Lateral arthroplasty as a treatment for type III temporo- mandibular joint ankylosis: Report of a case with long term follow-up

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Lateral arthroplasty as a treatment for type III temporo- mandibular joint ankylosis: Report of a case with long term follow-up

WM Mustafa, JK Ferdinand: Lateral arthroplasty as a treatment for type III temporomandibular joint ankylosis: Report of a case with long term follow-up. Mal. J. Oral Maxillofac. Surg. 2016; 14: 31–35.

Abstract: This case report shows the sensibility of saving the fractured condyle and disc in their displaced position when treating ankylosis type III for optimal temporomandibular joint (TMJ) function. A 19 year old female patient presenting with a maximal mouth opening of 4 mm and severely limited lateral and protrusive movements for 3 years’ duration was diagnosed with bilateral TMJ ankylosis type III. The ankylosed sites were resected, leaving the displaced condyle and disc in their medial position. Five years after surgery, the patients had an improved maximal mouth opening of 28 mm, as well as better excursions of the temporomandibular joint condyles thus allowing the removal of an impacted symptomatic lower wisdom tooth. Our experience with this case supports a less aggressive approach of retaining the displaced condyle and disc and removal of the ankylosed portion of the temporomandibular joint (TMJ) in the treatment of type III ankylosis of the TMJ. The condyle and disc may be left untouched in their medial position so as to provide normal function.