This could arise from wisdom tooth or a sharp tooth edge and sometimes from a wrong bite. It would be better to visit a dental clinic in your city for check. To help avoid recurrence. Hope this helped

Hi.. In some this is commonly seen, as long as you are not having pain or a burning sensation nothing to worry. And also tou said there is no abnormality like sharp tooth or allergies so no problem. If you are having problem with impacted wisdom tooth then you can go for removal but Co Mn King to your concern that redness is not because of impacted tooth.

May be mucositis Apply triamcinolone 0.1%

Hi, Since when has this irritation started. Check if there is any sharp tooth which could be causing the irritation. Share your OPG to get an idea of thee impacted wisdom tooth position.

Hii no need to worry its because of sharp tooth get it trimmed apply some oral gel over it Mentain oral hygiene Brush twice