A patient who has received professional services from a dentist or another dentist of the same specialty who belongs to the same group practice, within the past three years, subject to state laws.
The extent to which the members of a covered group use a program over a stated period of time; specifically measured as a percentage determined by dividing the number of covered individuals who submitted one or more claims by the total number of covered individuals. Also, an expression of the number and types of services used by the members of a covered group over a specified period of time.