Qat (khat, kat) chewing is primarily a habit of peoples living in Southern Arabia and Eastern Africa. Long-term use can have a number of effects on the user.
Patient selection: qat user
Oral complications may include:
(1) plasma cell mucositis
(3) oral cancer
(4) damage to teeth including periodontitis and discoloration
(5) gingival recession
Risk factors for malignancy:
(1) concurrent tobacco use
(2) habitual heavy use
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