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Masticatory efficiency in patients with partially dentate dentitions
Zhengwei Shao1, Xiaojing Guo1, Qian Zhang2
1Department of Stomatology, Shanghai Jiao Tong University affiliated Sixth People's Hospital, Yishan Road 600, Shanghai, PR China.
Journal of Dentistry
|May 14, 2018
Summary
Reduced natural dentition, particularly fewer than 10 teeth per jaw or impaired premolar regions, significantly impacts masticatory performance and chewing difficulties in adults. Maintaining adequate teeth is crucial for oral function.
Area of Science:
- Oral health research
- Dental functional status assessment
- Masticatory performance evaluation
Background:
- Masticatory performance and dental functional status are crucial for overall health.
- Perceived chewing problems can significantly impact quality of life.
- Understanding the link between dentition status and chewing efficiency is vital.
Purpose of the Study:
- To assess associations between masticatory performance, dental functional status, and perceived chewing problems.
- To identify predictors of reduced masticatory efficiency in adults with natural teeth.
- To evaluate chewing difficulties with soft and hard foods.
Main Methods:
- Included 387 adults with reduced natural dentitions.
- Utilized oral examinations, questionnaires, and a two-color chewing gum test for masticatory efficiency.
- Employed multivariate regression and likelihood ratios within a hierarchical dental functional classification system.
Main Results:
- Lower objective masticatory efficiency correlated with self-reported chewing difficulties.
- Fewer than 10 teeth in each jaw and an impaired premolar region were key predictors of low masticatory efficiency.
- The predictor 'less than 10 teeth in each jaw' showed the highest likelihood for chewing problems with hard foods.
Conclusions:
- Perceived chewing difficulties in partially dentate individuals are linked to reduced objective masticatory efficiency.
- Dental functional status, specifically tooth count and premolar integrity, significantly predicts masticatory efficiency.
- Preserving at least 10 teeth per jaw and 3-4 premolars is recommended to prevent chewing difficulties.
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