The team at WinningSmiles is proud to serve the families of Fontana, CA!
We are a group of kind and compassionate people who love what we do. Every appointment is an opportunity to get to know you better and help you take steps toward a healthier and more attractive smile.
We invite you to take a few moments to get to know us a little bit better, and we look forward to seeing you in our practice and learning how we can best meet your needs.
Mostafa Koperly, DDS BDS FAGD DIDIA
Dr. Mo Koperly knows that a healthy and attractive smile makes a big impact on a person’s life. It’s one of the reasons he enjoys his work so much as the Cosmetic and Dental Implants Specialist at WinningSmiles in Fontana.
He and his colleagues are proud of the state-of-the-art technology they offer, and they make it a point to stay current with the latest in dental technology. They are committed to improving patient comfort and providing the best possible treatment outcomes with leading-edge equipment, including 3-D cone beam, CEREC same-day dental crowns, and dental loupes (magnifiers).
Dr. Koperly graduated from the University of Baghdad and the University of Colorado School of Dentistry. He has earned advanced credentialing with a Diplomate Award from the International Dental Implant Association where he was in the top 10 percent of the class and his fellowship award from the Academy of General Dentistry.
When Dr. Koperly is not working with patients to help create winning smiles, he is likely spending time with his family, including his two young daughters, or indulging in one of his favorite pastimes—travel.
Frank Finazzo, DDS
Dr. Frank A. Finazzo grew up in Fontana, graduating from Fontana High School in 1982. In 1986, he completed his undergraduate degree in biology at the University of California, Riverside, where he graduated with honors. In 1990, he graduated from the U.C.L.A. School of Dentistry and is very proud to be a U.C.L.A. Bruin.
Dr. Finazzo completed his general practice residency at the Jerry L. Pettis Memorial Veteran’s Hospital in Loma Linda, California in 1991. This program was geared toward honing his skills as a general dentist.
Dr. Finazzo wishes to serve you in the most caring, conscientious way possible. You can expect him to be fun yet straightforward, kind, compassionate and gentle. He and his team are committed to providing you and your loved ones with excellent dentistry. He is very proud of the quality of dentistry provided and the real value of dental care offered to our community.
Dr. Finazzo and the entire team are excited about our state-of-the-art dental office. We know you’ll love it, too!
Michael Khalil, DDS
Endodontist
Dr. Khalil, a native of Southern California, specializes in endodontics (root canal therapy). He graduated from the University of Southern California with a specialty degree in 1998.
Dr. Khalil visits our practice at least once a month. He is very knowledgeable and skilled in the field of endodontics. All of our patients are extremely pleased as he performs his dental skills in the most efficient and timely manner.
Dr. Khalil suggests people should follow a daily routine for a healthy lifestyle:
- Floss daily
- Eat healthy, balanced meals
- Exercise daily
- Schedule at least two dental check-ups and professional cleanings every year
- Brush at least two times a day with a fluoride toothpaste
Robin Jensen, RDH
Registered Dental Hygienist
Robin is one of our skilled dental hygienists. She graduated from Ohio State University in 1977 with both a BS in dental hygiene and a BA in speech communication. Graduating first in her class in clinical, she has combined her clinical talents with communication to provide outstanding care to WinningSmiles patients for the past 18 years.
Robin’s favorite part of her job is meeting new people and helping her patients on a personal level. By getting to know them, she helps them gain and keep a healthy mouth and provide the comfortable treatment that every patient deserves.
When she’s not improving smiles, Robin is probably outside! She loves sports, hiking camping, and biking. She might also be found enjoying a good book.
Barbara Corral-Wyckoff, RDH
Registered Dental Hygienist
Barbara is a member of our skilled dental hygiene team. She began her dental career as a receptionist after graduating high school. Upon receiving her Associate in Science in dental assisting from Chaffey College, she became certified to practice as an orthodontic assistant.
Nearly ten years later, Barbara returned to school, graduating from Cerritos College and UCLA with as associate’s degree in dental hygiene. She then went on to earn her Bachelors of Science in vocational education from Cal State Long Beach. She began practicing as a clinical instructor at Loma Linda University in the periodontal and dental hygiene departments.
Barbara brought her years of experience and her expertise to WinningSmiles dentistry in 1999 and has been a valuable member of our practice ever since!
To remain in a field for as long as Barbara has, you have to truly love what you do. People are the main focus of Barbara’s joy in her work, and she enjoys providing gentle, thorough, and high quality cleanings as well as using her skills in education to teach patients how to keep and maintain healthy gums and teeth.
Barbara was born and raised in Fontana, and when she’s not helping to improve a smile, she might be found hiking, golfing, playing softball or tennis, dancing, or enjoying crafts and taking photos.
Kristi Leach-Espericueta, DA
Dental Assistant
Our treatment coordinator, Kristi, has been a part of the WinningSmiles team for 10 years. She is a graduate of the dental assisting program at 4-D College in Colton, CA.
Kristi loves that her job lets her help others and seeing the transformation in our patients’ smiles!
When Kristi isn’t at the office assisting our patients, she can probably be found spending time with her family.
Ana Lopez, RDA
Registered Dental Assistant
Our Extended Function registered dental assistant Ana is a graduate of Baldy View ROP. She holds certificates in coronal polishing, pit and fissure sealant, x-rays, and infection control. Ana has been with WinningSmiles for nearly eight years and 20 years in the dental field.
Ana enjoys her job so much that it doesn’t actually feel like work! She loves meeting new people and being around them. She also appreciates what a great team we have at our Fontana, CA dental practice!
Ana has two kids. She describes herself as “family-oriented” and loves spending her spare time with her family. She also enjoys working out, swimming, and tanning, as well as reading books that are based on true stories.
"Always courteous , nice , kind and understanding . The staff will always answer your questions and give you useful information . I'm glad I found this dentistry." Alejandro