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Your Trusted Dental Care Provider in Diamond Bar
Dr. Lee Dentist is a full-service dental practice dedicated to providing comprehensive dental care for patients of all ages. Our team of experienced professionals, including Dr. Joon Y. Lee, Dr. Sung W. Lee, and Dr. Sue Y. Lee, combines advanced technology with personalized attention to ensure optimal oral health. Specializing in preventive, cosmetic, and restorative dentistry, we utilize state-of-the-art equipment such as digital X-rays, intra-oral cameras, and computerized treatment planning systems. Our practice emphasizes preventive care and oral hygiene maintenance while offering specialized services like root canal treatments, dental implants, and pediatric dentistry. With a commitment to thorough sterilization and patient comfort, we welcome emergencies and provide flexible scheduling to accommodate diverse needs.

Our team members are trained to communicate effectively and create a welcoming environment for every visit. We accept most major insurance plans, including Denti-Cal, to ensure accessibility to quality dental care. By integrating the latest advancements in cosmetic and reconstructive dentistry, we help patients achieve healthy, beautiful smiles. Our practice maintains active memberships in professional organizations like the American Dental Association, demonstrating our dedication to industry standards. Through consistent focus on patient education and preventive strategies, we aim to build long-term relationships centered on oral health excellence.
Services
Preventive Dentistry Cosmetic Dentistry Restorative Dentistry Root Canal Treatment Dental Implants Children's Dentistry Gum Treatment Tooth Extraction Night Guards
Highlights and features
  • Our team includes three experienced dentists with prestigious academic backgrounds.
  • We utilize state-of-the-art technology for accurate diagnosis and treatment.
  • Emergency dental services available for urgent care needs.
  • Comprehensive sterilization protocols ensure patient safety.
  • Acceptance of most major dental insurance plans including Denti-Cal.
Associations and certifications
  • American Dental Association (ADA)
Services
Preventive Dentistry
Our preventive dentistry services focus on maintaining optimal oral health through regular checkups and proactive care. We offer comprehensive exams, digital X-rays, fluoride treatments, and professional teeth cleanings to prevent dental issues before they develop. Our team emphasizes patient education to promote effective home care routines and long-term oral health.
Cosmetic Dentistry
We specialize in enhancing smiles through advanced cosmetic dentistry procedures. Our services include professional teeth whitening, porcelain veneers, dental bonding, and full porcelain crowns to improve tooth appearance. Using modern techniques, we create natural-looking results that boost patients' confidence and address aesthetic concerns.
Restorative Dentistry
Our restorative dentistry services address damaged or missing teeth with durable solutions. We provide custom crowns, bridges, tooth-colored fillings, and dentures to restore function and appearance. The practice utilizes advanced materials and techniques to ensure comfortable, long-lasting restorations that blend naturally with existing teeth.
Root Canal Treatment
We offer efficient root canal treatments using state-of-the-art EndoSequence technology. This specialized procedure treats infected or damaged tooth pulp while preserving natural teeth. Our dentists perform root canals with precision, minimizing discomfort and ensuring proper healing of dental infections.
Children's Dentistry
Our practice provides child-friendly dental care to establish positive oral health habits early in life. Services include routine checkups, preventive treatments, and restorative care tailored to young patients. We use nitrous oxide sedation and child-appropriate techniques to ensure comfortable, stress-free dental experiences for children.
People
Dr. Joon Y. Lee
Dentist
Dr. Joon Y. Lee graduated from USC in 1998 and has been practicing dentistry for over two decades. He focuses on comprehensive dental care while maintaining active membership in the American Dental Association.
Dr. Sung W. Lee
Dentist
Dr. Sung W. Lee, a USC graduate since 2000, brings extensive experience in general and restorative dentistry. He combines technical expertise with patient-centered care to deliver quality dental solutions.
Dr. Sue Y. Lee
Dentist
Dr. Sue Y. Lee, a UCLA graduate from 2007, specializes in cosmetic and family dentistry. Her approach emphasizes preventive care and creating beautiful smiles through personalized treatment plans.
Questions
What dental services do you offer?
We provide comprehensive services including preventive care, cosmetic dentistry, restorative treatments, root canals, dental implants, and children's dentistry.
Do you accept dental insurance?
Yes, we accept most major insurance plans including Delta Dental, Aetna, Blue Cross Blue Shield, Cigna, and Denti-Cal.
Are emergency dental appointments available?
We welcome dental emergencies and make every effort to accommodate urgent cases promptly during office hours.
What technology do you use?
Our practice utilizes digital X-rays, intra-oral cameras, computerized charting, and EndoSequence technology for advanced diagnostics and treatment.
Do you treat children?
Yes, we offer specialized pediatric dental care including nitrous oxide sedation and child-friendly treatment approaches.
What are your office hours?
We're open Monday-Friday 9am-6pm, Saturday 9am-1pm, and closed on Sundays for regular appointments.