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Dr. Debra Westervelt is originally from Hemet, a small town in Southern California. In her early years of college, she found a passion in healthcare where she felt she could best impact her community and graduated with a degree in biology from La Sierra University at the top of her class. She then earned a doctorate degree at the acclaimed University of California, San Francisco.

Dr. Westervelt loves every aspect of dentistry and worked as a general dentist in the Napa area for several years. She enjoyed working closely with many specialists and collaborating in changing people’s lives. She was heavily involved in study clubs and advanced continuing education and became inspired by the specialists she had the opportunity to work with.

Fascinated with the connection between oral and systemic health and determined to further her education, Dr. Westervelt obtained her specialty certificate in periodontics from the University of Illinois at Chicago.

Dr. Westervelt is passionate about helping her community by improving each patient’s overall health through ideal periodontal health. She understands the importance of comprehensive dental care and working closely with other experts in both dentistry and medicine. Her unique point of view as both a general dentist and a periodontist allows a broad understanding of her patient’s wants and needs. Patient care is Dr. Westervelt’s top priority, and this sentiment is felt by each patient she treats.

In her free time, Dr. Westervelt enjoys hiking, camping, and bike rides with her dog Jake. She enjoys gardening and cooking with her husband, Reed.  She loves the Bay Area and enjoys exploring the surrounding ocean, mountains, and towns whenever she has the opportunity.

Roge Jacob, DDS, is a skilled family and cosmetic dentist who has been providing quality dental care since 1994. Dr. Jacob currently serves patients at Hillsdale Dental Care in San Jose, California. 

Dr. Jacob grew up in suburban Chicago, Illinois. He completed his pre-dental degree requirements at San Jose State University and received his dental degree from Northwestern University in Chicago.

Patients recognize Dr. Jacob for his outstanding patient care. He provides high-quality restorative, cosmetic, and preventive dentistry services in a relaxing and comfortable environment. Dr. Jacob continually enhances his skills through continuing education classes and the most recent advances in dentistry. He is a member of the American Dental Association, the California Dental Association, and the Santa Clara Dental Association.

Dr. Jacob and his wife have two children, daughter, Olivia and son, Ilias. He also owns a 100-pound Bouvier named Niko. During his time away from the office, he enjoys mountain biking, playing drums and fly fishing. He has established an 82-gallon salt water reef tank with numerous invertebrates in our office.

Magdalena Azzarelli, DDS, is an experienced cosmetic and family dentist at Hillsdale Dental Care in San Jose, California. Dr. Azzarelli has been practicing at Hillsdale Dental Care since 1997, providing her community with high-quality, patient-centered care.

Dr. Azzarelli received her dental degree from the Medical University of Silesia in Poland in 1994. Upon relocating to California, Dr. Azzarelli successfully completed the California State Dental Licensure examinations. She is highly skilled in endodontics, dental implants, cosmetic dentistry, as well as all aspects of general dentistry. Dr. Azzarelli is a member of the American Dental Association, California Dental Association, and the Santa Clara County Dental Society. She is also part of Biomet's Synergy Implant Study Club.

A strong believer in patient education, Dr. Azzarelli spends extra time with her patients and thoroughly explains their treatment options. She is patient and understanding, and puts her clients at ease with her gentle approach.

When not practicing dentistry, Dr. Azzarelli enjoys gardening, gourmet cooking, and traveling with her husband, Peter, and their son, Ian. Dr. Azzarelli is passionate about Animal Rescue. She owns 2 rescue pets herself, her dog, Snowy and cat, Maurice.

Oz Simel, DDS, MD, is a dual degree oral and maxillofacial surgeon. He is dedicated to providing patients in San Jose, California, and the surrounding areas with comprehensive dental care.

After graduating from Loyola Marymount University in Los Angeles with his undergraduate degree, Dr. Simel earned his dental degree from the University of California, San Francisco (UCSF). While at UCSF, he discovered his passion for oral and maxillofacial surgery and ventured down to Southern California, where he attended the University of California, Los Angeles, and spent six years in residency obtaining the skills and medical knowledge essential to the field. 

Dr. Simel offers a wide range of dental surgeries and procedures. He ensures patients understand their options and answers any questions they have. 

After graduating from Emerson High School in New Jersey, Dr. Gray received her B.S. degree in Biology from Fairleigh Dickensen University in New Jersey. She received her Doctorate of Dental Surgery from Northwestern University in Chicago in 1982. She is a published researcher and worked at the American Dental Association research facility in Chicago. Dr Gray has attended years of continuing education in the area of Orthodontics and has had extensive training in General Practice orthodontics. She came to South San Jose in 1984 to start her private practice of general dentistry and general orthodontics. While in school she worked as a Medical Microbiology Technician for Northwestern Memorial Hospital. She enjoys sewing, scrapbooking, running, swimming and the outdoors.

After graduating from Leland High School in Almaden in 1975, he received his Bachelor of Science degree in Microbiology and Biochemistry at UC Davis. Dr. Syn received his Doctorate of Dental Surgery from Northwestern University in Chicago in 1983. After practicing in the Lake Shore Area of Chicago and doing research with Northwestern Medical School in the area of Dental Vaccinations. He returned to San Jose, California to start his private practice in the neighborhood of his youth in 1984. Dr. Syn is an expert in the field of dental computer technology and has lectured and consulted in this field since 1983. He enjoys photography, videography, flyfishing, and computer science.

Olga Belova, DDS, is a highly skilled and compassionate dentist. She provides the Bay Area community with exceptional dental care at Almaden Dental Associates, conveniently located in San Jose, California.

Dr. Belova earned her first dental degree from the University of Moscow Dental School in Moscow, Russia. After relocating to the United States, she earned a Doctor of Dental Surgery from the University of the Pacific Arthur A. Dugoni School of Dentistry in San Francisco. She spends a great deal of time in continuing education courses in order to stay current on all of the latest trends and developments in dental techniques and technologies.

Dr. Belova is incredibly passionate about dentistry. She’s an active member of the Santa Clara County Dental Society, where she spends many hours engaged in society-sponsored events and committees.

Dr. Belova is fluent in Russian. When she’s not working with patients, she enjoys spending time with her two beautiful daughters.

Dr. Jaclyn Martinez, DDS is a highly qualified sleep apnea dentist at California Dental Sleep Solutions in San Jose, California. She received her undergraduate degree in molecular cell biology from the University of California, Berkeley, and her dental degree from the Arthur A. Dugoni School of Dentistry at the University of the Pacific in San Francisco. Furthermore, Dr. Martinez is a member of the American Academy of Dental Sleep Medicine (AADSM), a recognized organizations for obstructive sleep apnea (OSA) treatment.

As a second-generation dentist, Dr. Martinez is passionate about providing top-quality care to the community where she was raised. With her expertise in sleep apnea-related conditions, Dr. Martinez is dedicated to improving the lives of her patients through personalized treatment plans. She takes the time to fully understand each patient's unique needs and concerns, ensuring that they receive the best possible care.

Dr. Martinez's training and membership in these organizations demonstrate her commitment to staying current with the latest advancements and guidelines in dental sleep medicine, and her dedication to providing the highest standard of care to her patients.

To schedule an appointment with Dr. Martinez and start your journey to better sleep and overall health, call California Dental Sleep Solutions or book online today. 

Rick V. Tran, DDS, is a highly experienced family dentistry physician serving the community of Manteca, California, and beyond. Dr. Tran leads Manteca Dental Care, offering comprehensive treatments and preventive care services for the entire family.

Dr. Tran received his bachelor’s degree in Biochemistry from UCLA in 1999 before completing his Doctor of Dental Surgery from New York University. He has been practicing dentistry since 2004 and joined the Manteca practice in October 2008.

In addition to routine general and family dentistry, Dr. Tran also provides cosmetic dentistry and full-mouth restorations, which include implants, crowns, bridges, dentures, orthodontics, teeth whitening, and other approaches. He is also certified to safely sedate patients apprehensive about seeking dental treatment.

Dr. Tran is a member of the American Dental Association, the California Dental Association, the San Joaquin Dental Society, the American Association for Orthodontics, and the Dental Organization for Conscious Sedation. He is a certified Lumineer and Invisalign dentist as well. He is committed to providing the best dental health care possible and loves creating beautiful, lasting smiles.

Outside of his practice, Dr. Tran enjoys spending time with family and friends, watching sports (especially his favorite basketball team, the Golden State Warriors), and traveling to different countries. He was born in the southern part of Vietnam and raised in Salinas, California. He is fluent in English and Vietnamese but strives to perfect Spanish as his third language.