A Study on Evaluation Methods of Masticatory Ability for Complete Denture Wearers. Correlation between Evaluation Using a Questionnaire and Masticatory Performance.

Uchida, Tatsuro; Takahashi, Yasuki; Murakami, T; Hayakawa, Isao

doi:10.5357/koubyou.69.188

Cited by 3 publications

(2 citation statements)

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“…The Yamamoto method was first published to evaluate the ability level of denture wearers, mainly regarding masticatory function, including psychological aspects from foods that can be ingested, and it has become the basis of many subsequent studies [23][24][25][26][27] . In the Yamamoto method, hard pickled radish, boiled rice cakes, peanuts, and hard Japanese crackers are shown in the four corners of the form as representative foods that are difficult to eat for patients with edentulous jaws.…”

Section: Discussionmentioning

confidence: 99%

Comparison of three representative subjective evaluations of chewing function

Uchida

Sato

Shichita

et al. 2022

Showa Univ J Med Sci

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In 2018, oral hypofunction was registered officially as a disease in Japan. It is important to detect oral hypofunction symptoms early in patients, before frank oral dysfunction symptoms occur. Subjective evaluations of chewing function, which help to identify foods that cannot be chewed, might be useful in diagnosing oral hypofunction. Previous evaluations used to identify patients with oral hypofunction used varying standards, making it impossible to compare and integrate them without first developing a unified screening method. This study aimed to compare and integrate known evaluation methods that are useful for diagnosing oral hypofunction. A total of 76 elderly participants (aged ＞65 years) were enrolled after providing consent to participate in this study. The established subjective evaluation methods of chewing function investigated for this study included the Yamamoto denture performance judgment table, the Sato table for evaluation of chewing function in complete denture wearers, and the Hirai evaluation method for the masticatory function in complete denture wearers. As the Yamamoto method lacks scoring, the total number of circles was used as the score. A time study was performed on the time taken for the description, entry, and analysis of these tables. There was a strong correlation between the Sato and Hirai methods (r＝0.71) and between the Sato and Yamamoto (r＝0.68) and Hirai and Yamamoto (r＝0.60) methods. During the time study, the description time was the shortest with the Yamamoto method, and the entry and analysis times were the shortest with the Sato method. The total time was significantly shorter with the Sato method than with the Yamamoto method. Three evaluation methods showed correlation, but the examination times varied. In future studies, we plan to clarify the selection criteria, including the relevance of objective evaluation and usability.

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Section: Discussionmentioning

confidence: 99%

Comparison of three representative subjective evaluations of chewing function

Uchida

Sato

Shichita

et al. 2022

Showa Univ J Med Sci

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“…Masticatory function among patients with removable prostheses has been assessed and reported using a variety of subjective and objective methods [ 1 , 2 , 3 ] by which functional impairments prior to prosthesis fabrication as well as treatment outcome were determined [ 4 , 5 ]. The assessment of masticatory performance can be divided into subjective and objective methods.…”

Section: Introductionmentioning

confidence: 99%

Factors Affecting Masticatory Satisfaction in Patients with Removable Partial Dentures

Yoshimoto

Hirabayashi

Salazar

et al. 2021

IJERPH

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(1) Background: The degree of satisfaction with dental treatment varies among patients, and the discrepancy may exist between the patient’s subjective evaluation and the objective assessment. Further, the optimal methods for increasing patient satisfaction with mastication remain unclear. This study aimed to identify factors affecting masticatory satisfaction in patients with removable partial dentures. (2) Methods: A total of 132 participants (71.0 ± 9.0 years) were included. Masticatory satisfaction was assessed on a visual analog scale. An oral health survey was conducted to assess the number of functional teeth, missing tooth classification: Kennedy classification, occlusal support: Eichner classification, and removable partial dentures wearing jaw. Objective masticatory performance was assessed using gummy jelly, while subjective masticatory ability was assessed using food acceptance status and oral health-related quality of life. The associations of these factors with masticatory satisfaction were assessed. (3) Results: Masticatory satisfaction among removable partial denture wearers was not significantly associated with gender, age, denture wearing jaw, Kennedy classification, and occlusal support. The degree of masticatory satisfaction was significantly greater with higher levels of masticatory function: masticatory performance, food acceptance score, and OHIP-14 score. The OHIP-14 score was the only significant explanatory variable for masticatory satisfaction in the multiple regression analysis; the strongest associations were with the “psychological discomfort” and “physical disability” subscales (p = 0.02 and p = 0.005, respectively). (4) Conclusions: Masticatory satisfaction among removable partial denture wearers was strongly associated with oral health-related quality of life, in which the ability to eat meals comfortably with removable partial dentures is the most important determinant of masticatory satisfaction.

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