Validation of masticatory function and related factors in maxillectomy patients based on the concept of "oral hypofunction": A retrospective cross-sectional study

Fujikawa, Natsue; Ogino, Yoichiro; Koga, Sayuri; Ueno, Machiko; Moroi, Ryoji; Koyano, Kiyoshi

doi:10.2186/jpr.jpr_d_20_00047

Cited by 9 publications

(29 citation statements)

References 34 publications

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“…Decreased occlusal force is mainly caused by resection of the masticatory muscles (temporalis, masseter, lateral pterygoid, and medial pterygoid muscles) and loss of occluding pairs of teeth due to maxillary or mandibular resection [26]. This study is the rst to show that maxillary and mandibular de ciencies can reduce occlusal force and affect nutritional status, while also suggesting that oralmaxillofacial prosthetic treatment may be useful.…”

Section: Discussionmentioning

confidence: 67%

Relationship Between Oral Function Measurement and Malnutrition Following Oral Cancer Treatment: A Single-Center Cross-Sectional Study

Morioka

Matsuda

Kato

et al. 2022

Preprint

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Objectives Oral dysfunction and dysphagia after oral cancer treatment have been linked to a decrease in nutritional status. This study aimed to identify specific oral functions related to nutritional status. Patients and Methods : We conducted a cross-sectional study from September 2019 to December 2021. We recruited 75 participants (median age: 72.0 years), including 52 (69.3%) males and 23 (30.7%) females, collected background data, and evaluated oral function. The Mini Nutritional Assessment-Short Form (MNA-SF) scores were divided into three groups (normal nutritional status, at risk of malnutrition, and malnourished), and a multi-group comparison was conducted for each oral function measurement (microorganisms, oral dryness, occlusal force, tongue pressure, masticatory function, and Eating Assessment Tool [EAT-10]). Results The primary tumor site was the tongue in 31 patients (41.3%), gingiva in 30 (40.0%), and others in 14 (18.7%). Multiple comparisons revealed significant differences in occlusal force, tongue pressure, masticatory function, and EAT-10 level between each MNA-SF group (P < 0.05). Multiple regression analysis showed a statistically significant association with MNA-SF in terms of masticatory function and EAT-10 levels. Conclusion Decreased masticatory function and EAT-10 levels are risk factors for malnutrition. Nutritional instructions and oral-maxillofacial prosthetic treatment should be adapted to changes in oral function.

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Section: Discussionmentioning

confidence: 67%

Relationship Between Oral Function Measurement and Malnutrition Following Oral Cancer Treatment: A Single-Center Cross-Sectional Study

Morioka

Matsuda

Kato

et al. 2022

Preprint

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“…MOF was calculated using pressure indicating film (Dental Prescale II, GC, Tokyo, Japan) [15][16][17]19]. The patients were asked to clench the sheet in intercuspal position for 3 s and the sheet was analyzed using the software (Bite Force Analyzer, GC, Tokyo, Japan) to calculate MOF.…”

Section: Maximum Occlusal Force (Mof)mentioning

confidence: 99%

“…MTP was measured using a specific measuring device with a balloon of the probe (JM-TPM; JMS Co., Ltd., Hiroshima, Japan) [15][16][17][18][19][20][21]. The patients were instructed to compress the balloon on the tongue to anterior palate for 7 s. The device showed MTP and the average value was recorded after 3 measurements.…”

Section: Maximum Tongue Pressure (Mtp)mentioning

confidence: 99%

“…MP was measured as the previous studies evaluated [15][16][17]19]. The patients were instructed to chew 2 g of gummy jelly voluntary for 20 s without swallowing.…”

Section: Masticatory Performance (Mp)mentioning

confidence: 99%

“…This position paper proposed diagnostic criteria in seven oral signs or symptoms, which included a decline in swallowing function (dysphagia). Recent studies evaluated the oral functions and the association between oral functions and systemic conditions based on this concept [16][17][18][19][20][21]. It means that we can recognize that these oral functions are regarded as the typical oral functions.…”

Section: Introductionmentioning

confidence: 99%

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Analyses of Swallowing Function and Its Related Factors in Community-Dwelling Elderly Patients: A Case-Control Study

Ogino

Suzuki

Ayukawa

et al. 2021

JCM

Self Cite

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This retrospective case-control study evaluated the prevalence of declined swallowing function and the association with oral functions and gender in community-dwelling elderly patients. Their profiles, the results of swallowing function (Eating Assessment Tool: EAT-10) and other oral functions (oral dryness, maximum occlusal force (MOF), tongue–lip motor function (oral diadochokinesis: ODK), maximum tongue pressure (MTP) and masticatory performance (MP)) were extracted for analyses. The patients were categorized into three groups according to EAT-10 score (Group 1: 0, Group 2: 1 and 2, Group 3: ≥3). In total, 242 patients were enrolled and 46 of them (19.0%) were categorized into declined swallowing function (Group 3). In two-group comparisons (Group 1, 2 versus Group 3), significant differences were identified in age and the number of remaining teeth, but they were not identified in three-group comparisons. The patients with declined swallowing function (Group 3) had significantly lower function in ODK and MTP. Multiple logistic regression analyses identified that declined swallowing function was independently associated with declined functions in ODK /ka/ (OR: 5.31, 95% CI: 1.03–27.23, p = 0.04) and in MTP (OR: 2.74, 95% CI: 1.12–6.66, p = 0.03). This study could confirm the critical role of tongue functions in swallowing in community-dwelling elderly patients.

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Oral functional impairment may cause malnutrition following oral cancer treatment in a single-center cross-sectional study

Morioka

Matsuda

Kato

et al. 2022

Sci Rep

View full text Add to dashboard Cite

Oral dysfunction and dysphagia after oral cancer treatment are linked to altered nutritional status. We aimed to identify specific oral functions related to nutritional status. We conducted a cross-sectional study from September 2019 to December 2021, recruited 75 participants (median age: 72.0 years), including 52 males and 23 females, collected background data, and evaluated oral function. The Mini Nutritional Assessment-Short Form (MNA-SF) scores were divided into three groups (normal nutritional status, at risk of malnutrition, and malnourished), and a multi-group comparison was conducted for each oral function measurement (microorganisms, oral dryness, occlusal force, tongue pressure, masticatory function, and Eating Assessment Tool [EAT-10]). The primary tumor site was the tongue in 31 patients (41.3%), gingiva in 30 (40.0%), and others in 14 (18.7%). Multiple comparisons revealed significant differences in occlusal force, tongue pressure, masticatory function, and EAT-10 levels, categorized as Type I (Transport type) and Type III (Occlusion type) postoperative oral dysfunctions, between each MNA-SF group. Multiple regression analysis showed a statistically significant association with MNA-SF in terms of masticatory function and EAT-10 levels, categorized as Type I. Type I and Type III are risk factors for malnutrition, confirming that different types of postoperative oral dysfunction require unique nutritional guidance.

show abstract

Validation of masticatory function and related factors in maxillectomy patients based on the concept of "oral hypofunction": A retrospective cross-sectional study

Cited by 9 publications

References 34 publications

Relationship Between Oral Function Measurement and Malnutrition Following Oral Cancer Treatment: A Single-Center Cross-Sectional Study

Relationship Between Oral Function Measurement and Malnutrition Following Oral Cancer Treatment: A Single-Center Cross-Sectional Study

Analyses of Swallowing Function and Its Related Factors in Community-Dwelling Elderly Patients: A Case-Control Study

Oral functional impairment may cause malnutrition following oral cancer treatment in a single-center cross-sectional study

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