Objective assessment of mastication predominance in healthy dentate subjects and patients with unilateral posterior missing teeth.
Identifieur interne : 000656 ( Main/Exploration ); précédent : 000655; suivant : 000657Objective assessment of mastication predominance in healthy dentate subjects and patients with unilateral posterior missing teeth.
Auteurs : Y. Yamasaki [Japon] ; R. Kuwatsuru [Japon] ; Y. Tsukiyama [Japon] ; K. Oki [Japon] ; K. Koyano [Japon]Source :
- Journal of oral rehabilitation [ 1365-2842 ] ; 2016.
Descripteurs français
- KwdFr :
- Adulte, Adulte d'âge moyen, Aliments, Femelle, Gomme à mâcher, Humains, Japon, Jeune adulte, Mastication (physiologie), Muscle masséter (physiologie), Mâchoire partiellement édentée (physiopathologie), Mâle, Reproductibilité des résultats, Sujet âgé, Volontaires sains, Échelle visuelle analogique, Électromyographie, Études prospectives.
- MESH :
- physiologie : Mastication, Muscle masséter.
- physiopathologie : Mâchoire partiellement édentée.
- Adulte, Adulte d'âge moyen, Aliments, Femelle, Gomme à mâcher, Humains, Japon, Jeune adulte, Mâle, Reproductibilité des résultats, Sujet âgé, Volontaires sains, Échelle visuelle analogique, Électromyographie, Études prospectives.
English descriptors
- KwdEn :
- MESH :
- chemical : Chewing Gum.
- physiology : Masseter Muscle, Mastication.
- physiopathology : Jaw, Edentulous, Partially.
- Adult, Aged, Electromyography, Female, Food, Healthy Volunteers, Humans, Japan, Male, Middle Aged, Prospective Studies, Reproducibility of Results, Visual Analog Scale, Young Adult.
Abstract
We aimed to investigate mastication predominance in healthy dentate individuals and patients with unilateral posterior missing teeth using objective and subjective methods. The sample comprised 50 healthy dentate individuals (healthy dentate group) and 30 patients with unilateral posterior missing teeth (partially edentulous group). Subjects were asked to freely chew three kinds of test foods (peanuts, beef jerky and chewing gum). Electromyographic activity of the bilateral masseter muscles was recorded. The chewing side (right side or left side) was judged by the level of root mean square electromyographic amplitude. Mastication predominance was then objectively assessed using the mastication predominant score and the mastication predominant index. Self-awareness of mastication predominance was evaluated using a modified visual analogue scale. Mastication predominance scores of the healthy dentate and partially edentulous groups for each test food were analysed. There was a significant difference in the distribution of the mastication predominant index between the two groups (P < 0·05). The mastication predominant score was weakly correlated with self-awareness of mastication predominance in the healthy dentate group, whereas strong correlation was observed in the partially edentulous group (P < 0·05). The results suggest that the individuals with missing unilateral posterior teeth exhibited greater mastication predominance and were more aware of mastication predominance than healthy dentate individuals. Our findings suggest that an objective evaluation of mastication predominance is more precise than a subjective method.
DOI: 10.1111/joor.12403
PubMed: 27121170
Affiliations:
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Yamasaki</name><affiliation wicri:level="4"><nlm:affiliation>Section of Implant and Rehabilitative Dentistry, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, Fukuoka, Japan.</nlm:affiliation><country xml:lang="fr">Japon</country><wicri:regionArea>Section of Implant and Rehabilitative Dentistry, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, Fukuoka</wicri:regionArea><orgName type="university">Université de Kyūshū</orgName><placeName><settlement type="city">Fukuoka</settlement><region type="province">Kyūshū</region><region type="prefecture">Préfecture de Fukuoka</region></placeName></affiliation></author><author><name sortKey="Kuwatsuru, R" sort="Kuwatsuru, R" uniqKey="Kuwatsuru R" first="R" last="Kuwatsuru">R. Kuwatsuru</name><affiliation wicri:level="4"><nlm:affiliation>Section of Implant and Rehabilitative Dentistry, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, Fukuoka, Japan.</nlm:affiliation><country xml:lang="fr">Japon</country><wicri:regionArea>Section of Implant and Rehabilitative Dentistry, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, Fukuoka</wicri:regionArea><orgName type="university">Université de Kyūshū</orgName><placeName><settlement type="city">Fukuoka</settlement><region type="province">Kyūshū</region><region type="prefecture">Préfecture de Fukuoka</region></placeName></affiliation></author><author><name sortKey="Tsukiyama, Y" sort="Tsukiyama, Y" uniqKey="Tsukiyama Y" first="Y" last="Tsukiyama">Y. 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The sample comprised 50 healthy dentate individuals (healthy dentate group) and 30 patients with unilateral posterior missing teeth (partially edentulous group). Subjects were asked to freely chew three kinds of test foods (peanuts, beef jerky and chewing gum). Electromyographic activity of the bilateral masseter muscles was recorded. The chewing side (right side or left side) was judged by the level of root mean square electromyographic amplitude. Mastication predominance was then objectively assessed using the mastication predominant score and the mastication predominant index. Self-awareness of mastication predominance was evaluated using a modified visual analogue scale. Mastication predominance scores of the healthy dentate and partially edentulous groups for each test food were analysed. There was a significant difference in the distribution of the mastication predominant index between the two groups (P < 0·05). The mastication predominant score was weakly correlated with self-awareness of mastication predominance in the healthy dentate group, whereas strong correlation was observed in the partially edentulous group (P < 0·05). The results suggest that the individuals with missing unilateral posterior teeth exhibited greater mastication predominance and were more aware of mastication predominance than healthy dentate individuals. Our findings suggest that an objective evaluation of mastication predominance is more precise than a subjective method.</div></front></TEI><affiliations><list><country><li>Japon</li></country><region><li>Kyūshū</li><li>Préfecture de Fukuoka</li></region><settlement><li>Fukuoka</li></settlement><orgName><li>Université de Kyūshū</li></orgName></list><tree><country name="Japon"><region name="Kyūshū"><name sortKey="Yamasaki, Y" sort="Yamasaki, Y" uniqKey="Yamasaki Y" first="Y" last="Yamasaki">Y. Yamasaki</name></region><name sortKey="Koyano, K" sort="Koyano, K" uniqKey="Koyano K" first="K" last="Koyano">K. Koyano</name><name sortKey="Kuwatsuru, R" sort="Kuwatsuru, R" uniqKey="Kuwatsuru R" first="R" last="Kuwatsuru">R. Kuwatsuru</name><name sortKey="Oki, K" sort="Oki, K" uniqKey="Oki K" first="K" last="Oki">K. Oki</name><name sortKey="Tsukiyama, Y" sort="Tsukiyama, Y" uniqKey="Tsukiyama Y" first="Y" last="Tsukiyama">Y. Tsukiyama</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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