Kindly consult a dentist in person for further suggestion. We need more investigations with clinical examination to decide upon treatment. Drink plenty of water. For dry mouth, consider chewing sugar-free gum or sucking on sugar-free candies to help stimulate salivary flow. There also are artificial saliva’s on the market that may help to induce salivation. Sialogogues (Pilocarpine 30 mg/day. Contraindications - include many lung conditions, such as asthma, cardiac problems, epilepsy and Parkinson's disease). Advance procedures can be done with laser. You may consult me in person. DENTAL TIPS: - Visit a dentist every six months for cleaning and a thorough dental check-up. Limit sugary food to avoid tooth decay. Gargle your mouth thoroughly after every meal. Scrub gently to clean your tongue with a tongue cleaner. Floss all your teeth inter dentally & brush twice daily, morning & night, up & down short vertical strokes, with ultra-soft bristles, indicator brush. Tooth brush to be changed every 2 months.