Risk Factors Associated with Mini-Implant Failure: A Retrospective Study

Risk Factors Associated with Mini-Implant Failure: A Retrospective Study

This study aimed to evaluate the failure rate of mini-implants used at the orthodontic external clinic, Egas Moniz School of Health and Science. A retrospective cross-sectional investigation was performed. This included the insertion of 232 TADs into 125 consecutive patients and was always performed...

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Bibliographic Details
Published in:Medical sciences forum Vol. 22; no. 1; p. 30
Main Authors: Maria de Fátima Martins, Pedro Mariano Pereira, Hélder Nunes Costa, Iman Bugaighis
Format: Journal Article
Language:English
Published: MDPI AG 01-08-2023
Subjects:
mini-implant
miniscrew
orthodontic
skeletal anchorage
temporary anchorage device
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Summary:This study aimed to evaluate the failure rate of mini-implants used at the orthodontic external clinic, Egas Moniz School of Health and Science. A retrospective cross-sectional investigation was performed. This included the insertion of 232 TADs into 125 consecutive patients and was always performed with an immediate loading protocol. The examined variables were: gender, age, Angle’s classification, presence of pathologies, medication, smoking, receiving jaw, placement side, and insertion site. Descriptive statistics were used and inferential analysis was performed, revealing the six-month failure rate of the used TADs to be 25%. A significant association was found between being a smoker, the failure rate (p = 0.036), and the placement site (p = 0.003).
ISSN:2673-9992
DOI:10.3390/msf2023022030