The objective of this case is to discuss the endodontic management in patient diagnosed with Progressive Ossificans Fibrodysplasia (POF) who sought the dental service due to discomfort in the mandible. Minor mobility of the peripheral joints, spinal involvement, gait limitation, inability to sit, report of joint pain, and limitation of TMJ movements were observed on the extra-oral examination. The intraoral examination revealed the presence of ectopic teeth (13 and 23), prolonged retention of primary teeth (53 and 63), dental gyrosurgery (34 and 33), caries lesion on teeth 36 and 47, and dental crowding. To the percussion test and the thermal pulp sensitivity of the tooth 36, there was no response, indicating pulp necrosis. Conventional endodontic therapy was performed under intrapulpal anesthesia and the dental chair placed at 45º. The patient evolved without painful symptomatology, is free of heterotopic ossification resulting from the treatment and her ability to open the mouth remained the same. Thus, endodontic treatment is a viable procedure and should be eligible in patients with POF because it minimizes local trauma and reduces iatrogenic risks, which may exacerbate the progression of the disease.
Keywords: endodontics; oral health; rare disorders.
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