California Code, Health and Safety Code - HSC § 1374.194

(1) “Dental waiting period provision” means a plan contract provision that limits coverage for a specified period of time following an enrollee's effective date of coverage.

(2) “Plan” means a health care service plan that issues, sells, renews, or offers a plan contract covering dental services, including a specialized health care service plan covering dental services.

(3) “Preexisting condition provision” means a contract provision that excludes or limits coverage for services, charges, or expenses incurred following an enrollee's effective date of coverage for a condition for which dental services, diagnosis, care, or treatment was recommended or received preceding the effective date of coverage.