title: An assessment of the usefulness of jaw kinesiography in monitoring temporomandibular disorders: correlation of treatment-related kinesiographic and pain changes in patients receiving temporomandibular joint injections.
abstract: BACKGROUND
  The authors conducted a study in patients with temporomandibular joint (TMJ) osteoarthritis to assess whether treatment-related changes in pain levels and chewing ability coincide with a change in jaw kinesiographic (KG) parameters.
  
  
  METHODS
  The authors selected 34 patients with a diagnosis of TMJ osteoarthritis that met Research Diagnostic Criteria for Temporomandibular Disorders (RDC/TMD) to undergo a cycle of five weekly arthrocentesis procedures with injections of 1 milliliter hyaluronic acid. They performed a permutation test to assess the correlation between changes across time (from baseline to end of treatment) in two clinical outcome parameters-pain level and chewing ability-and changes across time in the KG outcome parameters.
  
  
  RESULTS
  The authors observed improvement across time in both chewing ability (F = 8.328; P = .005) and pain level (F = 10.903; P = .002). The authors observed no significant changes in any KG variables. With minor exceptions, no significant correlations were shown between changes in the clinical and KG parameters during the treatment period.
  
  
  CONCLUSIONS
  Treatment-related changes in pain levels and chewing ability in patients with TMJ osteoarthritis do not coincide with changes in KG parameters.
  
  
  CONCLUSIONS
  If one assumes pain variables to be the primary outcome measures in assessing treatment of TMJ osteoarthritis, KG recordings of the jaw are not useful for monitoring TMJ osteoarthritis in the clinical setting.
authors.affiliation: TMD Clinic, Department of Maxillofacial Surgery, University of Padova, Italy. daniele.manfredini@tin.it
authors.forename: Daniele
authors.initials: D
authors.lastname: Manfredini
authors.forename: Lorenzo
authors.initials: L
authors.lastname: Favero
authors.forename: Matteo
authors.initials: M
authors.lastname: Michieli
authors.forename: Luigi
authors.initials: L
authors.lastname: Salmaso
authors.forename: Francesco
authors.initials: F
authors.lastname: Cocilovo
authors.forename: Luca
authors.initials: L
authors.lastname: Guarda-Nardini
mesh_terms: D000328:Adult; D000368:Aged; D004032:Diet; D005157:Facial Pain / Q000188:drug therapy* / Q000503:physiopathology; D005260:Female; D006801:Humans; D006820:Hyaluronic Acid / Q000008:administration & dosage / Q000627:therapeutic use; D008297:Male; D008334:Mandible / Q000503:physiopathology; D008409:Mastication / Q000502:physiology; D008875:Middle Aged; D009068:Movement; D010003:Osteoarthritis / Q000188:drug therapy* / Q000503:physiopathology; D010147:Pain Measurement; D019152:Paracentesis; D016059:Range of Motion, Articular / Q000502:physiology*; D013705:Temporomandibular Joint Disorders / Q000188:drug therapy* / Q000503:physiopathology; D013997:Time Factors; D016896:Treatment Outcome; D055675:Viscosupplements / Q000008:administration & dosage / Q000627:therapeutic use
chemical_list: D055675:Viscosupplements; D006820:Hyaluronic Acid