Correlation between occlusal contact area at various levels of interocclusal thicknesses and masticatory performance

咀嚼力 前磨牙 牙科 口腔正畸科 接触面积 臼齿 材料科学 医学 复合材料
作者
Hyeseon Lee,Kyung‐Ho Ko,Yoon‐Hyuk Huh,Lee‐Ra Cho,Chan‐Jin Park
出处
期刊:Journal of Oral Rehabilitation [Wiley]
卷期号:49 (5): 522-528 被引量:11
标识
DOI:10.1111/joor.13292
摘要

This study aimed to determine the correlation between occlusal contact area and masticatory performance using BiteEye® , a photo occlusal analysis device and the multiple sieve method.To calculate the occlusal contact area at various levels of interocclusal thicknesses and to measure masticatory performance with peanuts as the test material.Fifty-two adults (30 men and 22 women) were enrolled according to specific exclusion/inclusion criteria. The occlusal contact area was measured by obtaining the interocclusal record of the maximum intercuspal position (MIP) using silicone impression material. Occlusal contact area measurements were performed in the ranges of 0-149, 0-89, 0-59, 0-29 and 0-9 μm. Masticatory performance was measured by obtaining the median particle size (X 50 ) after converting the weight of comminuted peanuts into size using the multiple sieve method. Statistical analysis was performed at 95% significance level.Interocclusal thickness comparison revealed the highest correlation with X 50 in the 0-149 μm range. Stronger correlations between the occlusal contact area and X 50 were observed in cases of 20 strokes of mastication (r = -.451) than in cases of 10 strokes (r = -.383), in the posterior occlusal contact area (r = -.456) than in the full arch occlusal contact area (r = -.451) and the molar area (r = -.478) than in the premolar area (r = -.296).The larger the occlusal contact area, the higher the masticatory performance; this correlation was statistically significant. Regarding interocclusal thickness, the highest correlation between the occlusal contact area and masticatory performance was observed in the 0-149 μm range.GWNUDH IRB 2020-A001.
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