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Evaluation of maximum bite force, masticatory capacity and standard of mandibular movement during mastication of elderly with rheumatoid arthritis

Grant number: 12/08374-4
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): July 01, 2012
Effective date (End): December 31, 2015
Field of knowledge:Health Sciences - Dentistry - Dental Clinics
Principal researcher:Renata Cunha Matheus Rodrigues Garcia
Grantee:Kelly Machado de Andrade
Home Institution: Faculdade de Odontologia de Piracicaba (FOP). Universidade Estadual de Campinas (UNICAMP). Piracicaba , SP, Brazil

Abstract

Rheumatoid arthritis (RA) is a prevalent rheumatic disease, which can cause severe damage to the temporomandibular joint (TMJ) and possibly the functions of the stomatognathic system. The aim of yhis study is to evaluate the masticatory function and impact on quality of life in elderly patients with RA with involvement of the TMJ. For this, forty volunteers aged over 60, partially or totally edentulous, will be selected and divided into two groups: (1) with RA and TMJ injury (experimental) and (2) without RA (control). New dentures will be made for elderly people who have unsatisfactory usual prostheses (Vigidi, 1987). The objective variables are the masticatory capacity (MC), the pattern of jaw movement and the maximum bite force (MBF). For CM, an artificial test material will be used together with a system containing 10 sieves coupled in a shaker. The index will be calculated as the percentage of crushed material smaller than 2 mm. The pattern of movement during mastication will be performed by tracing the path mandibular using a cinesiograph. MBF will be determined by the adding of the peak force exerted on clenching isometric for 7 seconds in the molar region, bilaterally. The quality of life of elderly patients about their oral health status will be evaluated by applying the OHIP-14. The salivary flow in the two groups will be controlled by unstimulated saliva test. Data will be analyzed by statistical test. It is hoped that volunteers with AR, have reduction of CM, MBF, and have changes in the trajectory of jaw movement during mastication, as well as changes in quality of life and self-rated oral health.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
ANDRADE, K. M.; ALFENAS, B. F. M.; RODRIGUES GARCIA, R. C. M.. Influence of removable prostheses on mastication in elderly subjects with rheumatoid arthritis. Journal of Oral Rehabilitation, v. 45, n. 4, p. 295-300, . (12/15700-5, 12/08374-4)
DE ANDRADE, KELLY MACHADO; MOREIRA ALFENAS, BRUNA FERNANDES; CAMPOS, CAMILA HEITOR; MATHEUS RODRIGUES GARCIA, RENATA CUNHA. Mandibular movements in older people with rheumatoid arthritis. ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY, v. 123, n. 5, p. E153-E159, . (12/15700-5, 12/08374-4)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
ANDRADE, Kelly Machado de. Maximum bite force, masticatory performance, jaw movements and impact of oral health on quality of life of elderly patients with rheumatoid arthritis. 2016. Doctoral Thesis - Universidade Estadual de Campinas (UNICAMP). Faculdade de Odontologia de Piracicaba Campinas, SP.

Please report errors in scientific publications list by writing to: cdi@fapesp.br.