Abstract
A prosthodontic treatment of a 39-year-old female who had severe anterior open bite with rheumatoid arthritis was reported. Rheumatoid arthritis had been diagnosed 5 years previously, and she had been hospitalized for infection of the spine, shoulder and knee joints. In her medical history, the patient stated that her mandible had continued to gradually retrude for the past 3 years, resulting in severe anterior open bite.Because of the progressive nature of rheumatoid arthritis, the decision was made to perform a reversible procedure to apply a prosthesis made of acrylic resin for stable occlusal contact with a posterior tooth. Afterthe eighth month, even distribution of posterior tooth contact was acquired with decreased vertical overbiteof 1 mm. After maxillary anterior prosthesis made of acrylic resin were provided with suitable verticaloverbite and anterior guidance, the metal prosthesis were provided at fourteen months after the first examination.In this report, it was suggested that occlusal management could improve anterior open bite caused byrheumatoid arthritis of TMJ, however, lateral transcranial radiography of TMJ findings still showed deformityand flattening of the condyle and the articular eminence of bilateral TMJ after treatment.
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