Final answer:
Category 3 is the dental priority category that identifies members of a reserve component of the Armed Forces and National Guard Personnel.
Step-by-step explanation:
The dental priority category that identifies members of a reserve component of the Armed Forces and National Guard Personnel is known as Category 3. Category 3 is for individuals who require dental treatment that can be postponed without undue medical risk. These individuals may have some dental conditions, but they are not urgent and do not require immediate treatment.