Meet the Doctors

Ben Amini, DDS, FAGD

As the founder of CitiDent, Dr. Amini leads by example to keep standards high. He holds numerous certifications and accolades, including the most prestigious commendation a general dentist can achieve: Fellowship in the Academy of General Dentistry. By attaining this fellowship, Dr. Amini joins an elite group of just 7 percent of all general dentists who possess this distinction. To gain a Fellowship in the Academy of General Dentistry (FAGD), Dr. Amini completed more than 500 hours of AGD approved hands-on workshops and didactic continuing education courses and passed an arduous written exam in all disciplines of dentistry. The willingness to voluntarily pursue such a rigorous path speaks volumes about Dr. Amini’s discipline and commitment to dentistry. All the extended learning means that at CitiDent, you will receive expert care from a dentist who is a practitioner and a clinical professor. Dr. Amini is a practitioner who has a sincere dedication to his craft and his patients, while teaching and training the next talented generation of dentists.

Dr. Amini, completed his undergraduate studies at San Diego State University, and obtained his dental degree in Doctor of Dental Surgery (DDS) at the University of California, San Francisco, UCSF School of dentistry in 1996. He is a member of numerous local, national and international dental organizations and is currently an associate clinical professor at UCSF, School of Dentistry. Some of the professional organizations Dr. Amini belongs to are:

  • American Dental Association (ADA)
  • California Dental Association (CDA)
  • San Francisco Dental Society (SFDS)
  • Academy of General Dentistry (AGD)
  • American Association of Cosmetic Dentistry (AACD)
  • Academy of Osseointegration
  • World Clinical Laser Institute (WCLI)
  • International Congress of Oral Implantology (ICOI)
  • Member of Faculty Club at the Spear Education
  • Member of Innovation Leadership Panel at Align Technology
  • Member of Community Dental Health Committee, a chapter of San Francisco Dental Society
  • Adjunct Faculty, Clinical Instructor, University of Pacific, School of Dentistry
  • Associate Clinical Professor, University of California San Francisco, UCSF School of Dentistry
  • Member of UCSF Admission Committee, School of Dentistry (2014-2016)
  • UCSF Alumni—Life Member
  • UC San Francisco Society Associate Member
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Dr. Amini is also a past and current member of numerous local and national study clubs in Implant, cosmetic, laser dentistry and Invisalign. Dr. Amini is certified in laser dentistry and utilizes a state of the art laser technology by Waterlase, which in many procedures minimizes or completely eliminates the usage of dental drill and scalpel.

Dr. Amini is one of eight doctors selected for The Align Technology Innovation Leadership Panel in August 2011. This select group of Invisalign doctors advise Align Technology, the manufacturer of Invisalign, on product innovation ideas. These doctors have an exclusive level of access to information about new Invisalign products and services, and are a key source of ideas for new product innovation.

Dr. Amini has an Associate Fellowship status at the World Clinical laser Institute.

Dr. Amini stays abreast with the latest advances in dentistry by regularly attending study clubs, UCSF faculty seminars, and post-graduate continuing education courses in cosmetic, restorative, implant and laser dentistry.

Dr. Amini’s passion is teaching. He also enjoys cooking, reading, and traveling. He is an advanced scuba diver holding an Advance Open Water PADI certificate. He also holds a patent for a safety device in scuba diving.

Jennifer Ngo, DDS

Native Californian, Dr. Jennifer Ngo was raised in San Jose and studied at The University of Santa Clara, where she graduated Magna Cum Laude with a B.S. in Biochemistry. Her doctorate in Dental Surgery was achieved at the University of the Pacific in San Francisco.

A member of the California Dental Association and the American Dental Association, Dr. Ngo works closely with her patients and maintains outstanding clinical standards to ensure the best treatment possible for everyone she sees. She specifically takes time to discuss treatments with those who are reluctant to visit a dentist and help them overcome anxieties. As she strongly believes that dental care is a vital part of overall healthcare, Dr. Ngo not only treats patients, but aims to educate them on how to clean and maintain their smile at home.

Recognizing that the field of dentistry evolves and advances, Dr. Ngo continues to take courses and learn about new technologies and treatment techniques. She has participated in humanitarian trips to provide healthcare to rural areas in Vietnam, Honduras, and Jamaica, and can also be seen volunteering locally at The Berkeley Free Clinic and San Francisco’s Project Homeless Connect. In her free time she enjoys science fiction, yoga, sculpting, and cooking.


Shabnam Rahimi, DMD

Dr. Shabnam Rahimi grew up on the East Coast and received a Bachelor of Science (BS) degree from George Mason University in northern Virginia. She then went on to obtain her D.M.D degree at Midwestern University College of Dental Medicine in Chicago. After graduating from dental school Dr. Rahimi went on to complete a year long advanced education in general dentistry residency at University of California in San Francisco where she gained advanced training with a heavy focus on dental implants.

Dr. Rahimi believes in working together with her patients to develop a treatment plan that provides the best comprehensive care, while achieving the patient's personal dental goals. Her objective is to customize each dental visit for her patients, as each one is unique and no two mouths are the same. She is a very strong advocate for patient dental health education, and for her patients to adopt preventative practices to maintain a healthy oral cavity and a smile her patients are most proud of. Dr. Rahimi's goal is to make each visit a comfortable and revitalizing experience for her patients.

Dr. Rahimi has traveled to remote sites in the Dominican Republic to provide dental work on mission trips, a cause that she is very passionate about. She enjoys playing tennis and her favorite grand slam to watch is the French Open. In her spare time Dr. Rahimi and her husband enjoy traveling, taking their golden retriever on adventurous hikes and playing with their two nieces.

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Alec J. Temlock, DMD, MS

Diplomate, American Board of Periodontology

Dr. Temlock grew up in Tennessee and attended Vanderbilt University as an undergraduate where he received a Bachelor of Science (BS) degree. After graduation, he joined a medical research team at Vanderbilt University Medical Center in the Department of Neurology for several years before moving to New York City to begin career in the pharmaceutical industry. Several years later, Dr. Temlock decided to refocus his career towards patient-oriented outcomes and ultimately attended dental school.

Dr. Temlock graduated Cum Laude from Boston University School of Dental Medicine, receiving his Doctor of Dental Medicine (DMD) degree. At graduation, he was awarded the prestigious American Academy of Periodontology Dental Student Award recognizing his Outstanding Achievement in Periodontics. After completing dental school, Dr. Temlock continued his education as a surgical resident at the University of California, San Francisco, UCSF School of dentistry. After three years of specialty training, he was awarded his Certificate of Residency in Periodontology. While receiving his intense surgical and implant training, he also completed a Masters of Science (MS) degree in Oral and Craniofacial Biology.

Upon completing his surgical residency training, Dr. Temlock pursued Board Certification with the American Board of Periodontology. After two years of intensive written and oral examinations, Dr. Temlock achieved Diplomate status, which is the highest achievement recognized in any specialty.


In addition, Dr. Temlock received an academic appointment at the prestigious University of Pacific School of Dentistry in San Francisco where he continued to teach the next generation of aspiring dentists and specialists.

Dr. Temlock continues to attend continuing education symposia around the world focusing on implant placement and restorations, advanced surgical techniques and plastic surgery, patient sedation and comfort, and safety precautions among other topics. He strives to educate and inform patients from the very first visit, and his greatest pleasure comes from the smiles when his patients happily complete treatment.

Amanda Cheng, DMD

Diplomate of the American Board of Orthodontics

Dr. Amanda Cheng obtained her Doctor of Medical Dentistry from the Harvard School of Dental Medicine and completed her specialty training in Orthodontics and Craniofacial Orthopedics at the University of Minnesota. In downtown San Francisco, she is 1 of 4 Board Certified Diplomates of the American Board of Orthodontics. Dr. Cheng’s exceptional skills allowed her to study under some of the world’s best orthodontists at both Harvard and the Mayo Clinic. With her background in fine arts and portraiture, Dr. Cheng enjoys creating beautiful smiles that are in harmony with the unique and specific facial features of each and every one of her patients. Her high esthetic standards allowed her to become a judge for the Miss Asian Global and Miss Asian American Pageant.

Dr. Cheng has treated over one thousand patients and is passionate about technology. She lectures about 3D Printing in orthodontics and focuses on bringing the best care for her patients through advancements in esthetic and accelerated treatments. Her consultations are always a pleasant surprise, where her patients are sometimes amazed that their treatments can be completed in as short as 3 months. With the latest technological advancements in custom arch wires and minimal friction brackets, most treatments can be completed within a couple of months. The archwires used at Citident Orthodontics are made from a “shape memory alloy” adopted from aerospace technology. This wire is activated at your own body heat and “remembers” its desired form to move your teeth according to the treatment plan.

Dr. Cheng has experience with self-ligating Damon brackets, robotics Suresmile technology, clear braces, accelerated osteogenic orthodontics, Invisalign, and Acceledent, which can speed up orthodontic treatment by as much as 50%. During the consultation, Dr. Cheng will evaluate your case and she will decide on the best form of technology to use. She strives to understand the individual needs of each of her patients to provide them with the dream smile that they have always wanted. She enjoys working in a boutique orthodontic practice in downtown San Francisco, where she can provide more doctor time and give quality care to every patient.

DrAmandaCheng Ortho

Dr. Cheng is passionate about global health and has worked with the Pediatric AIDS Treatment Support (PATS) Project to provide dental care in Anhui China for HIV positive children. She has also done charity dental services for underserved populations in Belize and Brazil. She has focused her research on oral cancer and has presented her findings in Barcelona and was a lecturer at the Beijing School of Stomatology. Having grown up in Beijing, Singapore and Canada she is fluent in both English and Mandarin. Dr. Cheng brings a wealth of knowledge to our practice at 120 Battery Street and is a tremendous asset to our team. She is very excited to meet you to create the beautiful smile we have all set out to achieve!


Address: 120 Battery St., San Francisco, CA 94111

Phone: 415.391.4466


Office Hours

Monday 9:00am - 5:00pm
Tuesday 9:00am - 5:00pm
Wednesday 9:00am - 5:00pm
Thursday 9:00am - 5:00pm
Friday 9:00am - 5:00pm