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Key Points
 
Geographic tongue is a non-pathologic variant of normal.
 
The buccal mucosa is the most common site of chronic biting.
 
Bleeding in response to minor trauma is characteristic of a pyogenic granuloma.
 
There are 3 types of oral ulcers: traumatic, infectious, and aphthous.
 
Aphthous ulcers are the most common type of oral ulcer in the United States.
 
The etiology of aphthous ulcers is unknown.
 
The 3 subtypes of aphthous ulcers can be distinguished clinically.
 
Angular cheilitis is often worsened by candidal or staph superinfection.
 
Persistent or unusual leukoplakia lesions may be a sign of an underlying disorder.
 
Epstein-Barr Virus is a causative agent of oral hairy leukoplakia.
 
Mumps parotitis is typically bilateral and associated with systemic symptoms.
 
Staph aureus is the most common cause of bacterial parotitis.
 
Parotitis from a sialolith does not require any specific treatment unless superinfection occurs.
 
Inclusion cysts are extremely common, with Epstein's pearls being the most common variant.
 
Inclusion cysts usually resolve spontaneously by 3 months of age.
 
An Epulis is a benign, pedunculated mass.
 
Enamel hypoplasia has many potential etiologies.
 
Dentinogenesis and Amelogenesis Imperfecta are usually inherited in an autosomal dominant fashion.
 
Dentinogenesis Imperfecta Type I can be associated with Osteogenesis Imperfecta.
 
A notched or heart-shaped tongue tip indicates ankyloglossia.
 
A frenectomy may improve feeding success.
 
Cleft lip is the most common congenital craniofacial anomaly.
 
Submucosal cleft commonly accompanies a bifid uvula.
 
Spontaneous resolution is expected with a mucocele but not a ranula.
 
Bony tori can develop on the hard palate or the floor of the mouth.
 
Diastema that persist after eruption of the permanent maxillary canines should be evaluated.
 
The differential diagnosis of macroglossia is broad.
 
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