Comparison of two computerized occlusal analysis systems for indicating occlusal contacts.
Computerized occlusal analyzer
Occlusal contact
Occlusal indicator
T-scan, Accura
Journal
The journal of advanced prosthodontics
ISSN: 2005-7806
Titre abrégé: J Adv Prosthodont
Pays: Korea (South)
ID NLM: 101521064
Informations de publication
Date de publication:
Apr 2020
Apr 2020
Historique:
received:
27
11
2019
revised:
28
02
2020
accepted:
04
03
2020
entrez:
8
5
2020
pubmed:
8
5
2020
medline:
8
5
2020
Statut:
ppublish
Résumé
The purpose of this study was to compare the performance of Accura to that of the T-scan for indicating occlusal contacts. Twenty-four subjects were selected. Their maxillary dental casts were scanned with a model scanner. The Stereolithography files of the casts were positioned to align with the occlusal plane. Occlusal surfaces of every tooth were divided into three to six anatomic regions. T-scan and Accura recordings were made during two masticatory cycles. The T-scan and Accura images were captured at the maximum bite force and overlapped to the cast. Photographs of interocclusal records were used as the reference during overlap. The occlusal contacts were counted to compare the T-scan and Accura. McNemar's test was used for statistical significance and the corresponding P-values were calculated from a chi-square distribution with one degree of freedom. The accuracy, sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) of Accura were calculated relative to the T-scan values as a control. No statistical differences ( Accura could be another possible option as a computerized occlusal analysis system for indicating occlusal contacts at maximum intercuspation.
Identifiants
pubmed: 32377316
doi: 10.4047/jap.2020.12.2.49
pmc: PMC7183850
doi:
Types de publication
Journal Article
Langues
eng
Pagination
49-54Informations de copyright
© 2020 The Korean Academy of Prosthodontics.
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