Influence of body position on maximum bite force
Guimarães, Élcio Alves; Cabral, Alana Leandro; Sousa, Lucas Resende; Simamoto Júnior, Paulo Cézar; Sousa, Gilmar da Cunha; Fernandes Neto, Alfredo Júlio
Objective: To evaluate the maximum bite force (MBF) in subjects with and without Temporomandibular Dysfunction (TMD), in three different positions (sitting, lying and standing). Methods: The sample consisted of 60 individuals, aged between 19 and 35 years, who were divided into two groups: with TMD (n = 30) and without TMD (n = 30). First, the RDC/TMD questionnaire was applied and, after diagnosis, all of the subjects selected were submitted to the measurement of MBF, on each side (right and left), in three different positions (sitting, lying and standing), by means of a digital gnatodynamometer. Results: No significant difference in mean MBF was found between the two groups; however, the mean MBF for the subjects, comparing the same side and different positions, was significantly different, being smaller when the individual was lying down. Conclusions: According to the results, it was concluded that the MBF is influenced by the change of position.
1. Greene CS, Klasser GD, Epstein JB. Revision of the American Association of Dental Research’s Science Information Statement about Temporomandibular Disorders. J Can Dent Assoc. 2010;76-115.
2. Okeson JP. Etiologia e identificação dos distúrbios funcionais no sistema mastigatório. In: Tratamento das desordens temporomandibulares e oclusão. 4ª ed. São Paulo: Artes Médicas;2000. p.117-272.
3. Biasotto-Gonzales DA. Abordagem interdisciplinar das disfunções temporomandib-ulares. São Paulo: Manole; 2005.
4. Leeuw, R de. Dor orofacial: guia de avaliação, diagnóstico e tratamento. São Paulo: Quintessence; 2010.
5. Pereira-Cenci T, Pereira LJ, Cenci MS, Bonachela WC, Del Bel Cury AA. Maximal bite force and its association with temporomandibular disorders. Brazilian Dental Journal. 2007;18:65-8.
6. Carlsson GE, Lindquist LW. Ten-year longitudinal study of masticatory function in edentulous patients treated with fixed complete dentures on osseointegrated implants. Int J Prosthodont. 1994;7:448-53.
7. Bates JF, Stafford GD, Harrison A. Masticatory function - a review of the literature: (II) Speed of movement of the mandible, rate of chewing and forces developed in chewing. J Oral Rehabil. 1975;2:349-61.
8. Kiliaridis S, Johansson A, Haraldson T, Omar R, Carlsson GE. Craniofacial morphology, occlusal traits, and bite force in persons with advanced occlusal tooth wear. Am J Orthod Dentofacial Orthop. 1995;107:286-92.
9. Fields HW, Proffit WR, Case JC, Vig WL. Variables Affecting Measurements of Vertical Occlusal Force. J Dent Res. 1986;65(2).
10. Bakke M, Holm B, Jensen BL, Michler L, Mӧller E. Unilateral, isometric bite force in 8-68-year-old women and men related to occlusal factors. Scand J Dent Res. 1990;98(2):149-58.
11. Sinn DP, de Assis EA, Throckmorton GS. Mandibular excursions and maximum bite forces in patients with temporomandibular joint disorders. J Oral Maxillofac Surg. 1996;54:671-679.
12. Hagberg C, Hagberg M. Surface EMG frequency dependence on force in the masseter and the anterior temporal muscles. Scand J Dent Res. 1988;96:451-456.
13. Olivo S, Bravo J, Magee DJ, Thie NMR, Major PW, Flores-Mir C. The Association between Head and Cervical Posture and Temporomandibular Disorders: A Systematic Review. J Oral Rehabil. 2006;20:9-23.
14. Darnell MW. A Proposed Chronology of Events for Forward Head Posture. J. Craniomandibular Practice. 1983;1(4):49-54.
15. Lund P, Nishiyama, T, Mӧller, E. Postural activity in the muscles of mastication with the subject upright, inclined, and supine. European Journal of Oral Sciences. 1970;78: 417–24.
16. Miralles R, Manns A, Guerrero F. Study of EMG postural activity in mandibular muscles at different body position. IRCS Med Sci. 1980;8:122.
17. Geckili O, Bilhan H, Mumcu E, Dayan C, Yabul A, Tuncer N. Comparison of patient satisfaction, quality of life, and bite force between elderly edentulous patients wearing mandibular two implant-supported overdentures and conventional complete dentures after 4 years. Spec Care Dentist. 2012;32(4):136-41.
18. Schiffman E, Ohrbach R, Truelove E, Anderson G, Goulet JP, List T, et al. Diagnostic Criteria for Temporomandibular Disorders (DC/TMD) for Clinical and Research Applications: Recommendations of the International RDC/TMD Consortium Network and Orofacial Pain Special Interest Group. J Oral Facial Pain Headache. 2014;28(1):6-27.
19. Machado MB, Nitsch GS, Pitta NC, Oliveira AS. Tempo de ativação muscular em portadoras de disfunção temporomandibular durante a mastigação. Audiol Commun Res. 2014;19(2):202-7.
20. Martinez-Gomis J, Lujan-Climent M, Palau S, Bizar J, Salsench J, Peraire M. Relationship between chewing side preference and handedness and lateral asymmetry of peripheral factors. Arch Oral Biol. 2009;54(2):101-7.
21. Miralles, R, Bull, R, Lolas, F, Manns, A. Functional dissociation between two elevator mandibular muscles at different body positions. J Gnathology. 1987;6:97–105.
22. Aprile, H. & Saizar, P.: Gothic arch tracing and temporomandibular anatomy. J. Amer. deni. Ass. 1947;35(4):256-61.