Oral lichen planus? This dryness?

I have shown this to various dentists they're saying its normal but dermatologists are saying its oral lichen planus. I am not sure what to do. I have absolutely no issues with the pigmentation, i get it, its physiological. But the issue that's bothering me is dry mouth. My tounge feels dry, my buccal mucosa feels abnormally dry even though enough saliva is there, i am literally scared now about it being any malignant issue :(. What should I do, how do I resolve this dryness? Tongue feels dry after i drink water(feeling is like when you tongue touches any hot object after that how it feels, like that, rough). Please help me. Right now m taking becosule z, lymcee and aquasol a capsules. Please help, i want to get rid of this dryness!