Dr. Mona Sidhu (General Dentist)

“I am proud to provide my patients with the best in dental technology, treatment options and patient comfort. It is my pleasure to address all your questions and concerns.”

Dr. Mandeep (Mona) Sidhu is an accomplished dentist with more than 10 years of experience. She passed her California dental license exam from the University of Southern California and has been through several post graduate courses in various fields of dentistry since receiving her BDS, DDS degree.

As much as Dr. Sidhu is concerned with oral health, she is equally committed to her patients’ emotional well-being. She understands that dental examinations and treatments can be intimidating for some, and is dedicated to providing a relaxed experience that eases fears and apprehensions about visiting the dentist.

Dr. Sidhu provides a wide range of dental services including cleanings, fillings, extractions, oral cancer detection, bleaching, bonding, crowns, bridges, dentures and veneers. She sees patients of every age and can guide them toward specialized care as needed. Her approach to your treatment starts with patiently listening to you. Then, after a complete and thorough examination, she reviews and discusses the diagnosis and treatment options with you. Her commitment to her patients’ well-being extends to their emotional state as well.

During her down time, Dr. Sidhu likes to cook, dance, read books and travel.

Dr. Mona Sidhu is a member of the following organizations:

Dr. Farnoosh Lak (General Dentist)

Dr. Farnoosh Lak earned her Bachelor degree in Neurobiology and Physiology from the University of California at Davis, in 1999.

She attended Tufts University, School of Dental Medicine in Boston, MA, where she earned her Doctor of Dental Medicine (D.M.D.) degree in 2004

Dr. Lak is an Invisalign certified provider, who enjoys giving people a smile, they’ve always dreamed of. In her spare time Dr. Lak enjoys spending time with her husband and two sons, reading, and watching movies.

“I strive to treat every patient as if they are a family member or a friend. I explain every procedure performed, in a way that can be understood, and I ensure that you are as comfortable as possible.”

Dr. Lak is a member of the following professional organizations:

Dr. Ghazala R. Khan (Endodontist)

“My goal is to provide my patients with the highest level of care utilizing the most advanced technology in a compassionate and ethical manner. I strive to exceed this goal everyday”

Dr. Ghazala Khan graduated from University of California, San Francisco, School of Dentistry. She maintained her association with UCSF by pursuing a General Dentistry Program for a year. She worked in the hospital dentistry clinic at UCSF, where her practice focus was dentistry of special needs patients. She carried out all aspects of general dentistry both in the operating room as well as in a clinical setting. While at UCSF, she held the position of Associate Director of GPR/Hospital Dentistry Program. In 2007, she started post graduate training in the field of Endodontics at UCSF. She completed her residency in 2010 and has been in private practice ever since.


Dental License, California Dental Board Dr. Khan has many interests outisde of Endodontics. She likes to volunteer at her kids schools, enjoys reading, traveling and is a devout yoga student. She lives in the east bay with her husband and two daughters.


  • American Association of Endodontists
  • Northern Californian Association of Endodontists
  • American Dental Association
  • California Dental Association
  • San Joaquin Dental Society


Dr. Jeff Takai, D.D.S., M.S.

Dr. Takai is originally from Orange County, California, but has been living in the Bay Area for over 10 years. He received his Bachelors in Science from UC Berkeley and graduated from the University of the Pacific Arthur A. Dugoni School of Dentistry. After dental school, Dr. Takai continued his education at UC San Francisco, where he completed a Master’s Degree and also a post-graduate residency in Periodontics and Implant Dentistry. Dr. Takai currently resides in San Francisco and enjoys rock climbing, cooking, art and music in his free time.

Jennifer Coakley (Hygienist)

“My favorite part about my job is building a long lasting relationship with my patients”.

Jen graduated from Diablo Valley College Dental Hygiene Program and have been working at our Antioch location for over 15 years. Jen is married and have a daughter. Jen love to cook, bake (her pistachio cake is to die for) and sew in her spare time. Jen hopes to open her own bakery in the near future.

Ghazal Kabirjuyan (Hygienist)

“I am very passionate about oral health, and strive to be a part of improving my patient’s health by proper home care, and putting their needs first.”

Ghazal completed her Dental Hygiene education at DVC and Carrington College. Before completing hygiene school, she worked as a registered dental assistant. Ghazal grew up in the bay area and recently bought a house in Antioch. She loves outdoor activities and enjoying traveling all over the world with her husband.

Oniel Dean (Operations Manager)

“My definition of excellent customer service is listening to the patients and going above & beyond for them.”

Oniel is responsible for day to day operations and office affairs. He has a double bachelor’s degree in Business Management & Marketing and hopes to complete his MBA focusing in healthcare. During his free time, Oniel likes to travel, go hiking with his German Shepherd (Bruno) and working out.

Alycia Brasil (Hygienist)

“I am very passionate about transcending the importance of oral health with my patients. I strive to be a motivating factor in maintaining my patient’s overall health including: nutrition, smoking cessation, proper oral hygiene habits and more.”

Aly has been a part for Smile Line Dentistry for more than two years. Aside from dentistry, she loves the outdoors. Quite often, you may find her at the lake or the beach on the weekends!


Dr. Mojgan Mehran

“My goal is to provide a comfortable and painless dental experience for all my patients”

Dr. Mehran graduated from UCSF School of Dentistry in San Francisco with high honors. She has more than 10 years of experience in the dental field. Dr. Mehran’s favorite part of her job is interacting with her patient and bringing smile to their faces.

Dr. Mehran is passionate about providing high quality dental care to all her patients. She loves all aspects of dentistry, especially cosmetic dentistry and oral surgeries.

During her spare time, Dr. Mehran enjoys outdoor activities with her family. She swims and does yoga on regular basis. Dr. Mehran loves to travel and has seen more than 10 countries around the world.

Dr. Vincent Van

Dr. Vincent Van is a Board Certified Pediatric Dentist. He earned his Doctorate of Dental Surgery (DDS) at the University of California, Los Angeles. While he was in dental school, he had a great time treating kids in the pediatric department. After graduation, he continued his education at New York University and completed a residency program in pediatric dentistry. His goal is to treat his patients in a safe and comfortable environment. Besides practicing as a clinician, Dr. Van is also an educator and serves as an adjunct faculty member at University of Pacific School of Dentistry. When not in the office, he enjoys fitness activities such as mud runs, and recording music. Some of his hobbies include playing piano and guitar, traveling, hiking, swimming, and playing board games.

Our Staff

Our team consists of dedicated individuals who are kind, friendly, and caring. Our staff is here to ensure a pleasant and comfortable experience during your visit to our office.

Our team includes experienced and energetic people whose goal is to communicate well with our patients and provide the best care possible while addressing any concerns.


Team Antioch (1) Team Livermore (1)