title: Joint disorder: nonreducing disc displacement with mouth opening limitation - report of a case.
abstract: The internal derangement of the temporomandibular joint (TMJ) represents 8% of all cases of temporomandibular disorders (TMD) posing difficulties to establish an accurate diagnosis and treatment because of its low prevalence. This article presents the case of an 18-year-old Caucasian female patient who came to our Orofacial Pain and TMD Outpatient Service with complaints of intense pain on the right TMJ and limitation of mouth opening (maximum interincisal opening of 29 mm) with deviation to right, which she had been experiencing for the past 3 years. After a detailed clinical interview, a diagnosis hypothesis of nonreducing disc displacement with mouth opening limitation was established. The proposed treatment consisted of intra-joint infiltration with anesthetic in the right TMJ followed by jaw manipulation to recapture the articular disc, which was impeding the complete translation movement of the affected TMJ. After jaw manipulation, a new evaluation was done and showed the re-establishment of jaw dynamics with mouth opening and closing without deviation to the right side, clicking, opening limitation or pain. The patient was followed up at 6 months intervals. Two years after treatment, the patient was reevaluated and her mandibular range of motion without aid increased to 54 mm with no clicking, deviation to right, trismus or pain on the TMJ, indicating success of the treatment approach without recurrence of the pathology.
authors: Department of Restorative Dentistry and Prosthodontics, Dental School, Federal University of Mato Grosso do Sul, Campo Grande, MS, Brazil.
authors: Hellen Cordeiro
authors: HC
authors: Corrêa
authors: Ana Carolina Stevaneli
authors: AC
authors: Freitas
authors: Anísio Lima
authors: AL
authors: Da Silva
authors: Túlio Kalife
authors: TK
authors: Coêlho
authors: Daisilene Baena
authors: DB
authors: Castillo
authors: Gustavo Helder
authors: GH
authors: Vinholi
mesh_terms: D000293:Adolescent; D005260:Female; D006801:Humans; D007571:Jaw Diseases / Q000175:diagnosis* / Q000503:physiopathology; D009055:Mouth / Q000503:physiopathology*