engleski

Validation of the long and short form of the Temporomandibular Disorder-Pain Screener instrument in Croatia

Objectives: Temporomandibular disorders (TMD) are characterized by orofacial pain and dysfunction of the temporomandibular joint. The aim was to translate and validate the TMD-Pain Screener instrument in Croatia. Materials and methods: The study included 134 participants (patients of University Dental Clinic Rijeka and students of local university) aged 11-62 years, 76% females and 82% adults who self- administered the TMD-Pain Screener. For the assessment of temporal stability, 23 participants completed the questionnaire twice in a two week interval without any interventions ; 14 had painful TMD. Results: Factor analysis demonstrated one-factor structure accounting for 55% variance. Internal consistency was higher for the 6-item than the 3-item instrument (Chronbach α 0.831 vs. 0.712). Using the 6-item instrument 46% of subjects reported a score ≥ 3 indicating that the person could have TMD, while using the 3-item instrument 50% of subjects were indicative for TMD (scoring ≥ 2). Clinical confirmation of TMD was for 73% of subjects (40% pain with joint disorders and 10% pain without joint disorder). For the 6-item instrument sensitivity was 74.6%, specificity 82.1%, positive predictive value 80.7% and negative predictive value 76.4%, while for the 3-item instrument all values were 83.6%. Likelihood ratio was 4.2, indicating that someone with a positive test is 4.2 more likely to have the disease than someone with a negative test. In test-retest lower reproducibility was lower for 3- than 6-item instrument (r=0.632 and 0.706 ; p≤0.001). Conclusion: The Croatian version of the TMD-Pain Screener has good ability to detect subjects with painful TMD.

Diagnoses and examination ; Orofacial pain ; Temporomandibular joint disorders

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