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|Scopus||Web of Science®||Altmetric|
|Title:||Patterns and forces of occlusal contacts during lateral excursions recorded by the T-Scan II system in young Chinese adults with normal occlusions|
|Citation:||Journal of Oral Rehabilitation, 2011; 38(8):571-578|
|Publisher:||Blackwell Science Ltd|
|Y.-L. Wang, J. Cheng, Y.-M. Chen, K. H.-K. Yip, R. J. Smales|
|Abstract:||The objective was to characterise the patterns and forces of occlusal contacts during lateral mandibular excursions in a young Chinese adult population. Angle Class I normal occlusions in 85 dental students aged 20–29 were evaluated using the T-Scan II occlusal imaging and analysis system. The frequency of occlusal contacts was recorded for right and left lateral excursions at the position of lateral disclusion, at the canine-to-canine position and at the lateral maximal position. At the canine-to-canine position, the occlusal contact patterns were classified, and the relative forces were compared by multiple regression analysis, with α = 0·05. At the position of lateral disclusion, a high percentage of canine contacts (58·5%) and individual posterior tooth contacts on the working side was observed. At the canine-to-canine position, the canines on the working side contacted most frequently (68·9%), and the occlusal contact patterns could be classified into six groups. At the lateral maximal position, incisors (39·0%) and canines (32·3%) contacted most frequently. At the canine-to-canine position, subjects with occlusal contacts only on canines or on first premolars on the working side had the lowest relative occlusal forces (P < 0·001). Canine protection and group function do not identify all descriptors for lateral occlusal contact patterns in the natural dentition. Six occlusal contact patterns were found at the lateral canine-to-canine position.|
|Rights:||© 2011 Blackwell Publishing Ltd.|
|Appears in Collections:||Aurora harvest|
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