Our Doctors

Mike Khoshrozeh, D.D.S.

Dr. Mike is a graduate of the UCLA School of Dentistry. Providing excellence of care to all patients has always been his passion, and he is thrilled to be able to offer all general and specialty dental services from some of the top professionals in their respective fields to all of his private patients as well as patients who are referred for specialty services.

Hong Kim, D.D.S.

General Dentist

Dr. Hong Kim has been educated at the finest schools in Southern California, receiving his Bachelor of Science degree at UCLA and his Doctor of Dental Surgery degree at USC. After graduating from dental school, Dr. Kim pursued further advanced training in a General Practice Residency at the Rancho Los Amigos National Rehabilitation Center’s Department of Dentistry and soon afterwards did a Mini-Residency in Periodontics at the Wilshire Park Dental Institute. Dr. Kim continues to this day to be updated in the newest advancements and techniques in dentistry.

Not only is Dr. Kim trained & experienced as a Dentist, he has also been a Teaching Assistant, and General Practice Resident working in a wide range of diverse settings including dental schools, hospitals, the inner city, and now in General Practice.

Dr. Hong Kim has been the recipient of awards distinguishing himself from his peers. Such awards include the Resident of the Year Award, USC Bernard Levin Removable Prosthodontics, Award, and the USC “Doctors Out to Care” Leadership Award. 

Donghan Kim, D.D.S.

General Dentist

Dr. Dongham Kim is a 2016 graduate of the school of Dentistry at the University of Southern California. Dr. Kim attended the University of Georgia for his undergraduate studies. Dr. Kim has been a life member with the ADA, CDA, and Local Tri-County Society.


2016 Doctor of Dental Surgery: Dentistry University of Southern California - Los Angeles, CA 

2012 Bachelor of Science: Chemistry Georgia State Univ., Atlanta, GA

David Salehani, D.D.S., M.D.

Oral Surgery

Dr. Salehani is a board certified oral and maxillofacial surgeon. He received his undergraduate degree in Biochemistry with honors and his dental degree with honors from State University of New York at Stony Brook. He completed his Oral and Maxillofacial Surgery training at Long Island Jewish Medical Center. In addition to receiving a diversified maxillofacial training at LIJMC, he also earned a medical degree at Stony Brook School of Medicine. Then he went on to complete an internship in general surgery at Stony Brook University Hospital, where he was trained to manage major trauma cases. Dr. Salehani practices a full scope of oral and maxillofacial surgery including dentoalveolar surgery, facial reconstruction (trauma or pathology), orthognathic(corrective jaw surgery), cleft lip and palatedental implant, and TMJ surgery. He also participates as a faculty member in residents’ and students’ education at the UCLA medical center. Dr. Salehani has been on the peer review board of Los Angeles Dental Society and Guardian MDC insurance as the oral and maxillofacial surgeon consultant for the past seven years.

Dan Nguyen, D.D.S., PhD


Dr. Nguyen is a certified orthodontist who practices with the philosophy of providing the highest quality treatment in a professional and caring environment. He received his Doctor of Dental Surgery degree, Ph. D, and certificate of orthodontics from the University of Southern California and Bachelor of Science degree from the University of California Los Angeles. He was formerly an Assistant Professor in the Department of Graduate Orthodontics at USC.

Dr. Nguyen is proud to be one of a handful of Ph.D. and Certified Orthodontist in the U.S. Beside his clinical expertise in orthodontic treatment, he also conducted many  research projects in collaborations with Orthodontic Departments of USC, New York University and Harvard University since 1999.

Dr. Nguyen is an alumni of the Craniofacial Cleft Lip/Palate team at Miller's Long Beach Children's Hospital, the USC Orthodontics Alumni Association, and the UCLA Alumni Association.

Despite all these academic and clinical accomplishments, Dr. Nguyen finds the most rewarding thing is providing the confident and beautiful smile to his patients.


Brock Lorenz, D.M.D., M.S.


Dr. Brock Lorenz is a highly trained and skilled Periodontist, performing all surgical aspects of implant dentistry and Periodontics.

Dr. Lorenz earned his Doctor of Dental Medicine degree and Certificate in Public Health from the Arizona School of Dentistry and Oral Health.

Dr. Lorenz grew up in Fairfax, Virginia and graduated from Tulane University in New Orleans with a Bachelor of Science in Management. Dr. Lorenz has volunteered thousands of hours at the University of California, San Diego Free Dental Clinic Project where he helped to provide dental care to the underserved members of his community.

Dr. Lorenz completed an additional three years of Periodontology training at the Nova Southeastern University College of Dental Medicine. During his residency, he held the position of Chief Resident and clinical and academic teacher for dental students. In addition to his Certificate in Periodontology, Dr. Lorenz obtained his Master of Science in Dentistry at Nova Southeastern University. He is also certified to provide intravenous and oral sedation.

Dr. Lorenz has lectured for the Florida Academy of Periodontists and his research has been published in Compendium of Continuing Education in Dentistry. He has been active in implant-research and prospective clinical trials to examine efficacy of various grafting materials in bone augmentation procedures. Dr. Lorenz owes much of his success to those who trained him – some of the country's leading implant and periodontal specialists. Dr. Lorenz is a member of the American Academy of Periodontology (AAP) and the Academy of Osseointegration (AO). He currently resides in San Diego, California with his wife Meagan and daughter Soleil. 

Dr. Lorenz is a Diplomate of the American Board of Periodontology

Maziar Eshragi, D.D.S.


Dr. Eshraghi graduated Dental School in 1985 from Manila Central University and has since then been working in the field of dentistry. Starting in 2007, his main focus and specialty has been in root canal treatments; up to the present, he has associated with a large group of endodontists.
He holds memberships in the following national and local dental associations:
- American Dental Association
- California Dental Association
- Orange County Dental Association

Tuvia Zinman, D.D.S


Tuvia Zinman, DDS is a graduate of NYU college of Dentistry, class of 2005. Following his graduation, Dr Zinman went on to complete an intensive one year General Practice Residency training program at Wyckoff Height Medical Center. Until May 2018, Dr Zinman had the opportunity to serve NYC under served community as an attending dentist and an interim director of service at Gouverneur Healthcare hospital. Dr Zinman enjoys all aspects of dental care and excels in creating incredible smiles for all of his patients. He advances through continuing education studies in Implant and Aesthetic dentistry.

Living in many parts of the world and within the country, Dr Zinman is a very multicultural individual - he speaks four languages: English,Spanish,Russian,and Hebrew!

When Dr Zinman is not working in his dental offices, he enjoys going to the gym, jogging, biking, Bachata dancing, traveling and being with family and friends. His two wonderful children have been his inspiration and motivation for continuing to improve his knowledge and move his career and profession forward. 

Mustafa Bilal, D.D.S

Oral Surgery

Sarea Ghaemmaghami, D.D.S.

Pediatric Dentistry

Dr. Sarea Earned a bachelor’s degree in Biology from the University of California, San Diego and her DDS from USC. She earned a certificate in pediatric dentistry from the University of California, Los Angeles.

She is a diplomate of the American Board of Pediatric Dentistry and has received advanced training in behavior management, trauma, special health care needs, interceptive orthodontics, space maintenance, oral hygiene and dietary counseling. She enjoys educating children and their families on the importance of oral health so they can establish excellent habits for a lifetime of smiles. 

Dr. Sara partakes in outdoor activities and is a strong supporter of community programs such as Give Kids A Smile and UNICEF because they help make the world more pleasant for children.


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