Familial florid osseous dysplasia: a report with review of the literature.

There are three types of osseous dysplasia: periapical cemental dysplasia (PCD), focal cemento-osseous dysplasia (FCD) and florid osseous dysplasia (FOD). While PCD is often observed in mandibular anterior teeth, FCD mainly affects mandibular posterior teeth. FOD, on the other hand, commonly involves both jaws.

Pilonidal sinus of the chin: mistreated as a dental fistula.

Pilonidal sinus is a chronic inflammatory condition associated with penetration of hair particles into the skin. It is rare in the chin area and, to our knowledge, there is only one such reported case. A 56-year-old man was previously admitted to a private clinic, with a hard mass on his anterior buccal sulcus.