| A normal variation in oral mucosa presenting as a white line on the buccal mucosa at the level of the occlusal plane extending horizontally from the commissure to the most posterior teeth. | Linea alba buccalis
The differential diagnosis is Leukoplakia,frictional keratosis. |
| Isolated keratotic patches related to identifiable local irritant such as cheek biting. | Frictional keratosis.
The differential diagnosis is leukoplakia,plaque type oral lichen planus,chemical burn,oral thrush. |
| White keratotic lesion that can be rubbed off resulting from applying drugs adjacent to buccal mucosa. | Chemical burn.
The differential diagnosis is frictional keratosis,candida,leukoplakia,plaque type oral lichen planus. |
| Sloughing white lesion on oral mucosa proceeding a traumatic event. | Traumatic ulcer
The differential diagnosis is apthous ulcer,leukoplakia. |
| A premalignant lesion secondary to long term sun exposure. | Actinic keratosis
The differential diagnosis is recurrent herpes labialis,erythema multiforme,exfoliative cheilitis,angular cheilitis. |
| A precancerous lesion exhibiting diffuse keratosis on chewing side of buccal mucosa and discolaration of teeeth,it affects betel nut chewers. | Oral snuff keratosis
The differential diagnosis is frictional keratosis,plaque oral lichen planus,chemical burn and leukoplakia. |
| A keratotic lesion affecting cheek and lip mucosa due to heat liberated in mouth. | Glass blowers keratosis
The differential diagnosis is leukoplakia,plaque oral lichen planus,oral thrush. |
| A lesion caused by smoking appearing in palate as yellowish white rings around opening of salivary gland ducts. | Stomatitis nicotina
The differential diagnosis is erosive oral lichen planus,early squamous cell carcinoma,atrophic candidiasis and kaposi sarcoma. |
| A lesion caused by smoking appearing in palate as yellowish white rings around opening of salivary gland ducts. | Stomatitis nicotina
The differential diagnosis is erosive oral lichen planus,early squamous cell carcinoma,atrophic candidiasis and kaposi sarcoma. |
| A chronic debilitating disease caused by betel nut chewing characterised by inflammation and progressive fibrosis leading to inability to open mouth. | Oral sub mucous fibrosis.
The differential diagnosis smokers keratosis,homogenous leukoplakia,oral lichen planus |
