Dentists in Norco, CA

Dr. Michael Shum is a compassionate general dentist committed to delivering evidence-based, patient-centered care with a focus on long-term oral health and predictable treatment outcomes. He enjoys building relationships with patients while helping them navigate treatment decisions with clarity and confidence, especially in comprehensive restorative and preventative care.

Dr. Shum earned his Doctor of Dental Surgery (D.D.S.) degree from Touro College of Dental Medicine after completing a Master of Science in Biomedical Sciences at University of Northern Colorado, where he graduated with a 3.9 GPA, and a Bachelor of Science in Human Biology from University of California San Diego. His clinical training included broad experience in diagnostics, restorative dentistry, endodontics, oral surgery, prosthodontics, pediatric dentistry, and emergency dental care.

As an associate dentist in a high-volume practice environment, Dr. Shum provided care to a diverse patient population and developed experience managing comprehensive treatment plans, restorative procedures, root canals, and simple to surgical extractions while maintaining a strong emphasis on efficiency and patient comfort. He is skilled in digital dentistry workflows, including Trios technology, and values incorporating modern tools to improve precision and outcomes.

Dedicated to lifelong learning, Dr. Shum actively pursues continuing education to expand his expertise in advanced procedures, including implant dentistry and comprehensive treatment planning. He believes professional growth and mentorship are essential to providing patients with the highest standard of care.

Outside of dentistry, Dr. Shum enjoys continuing to expand his knowledge in emerging dental technologies and clinical advancements, reflecting his commitment to growth both as a clinician and healthcare provider.

Dr. Reena Khullar, DDS, MS

Dr. Reena Khullar is a board-certified orthodontist with over a decade of experience transforming smiles through personalized and comprehensive orthodontic care. She earned both her Certificate in Orthodontics and Master of Science in Oral Biology from the University of California, Los Angeles in 2012. Originally trained as a dentist in India, Dr. Khullar brings a global perspective to her practice, supported by a strong academic foundation and clinical excellence.

Dr. Khullar has served a diverse range of patients through both private and corporate settings, including long-standing roles at Ontario Kids N Braces, Gentle Dental, West Coast Dental, and Pacific Dental Services. She is certified in Invisalign® and Incognito™ lingual braces, offering advanced treatment options tailored to modern lifestyles.

A respected voice in the orthodontic community, Dr. Khullar is actively involved with professional organizations such as the American Association of Orthodontists, California Association of Orthodontists, and the Pacific Coast Society of Orthodontists. She also contributes to the dental profession as a peer reviewer and editor for several journals, including the Indian Journal of Dental and Oral Health and the Academy of General Dentistry.

Dr. Khullar is committed to delivering high-quality, patient-centered orthodontic care with integrity, innovation, and compassion.

Friendly Dr. Ahdout is a dentist on a mission. Because of the effect dentistry has on peoples overall health, Dr. Ahdout feels his greatest task as a Periodontist is to help restore teeth to optimal health and thereby promote a pain-free and infection-free life. It’s an added satisfaction for him to witness the improvement of his patients’ self-esteem as their course of treatment progresses and their smiles and well-being improves.

After graduating from Fairleigh Dickinson University, Dr. Ahdout received his Dental Degree from the famous University of Pennsylvania School of Dental Medicine. He has more than two decades of clinical experience and keeps abreast of cutting edge technology. He is a member of the American Dental Association and the California Dental Association. He speaks Persian also! In his free time, Dr. Ahdout relaxes by enjoying the cinema and sports.

Education

B.A.-Fairleigh Dickinson University

D.M.D.-University of Pennsylvania School of Dental Medicine

Affiliations

American Dental Association

California Dental Association

Dr. Shah is dedicated and passionate about her work as an Endodontist. She thrives to provide the best care for all her patients. She is proud of her work, knowing that it provides healthy, functional smiles for her patients, and its satisfying for her to witness the improvement of her patients’ self-esteem as their courses of treatment progress. She received her D.D.S. from the The University of Otago School of Dentistry in New Zealand. She continued her studies receiving her Endodontic certificate from the University of Southern California School of Dentistry.

Dr. Shah is a member of the American Dental Association, the California Dental Association, and the American Association of Endodontics. She speaks Hindi, also. Outside of the office, Dr. Shah enjoys spending time with her family.

Education

D.D.S.–The University of Otago-New Zealand

Endodontic certificate–USC School of Dentistry

Affiliations

American Dental Association

California Dental Association

American Association of Endodontics