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Open AccessArticle

Influence of Removing or Leaving the Prosthesis after Regenerative Surgery in Peri-Implant Defects: Retrospective Study: 32 Clinical Cases with 2 to 8 Years of Follow-Up

1
Department of Periodontics and Dental Implants, Universidad de Sevilla, 41009 Seville, Spain
2
Porto Dental Institute, 4150-518 Porto, Portugal
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2021, 18(2), 645; https://doi.org/10.3390/ijerph18020645
Received: 8 December 2020 / Revised: 5 January 2021 / Accepted: 11 January 2021 / Published: 13 January 2021
(This article belongs to the Special Issue Impact of Dental Implants on Oral Health)
Purpose: The aim of this retrospective study was to compare the influence of removing or not removing a prosthesis after regenerative surgery on peri-implant defects. Methods: Two different groups were compared (Group 1: removing the prosthesis; Group 2: maintaining the prosthesis), analyzing radiographic bone filling (n = 32 implants) after regenerative treatment in periapical radiographs. The peri-implant defects were measured before and after regenerative treatment using Bio-Oss® (Geistlich Pharma, Wohhusen, Switzerland) and a reabsorbable collagen membrane (Jason®, Botis, Berlin, Germany), the healing period was two years after peri-implant regenerative surgery. Statistical analysis was performed, and a Chi square test was carried out. To determine the groups that made the difference, corrected standardized Haberman residuals were used, and previously a normality test had been applied; therefore, an ANOVA or Mann–Whitney U test was used for the crossover with the non-normal variables in Group 1 and Group 2. Results: The results obtained suggest that a regenerative procedure with xenograft, resorbable membrane, and detoxifying the implant surface with hydrogen peroxide form a reliable technique to achieve medium-term results, obtaining an average bone gain at a radiographic level of 2.84 mm (±1.78 mm) in patients whose prosthesis was not removed after peri-implant bone regenerative therapy and 2.18 mm (±1.41 mm) in patients whose prosthesis was removed during the healing period. Conclusions: There are no statistically significant differences in the response to treatment when removing or keeping the prosthesis after regenerative surgery in peri-implant defects. View Full-Text
Keywords: peri-implantitis; regenerative surgery; peri-implant defects peri-implantitis; regenerative surgery; peri-implant defects
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MDPI and ACS Style

Astolfi, V.; Gómez-Menchero, A.; Ríos-Santos, J.V.; Bullón, P.; Galeote, F.; Ríos-Carrasco, B.; Bullón de la Fuente, B.; Herrero-Climent, M. Influence of Removing or Leaving the Prosthesis after Regenerative Surgery in Peri-Implant Defects: Retrospective Study: 32 Clinical Cases with 2 to 8 Years of Follow-Up. Int. J. Environ. Res. Public Health 2021, 18, 645.

AMA Style

Astolfi V, Gómez-Menchero A, Ríos-Santos JV, Bullón P, Galeote F, Ríos-Carrasco B, Bullón de la Fuente B, Herrero-Climent M. Influence of Removing or Leaving the Prosthesis after Regenerative Surgery in Peri-Implant Defects: Retrospective Study: 32 Clinical Cases with 2 to 8 Years of Follow-Up. International Journal of Environmental Research and Public Health. 2021; 18(2):645.

Chicago/Turabian Style

Astolfi, Víctor; Gómez-Menchero, Alberto; Ríos-Santos, José V.; Bullón, Pedro; Galeote, Francisco; Ríos-Carrasco, Blanca; Bullón de la Fuente, Beatriz; Herrero-Climent, Mariano. 2021. "Influence of Removing or Leaving the Prosthesis after Regenerative Surgery in Peri-Implant Defects: Retrospective Study: 32 Clinical Cases with 2 to 8 Years of Follow-Up" Int. J. Environ. Res. Public Health 18, no. 2: 645.

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