Abstract
BACKGROUND AND OBJECTIVES: Temporomandibular disorders are highly prevalent and may impair several oral function- related aspects. This study aimed at evaluating the impact of the presence and severity of temporomandibular disorder signs and symptoms on oral health-related quality of life. METHODS: Participated in the study 135 dentistry students of the Federal University of Paraiba. The presence of temporomandibular disorder was determined by means of an anamnesis questionnaire and a summarized clinical evaluation protocol. Oral health-related quality of life was determined by the summarized Oral Health Impact Profile version translated and validated for the Portuguese language. Statistical comparisons between Oral Health Impact Profile-14 means related to the presence of temporomandibular disorder signs and symptoms were achieved with Mann-Whitney and Kruskal-Wallis tests. RESULTS: Volunteers with temporomandibular disorder (p<0.001), needing treatment (p<0.001) and higher severity (p<0.001) had higher impact on oral health-related quality of life. Volunteers with clinical temporomandibular disorder signs had further quality of life impairment, being that individuals with simultaneous muscle and joint temporomandibular disorders (p=0.034) had higher Oral Health Impact Profile-14 scores. Most impaired domains were physical pain (p=0.045), functional limitation (p=0.007) and psychological discomfort (p=0.045). CONCLUSION: Temporomandibular disorder severity has negative impact on quality of life, especially in volunteers with simultaneous joint and muscle clinical signs.
Highlights
Temporomandibular disorder (TMD) is a generic term for a series of clinical signs and symptoms involving masticatory muscles, temporomandibular joints (TMJ) and associated structures[1]
Comparações estatísticas entre as médias do Oral Health Impact Profile-14 relacionadas à presença de sinais e sintomas de disfunções temporomandibulares foram realizadas por meio dos testes de Mann-Whitney e Kruskal-Wallis
This study aimed at evaluating the impact of TMD presence and signs and symptoms severity on oral health-related quality of life, using Oral Health Impact Profile (OHIP)-14
Summary
Temporomandibular disorder (TMD) is a generic term for a series of clinical signs and symptoms involving masticatory muscles, temporomandibular joints (TMJ) and associated structures[1]. Other symptoms may be present, such as jaw movement limitation or asymmetry, joint noises, painless masticatory muscles hypertrophy, muscle fatigue and abnormal occlusal wear associated to parafunctions such as bruxism[2,3,4] Due to this wide variety of signs and symptoms, TMD patients may have severe physical and mental impairment with clinical features common to other types of chronic diseases and negative impact on quality of life (QL)[5]. This study aimed at evaluating the impact of TMD presence and signs and symptoms severity on oral health-related quality of life, using OHIP-14. This study aimed at evaluating the impact of the presence and severity of temporomandibular disorder signs and symptoms on oral health-related quality of life. Most impaired domains were physical pain (p=0.045), functional limitation (p=0.007) and psychological discomfort (p=0.045)
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