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Bruxism / TMJ VA Disability Rating is rated by the U.S. Department of Veterans Affairs under DC 9905 of 38 C.F.R. § 4.150 across 3 severity tiers (40% -- Loss of all teeth, prosthesis cannot be constructed / 20% -- Significant tooth loss / 10% -- Partial tooth loss from trauma). Service connection requires (1) a current diagnosis, (2) an in-service event, injury, or exposure, and (3) a medical nexus opinion linking the two under 38 C.F.R. § 3.303.
Temporomandibular joint disorder (TMJ/TMD, DC 9905) is rated on inter-incisal range of motion from 10-40%. 10% for range of 31-40mm. Bruxism (teeth grinding) is a common cause and may be secondary to PTSD, anxiety, or medication side effects.
Bruxism / TMJ (DC 9905) is evaluated under 38 C.F.R. § 4.150 using the dental rating framework. Because it is rated by analogy to the general schedule, the 3 levels below describe the body-system criteria the VA applies — the percentage assigned to Bruxism / TMJ depends on the specific findings (range of motion, frequency, severity, or functional loss) documented at the C&P exam and in the medical record.
Rating criteria reference 38 C.F.R. Part 4 (Schedule for Rating Disabilities). This entry has not yet undergone editorial review against the live regulation text — consult the authoritative source directly before relying on the criteria shown.