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Armand Begian, DDS, General Dentist
Columbia University, NY College of Dental Medicine

Ashkhan Tirgari, DDS, Pediatric Dentist 

Dr. Ashkan Tirgari attended Palos Verdes High School, graduating in 1992. He earned his Bachelor of Science degree in Biology in 1998, and his Doctor of Dental Surgery degree in 2002. Dr. Tirgari then attended Boston University for his Pediatric Specialty, graduating in 2015. He is a member of the American Dental Association (ADA), the American Academy of Pediatric Dentistry (AAPD) and the Santa Barbara-Ventura County Dental Society. Dr. Tirgari does oral health presentations in both L.A. and Ventura County, and outreach work throughout Ventura County and Armenia.

Dr. Tirgari is married, and a proud father of his new born son. His hobbies include oil painting, jazz and classical music, and basketball, especially the Lakers.

Columbia University College of Dental Medicine

Patricia Nanda, DMD, Pediatric Dentist 

Dr. Patricia McClory Nanda completed her dental training at Harvard University and received her Pediatric Specialty Certificate at UCLA as well as her Masters Degree in Public Health at UCLA. As a Board-Certified Specialist in children’s dentistry, Dr. Patricia Nanda takes pride in providing comprehensive oral healthcare to children of all needs at Sugarbug Dental.

Dr. Nanda lives in Mandalay Bay and loves being an active member of the surrounding communities. She participates in local volunteer events in Ventura County and values the relationships with children, parents, and other healthcare professionals that her career provides. Dr. Nanda loves spending time with her husband, Vikrum, an orthodontic specialist, and their two sons, Neil and Sean. She loves life as a mother and enjoys running, biking, and yoga at the Oxnard Beach Park and Channel Islands Harbor.

She is currently on the American Academy of Pediatric Dentistry Council of Continuing Education, a select committee that designs accredited programs for the country’s pediatric dentists to keep their knowledge and skills up to date within the field. She has contributed to pediatric and public health research and has published articles related to improving children’s oral health through prevention and outreach.

Diplomat of the American Board of Pediatric Dentistry

Negar Sadeghein, DDS, Pediatric Dentist 

Dr. Negar Sadeghein was raised in sunny Southern California. She attended the University of California Irvine and graduated with a B.S in Biology with high honors. Inspired by a family of dentists, Dr. Sadeghein attended University of Southern California for her DDS and graduated in 2014. Dr. Sadeghein was elected into the dental honor society Omicron Kappa Upsilon, an honor given to only 10% of her graduating class. Dr. Sadeghein developed a passion for pediatric dentistry while doing outreach in underserved areas around the U.S and in foreign countries such as Nepal and Kenya. She completed her pediatric dental residency at New York University College of Dentistry. Dr. Sadeghein is one of a few board-certified specialists in pediatric dentistry. She is an active member of the American Academy of Pediatric Dentistry, the American Dental Association, and the California Dental Association.

When asked what her favorite part of being a pediatric dentist is, Dr. Sadeghein said “Being able to build long-term relationships with children and their families to help them have healthy smiles. I want to provide a playful, comforting and enjoyable environment so children are able to understand that going to the dentist can be fun.”

Outside of dentistry Dr. Sadeghein enjoys spending time with her family and friends. She loves traveling, reading, cooking and watching basketball (Go LAKERS). She recently married her husband who is also a dentist. Both Dr. Sadeghein and her husband hope to serve communities locally and internationally, sharing their dental skills with those in need.

Vikrum Nanda, DMD, MS, Orthodontist

Dr. Vikrum Nanda completed his dental training at Harvard University and received his Orthodontic Specialty Certificate and Masters in Oral Biology at UCLA. He is a Board-Certified Orthodontist and comes from a long line of orthodontists, including his grandfather, granduncle, mother and sister. With his family members as role models, he is continuously driven to provide his patients with the highest quality of care. He believes that a functional bite and beautiful smile can lead to a lifetime of improved confidence, self-esteem and oral health.

Dr. Nanda is a member of the American Association of Orthodontics (AAO) and the California Dental Association (CDA). He believes in the importance of using the latest technology and evidence-based methods in his field and has published many research articles, including a study he developed on 3D imaging in orthodontics. His grandpa and granduncle were two of the first orthodontists in the USA to pioneer biomechanics in the orthodontic specialty. As such, Dr. Nanda excels in treating all ages gently and effectively with short treatment times. “We use Invisalign, braces, expanders, and/or other appliances to create smiles that will last.”

Dr. Nanda married his dental school sweetheart, Dr. Patricia, our pediatric dentist. After finishing their residency programs at UCLA in 2015, they moved to Oxnard and have enjoyed working together at Sugarbug ever since. They had their first baby in summer of 2017, second in autumn of 2019 and enjoy raising them near the beach on the Channel Islands Harbor.

Diplomat of the American Board of Orthodontics

Nara Choi, DDS, General Dentist 

Dr. Nara Choi completed her undergraduate degree at Cornell University in 2002 before attending the NYU School of Dentistry, from which she graduated in 2007. Dr. Choi then completed her residency at NYU Langone Hospital in 2008, and was a Chief Resident there in 2009 overseeing complex surgery and medically compromised patients.

Dr. Choi is married with two children, a 7-year-old girl and a 5-year-old boy. She enjoys running and playing tennis, and frequently volunteers at Oak Park Unified School District. Dr. Choi is also fluent in Korean.

Behzad Danesh, MS, DDS,
University of Southern California (USC) School of Dentistry

Dr. Danesh graduated from the Herman Ostrow School of Dentistry at USC in 2016 and has been practicing dentistry in this area since graduation. He did his undergraduate work at UCLA and earned his bachelor’s degree in biological sciences while studying pre-dental courses. He completed a Master of Science in global medicine at the Keck School of Medicine at USC. Dr. Danesh continues to learn on a daily basis and as a doctor, and it is his goal to stay current with the latest technologies and treatment procedures. He is a member of the American Dental Association, the California Dental Association, the Armenian Dental Association of California and the Alpha Omega Dental Fraternity.

Dr. Danesh offers a wide variety of treatments to adult and pediatric patients alike. Some of those treatments include surgical extractions, dental fillings, crowns, pulpectomies and pulpotomies, root canal procedures, aesthetic procedures and surgical dental implants. He is very passionate about his career and his patients. He is very friendly and loves to make patients smile. He also enjoys educating patients and addressing their concerns so that they will feel comfortable about their treatment plans. His goal as a dentist is to utilize his knowledge and skills in the dental field to not only alleviate patients’ oral conditions, but to promote overall health.

On the weekends, Dr. Danesh loves to spend time with his wife and family. He enjoys skiing, exercising, hiking and trying out new restaurants. He loves to watch tennis, soccer, and basketball, and is a fan of the LA Lakers.

Dr. Honey Balazadeh, DMD

Dr. Honey Balazadeh received her education at Tufts University School of Dental Medicine and graduated in 2014, going on to complete a general practice residency at Meharry Medical College. She completed her undergraduate studies at California State University, Northridge. She has been practicing in the area for six years and is a member of the American Dental Association®. Her primary goal in dentistry is to teach and be involved in research.

In her free time, she enjoys swimming and exercising.

Erin Walker, DDS, MSD

After receiving her Bachelor of Science degree in neuroscience and kinesiology from the University of Southern California, Dr. Walker earned her DDS at the University of Michigan in 2018 and her orthodontic and Master of Science in Business degrees at the University of the Pacific in 2020. She has been practicing in our area ever since and participates in continuing education annually. She is a member of the American Dental Association®, the American Association of Orthodontists® and the Pacific Coast Society of Orthodontists. She is also a member of Omicron Kappa Upsilon, an honors society comprised of dental school graduates who represent the top 12% of their graduating classes.
Dr. Walker loves being an orthodontist and for her, it is the best job ever. She always strives to provide the best possible care for her patients and give everyone the smile they have always dreamed of.
Dr. Walker and her fiancé were planning on getting married in 2020, but needed to postpone the wedding until August 2022. Her parents and brother live nearby and they all love spending time together. In her free time, she loves to play tennis and is learning to golf. She also works out and lifts weights.

Katayoun Tajik, DDS, Pediatric Dentist

Dr. Katayoun Tajik graduated from New York University in 2021. where she completed a board-certified honors program in Pediatric Dentistry and Special Needs. She’s a member of the ADA and brings a wealth of knowledge in the latest advances
and practices in dentistry. She hails from a family of dentists and infuses fun into her own daily practice by encouraging her patients to floss between their teeth and on the dance floor. She loves olives on her pizza and playing her favorite board game Backgammon with her husband, who happens to be from Canada. So, when they’re not in Southern California, you can find them enjoying all the seasons in Whistler, British Columbia.

Nasim Zarkesh, DDS, Pediatric Dentist

Dr. Nasim Zarkesh graduated from UCLA and has advanced training in Pediatric Dentistry from UNLV. Prior to focusing on dentistry, she was a bioengineering undergrad at UCLA. She’s a member of the ADA, AAPD, CDA and is Board Certified with the ABPD. She was always interested in working in the health field and fell in love with dentistry because it combined health with art. Dr. Nasim recently traveled to Macho Picchu and she found it absolutely breathtaking. When she’s not caring for her young patients or traveling, she’s taking care of her dog Harlow and two goldfish. She enjoys working at Sugarbug and appreciates the state-of-the-art spaces and advanced technology the office has to offer. We’re so glad she’s a part of the team!

Tina Bastar, DDS, Pediatric Dentist

Dr. Tina Bastar graduated magna cum laude from UCLA in 2019 and completed her residency in Pediatric Dentistry at USC and Long Beach Memorial Hospital. Prior, she completed her undergraduate at Shahid Beheshti University of Medical Sciences in Tehran, Iran and her international background is a huge asset to our diverse care team. She’s also a member of the ADA, AAPD, CSPD, and CDA. Her love of science brought her to the healthcare profession where she found a deep purpose in caring for others, especially children.  She’s committed to making their experience at the dentist a positive one. When she’s not in the office she enjoys playing chess and coming up with ways to make home oral care fun!  Her favorite trick is to have her patients play their favorite music while brushing and flossing.

Katayoun Mohajerani, DDS, Pediatric Dentist

Dr. Katayoun Mohajerani, who goes by Dr. Katie, graduated from New York University in 2008 after completing her undergraduate studies in molecular and cellular biology at UC Irvine. She then completed a General Practice Residency in The Bronx and received a certificate in pediatric dentistry in Brooklyn. It has always been a childhood dream of hers to become a dentist, and she is a member of the American Board of Pediatric Dentistry and the New York State Dental Association.

Dr. Katie especially loves teeth with a unique feature called dens evaginatus, which looks like a little horn. She has adoringly dubbed them Unicorn Teeth. She has a 16-pound black adventure cat called Shadow, and her favorite children’s book is The Little Prince.

Stephanie Trahan, DMD, Pediatric Dentist

Dr. Stephanie Trahan received her bachelor’s degree from Syracuse University, where she played on the women’s ice hockey team, before she went on to Boston University’s Goldman School of Dental Medicine and graduated with her DMD in 2011. Since then, Dr. Trahan has been proud to improve and share her dental service through continuous work. She gained her master’s degree in Public Health and completed a residency in pediatric dentistry at UCLA. She is also a member of the American Dental Association® and the American Academy of Pediatric Dentistry, and she has been happy to offer meritorious dental service to the people of Guatemala.

After proudly serving as a member of the United States Air Force, Dr. Trahan is happy to be a part of the Sugarbug team, where she can help people, do arts and crafts and even watch some cartoons with her younger patients.

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