Amends the Illinois Insurance Code. Provides that an individual or group policy of accident and health insurance amended, delivered, issued, or renewed on or after January 1, 2025 shall provide coverage for medically necessary care and treatment to address a major injury to the jaw either through an accident or disease. Provides that the required coverage may impose the same deductible, coinsurance, or other cost-sharing limitations that are imposed on other related benefits under the policy. Defines "medically necessary care and treatment to address a major injury to the jaw either through an accident or disease".