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Verification of a computer-aided replica technique for evaluating prosthesis adaptation using statistical agreement analysis
The Journal of Advanced Prosthodontics ; : 358-363, 2017.
Artigo em Inglês | WPRIM | ID: wpr-31726
ABSTRACT

PURPOSE:

The purpose of this study was to evaluate the reliability of computer-aided replica technique (CART) by calculating its agreement with the replica technique (RT), using statistical agreement analysis. MATERIALS AND

METHODS:

A prepared metal die and a metal crown were fabricated. The gap between the restoration and abutment was replicated using silicone indicator paste (n = 25). Gap measurements differed in the control (RT) and experimental (CART) groups. In the RT group, the silicone replica was manually sectioned, and the marginal and occlusal gaps were measured using a microscope. In the CART group, the gap was digitized using optical scanning and image superimposition, and the gaps were measured using a software program. The agreement between the measurement techniques was evaluated by using the 95% Bland-Altman limits of agreement and concordance correlation coefficients (CCC). The least acceptable CCC was 0.90.

RESULTS:

The RT and CART groups showed linear association, with a strong positive correlation in gap measurements, but without significant differences. The 95% limits of agreement between the paired gap measurements were 3.84% and 7.08% of the mean. The lower 95% confidence limits of CCC were 0.9676 and 0.9188 for the marginal and occlusal gap measurements, respectively, and the values were greater than the allowed limit.

CONCLUSION:

The CART is a reliable digital approach for evaluating the fit accuracy of fixed dental prostheses.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Próteses e Implantes / Silício / Silicones / Técnicas de Réplica / Prótese Dentária / Coroas Idioma: Inglês Revista: The Journal of Advanced Prosthodontics Ano de publicação: 2017 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Próteses e Implantes / Silício / Silicones / Técnicas de Réplica / Prótese Dentária / Coroas Idioma: Inglês Revista: The Journal of Advanced Prosthodontics Ano de publicação: 2017 Tipo de documento: Artigo