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Retrospective cohort study of rough-surface titanium implants with at least 25 years’ function

BACKGROUND: The longitudinal clinical outcomes over decades contribute to know potential factors leading to implant failure or complications and help in the decision of treatment alternatives. METHODS: The cases of all patients who received dental implants treated with titanium plasma-sprayed surfac...

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Autores principales: Horikawa, Tadashi, Odatsu, Tetsurou, Itoh, Takatoshi, Soejima, Yoshiki, Morinaga, Hutoshi, Abe, Naruyoshi, Tsuchiya, Naoyuki, Iijima, Toshikazu, Sawase, Takashi
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer Berlin Heidelberg 2017
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5585117/
https://www.ncbi.nlm.nih.gov/pubmed/28875460
http://dx.doi.org/10.1186/s40729-017-0101-7
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author Horikawa, Tadashi
Odatsu, Tetsurou
Itoh, Takatoshi
Soejima, Yoshiki
Morinaga, Hutoshi
Abe, Naruyoshi
Tsuchiya, Naoyuki
Iijima, Toshikazu
Sawase, Takashi
author_facet Horikawa, Tadashi
Odatsu, Tetsurou
Itoh, Takatoshi
Soejima, Yoshiki
Morinaga, Hutoshi
Abe, Naruyoshi
Tsuchiya, Naoyuki
Iijima, Toshikazu
Sawase, Takashi
author_sort Horikawa, Tadashi
collection PubMed
description BACKGROUND: The longitudinal clinical outcomes over decades contribute to know potential factors leading to implant failure or complications and help in the decision of treatment alternatives. METHODS: The cases of all patients who received dental implants treated with titanium plasma-sprayed surfaces and whose prostheses were set in the period 1984–1990 at seven private practices were retrospectively analyzed. The cumulative survival rate, the cumulative incidence of peri-implantitis, and the complication-free prosthesis rate were calculated with Kaplan-Meier survival curves, and the factors’ influence on implant survival rate and the incidence of peri-implantitis were determined by a single factor in univariate analyses and multivariate analyses. RESULTS: A total of 223 implants and 106 prostheses were applied to 92 patients, and approx. 62% of the implants and patients dropped out over the 25 years following their treatment. The cumulative survival rates of the implants at 10, 15, and 25 years were 97.4, 95.4, and 89.8%, respectively. A significant difference was observed in the implant position. The cumulative incidences of peri-implantitis at 10, 15, and 25 years were 15.3, 21.0, and 27.9%, respectively. Significant differences were observed in the gender, implant type, and width of keratinized mucosa around the implant. The cumulative survival rates of mechanical complication-free prostheses at 10, 15, and 25 years were 74.9, 68.8, and 56.4%, respectively. The difference in the type of prosthesis resulted in significant differences. CONCLUSIONS: The high rate of dropout during follow-up indicates the difficulty of determining long-term (> 25 years) prognoses. The gender, location, and width of keratinized mucosa affected the development of peri-implantitis, resulting in late failures. Implant-supported overdentures were frequently repaired. Tooth implant-supported prostheses are not recommended for long-term survival.
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spelling pubmed-55851172017-09-22 Retrospective cohort study of rough-surface titanium implants with at least 25 years’ function Horikawa, Tadashi Odatsu, Tetsurou Itoh, Takatoshi Soejima, Yoshiki Morinaga, Hutoshi Abe, Naruyoshi Tsuchiya, Naoyuki Iijima, Toshikazu Sawase, Takashi Int J Implant Dent Research BACKGROUND: The longitudinal clinical outcomes over decades contribute to know potential factors leading to implant failure or complications and help in the decision of treatment alternatives. METHODS: The cases of all patients who received dental implants treated with titanium plasma-sprayed surfaces and whose prostheses were set in the period 1984–1990 at seven private practices were retrospectively analyzed. The cumulative survival rate, the cumulative incidence of peri-implantitis, and the complication-free prosthesis rate were calculated with Kaplan-Meier survival curves, and the factors’ influence on implant survival rate and the incidence of peri-implantitis were determined by a single factor in univariate analyses and multivariate analyses. RESULTS: A total of 223 implants and 106 prostheses were applied to 92 patients, and approx. 62% of the implants and patients dropped out over the 25 years following their treatment. The cumulative survival rates of the implants at 10, 15, and 25 years were 97.4, 95.4, and 89.8%, respectively. A significant difference was observed in the implant position. The cumulative incidences of peri-implantitis at 10, 15, and 25 years were 15.3, 21.0, and 27.9%, respectively. Significant differences were observed in the gender, implant type, and width of keratinized mucosa around the implant. The cumulative survival rates of mechanical complication-free prostheses at 10, 15, and 25 years were 74.9, 68.8, and 56.4%, respectively. The difference in the type of prosthesis resulted in significant differences. CONCLUSIONS: The high rate of dropout during follow-up indicates the difficulty of determining long-term (> 25 years) prognoses. The gender, location, and width of keratinized mucosa affected the development of peri-implantitis, resulting in late failures. Implant-supported overdentures were frequently repaired. Tooth implant-supported prostheses are not recommended for long-term survival. Springer Berlin Heidelberg 2017-09-05 /pmc/articles/PMC5585117/ /pubmed/28875460 http://dx.doi.org/10.1186/s40729-017-0101-7 Text en © The Author(s). 2017 Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
spellingShingle Research
Horikawa, Tadashi
Odatsu, Tetsurou
Itoh, Takatoshi
Soejima, Yoshiki
Morinaga, Hutoshi
Abe, Naruyoshi
Tsuchiya, Naoyuki
Iijima, Toshikazu
Sawase, Takashi
Retrospective cohort study of rough-surface titanium implants with at least 25 years’ function
title Retrospective cohort study of rough-surface titanium implants with at least 25 years’ function
title_full Retrospective cohort study of rough-surface titanium implants with at least 25 years’ function
title_fullStr Retrospective cohort study of rough-surface titanium implants with at least 25 years’ function
title_full_unstemmed Retrospective cohort study of rough-surface titanium implants with at least 25 years’ function
title_short Retrospective cohort study of rough-surface titanium implants with at least 25 years’ function
title_sort retrospective cohort study of rough-surface titanium implants with at least 25 years’ function
topic Research
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5585117/
https://www.ncbi.nlm.nih.gov/pubmed/28875460
http://dx.doi.org/10.1186/s40729-017-0101-7
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