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
Our Comfortable Dental Clinic
Accepted Insurance








Your First Visit
Read About Experiences From Our Existing Patients
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.









