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24 Cards in this Set

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DEVELOPMENTAL VARIATIONS OF NORMAL ORAL STRUCTURES

Epstein's Pearls (2)
Epithelial inclusion cyst
Palatal midline
DEVELOPMENTAL VARIATIONS OF NORMAL ORAL STRUCTURES

Bohn's Nodules (2)
Buccal and lingual aspect of alveolus
Ectopic mucous glands
DEVELOPMENTAL VARIATIONS OF NORMAL ORAL STRUCTURES

Dental Lamina Cysts (2)
Crest of the alveolus
Remnants of dental lamina
DEVELOPMENTAL VARIATIONS OF NORMAL ORAL STRUCTURES

Hyperplastic Foliate Papillae (3)
Lateral border of tongue
Easily traumatized
Normal lymphoid tissue
DEVELOPMENTAL VARIATIONS OF NORMAL ORAL STRUCTURES

Fordyce Granules (5)
30% of children
Ectopic sebaceous glands in oral mucosa
Elevated yellowish nodules
Maybe discrete or confluent
Common sites: buccal mucosa, upper lip
DEVELOPMENTAL VARIATIONS OF NORMAL ORAL STRUCTURES

Median Rhomboid Glossitis (5)
? Result of anomalous vascularity vs. persistence of tuberculum impar
Usually asymptomatic, but may cause soreness/burning
Surface flat or slightly raised
Color varies from pale pink or whitish to bright red
Candidial infection present (~40%)
DEVELOPMENTAL VARIATIONS OF NORMAL ORAL STRUCTURES

Fissured Tongue (4)
Rarely seen before age 4 years
? Genetic (A.D.) Autosomal Dominant
3-5% frequency, but higher in mentally retarded population
May be associated with Melkersson-Rosenthal syndrome
DEVELOPMENTAL VARIATIONS OF NORMAL ORAL STRUCTURES

Melkersson-Rosenthal syndrome (8)
Rare
Facial palsy (40%)
Facial swelling
Labial swelling in >80%
Maybe recurrent
Becomes persistent with progressive fibrosis
Fissured tongue (50%)
Etiology unknown
DEVELOPMENTAL VARIATIONS OF NORMAL ORAL STRUCTURES

Leukoedema (5)
If you stretch cheek, it disappears
Most commonly seen in African Americans
Grayish-white thickening of buccal mucosa
Usually bilateral
Extensive intracellular edema of epithelium
DEVELOPMENTAL VARIATIONS OF NORMAL ORAL STRUCTURES

Idiopathic Osteosclerosis (5)
Well-defined radiopacity in the tooth-bearing area of jaw
No surrounding radiolucent space
Not typical of any other condition
Mandibular premolar/molar area most common
Maybe related to root apex, but normal PDL
DEVELOPMENTAL VARIATIONS OF NORMAL ORAL STRUCTURES

Stafne Bone Defect (3)
Males with square jaws
Cyst-like radiolucent area near angle of mandible
Indentation of bone containing extension of submandibular gland
DEVELOPMENTAL VARIATIONS OF NORMAL ORAL STRUCTURES

Bifid Tongue (3)
Developmental malformation
May coexist with orofaciodigital syndrome
Complete form requires surgical reconstruction
DEVELOPMENTAL VARIATIONS OF NORMAL ORAL STRUCTURES

Bifid Uvula (3)
Minor expression of cleft palate
Must rule out submucous cleft
May require surgical correction
MACROGLOSSIA

Discrete swellings or lumps/bumps (5)
Congenital
Inflammatory
Traumatic
Neoplastic
Others
MACROGLOSSIA

Lingual thyroid (3)
Redundant thyroid tissue in tongue
Hypothyroidism (~20%)
~70% lack normal thyroid tissue in neck
VASCULAR MALFORMATIONS OF THE TONGUE (4)
Present at birth
Become clinically evident in late infancy/early childhood
May increase in size following trauma, infection, or endocrine changes
~35% associated with skeletal changes
VASCULAR MALFORMATIONS OF THE TONGUE

Lymphangioma (4)
Diffuse vs. discrete
Tongue most common site
Surface often papillary or vesicular
Tx: Surgical excision
VASCULAR MALFORMATIONS OF THE TONGUE

Hemangioma (5)
Common vascular tumor of infancy
Usually appear early in infancy, grow rapidly until age 6 to 8 months, then slowly involutes
Blanch on pressure
Generally do not involve adjacent skeletal tissue
Tx: Watch and Wait
VASCULAR MALFORMATIONS OF THE TONGUE

Infection/Abscess (3)
Uncommon, but may follow traumatic injury
May represent secondary infection of neoplasm/cyst
Tx: Antibiotics
VASCULAR MALFORMATIONS OF THE TONGUE

Tongue pyogenic granuloma (5)
Looks similar to hemangioma
Common reactive lesion
Painless, nodule, red lesion
Typically pedunculated with ulcerated surface
Tx: Surgical Excision
VASCULAR MALFORMATIONS OF THE TONGUE

Riga-Fede disease (3)
Chronic trauma from primary lesion
Typically ulcerated lesion on tip of tongue
Tx: Smooth incisal edges
VASCULAR MALFORMATIONS OF THE TONGUE

Fibroma (4)
Most common tumor of oral mucosa
Often the result of chronic trauma
Typically painless, firm, sessile or pedunculated
Tx: Surgical Excision
VASCULAR MALFORMATIONS OF THE TONGUE

What are the two reasons isolated lesions look white in the mouth?
Keratin
Necrosis
VASCULAR MALFORMATIONS OF THE TONGUE

Papilloma (6)
70% will appear white due to keratin
Human papilloma virus
Exophytic, well circumscribed
Usually pedunculated with either finger-like projections or cauliflower surface
Rule out condyloma acuminatum
Tx: Surgical removal