A health plan allowing the member to choose to receive a service from a participating or non-participating provider, usually with different benefits levels associated with the use of participating providers.
Plaster or stone model of teeth and adjoining tissues; also referred to as study model. Primarily for use in extra-oral examinations of relationships existing between oral tissues so as to determine how those relationships will effect form and function of a dental restoration or appliance being planned, or so as to determine whether subsequent pre-definitive impression tissue treatment or modification might be necessary in order to insure optimal performance of the planned restoration or appliance.