An 18-year-old woman with a radiopacity at the left maxilla.

A 31-year-old woman with a radiolucency at the right mandible.

A 3-year-old boy with bleeding gums, spiking fevers, and mouth soreness.

An 8-year-old girl with unusually colored primary teeth.

A 24-year-old man with progressive swelling of the lower lip.