We are Sienna Modern Dentistry and Orthodontics

Trusted by your community, we provide the dental treatment you need for a healthier smile.

good smile
 
20339

Meet Dr. Andy Cao

Dentistry is about more than just repairing broken teeth. It is about making my community healthier, eliminating pain, and restoring confidence in smiles. I am actively learning every aspect of dentistry to be able to help patients in every situation.

 

 
Google map of Sienna Modern Dentistry and Orthodontics
ADDRESS

281-778-5355

fax : 281-778-5357

8740 Hwy 6

Ste 150

Missouri City, TX

77459

We are located on the southwest corner of Hwy 6 & Sienna Pkwy, in the Sienna Plantation Shopping Center, near the HEB
BUSINESS HOURS
  • Mon : 8:00 AM - 5:00 PM
  • Tue : 8:00 AM - 6:00 PM
  • Wed : 7:00 AM - 6:00 PM
  • Thu : 8:00 AM - 6:00 PM
  • Fri : 7:00 AM - 4:00 PM
  • Sat : Closed
  • Sun : Closed

  • • Summer is finally here! Schedule your summer check-up today to keep your smile healthy and bright all season long! • Emergencies and walk-in appointments are welcome! •
LANGUAGE SPOKEN
  • English
INSURANCE

We take most major insurances, including:

  • Aetna
  • Ameritas
  • Anthem Blue Cross
  • Cigna
  • Delta
  • Guardian
  • MetLife
  • United Health Care
  • UCCI
 
 

We Keep Missouri City Smiling

Sienna Modern Dentistry and Orthodontics in Missouri City will make your health a priority and looks forward to serving your needs. We offer options to fulfill the dental needs of residents in Missouri City, Sienna Plantation, Dewalt, Trammels, Teal Run, Riverstone, Lake Olympia, and Quail Valley. Our office is conveniently located on the southwest corner of Hwy 6 and Sienna Pkwy in the Sienna Plantation Shopping Center, near H-E-B. More information about the services we offer can be found on our Services page. Our office is proud to accept many insurance plans and provides flexible payment options. We also offer a dental discount plan for people who do not have dental insurance. We are accepting new patients and will always make room for your family and friends should you give us the honor of a referral. Scheduling an appointment is easy! Schedule online, call our office, or take advantage of our free virtual screening. If you are experiencing oral emergency symptoms, like bleeding, pain, swelling, or an infection, you may need an emergency dentist appointment. Please call our office at 281-778-5355. We look forward to serving you!

Office Photo of Sienna Modern Dentistry and Orthodontics
 
 

We Pride Ourselves on Our Service

 

When you choose Sienna Modern Dentistry and Orthodontics, you step into a new era of dental excellence with our advanced, proven technology. Explore the advantages of transformative technology, such as Digital X-Rays and CEREC® CAD/CAM single-visit crowns.

 
 
 

Special Offers

 
 

Trusted by Families Across Missouri City, TX

 
An Trang

Dr. Vincent Nguyen is the absolute best! He is so knowledgeable, patient, informative and truly cares about not only your teeth, but your well-being. His staff, especially Ms. Pauline, is so welcoming and friendly! Highly recommend Dr. Nguyen as your dentist!!

Nekeya Rashid

My experience at Sienna Modern Dentistry was phenomenal. The staff are extremely professional. My assessment, cleaning and polishing was not painful and pleasant. Thanks Paula, Judy, and Dr. Aja making me feel comfortable during my dental care!

Daniel Nguyen

I have not been to the dentist in over several years and have been rather hesitant towards going back due to past experience.After much contemplation, however, I decided to give this office a shot as an appointment and cleaning were long overdue. The office was clean and modern both in its front and back portion of the establishment. The staff were very friendly and helpful and created a space that was pleasant to be in. Following a short period after checking in, I was greeted by Dr. Nguyen with a warm smile. Throughout the entire appointment, he exuded a calm demeanor, allowing me to ask questions and patiently addressing any concerns I had with my dental health. He was gentle in his approach, yet precise at the same time during the entirety of the exam. What was normally a traumatic moment for me turned out to be a pleasant experience on all ends. I can, without a shadow of a doubt, say that Dr. Nguyen truly made going to the dentist something to look forward to in the near future. Thank you Sienna Modern Dentistry and Dr. Nguyen for making this young man trip to the dentist something worthwhile.

 
Woman with credit card and phone
 

Payment Options

 

Insurance

We happily accept a variety of dental insurance plans and file the claim on your behalf. Rest assured, we maintain transparency throughout the entire process. 

Smile Generation Dental Plan

No dental insurance? No worries. Smile Generation Dental Plan offers up to 50% discounts on most treatments. 

Smile Generation Financing

You only have one smile, so we gladly offer flexible payment options to make caring for it more affordable. Finance up to $25,000 for 60 months and enjoy 0% interest and low-interest plans on approved credit.

 
 

What is the Mouth-Body Connection® ?


The Mouth-Body Connection® refers to the link between oral health and overall health, and the role that the harmful bacteria and inflammation in our mouths play in chronic, systemic disease. That’s why it’s time we talked about more than your teeth. Our office prioritizes your overall health as it relates to your oral health. When we care for your smile we’re also looking out for your entire self.

 
 
Toothbrush