Service
Routine exams and cleaning
At Happy Smiles at Columbia, routine exams and cleaning form the foundation of your dental health. We use gentle techniques to keep you comfortable while minimizing the need for complex procedures later on.

What to expect
We start with a thorough exam to check the health of your teeth and gums. Our staff then cleans your teeth using gentle methods to remove plaque and buildup. We discuss any findings with you before scheduling other procedures.
Why preventive care matters
Regular visits help us catch small issues early. A consistent cleaning routine reduces your risk of cavities and gum disease. This approach keeps your teeth healthy and helps you avoid more extensive dental work in the future.
Questions
Questions
How it works
How a check-up works
What happens while you are in the chair.
1A look at everything
Your teeth, gums and bite are checked for anything that needs attention, early, while it is still small.
2A proper clean
Plaque and tartar are removed and your teeth are polished.
3What comes next
Anything that needs doing is explained, with the cost, before it is booked.
About us
Why families choose Happy Smiles
At the same address in Columbia for over fifty years — started by Dr. Brockley, then Dr. Qilin Xu.
Fifty years, one address
543 Locust St has been the practice's home the whole time.
A dentist who knows you
Dr. Xu holds degrees in medicine and dentistry — the same doctor at every visit.
Routine to emergency
Exams and cleanings, fillings, dentures and veneers, whitening — and emergency care when something cannot wait.

Services
Other services
Everything we do, under one roof.
Questions about routine exams & cleaning? Ask us
Visit us
We're waiting for you in Columbia
543 Locust St
Columbia, PA 17512
- Monday – Thursday
- 8:00AM – 5:00PM









