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

Autor: Di Murro B; Oral Surgery Unit, Department of Oral and Maxillo-Facial Sciences, 'Sapienza' University of Rome, Via Caserta 6, 00161, Rome, Italy., Canullo L; Private Practice, Rome, Italy., Pompa G; Oral Surgery Unit, Department of Oral and Maxillo-Facial Sciences, 'Sapienza' University of Rome, Via Caserta 6, 00161, Rome, Italy., Di Murro C; Private Practice, Rome, Italy., Papi P; Oral Surgery Unit, Department of Oral and Maxillo-Facial Sciences, 'Sapienza' University of Rome, Via Caserta 6, 00161, Rome, Italy. piero.papi@uniroma1.it.
Jazyk: angličtina
Zdroj: Clinical oral investigations [Clin Oral Investig] 2021 Jul; Vol. 25 (7), pp. 4553-4561. Date of Electronic Publication: 2021 Jan 14.
DOI: 10.1007/s00784-020-03769-5
Abstrakt: 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.
(© 2021. The Author(s).)
Databáze: MEDLINE
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