About Our Practice

Richard Hardt, D.D.S. of Porterville, California, serves the comprehensive dental needs of the whole family. Under the leadership of Dr. Hardt and Dr. Lawryn Monterroso, the professional dental team at Richard Hardt, D.D.S. commits to helping each patient get and maintain a beautiful smile. Helping patients keep their natural teeth healthy is job one, but when cosmetic dental services are needed, the staff makes sure the restoration is just as good or better than natural teeth.

The friendly, experienced dental team at Richard Hardt, D.D.S. offers patients the most cutting-edge and highest-quality treatments. These treatments not only restore smiles, but also last for years to come, providing value as well as excellent service.

Services offered include dental checkups and professional hygiene cleanings, as well as a full range of restorative and cosmetic services such as dental crowns (including CEREC® same-day crowns), dental bridges, porcelain veneers, porcelain inlays and onlays, and Invisalign® clear aligners.

Dr. Hardt and Dr. Monterroso also treat patients with sleep apnea and temporomandibular joint (TMJ) disorders in addition to providing same-day dental care and emergency dental services for both existing and new patients.

In fact, Richard Hardt, D.D.S. is currently accepting new patients. Call the office in Porterville, California, or use online booking to schedule an appointment today.

Dr. Irene Cruz, DDS


Lawryn Monterroso, DDS

– Pacific Union College

– Loma Linda University

– 15 + years of Dental Experience


For Dr. Lawryn Monterroso dentistry runs in the family. With both her father and brother being dentists, Dr. Monterroso spent her youth steeped in the philosophy of the dental profession, absorbing lessons about the field as a child. Later, her family spent a month in Africa operating a field clinic and she gained immeasurable hands-on experience in clinical dental training.

Her journey in dentistry began as an undergraduate student at Pacific Union College in Angwin, California. She then moved on to Loma Linda University, where she graduated with a degree in dental surgery.

Dr. Monterroso brings her passion for dentistry to each patient she sees at Live Oak Dental Group. She enjoys all aspects of the profession, from routine dental checkups to oral surgery and cosmetic dentistry services.

When she isn’t seeing patients, Dr. Monterroso enjoys spending time with her husband Mark, who is a physician specializing in emergency medicine.

Shyanne Sisk, RDH

My dental career started in 2014 when I graduated from San Joaquin Valley College for Dental Assisting. Shortly after graduation, I worked as an RDA for Dr. Nichols for about a year. Soon after, Dr. Hardt bought the practice and I was very fortunate to be able to work alongside him for the next five years. Although I loved my job, I had the desire to do more. After 6 years as an RDA, I finally decided it was time to go back to school. I then returned to SJVC in Visalia for the Dental Hygiene program and later graduated in March of 2022.

Outside of work I like to spend time with family, my boyfriend Eyron, and our two golden retrievers Marley and Darla.

Creating Happier Smiles

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174 North Villa Street

Porterville, CA 93257

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