For me I use Phillips soniccare tooth brush which is infinitely better than a manual one. Have you tried your luck with iodine mouthwash? It’s more expensive and tastes gross but it’s really good for gingivitis and doesn’t burn. Also if you aren’t already, flossing everyday and maybe after each meal if needed is important. Floss has to be reaching below the gums to pull out the trapped food and not just in between the teeth.

Time to bust out the cranberry juice

“trying to make them” is a problematic phrase and why this doesn’t make sense. Nobody should be “made” to do anything, if people are choosing to look different they should be free to do so.