Dr. Shirley Zhao provides expert periodontal care in Tracy, CA, including scaling and root planing and ongoing periodontal maintenance to protect your gums and preserve your natural teeth. As a Fellow of the International Congress of Oral Implantology with advanced training from UCLA and University of the Pacific, she combines gentle technique with modern technology. Call our office or schedule a visit at 1431 N Tracy Blvd to get your gum health back on track.
Your Trusted Tracy Dentist
Since 2013
Periodontics focuses on diagnosing, treating, and managing gum disease to prevent such complications and maintain your long-term oral health.
A Periodontist is basically a gum specialist. While a regular dentist looks at the teeth, we look at the bone and the soft tissue that keeps everything in place. We’ve helped folks all over Tracy, from the quiet streets of Hidden Lake to the busy homes near West Valley Mall, deal with gum disease. It’s way more common than you think. If you’ve noticed your gums are pulling away from your teeth, or if your teeth feel a little loose, it’s time to see a specialist.
We use a gentle touch to check the “pockets” around your teeth. If those pockets are too deep, bacteria can hide where your toothbrush can’t reach. We explain everything in plain English so you don’t feel lost. No scary medical talk here—just honest advice on how to save your smile. We’ve seen it all, and we’ve helped people who thought they were going to lose all their teeth get back to eating steak and apples without any fear.
Gum disease is sneaky. It doesn’t always hurt, and it doesn’t always look alarming — at least not at first. Honestly, a lot of our Tracy patients are caught off guard during a routine exam when we tell them their gums have started pulling away from their teeth. Those little pockets that form? They’re basically a five-star hotel for bacteria.
But here’s the good news. If we catch periodontal disease in the early-to-moderate stages, scaling and root planing works incredibly well. You might’ve heard it called a “deep cleaning,” and that name makes sense because it goes way beyond your typical cleaning appointment.
So what actually happens? During the scaling part, we use specialized instruments along with ultrasonic technology to get rid of plaque, tartar, and bacterial toxins hiding below your gumline. Your toothbrush can’t reach those spots. Neither can floss. Then comes root planing — we smooth out the rough surfaces on your tooth roots, which does two things: it takes away the places bacteria love to hide, and it helps your gum tissue grab back onto the teeth nice and tight.
Comfort matters to us. A lot. Dr. Zhao offers nitrous oxide sedation if you’re feeling nervous, and we use local anesthesia so you won’t feel a thing during the procedure. Here’s what we hear over and over from patients: “The worrying beforehand was the worst part.”
Tracy’s grown fast — we’re over 100,000 residents now. That means lots of young families and working folks who’ve maybe pushed dental visits to the back burner during hectic stretches of life. It happens. No judgment here.
The CDC says nearly half of American adults over 30 have some form of periodontal disease. And yeah, the San Joaquin Valley is no exception to that number.
Here’s the thing most people don’t realize: gum disease doesn’t stay in your mouth. Researchers have connected periodontal bacteria to heart disease, diabetes complications, and respiratory infections. That’s a big deal. Scaling and root planing can stop gum disease from progressing — before you’re looking at tooth loss or bigger health problems down the road.
A little tenderness afterward? Totally normal. Some sensitivity to hot and cold? That’s common too. It usually clears up within a few days. We’ll send you home with clear aftercare instructions and might suggest a medicated rinse to help things heal up.
Most patients start noticing real improvements within a couple of weeks. Less bleeding when you brush. Gums that aren’t so red or puffy. That firm feeling coming back. We’ll bring you in for a follow-up to measure your pocket depths and make sure everything’s healing the way it should.
One thing catches a lot of our patients off guard: once you’ve had periodontal disease, you’re always going to be more susceptible to it coming back. That’s just how it works.
So periodontal maintenance isn’t something you can skip. Think of it as protecting the investment you already made with scaling and root planing. You did the hard part — now let’s keep those results.
We typically schedule these visits every three to four months instead of the usual six-month cleaning interval. Each time you come in, our team measures your gum pocket depths, clears out any new bacterial buildup above and below the gumline, and keeps a close eye out for any signs that disease is trying to creep back.
A regular cleaning? That focuses on plaque and tartar on the visible parts of your teeth — maybe dipping just slightly below the gumline. Periodontal maintenance goes deeper. Literally. We’re cleaning into those pockets that formed during your gum disease, even after treatment has improved them.
We also check on your bone levels using our digital dental X-rays and 3D imaging technology. These tools give Dr. Zhao a really precise look at what’s going on beneath the surface, so she can catch changes early — before they become problems. If you’re curious about the full range of preventive and restorative options available here, take a look at our comprehensive dental services to see how periodontal care connects with your overall treatment plan
Tracy summers are brutal. Temps regularly blow past 100°F, and that kind of heat dehydrates you fast. Why does that matter for your gums? Because saliva is one of your body’s built-in defenses against oral bacteria. Less saliva means more risk. So when we tell you to drink water, we’re not just being health nuts — it genuinely helps protect your periodontal health.
And then there’s the air quality issue. Seasonal smoke, elevated particulate matter — the Central Valley deals with a lot of it. That stuff ramps up inflammation throughout your body, and chronic inflammation makes gum disease harder to manage. It’s one more reason those consistent maintenance visits really matter for folks living right here in Tracy.
Early detection is key. Watch for symptoms of gum disease, a common form of gum disease, such as:
If you experience any of these signs, timely evaluation can protect your smile, prevent damage to tissues and bone, and, if needed, allow Dr. Zhao to perform pocket reduction surgery to restore gum health.
Many dental conditions develop quietly, without pain or obvious warning signs. Regular exams and modern diagnostic tools help detect subtle changes, including plaque and tartar buildup, so we can act early with effective dental cleaning and care.
At Smiles Dental Spa, your trusted Tracy dentist, prevention is at the heart of everything we do. We provide thorough evaluations, clear communication, and individualized care so you understand your oral health and feel confident in your treatment plan.

















Yes, Smiles Dental Spa accepts walk-ins for dental emergencies including emergency examinations, emergency tooth extractions, and abscess drainage. Dr. Zhao also offers a 24-hour emergency phone line so patients can reach the office anytime, even outside regular business hours.
Yes, teeth whitening can be safe for patients with sensitive teeth when customized by a dental professional. Dr. Zhao may recommend desensitizing toothpaste before treatment, adjust the whitening agent concentration, or shorten application time. Active gum disease should be treated before pursuing whitening for the best results.
The American Academy of Pediatric Dentistry recommends children see a dentist by their first birthday or within six months of their first tooth erupting. Smiles Dental Spa offers pediatric services including oral examinations, cleanings, fluoride treatments, sealants, and space maintainers, with staff who speak Cantonese, Chinese, Tagalog, and Spanish.
Smiles Dental Spa is located at 1431 N Tracy Blvd, Tracy, CA 95376, along one of Tracy’s main commercial corridors. On-site parking is readily available for patients, and the office is easily accessible from neighborhoods throughout Tracy as well as nearby communities like Mountain House and Lathrop.
At Smiles Dental Spa, patient comfort is a priority. While deep cleanings can sometimes cause mild sensitivity or tenderness afterward, Dr. Zhao provides thorough aftercare guidance and pain relief solutions. Our team ensures that every office visit is smooth and convenient while maintaining your long-term oral health. Early detection and treatment are crucial, as disease refers to underlying health conditions that can affect your gums, teeth, and overall dental well-being.
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Arranging your dental care is straightforward and efficient. Contact us at (209) 836-1748 or book your appointment online instantly through NexHealth.
Your healthiest smile is just an appointment away.


1431 N Tracy Blvd
Tracy, CA 95376