Desensitizing agents are defined as drugs that alleviate painful sensations that
        sometimes occur in exposed dentin and cementum.
    
    
    
        - Fluoride. Fluoride (in the form of sodium fluoride, stannous fluoride,acidulated-phosphate
            fluoride, and so forth) is used in many preparations. Preparations includetoothpaste,
            mouth rinse, topical gel, restorative materials, and many others. Fluoride isused
            in the treatment of hypersensitive dentin in the cervical areas of the tooth.
- Oxalates and varnishes. These materials can be used as liners underrestorations.
            Both materials plug dentin tubules to prevent dentin sensitivity.
- Bonding resins and dentin adhesives. With the newer systemsbecoming more adherent
            to dentin, these materials have become very popular. Resinsand adhesives are now
            designed to flow into dentin tubules to seal the dentin surfacewhen they are set.