An 18-year-old man with a lesion in the middle of the tongue.

A 15-year-old girl with a lesion over the left buccal mucosa.

A 1-month-old girl with a mobile primary mandibular incisor.

A 6-year-old boy with an unusual radiographic finding.

An 8-year-old girl with a small black lesion lingual to tooth #H.

A 23-year-old woman with a lesion noted on a panoramic film at the anterior mandible.

An 18-year-old woman with a soft, painless nodule over the left side of the inferior lip.

A 76-year-old woman with mild to moderate pain over the posterior right maxilla.

A 7-year-old girl with discolored teeth and caries.

A 5-year-old boy with gingival overgrowth over the right side of the maxilla.

A 49-year-old woman with a lesion on the right side of the maxilla.

A 5-year-old girl with a small brown area at the gumline.

A 47-year-old woman with a small lesion over the dorsum of the tongue.

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

A 12-year-old girl with a bilateral red area in the soft palate.

A 4-year-old girl with a lesion at the right mandible.

A 5-year-old boy with generalized hyperplasia of the gums.

A 17-year-old boy with a sore in the hard palate.

A 39-year-old woman with a lesion on the right side of the posterior mandible.