1. Mucocele
2. Fibroma
3. Neurofibroma
4. Salivary gland tumor
5. SSC 

1. Salivary gland neoplasm
2. Ossifying fibroma
3. Exostosis
4. Nasopalatine duct cyst - if anterior midline 

1. Salivary gland tumor
2. Fibroma
3. Salivary duct cyst 

Mass - Gingiva/

Alveolar mucosa

1. Pyogenic granuloma - red
2. Peripheral ossifying fibroma - pale
3. Peripheral giant cell granuloma 

1. Fibroma
2. Granular cell tumor
3. Benign N. sheath tumor 

White:

Buccal vestibule

1. Candidiasis
2. Lichen planus
3. Chemical
4. Aspirin burn
5. Smokeless tobacco keratosis
6. Linea alba 

1. Epithelial dysplasia
2. Frictional keratosis
3. Candidiasis -
• acute pseudomembranous or
• chronic hyperplastic 
4. Hairy leukoplakia
5. Lichen planus
6. Smoking related leukoplakia

Leukoplakia:

alveolar ridge

1. Frictional keratosis
2. Candidiasis - chronic hyperplastic
3. SCC
4. Smoking related leukoplakia 

Petechiae -

palatal junction

1. Trauma
2. Thrombocytopenia
3. Severe vomiting/coughing
4. Mononucleosis 

1. Cemento-osseous dysplasia
2. Ossifying fibroma
3. Calcifying odontogenic cyst
4. Odontoma
5. Calcifying epithelial odontogenic tumor
6. Ameloblastic fibroodontoma 

1. OKC (odontokeratocyst)
2. Ameloblastoma
3. CGCG (Central Giant Cell Granuloma)

1. Cemento-osseous dysplasia
2. Multiple myeloma
3. Hyperparathyroidism
4. Dentin dysplasia = rootless teeth
5. Dentigerous imperfecta = tulip teeth

1. Calcifying epithelial odontogenic tumor (mand)
2. Ameloblastic fibroma (post mand)
3. Ameloblastic fibro-odontoma (kids)
4. Adenomatoid odontogenic tumor (max canine)
5. Dentigerous cyst (RL completely, attached to CEJ) 

1. OKC (odontokeratocyst)
2. Ameloblastoma
3. CGCG (Central Giant Cell Granuloma)

1. PA granuloma
2. PA cyst
3. PA cemental dysplasia
4. PA scar (endo tx)
5. Granular cell odontogenic tumor
6. Odontogenic fibroma - roots resorbed