Dental Examination

Dental exams are a critical part of preventive health care. Regular dental exams give your dentist a chance to detect any problems early when they're most treatable. During a dental exam, your dentist or hygienist will:

A small dental mirror can be very useful for home diagnosis of possible dental problems. In the event that you notice any potential issues, it is strongly advisable to visit your local dentist.

Wikipedia - Mouth Mirror
Dental Mirror