**18. Intraoral appliance treatment guideline for OSAS patients**

The American Sleep Disorders Association (ASDA) has prepared a protocol for OA treatment in OSAS patients. A dental sleep specialist should follow up the stages below in the treatment of an OSAS patient [21, 24]:

compliance are investigated. If the OA is found to be less effective, the titration of OA or fabrication of a new OA should be done.