Relationships between Intermittent Locking History and Self-Reported Bruxism in Temporomandibular Joint
Lee Myeong-Ok, 이연희, 강수경, 전양현, 홍진표, 어규식,
소속 상세정보
( Lee Myeong-Ok ) - Kyung Hee University School of Dentistry Department of Oral Medicine
이연희 ( Lee Yeon-Hee ) - Kyung Hee University School of Dentistry Department of Oral Medicine
강수경 ( Kang Soo-Kyung ) - Kyung Hee University School of Dentistry Department of Oral Medicine
전양현 ( Chun Yang-Hyun ) - Kyung Hee University School of Dentistry Department of Oral Medicine
홍진표 ( Hong Jung-Pyo ) - Kyung Hee University School of Dentistry Department of Oral Medicine
어규식 ( Auh Q-Schick ) - Kyung Hee University School of Dentistry Department of Oral Medicine
KMID : 1101020170420020029
Abstract
Purpose: To evaluate aggravating factors of intermittent locking among temporomandibular joint using magnetic resonance imaging (MRI) and diagnostic criteria for temporomandibular disorder (DC/TMD) diagnosis.
Methods: A retrospective analysis was conducted of 35 patients with intermittent locking history but normal intra-articular findings between September 2012 and June 2015 in Kyung Hee University Dental Hospital. A standardized DC/TMD assessment was performed on subjects with MRI findings. Clinical findings were assessed on the basis of maximum mouth opening (active & passive), self-reported habits, patients’ age, gender, systemic diseases at the initial visit. First, chi square test was used to examine differences with variables and then risk factors for intermittent locking were assessed using multivariate logistic regression.
Results: Self-reported bruxism was strongly associated with intermittent locking history.
Conclusions: The new DC/TMD protocol is intended for use within any clinical setting and supports the full range of diagnostic activities from screening to definitive evaluation and diagnosis. Self-reported sleep bruxism has been associated with a higher likelihood of intermittent locking. Comorbidity is therefore a factor that must be assessed. It is necessary to consider the amount of contact of the teeth and the duration.
키워드
Bruxism; Diagnostic criteria for temporomandibular disorder; Intermittent locking; Magnetic resonance imaging; Temporomandibular joint disorders
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