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Taxa de sobrevivência e sucesso e complicações das reabilitações com implantes dentários efetuadas em programa de pós-graduação : análise retrospetiva de 5 anos
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Objetivo: avaliar sistematicamente as taxas de sobrevivência e sucesso clínico de implantes dentários e suas reabilitações protéticas realizadas em ambiente de pós-graduação universitária na área da reabilitação oral. Como objetivos secundários, definiu-se identificar possíveis causas de insucesso, complicações biológicas e mecânicas, e eventuais associações entre variáveis demográficas e clínicas. Materiais e Métodos: estudo de coorte retrospectivo incluindo pacientes submetidos a reabilitações implanto-suportadas nas Pós-Graduações de Reabilitação Oral da <br/>FMD-UCP (entre 2020 e 2025). Os dados foram obtidos através das plataformas informáticas utilizadas na clínica dentária universitária, e organizados numa folha de cálculo. As variáveis analisadas incluíram dados demográficos, história médica e dentária, informação cirúrgica e protética dos implantes, bem como complicações associadas. As taxas cumulativas de sucesso e sobrevivência, e possíveis associações entre variáveis, foram analisadas com estatísticas descritivas e inferenciais. Resultados: 58 pacientes (32 homens e 26 mulheres) com uma média de idade de 60,2 anos), correspondendo a 172 implantes e 165 próteses. A taxa de sobrevivência implantar foi de 93,0%, com um follow-up médio de 27,5 meses. Na última consulta de controlo, 52 implantes (30,2%) não cumpriam os critérios de sucesso clínico. As complicações biológicas afetaram 42 implantes (24,4%), incluindo perda precoce do implante (n=11; 6,4%), perda tardia (n=1; 0,6%), mucosite peri-implantar (n=25; <br/>14,5%), peri-implantite (n=1; 0,6%) e outras complicações (n=4; 2,3%). As complicações mecânicas ocorreram em 19 casos (11,1%), incluindo desaperto de parafusos (n=11; 6,4%), fratura de parafusos (n=2; 1,2%) e fratura de próteses provisórias (n=6; 3,5%). O follow-up médio das reabilitações foi de 25,4 meses. Conclusão: a elevada taxa de sobrevivência foi consistente com a literatura. As menores taxas de sucesso observadas durante o follow-up refletem os desafios socioeconómicos e de literacia em saúde oral inerentes ao contexto universitário. A <br/>implementação de protocolos obrigatórios de manutenção e higiene oral é essencial para reduzir complicações nesta população.
Objective: to systematically evaluate survival rates and clinical success of dental implants and prosthetic rehabilitations performed within a postgraduate program at the Faculty of Dental Medicine of “Universidade Católica Portuguesa”. Secondary objectives include identifying potential causes of failure, biological and mechanical complications, and analyze possible associations with demographic and clinical variables, including surgical and prosthetic factors. Materials & Methods: retrospective cohort study including patients who underwent implant-supported prosthetic rehabilitations at the Postgraduate Program in Oral Rehabilitation (2020–2025), that features annual editions for 8 students. Data were retrieved from electronic medical records, imaging software, and Straumann AXS® platform, and then consolidated into a comprehensive database in Excel®Microsoft. Analyzed variables included demographics, medical history, dental implants surgical/prosthetic data, and complications. Cumulative success, failure, and survival rates were assessed through qualitative and quantitative statistical analyses. Results: 58 patients (32 males, 26 females; mean age 60.2) were included, with 172 implants and 165 prostheses. Implant survival rate was 93.0% with a mean follow-up time of 27.5 months. However, in the last follow-up appointments, 52 implants (30.2%) did not meet clinical success criteria. Biological complications affected 42 implants (24.4%), including early implant loss (n=11; 6.4%), late implant loss (n=1; 0.6%), peri-implant mucositis (n=25; 14.5%), peri-implantitis (n=1; 0.6%) and others (n=4; 2.3%). Mechanical complications occurred in 19 cases (11.1%) comprising screw loosening <br/>(n=11; 6.4%), screw fractures (n=2; 1.2%), and fractures of interim prosthesis (n=6; 3.5%). Mean follow-up time of the rehabilitation was 25.4 months. Conclusion: high survival rate was consistent with literature. Implant loss was primarily associated with biological complications and endogenous factors rather than operator-related variables. Lower success rates during follow-up appointments reflect the socio-economic and oral health literacy challenges inherent to the university setting. Implementing mandatory oral hygiene maintenance protocols is essential to <br/>mitigate complications in this population.
Objective: to systematically evaluate survival rates and clinical success of dental implants and prosthetic rehabilitations performed within a postgraduate program at the Faculty of Dental Medicine of “Universidade Católica Portuguesa”. Secondary objectives include identifying potential causes of failure, biological and mechanical complications, and analyze possible associations with demographic and clinical variables, including surgical and prosthetic factors. Materials & Methods: retrospective cohort study including patients who underwent implant-supported prosthetic rehabilitations at the Postgraduate Program in Oral Rehabilitation (2020–2025), that features annual editions for 8 students. Data were retrieved from electronic medical records, imaging software, and Straumann AXS® platform, and then consolidated into a comprehensive database in Excel®Microsoft. Analyzed variables included demographics, medical history, dental implants surgical/prosthetic data, and complications. Cumulative success, failure, and survival rates were assessed through qualitative and quantitative statistical analyses. Results: 58 patients (32 males, 26 females; mean age 60.2) were included, with 172 implants and 165 prostheses. Implant survival rate was 93.0% with a mean follow-up time of 27.5 months. However, in the last follow-up appointments, 52 implants (30.2%) did not meet clinical success criteria. Biological complications affected 42 implants (24.4%), including early implant loss (n=11; 6.4%), late implant loss (n=1; 0.6%), peri-implant mucositis (n=25; 14.5%), peri-implantitis (n=1; 0.6%) and others (n=4; 2.3%). Mechanical complications occurred in 19 cases (11.1%) comprising screw loosening <br/>(n=11; 6.4%), screw fractures (n=2; 1.2%), and fractures of interim prosthesis (n=6; 3.5%). Mean follow-up time of the rehabilitation was 25.4 months. Conclusion: high survival rate was consistent with literature. Implant loss was primarily associated with biological complications and endogenous factors rather than operator-related variables. Lower success rates during follow-up appointments reflect the socio-economic and oral health literacy challenges inherent to the university setting. Implementing mandatory oral hygiene maintenance protocols is essential to <br/>mitigate complications in this population.
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Implante dentário Educação em medicina dentária Seguimentos Taxa de sobrevivência Implantes dentários/complicações Dental implant Dental education Follow-up study Survival rate Dental implants/complications
Contexto Educativo
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Sem licença CC