A 14-year-old girl presented to the oral surgeon, referred by her orthodontist, because of a lesion that was noted on a panoramic film on her posterior left mandible.

A 9-year-old boy presented to the emergency department with painful lesions on the lip.

A 4-year-old boy presented to the pediatric dentist, referred by his dentist, because of the unusual shape of his mandibular incisors and several missing teeth.

A 39-year-old woman presented to the oral surgeon with a lesion at the right posterior maxilla.

A 70-year-old man presented at the oral surgeon's office, referred by his dentist, because of a lesion noted on a panoramic x-ray on the man's left maxilla.

A 21-year-old woman presented to the oral surgeon with a "lesion" that was noted on her right mandible in a panoramic film.

A 57-year-old man presented for his recall visit. A radiopaque area at the inferior aspect of the right mandible was noted.

A 73-year-old woman visited the oral surgeon for an evaluation. She was referred by her dentist because of a small, soft, painless mass behind the maxillary central incisors.

A 14-year-old girl presented to her pediatric dentist for a recall exam. The clinician noted two interesting findings on the radiographs.

An 85-year-old woman presented to the general dentist reporting moderate to severe pain in the right and left temporomandibular joints. The patient stated that the pain began 20 months ago, and the intensity was worse now.

A 2.5-year-old boy visited the pediatric dentist to evaluate several "bumps" on the lower lip.

An 85-year-old man presented for a recall exam. The clinician noted a hypodense lesion in the anterior maxilla on a cone-beam computed tomography scan.

A 5-year-old boy presented with severe pain on the lower and upper right gingiva.

A 9.5-year-old girl presented to the oral surgeon's office, referred by her family dentist, because of painless "growths" on her anterior maxilla.

A 7-year-old-girl visited the pediatric dentist for a recall exam. The dentist noticed a "bump" on the anterior dorsum of her tongue.

A 49-year-old woman presented to an orofacial pain specialist because of chronic pain in her left temporomandibular joint.

A 17-year-old boy was referred to a pediatric dentist by a family dentist due to unusually shaped mandibular incisors and several missing teeth.

A 1-month-old girl presented with her parents at the pediatric dentist's office with a growth on her maxilla.

A 16-year-old girl presented to the oral surgeon, referred by her orthodontist, for a lesion noted on a panoramic film.

A 5-year-old boy is undergoing a full-mouth extraction.