A 24-year-old man presented to the oral surgeon, referred by his dentist, because of an unusual finding noted in a panoramic film involving the man's left anterior mandible.

A 3-year-old girl presented to the pediatric dentist with her parents because of the unusual color of her teeth. The parents told the dentist that some members of the family had a similar condition.

An 80-year-old woman was referred to the orofacial pain specialist by her dentist because of persistent moderate to severe pain at the left temporomandibular joint.

A 70-year-old man presented to the dentist for a regular recall exam. His last exam was two years ago with a different dentist. No pain or complaints were reported by the patient.

A 25-year-old man was referred to the oral surgeon by his dentist because of a "lesion" on the left side of his posterior mandible. The patient was asymptomatic.

18-year-old boy with a lesion over the hard palate.

A 12-year-old girl with a bright red mass at the maxilla.

A 47-year-old woman was referred to the oral surgeon by her general dentist because of a "small, soft, painless mass" behind the maxillary central incisors.

A 7-year-old girl was referred to the oral surgeon by her pediatric dentist to evaluate a painless radiolucency in her left mandible.

A 76-year-old man was referred to the oral surgeon by his dentist because of a "lesion" on the right mandible that was noted in a panoramic film.

A 17-year-old boy presented with his parents to the dentist because of a painful burning sensation on his tongue that worsened when he ate.

An 8-year-old girl was referred to the oral surgeon by her dentist because of a small red lesion in the ventral aspect of her tongue.

A 16-year-old girl presented to a family dentist for the first time for a regular exam. The patient was asymptomatic. The dentist noted a radiopaque lesion involving teeth #30 and #31.

An 8-year-old girl was referred to the pediatric dentist by her dentist because of an unusual radiographic finding involving her right maxilla.

A 41-year-old man was referred by his dentist to the endodontist because of an unusual radiographic finding associated with the periapical area of tooth #28.

A 5-year-old girl was referred to the oral surgeon by her dentist because of an unusual radiographic finding involving her left anterior mandible.

A 5-year-old girl was referred to the oral surgeon by her dentist because of an unusual lesion on the right side of her mandible.

A 7-year-old boy was referred to the pediatric dentist by his family dentist because of the unusual radiographic appearance of teeth #K and #L.

A 21-day-old boy presented with two "bumps" on his anterior maxilla.

A 3-month-old boy presented with a white "bump" on his anterior mandible.