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Welcome to Mission Dental Group

Since Dr. Won Jung Jeong founded Mission Dental Group in 2007, the practice has cared for patients in Los Angeles and Downey. Dr. Jeong has practiced dentistry since 1993 and brings postgraduate training in orthodontics and implantology. His daughter, Dr. Debora Jeong, began practicing in 2023 and provides care across several dental needs. Together, they help patients understand their options and plan care around their oral health.

Why Patients Choose Us

Patients choose Mission Dental Group for attentive care, clear treatment discussions and a range of dental services in Los Angeles and Downey.

Compassionate Care

Our dentists and team listen to your concerns and take time to answer questions. We explain what we find and discuss care options before moving forward. Patients are encouraged to share their goals and comfort needs so each visit feels respectful, clear and centered on informed decisions about their oral health.

Advanced Technology

Digital imaging, scanning and other diagnostic tools help our dentists evaluate your oral health and plan treatment. At Mission Dental Group, the team uses CBCT imaging and digital impressions when appropriate, explaining what each tool reveals and how it supports your care. Technology informs the discussion; your dentist reviews findings and options with you.

Trusted Expertise

Dr. Won Jung Jeong has practiced since 1993 and completed postgraduate training in orthodontics and implantology. Dr. Debora Jeong began practicing in 2023. Their experience spans restorative, cosmetic and general dental services, with an emphasis on prevention, patient education and recommendations tailored to your oral health.

Won Jung Jeong, DDS

Dr. Won Jung Jeong has practiced dentistry since 1993. His postgraduate study includes orthodontics at Chosun University and implantology training at UCLA. His clinical work includes thousands of crowns, bridges, extractions and root canal treatments, along with approximately 1,000 implant placements or restorations. He also has experience with full-mouth reconstruction and uses his training to plan care for complex dental needs.

Debora Jeong, DDS

Dr. Debora Jeong began practicing dentistry in 2023 after completing her dental education in Los Angeles. Her clinical care includes implant restorations, extractions, root canal therapy, dentures and clear aligners. She takes time to understand each patient’s concerns, explain recommendations and help patients understand their treatment options. Her goal is to make each visit respectful, clear and focused on your needs.

Comprehensive Care Tailored to You

Root Canal Treatment at Mission Dental Group

Root Canal Treatment

Root canal treatment can address infection or inflammation inside a tooth while helping preserve the natural tooth when possible. Our dentists evaluate the tooth, explain your options and review what to expect during and after care. Mission Dental Group provides root canal treatment in Los Angeles and Downey.

More About Root Canals

Our Comfortable Dental Clinic

See Our Space

Accepted Insurance

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Cigna logo
Delta Dental logo
Clever Care Health Plan logo
Medicare logo
Astiva logo
Liberty Dental Plan logo
SCAN Health logo

Your First Visit

Read About Experiences From Our Existing Patients

Mia

5 star reviews

I came in terrified for an extraction and Dr Jeong and staff were polite and gentle. I had an extraction done in less than 5 minutes and experienced no pain. Highly recommend

Hannah

5 star reviews

I usually hate going to the dentist but the staff there are super friendly and always try to make me as comfortable as possible. There is never a long wait and everything is done efficiently. I've never had any issues with this place.

EJ

5 star reviews

Update! Absolutely love this team! My kids are all going to Mission Dental from L.A to Venice they travel to Downey. Best care, expertise, and just love Dr Jeong and his staff!

Dawn

5 star reviews

I love my Dentist and I love the Staff! Both Jade and Juan are wonderful!!! Jade always makes sure to remind me of my appointments in such loving kind Way. The Dentist is amazing, he never does more then what is necessary! And when I wanted pretty teeth, he worked with me and my budget. It is truly like a family!

Mia

5 star reviews

I came in terrified for an extraction and Dr Jeong and staff were polite and gentle. I had an extraction done in less than 5 minutes and experienced no pain. Highly recommend

Hannah

5 star reviews

I usually hate going to the dentist but the staff there are super friendly and always try to make me as comfortable as possible. There is never a long wait and everything is done efficiently. I've never had any issues with this place.

EJ

5 star reviews

Update! Absolutely love this team! My kids are all going to Mission Dental from L.A to Venice they travel to Downey. Best care, expertise, and just love Dr Jeong and his staff!

Dawn

5 star reviews

I love my Dentist and I love the Staff! Both Jade and Juan are wonderful!!! Jade always makes sure to remind me of my appointments in such loving kind Way. The Dentist is amazing, he never does more then what is necessary! And when I wanted pretty teeth, he worked with me and my budget. It is truly like a family!

Mia

5 star reviews

I came in terrified for an extraction and Dr Jeong and staff were polite and gentle. I had an extraction done in less than 5 minutes and experienced no pain. Highly recommend

Hannah

5 star reviews

I usually hate going to the dentist but the staff there are super friendly and always try to make me as comfortable as possible. There is never a long wait and everything is done efficiently. I've never had any issues with this place.

EJ

5 star reviews

Update! Absolutely love this team! My kids are all going to Mission Dental from L.A to Venice they travel to Downey. Best care, expertise, and just love Dr Jeong and his staff!

Dawn

5 star reviews

I love my Dentist and I love the Staff! Both Jade and Juan are wonderful!!! Jade always makes sure to remind me of my appointments in such loving kind Way. The Dentist is amazing, he never does more then what is necessary! And when I wanted pretty teeth, he worked with me and my budget. It is truly like a family!

Read More Reviews

Real Results

Smile Transformations

See the power of personalized dentistry in our Smile Gallery. Our team has helped countless patients restore confidence and health through expert treatment. From subtle enhancements to full smile reconstructions, our dental services are tailored to meet each individual's needs.

Before

After

Certified Medicare Providers

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