The appearance is most consistent with localized traumatic/irritative inflammation of the buccal mucosa, likely related to repeated mechanical irritation from the toothpick and/or contact with the adjacent wisdom tooth. The short duration of 4 days supports a traumatic cause. Given the previous history of tobacco chewing, however, a persistent or non-healing red lesion should be evaluated clinically.
Next Steps
* Stop using toothpicks in the area and avoid any further mechanical irritation.
* Avoid tobacco/areca-nut products, smoking and alcohol.
* Maintain good oral hygiene and use warm saline rinses 2–3 times daily.
* Avoid very spicy/hot foods until the area settles.
* If the wisdom tooth is repeatedly traumatizing the cheek, an in-person dental examination is recommended.
* Reassess after 1–2 weeks. If the redness does not resolve, or if it develops into an ulcer, becomes indurated, enlarges, bleeds, or develops a white/red mixed patch, seek evaluation by an oral medicine/oral surgery specialist and consider further investigation.
Health Tips
The photographs alone cannot establish a definitive diagnosis. Do not repeatedly rub, scrape or check the lesion, as this can delay healing. Although the current history favors traumatic irritation, the previous tobacco-chewing history makes persistence beyond 2 weeks a reason for prompt professional evaluation, rather than continued observation.