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J Contemp Dent Pract · Aug 2005
Pressure pain threshold of the lateral pterygoid muscles in TMD patients and controls.
- Youssef S Abou-Atme, Marcello Melis, and Khalid H Zawawi.
- Université Saint Joseph, Lebanon. youssefaa@yahoo.com
- J Contemp Dent Pract. 2005 Aug 15;6(3):22-9.
ObjectivesThe aim of this experiment was to detect pressure pain threshold (PPT) differences on intra-oral palpation of the lateral pterygoid muscle (LPM) between subjects diagnosed with temporomandibular disorders (TMD) and controls.MethodsThirty-one consecutive female TMD patients and 31 age and gender matched controls underwent palpation of the LPM using an algometer made with a queue-tip connected to a digital scale, and PPT was measured.ResultsMean PPTs of the right and left LPM of the controls were respectively 191g (49KPa) and 200g (51KPa), and mean PPTs of the right and left LPM of TMD patients were respectively 245g (62KPa) and 256g (63KPa). ANOVA between the four PPT measurements showed significant difference only between the PPT readings of the right LPM of the controls and the left LPM of the patients (p<0.05).ConclusionsThe findings of this study suggest that PPT measured by means of the described algometer is not decreased in TMD patients as compared to control subjects.
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