 |
| ISSN | 1432-6981 |
| DOI | 10.1007/s00784-020-03769-5 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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