Female white toothy smile
Smiling Family


At  Arch Dentistry we take a dignified approach to Dentistry. Dr. Sonu is excited to carry forward the legacy of Dr.King & Dr.Stadnyk. Our office takes pride in serving the community for over 20 years.  We are committed to providing our patients with high-quality, comprehensive dental care for everyone. Whether your child just got his/her first tooth, your teen needs a cleaning or you need restorative or cosmetic work to improve your smile, we've got you covered. 

Our aim is to raise the standard of dentistry through a personal connection and state of the art dental care at affordable prices. Our entire team focuses on comprehensive family dentistry. We believe that less is more when it comes to healthcare and performing treatment on your teeth. We understand that the best treatment is the most conservative and preserving of your natural teeth. 

Come in and give us the chance to take care of you and build your trust through our commitment to improving your health through great dentistry.

Childrens Dentistry
Snoring & Sleep Apnea Treatment
Anxiety Free Dentistry


Dr Sonu Muthuvalliappan
Dr. Sonu Muthuvalliappan

General Dentist



Our Address

Arch Dentistry

Sonu Muthuvalliappan DMD

807 Hazelwest Drive

HazelWood, MO 63042


Phone: 314-SMILE-12 (764-5312)

Office Hours

Monday:  8:00 AM – 5:00 PM

Tuesday:  8:00 AM – 5:00 PM

     Wednesday:  8:00 AM – 5:00 PM

    Thursday:  7:00 AM – 5:00 PM

Thank you for contacting Arch Dentistry, we will contact you as soon as possible.