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- Title
Reports of perceptual distortion of the face are common in patients with different types of chronic oro-facial pain.
- Authors
Dagsdóttir, L. K.; Skyt, I.; Vase, L.; Baad‐Hansen, L.; Castrillon, E.; Svensson, P.
- Abstract
Anecdotally, chronic oro-facial pain patients may perceive the painful face area as 'swollen'. Because there are no clinical signs, these self-reported 'illusions' may represent perceptual distortions and can be speculated to contribute to the maintenance of oro-facial pain. This descriptive study investigated whether chronic oro-facial pain patients experience perceptual distortions - a kind of body image disruption. Sixty patients were consecutively recruited to fill in questionnaires regarding i) pain experience, ii) self-reports of perceptual distortion and iii) psychological condition. Perceptual distortions were examined in the total group and in three diagnostic subgroups: i) painful post-traumatic trigeminal neuropathy ( PPTN), ii) painful temporomandibular disorder ( TMD) or iii) persistent idiopathic facial pain ( PIFP). A large proportion of oro-facial pain patients reported perceptual distortions of the face (55·0%). In the diagnostic subgroups, perceptual distortions were most pronounced in PPTN patients (81·5%) but with no significant group differences. In the total group of chronic oro-facial pain patients, the present pain intensity explained 16·9% of the variance in magnitude of the perceptual distortions ( R2 = 16·9, F(31) = 6·3, P = 0·017). This study demonstrates that many chronic oro-facial pain patients may experience perceptual distortions. Future studies may clarify the mechanisms underlying perceptual distortions, which may point towards new complementary strategies for the management of chronic oro-facial pain.
- Subjects
DENMARK; FACIAL pain; BODY image; CHI-squared test; STATISTICAL correlation; SCIENTIFIC observation; RESEARCH funding; STATISTICAL sampling; STATISTICS; T-test (Statistics); DATA analysis; DATA analysis software; PATIENTS' attitudes; DESCRIPTIVE statistics; PSYCHOLOGY
- Publication
Journal of Oral Rehabilitation, 2016, Vol 43, Issue 6, p409
- ISSN
0305-182X
- Publication type
Article
- DOI
10.1111/joor.12383