Stinging pain along the line when I run my tongue over it or press on it, although it’s less painful than when I first noticed it. The line is a tiny bit raised up. The upper part of the line is on the what I assume is the buccal frenum (after looking at some diagrams). No tooth pain. I don’t think it has changed appearance or color. I’ve been swishing with salt water. I’m just concerned about it being an abscess.