Intra-oral TMJ treatment involves therapeutic interventions that are applied directly within the oral cavity to address temporomandibular joint disorders and associated symptoms. STRONG. chiropractors and physiotherapists may employ techniques such as massage, stretching exercises, and manual manipulation to alleviate muscle tension and improve jaw function. In some cases, intra-oral treatments are integrated with other modalities like physical therapy, oral devices, and stress management for a comprehensive approach to managing TMJ disorders.