title: Clinical findings and psychosocial factors in patients with atypical odontalgia: a case-control study.
abstract: OBJECTIVE
  To provide a systematic description of clinical findings and psychosocial factors in patients suffering from atypical odontalgia (AO).
  
  
  METHODS
  Forty-six consecutive AO patients (7 men and 39 women; mean age, 56 years; range, 31 to 81 years) were compared with 35 control subjects (11 men and 24 women; mean age, 59 years; range, 31 to 79 years).
  
  
  RESULTS
  The pain of the AO patients was characterized by persistent, moderate pain intensity (mean, 5.6 +/- 1.9) with long pain duration (mean, 7.7 +/- 7.8 years). Eighty-three percent reported that onset of pain occurred in conjunction with dental treatment. No significant difference was found between the groups in number of remaining teeth or number of root fillings. Temporomandibular disorder (TMD) pain (P < .001), tension-type headache (P < .002), and widespread pain (P < .001) were significantly more common among AO patients than controls. Significantly higher scores for somatization (P < .01) and depression (P < .01) and limitations in jaw function (P < .001) were found for the AO group compared with the control group. Significant differences between groups were found in 4 general health domains: role-physical (P < .001), bodily pain (P < .001), vitality (P < .004), and social functioning (P < .001).
  
  
  CONCLUSIONS
  A majority of the AO patients reported persistent, moderately intense intraoral pain that in most cases had an onset in conjunction with dental treatment. AO patients had more comorbid pain conditions and higher scores for depression and somatization. Significant limitation in jaw function and significantly lower scores on quality of life measures were found for AO patients compared with controls.
authors.affiliation: Orofacial Pain Unit, Department of Stomatognathic Physiology, Faculty of Odontology, Malmö University, Malmö, Sweden. Thomas.List@od.mah.se
authors.forename: Thomas
authors.initials: T
authors.lastname: List
authors.forename: Göran
authors.initials: G
authors.lastname: Leijon
authors.forename: Martti
authors.initials: M
authors.lastname: Helkimo
authors.forename: Anders
authors.initials: A
authors.lastname: Oster
authors.forename: Samuel F
authors.initials: SF
authors.lastname: Dworkin
authors.forename: Peter
authors.initials: P
authors.lastname: Svensson
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D016022:Case-Control Studies; D002908:Chronic Disease; D003729:Dental Care / Q000009:adverse effects; D003863:Depression / Q000150:complications; D005260:Female; D006261:Headache / Q000150:complications; D006801:Humans; D008297:Male; D008410:Masticatory Muscles / Q000503:physiopathology; D008875:Middle Aged; D010147:Pain Measurement; D011788:Quality of Life; D016059:Range of Motion, Articular; D012744:Sex Ratio; D013001:Somatoform Disorders / Q000150:complications; D013705:Temporomandibular Joint Disorders / Q000150:complications; D014098:Toothache / Q000150:complications / Q000523:psychology*