Most people know they should visit the dentist twice a year, but many skip these appointments when life gets busy. What many patients don't realize is that regular dental checkups do far more than check for cavities — they can detect early signs of serious health conditions and prevent problems that would be far more costly and painful to treat later.
What Happens During a Comprehensive Exam
Dr. Chao's approach to dental examinations is notably thorough — typically lasting one hour or more. During this time, he evaluates not just your teeth, but your gums, bite, jaw joints, and oral tissues. This comprehensive approach ensures that nothing is missed.
Early Detection of Gum Disease
Periodontal (gum) disease is one of the most common chronic diseases in the world, affecting nearly half of all adults over age 30. In its early stages, gum disease is often painless and invisible to patients — but a trained dentist can detect it before it causes significant damage. Early treatment is far more effective and less invasive than treating advanced gum disease.
Oral Cancer Screening
Every comprehensive dental exam includes a screening for oral cancer. When detected early, oral cancer has a high survival rate. Regular dental visits are one of the most important tools for early detection.
The Mouth-Body Connection
Research has established strong links between oral health and systemic health conditions including heart disease, diabetes, and Alzheimer's disease. Maintaining good oral health is not just about your teeth — it is an investment in your overall health.
Don't wait until you have a problem to see the dentist. Schedule your comprehensive exam with Dr. Chao today at (626) 308-9104.

Dr. John Chao, DDS, MAGD
Inventor of Pinhole Gum Rejuvenation®
Dr. Chao is a distinguished dentist, inventor, and educator based in Alhambra, CA. He has trained over 4,000 dentists worldwide in the Pinhole Surgical Technique®.
