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[Temporomandibular disorders: Evaluation of the usefulness of a self-test questionnaire]
Jens C Türp1, Hans Jürgen Schindler, Gerd Antes
1Klinik für Rekonstruktive Zahnmedizin und Myoarthropathien, Universitätskliniken für Zahnmedizin, Basel, Schweiz. jens.tuerp@unibas.ch
Background:
A self-test questionnaire has been provided in the internet and in some dental offices for some time now. By using this questionnaire, interested individuals may assess whether they have a temporomandibular disorder (TMD) which might require therapy. It is the aim of this article to examine whether the 11 questions are apt to reliably identify patients with suspected TMDs within a given population.
Methods:
Each question has been examined for its relevance by resorting to the current literature. Accordingly, the inclusion of each question into the self-test questionnaire has been rated as suitable or unsuitable.
Results:
Only 2½ of the 11 questions are useful to detect individuals with as-yet undiagnosed TMDs.
Conclusions:
Due to its missing content validity, the questionnaire cannot be recommended.
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