Meet Dr. Oviedo - Chula Vista, CA

Smile bright, smile right

Mariano Oviedo DDS

Dr. Mariano Oviedo’s journey to becoming a trusted dentist in Chula Vista spans three countries and more than two decades of dedication to dentistry. Originally from Argentina, he built a successful career as a clinician and university professor before earning his Doctor of Dental. Surgery (DDS) degree in Mexico and ultimately making Southern California his home. Throughout his journey, Dr. Oviedo has remained committed to combining advanced clinical expertise with compassionate care, helping patients restore their oral health, confidence, and quality of life.

Born and raised in Argentina, Dr. Oviedo graduated with honors from dental school in La Plata in 2005. He spent more than a decade in private practice, focusing on advanced restorative and cosmetic dentistry. His dedication to excellence earned him a teaching position at the prestigious University of Buenos Aires, where he served as a professor of Operative Dentistry for 10 years, sharing his knowledge and passion with future dental professionals.

Driven by a desire to continue growing professionally, Dr. Oviedo relocated to Mexico to earn his DDS degree from Universidad La Salle. During his studies, he was elected President of the Dental Student Association, demonstrating his leadership and commitment to advancing the dental profession.

Giving back has always been an important part of Dr. Oviedo’s career. Since 2018, he has volunteered with the Thousand Smiles Foundation, working alongside surgeons, dental specialists, and aspiring dentists from across the United States and Mexico to provide life-changing care for children born with cleft lip and palate. Through this mission, he has helped deliver treatment at no cost to families, creating lasting impacts that extend far beyond dentistry.

Today, Dr. Oviedo proudly serves patients from Chula Vista, Eastlake, Bonita, National City, San Diego, and communities throughout the South Bay. As a bilingual dentist fluent in English and
Spanish, he provides comprehensive dental care for patients of all ages. His clinical interests include dental implants, All-on-X full arch restorations, veneers, smile makeovers, full-mouth rehabilitation, and restorative dentistry. Whether patients are seeking to replace missing teeth, improve their smile, or regain confidence in their oral health, Dr. Oviedo is dedicated to delivering personalized treatment and exceptional results.

While his education and experience are extensive, what patients appreciate most is his warm and approachable personality. He has a natural ability to help even the most anxious patients feel comfortable and understood, creating a positive dental experience built on trust, communication, and genuine care.

Outside the office, Dr. Oviedo enjoys spending quality time with his wife and children. As a family, they love traveling, cooking, spending time at the beach, and exploring the outdoors through camping and other adventures.

I’ve always loved working with my hands and helping people. Being a dentist has allowed me to do both things. I take great pride in treating my patients and providing them with the best care possible. Nothing gives me more satisfaction than to restore my patients’ health and bring them a newfound confidence with their smile.

– Dr. Oviedo

Book of Smiles

Explore this book to discover numerous Before and After images showcasing the remarkable transformations achieved through our All-On-X procedures. Witness the success stories within these pages and envision the possibilities for your own dental transformation.

Click to Explore Our Smile Book and Witness Jaw-Dropping Transformations.

What Our Patients Say

From our friendly and welcoming staff to our state-of-the-art facilities, there are many reasons why our patients choose us for their dental care needs.

Kevin Vaughn

3 weeks ago
I have known the staff and Doctors at Bonita Del Rey Dental Care for years. Everyone who I have met has such a pleasant mood and demeanor about them. I enjoy every interaction I have with them! It’s impressive to see their wall of smiles and you can tell how many lives they have changed with their skills and expertise in dental implants and full arch dental implants! 10/10 would recommend Dr. Espinosa and Dr. Oviedo to my friends and family.

Linda Florentino

1 month ago
This week I had my first visit at Bonita Del Rey Dental. It was a consultation. From the time I walked in the door everyone was so friendly and welcoming, making me feel at ease. The devices used for the exam are top of the line modern technology. Dr Espinosa was so thorough in explaining the results of the exam and what my options are. I had been told by another dentist that all of my teeth would have to be pulled. I learned that is not the case. I was given an option that is not so drastic or expensive. I can’t wait to get started with the work that I know will make my smile amazing.

Maria Lehar

1 month ago
Excellent.

Josue Baltezar

1 month ago
Excelente atención y servicio!! Me sentí escuchado, lo cual me da mucha confianza en el diagnóstico recibido y por consecuencia en total acuerdo al tratamiento ofrecido. Me siento con mínima molestia después del procedimiento y seguro que todo estará muy bien en los siguientes días. Muchas gracias

Rod Cabalar

2 months ago
Great visit overall. Friendly greeting, about a 10 minute wait, and Dr. Mariano was very thorough with checking my gum sensitivity and giving me a referral. The staff’s infectious smile made the whole experience better.

Ivan Nunez

3 months ago
My family and I have been coming to Bonita Del Rey dental for years now. Whether it’s a routine cleaning or having my wisdom teeth taken out 🦷, they continue to be the best dental establishment I’ve been to. From their front desk to their doctors, they’re always very friendly and professional.

WoofDude Cool

3 months ago
Staff are great make patient very happy, you all guys are awesome. Thank you

Mary Mendoza

4 months ago
My husband received treatment at Bonita del Rey Dental, and I was very impressed with the level of care provided. The team created a supportive and comfortable environment, transforming my husband’s previous discomfort with dental visits into a positive experience. As a result, our entire family has chosen this practice. My recent cleaning and exam were entirely pain-free and conducted with professionalism and courtesy from the front desk staff to the doctor and hygienist. I highly recommend their services.

Pat Justice

4 months ago
Everyone is always so warm & caring from the moment you speak to them on the phone, when you arrive and all during treatment.My journey with them started in 2024 and Ii have seen several of the providers along the way and each one has been patient & caring. I highly recommended Bonita Del Rey.

Araceli Guerrero

4 months ago
I’ve been coming to this dental office for years and I can honestly say they are amazing from top to bottom. The customer service is always outstanding everyone makes you feel welcome and comfortable from the moment you walk in. The dentists and hygienists are professional, gentle, and truly care about their patients. The office is always clean, organized, and well maintained. I highly recommend this place to anyone looking for excellent dental care and a friendly, trustworthy team.

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