Oral appliances for sleep apnea aren’t the only service that may be billable by dentists to patients’ medical insurance, reports The New York Times, but be aware that insurers are always on the lookout for abuse.

On its website, the California Dental Association explains that health insurance should cover costs that are “medically necessary” and lists more than a dozen categories of procedures that could qualify. Among them: treatment related to inflammation and infection, dental repair resulting from injury, certain periodontal surgery procedures and appliances for sleep apnea.

Get the full story at nytimes.com