Affinity Dental Center of Santa Ana believes it is possible to provide excellence in dentistry while remaining cost-effective for our patients. Our dentists are highly skilled clinicians who provide you with the latest innovations in all disciplines of dental care. We are also deeply committed to patient satisfaction and feel that our strongest asset is the relationships we develop with our patients.

Dr. Tom Gibson grew up in San Clemente, California. He attended the University of California at Irvine where he graduated early with a Bachelor’s degree in Biology. He then went on to Northwestern University Dental School where he graduated with honors and entered an advanced training residency in orthodontics. He finished his residency with a Master’s degree in oral biology and received his specialty certificate in orthodontics. Dr. Gibson has been devoted full time to the practice of orthodontics for over 20 years.

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Dr. Arnel Eugenio earned his Bachelor of Science degree in Microbiology from California State Polytechnic University, Pomona after active duty in the U.S. Air Force. He then obtained his Doctor of Dental Surgery degree from the UCLA School of Dentistry where he distinguished himself during his senior year through advanced studies at UCLA’s Center for Esthetic Dentistry. He was also a founding member of the Lambda Alpha Chapter of Psi Omega Dental Fraternity. Dr. Eugenio continued his post-doctoral education in a General Practice Residency at the V.A. Hospital – West Los Angeles. He resumed his military career while in private practice with the U.S. Army Reserve Dental Corps and was honorably discharged in 2005 with the rank of Major.

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Dr. John Spear is a graduate of USC Dental School and has been practicing dentistry for over 25 Years in Orange County. Dr. Spear goes beyond providing cosmetic dentistry by distinguishing himself as Affinity Dental Center’s “Smile Makeover Artisf’. Anxious patients have come to rely on his gentle approach to care, always with a smile and a skilled hand, as you will experience as a patient in our office.

Dr. Spear is a big sports fan and enjoys playing tennis, golf, and water sports, as well as attending USC Football games. “The greatest satisfaction for me is when Isee how our Smile Makeovers literally change a person’s life for the better. Dentistry for me is not just repairing teeth but to promote good oral health.”

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Dr. Paul Nguyen received his Bachelor of Science degree in Cell and Molecular Biology in 1987 at the University of British Columbia in Vancouver, Canada. He then attended New York University where he received his Doctor of Dental Surgery in 1992. He completed postgraduate residency at NYU and was awarded a Certificate in Endodontics in 1994. Upon graduation he received the Arthur Charles Hull Medal and the Samuel and Hanna Holzman Endodontia Award in 1992.

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Dr. Ameet Chopra is our Oral & Maxillofacial Surgeon specializing in tooth extractions, dental implants, anesthesia/sedation, corrective jaw surgery, and trauma surgery. He was born and raised in Southern California, where he attended University of California-Irvine for his undergraduate education. After graduating with honors, Dr.Chopra earned his dental degree from the University of the Pacific School of Dentistry, followed by his Oral Surgery Residency at UCLA.

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Dr. Alfred Penhaskashi is a graduate of the UCLA School of Dentistry and later earned his certification in Periodontics from University of Southern California. He was an associate professor in the Department of Continuing Education at USC and was instrumental in the development of training programs such as the Dental Implant Study Club.

At Affinity Dental Center, Dr. Penhaskashi plays a vital role in the treatment and therapy of our patients diagnosed with periodontal (gum) disease. Patients appreciate his warm attitude and comprehensive approach to the management of periodontal disease. His work is an important complement to our excellent hygiene staff. Together they provide our patients the best care possible for periodontal maintenance.

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Dr. John Willardsen completed his undergraduate studies at Brigham Young University and received his Doctor of Dental Surgery from Lorna Linda University. He continued his professional studies and received his certificate in Implant Dentistry and Prosthodontics. As an Assistant ClinicalProfessor at Lorna Linda University’s Center for Implant Dentistry, Dr. Willardsen is able to pursue his passion for teaching and continuing education.

Dental Implants have become the standard of care for the replacement of lost or missing teeth. Dr. Willardsen’s extensive training has given him a comprehensive understanding of the complex discipline of implant surgery and restoration. His main objective is to give patients back their smile and proper chewing function by providing support and esthetics using implants.

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Dr. James Chiu eamed his Bachelor’s Degree in Science Biology from the University of the Pacific, Stockton in 2007. After completing his Doctor of Dental Surgery degree from the University of the Pacific, Dr.Chiu continued his post-doctoral studies at UOP to earn his certificate of Advanced Education in General Dentistry.

Dr. Chiu is a general dentist with advanced training in all aspect of dentistry. He also has a gentle chairside manner that patients appreciate. Dr. Chiu is a member of the Orange County Dental Society, the Academy of GeneralDentistry, the American Dental Association, the California Dental Association, and the Chinese American Dental Society of Southern California. He is fluent in Mandarin, Chinese, Taiwanese, and English.

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Dr. Mohamed Khaled comes to our practice from Michigan. Dr. Khaled worked as an Assistant professor teaching the dental students in Department of  Periodontics and Implantology in School of Dentistry, University of Detroit Mercy. Michigan.

Born and raised in India, he started his professional journey by earning a Bachelors in Dental Surgery in 1994 and a Masters in Dental Surgery in Periodontics in 2005 . An intense desire to learn to fostered by the conducive opportunities, brought him to the US, where he completed a postgraduate specialty training in Periodontics at Indiana University School of Dentistry in Indianapolis, Indiana and he received a Certificate in Periodontics and Master of Dental Science (MSD) degree, with top honors. A stellar academic record is a testament of his zeal for learning, commitment and self-discipline.

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Dr. Lyndi Bach was raised locally in the city of Tustin. She completed her undergraduate degree at UC San Diego and earned her dental degree from the University of Connecticut. She then attended UCLA for a general practice residency before going to UMDNJ to complete her orthodontic residency. Dr. Bach has been exclusively practicing orthodontics for over 10 years and has treated all types of malocclusions in children and adults. Dr. Bach is known for her dedication and personal attention to every patient, straight-forward advice, well-reasoned treatment plans, and excellent results.

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Dr. Khoshrou resides from Orange County, CA. He graduated from University of California Irvine and received his D.M.D from Nova Southeastern College of Dental Medicine in Fort Lauderdale, FL. After practicing in Miami and Chicago, he decided home is where the heart is and moved back to Southern California. Dr. Khoshrou prides himself on being a careful listener & takes the time to get to know each of his patients as individuals in order to provide personalized dental care. In his free time, he likes to travel, surf, and cook. His mission statement is treat people as you would want to be treated & be happy.e.

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Dr. Dr. Machhadani obtained his dental degree from the Columbia University College of Dental Medicine in New York City. Never the one to shy away from a challenge, Dr.Machhadani relishes the complexities of this work. But the most rewarding part of his job is helping his patients find their smiles again. A lifelong soccer fan, he remains loyal to his favorite team, Futbol Club Barcelona. Dr. Machhadani also enjoys travelings with his wife

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Dr. Rachel Hendrickson earned her Doctorate of Dental Surgery from the University of Washington School of Dentistry in Seattle, where she also volunteered and published research under a Dental Public Health Sciences fellowship, after receiving her B.A. from Occidental College in L.A. where majored in English and Comparative Literary Studies, studied Biofilms in a Microbiology Research lab, and swam on a full ride scholarship.

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