Palpation of the lateral pterygoid area in the myofascial pain diagnosis.
作者信息
Conti Paulo César Rodrigues, Dos Santos Silva Rafael, Rossetti Leylha Maria Nunes, De Oliveira Ferreira Da Silva Renato, Do Valle Accácio Lins, Gelmini Mariana
机构信息
Department of Prosthodontics, Bauru School of Dentistry, University of São Paulo, Bauru, Brazil.
出版信息
Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2008 Mar;105(3):e61-6. doi: 10.1016/j.tripleo.2007.11.004.
OBJECTIVES
To evaluate the diagnostic value of intraoral palpation at the lateral pterygoid (LP) area as part of the physical examination to detect myofascial pain, according to modified research diagnostic criteria for temporomandibular disorders.
STUDY DESIGN
Forty-four women composed the myofascial pain group, and 33 symptom-free age-matched were the control group. One examiner calibrated and blinded to group distribution performed 2 intraoral bilateral palpations of the lateral pterygoid.
RESULTS
The LP area palpation showed sensitivity and specificity values of 79.55% and 77.27%, respectively, and positive and negative likelihood ratios of 3.50 and 0.26, respectively.
CONCLUSIONS
Palpation at the LP area did not reach acceptable values of specificity, and care must be taken when judging positive response to this procedure.
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