Meet the Doctors

All professionals at Lake Forest Dentistry maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in the medical field. Read on to learn more about our staff's experience and training.

Dr. Luan Nguyen

Dr. Luan Nguyen received BS Degree in Business and BS Degree with Cum Laude in Chemical Engineering from State University of New York at Buffalo, then he worked for ITT Heat Transfer Company as a Chemical Engineer. Later on Dr. Nguyen found that he was interested in the field of dentistry when he visited Dental School where his wife, Dr. Bui, was studying. He then applied and was accepted to the same dental school with his wife. Dr. Nguyen received a Doctorate of Dental Surgery degree from School of Dental Medicine at State University of New York at Buffalo in 2003. Dr. Nguyen has many years of experience doing cosmetic dentistry, implants, oral surgery, gum surgery, and root canal treatment. Dr. Nguyen has completed many advanced implant trainings with Bicon, Noble Biocare, Implant Direct, 3M Mini Implant. Dr. Nguyen has been honored America Top Dentists for 2010-2018.

Dr. Thoa Bui 

Dr. Thoa Bui graduated Suma Cum Laude in Biology from University of California at Irvine in 1997 and received a Doctorate of Dental Surgery degree with Cum Laude from School of Dental Medicine at State University of New York at Buffalo in 2001. Dr. Bui has practiced over 15 years in private office  concentrating in comprehensive care, children dentistry, cosmetic dentistry including full mouth reconstruction, cosmetic veneers, crowns and bridges. Dr. Bui also concentrates in orthodontics for children and adults including traditional braces and invisalign (clear braces). Dr. Bui has completed many advanced trainings in cosmetic dentistry and orthodontics. Dr. Bui has been honored America Top Dentists for 2010-2017.

  • Kyla McCulty

    Kyla has been the friendly face at our front desk for the past five years. She enjoys working with people, and helping patients to feel welcome and understand their insurance benefits is her favorite part of her position. In her free time she loves to sing and write music.

  • Melanie Cedillo
    Front Desk, DA

    Melanie has been here since 2019 as a front desk receptionist, but recently has taken an interest in dental assisting. Her favorite part of working here is meeting new patients and in her spare time, she enjoys watching movies and exploring local restaurants. 

  • Shahna Zaheddoust
    Office Manager

    My name is Shahna and I have been at Lake Forest Dentistry since 2014. I have an industrial background but decided to change field in my “golden” years. The best part about this job is the interaction with many different people from all backgrounds. I especially love working and interacting with our very young patients. We have wonderful and caring doctors and staff, which made my job much easier.

  • Dorin Masoul
    Dental Assistant

    My name is Dorin. I have been working as a dental assistant at Lake Forest Dentistry since 2020. The dental field is a passion of mine in which I hope to participate in as a dentist one day. Patient satisfaction and patient comfort are my number one goal. In my spare time I like to spend time with family and friends, listen to music, and travel.


  • Hassan Alkhafaji
    Dental Assistant

    y name is Hassan and I have been a dental assistant since my senior year in high school, which is about 4 years now. I began my journey in the dental field with big dreams to be a dentist myself one day. My favorite part about the job is the personal interaction with the patients on another level. I enjoy and love working with kids naturally. I take pride when a patient leaves the office relieved and happy. I am a full time college student and enjoy playing soccer, tennis, fishing and having fun with friends. 

  • Rosa Castro

    Rosa has been working at Lake Forest Dentistry since 2018. She has over 30 years of experience in dental field. She enjoys assisting oral surgery cases with difficult extractions or implant surgeries. Her hobbies are walking dog, watching movies, and traveling.

  • Luna Topacio

    Luna is a part time dental assistant. She also works part time in Glendora but she enjoys driving far a little bit to come to work at Lake Forest Dentistry. She likes her job in dental field and she can assist in ortho and general dentistry. In her spare time she likes to eat, meet friends and stay home with family.

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Lake Forest Dentistry


9:00 am-2:00 pm


9:00 am-6:00 pm




9:00 am-6:00 pm


9:00 am-6:00 pm


8:00 am-4:00 pm