Comparative Evaluation of Masticatory Efficiency in Various Facial Forms of Dentate and Rehabilitated Complete Denture Patients.

Radhika Krishnan C, K N Swamy, Sujatha P, Meenakshi S, Anupama Aradya
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Abstract

Purpose: To evaluate the masticatory efficiency of dentate and rehabilitated complete denture patients in various facial forms.

Materials and methods: A total of 60 subjects were selected for the study; 30 subjects belonged to the dentate group (D Group) and 30 subjects belonged to the completely edentulous group rehabilitated with conventional complete dentures (CECD Group). All patients were divided into a subgroup (brachyfacial, mesofacial, and dolichofacial facial forms) using facial index measurement and cephalometric analysis. After the subjects were divided into groups, masticatory efficiency testing was performed with spectrophotometric analysis using diluted expectorate of chewed natural beetroot test food (10, 15, and 20 strokes). The mean absorbance value was considered as the mean masticatory efficiency from which the average masticatory efficiency percentage was determined using a masticatory efficiency percentage equation and considered as the masticatory efficiency of that particular subject.

Results: Statistical analysis revealed that in the D Group, brachyfacial subjects exhibited the highest masticatory efficiency (70.9 ± 12.64%), followed by mesofacial (60.6% ± 10.66%) and dolichofacial (34.3% ± 10.81%) subjects. In the CECD groups, the results for brachyfacial were highest (52.7% ± 8.11%), followed by the mesofacial (42.3% ± 6.52%), and dolichofacial (29.3% ± 7.76%) subjects.

Conclusions: Along with other determinant factors, facial form plays an influential role on masticatory efficiency. Brachyfacial subjects exhibited the highest masticatory efficiency, followed by mesofacial and dolichofacial subjects in both study groups.

牙齿和修复后全口义齿患者不同面部形态咀嚼效率的比较评估。
目的:评价不同面部形态的牙齿和修复后全口义齿患者的咀嚼效率。材料和方法:根据纳入标准,共选择60名受试者进行研究。其中30名受试者属于齿状组(D),30名受检者属于用常规全口义齿修复的完全无牙组(CECD)。使用面部指数测量和头影测量分析,他们被分为短面部、中面部和多面部。之后,他们使用咀嚼过的天然测试食物甜菜根(10、15和20次中风)的稀释咳痰进行分光光度分析,进行咀嚼效率测试。所获得的吸光度值的平均值被认为是平均咀嚼效率。使用咀嚼效率百分比方程确定平均咀嚼效率百分比,并将其视为该特定受试者的咀嚼效率。结果:统计分析显示,在牙齿受试者(D)组中,近面部受试者的咀嚼效率最高(70.9±12.64%),其次是中面部受试器(60.6±10.66%)和多面部受试物(34.3±10.81%)。在采用传统全口义齿(CECD)修复的完全无牙受试者中,近面亚组(52.7±8.11%)、中面亚组、多面亚组分别为42.3±6.52%和29.3±7.76%。在这两个研究组中,近脸受试者的咀嚼效率最高,其次是中脸和面部受试者。
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