<prompt> What is prolotherapy which is used for the treatment of TMJ discoloration:Regeneration injection therapy.Injection to paralyze the lateral pterygoid muscle.Thickening of joint therapy.All of the above.  <response>: ProlotherapyProliferation therapyRegeneration injection therapy.Principle:Stimulation of joint tissue.Organized planned Microtrauma by Needle and By Chemicals .So as to produce growth Function which regenerateRejuvenate the Joint. 