Doctors and Staff

Meet Our Palo Alto Advanced Dentists

Our Palo Alto Dentists are dedicated to providing you with the highest quality care. This attitude has made Palo Alto Advanced Dentists a well-respected dental care destination for Palo Alto and the greater Bay Area. In our modern offices, equipped with the latest technologies, our dentists can help improve your self-image, confidence, and well being by perfecting one of your most valuable assets — your smile.

James Ho D.M.D., M.P.H.

James Ho D.M.D., M.P.H.

Dr. James Ho earned his Doctor of Dental Medicine (D.M.D.) and Master of Public Health (M.P.H.) from Harvard University. He attended University of California, Santa Cruz for his undergraduate degree in Biochemistry and Molecular Biology, with a minor in Computer and Information Sciences.

A member of the American Dental Association (A.D.A.) and California Dental Association (C.D.A.) and American Association for Functional Orthodontics (A.A.F.O.), Dr. Ho devotes 100% of his time in patient care using the most up-to-date, safe and proven treatment modality that Dr. Ho is uniquely qualified to share with his patients.

In a typical clinical setting, Dr. Ho explains in detail all possible alternate treatment procedures, and obtains consensus on the best treatment plan based on the patient’s need and resources. Many patients complement on Dr. Ho’s repertoire of dental skills that offer them “one-stop” dental care for all their oral health needs.

Dr. James Ho may not be your ultra specialist who promises a better face after he dissembles your entire skull and put it back together from pieces, but with a well-rounded, medical-dental education from Harvard, he immerses himself with such proven high-tech innovations as digital X-ray, hard- and soft-tissue laser, and CAD-CAM (CEREC) dentistry.

He gains rapport and trust from his patients by successfully reviving what several specialists and general dentists deem “hopeless” situations. To be sure, there is no magic wand that Dr. Ho can wave to make those “miracles” possible. Instead, he is able to employ all his skills and disciplines to evaluate and solve problems for each challenging situation. The result is that every patient of his benefits from the amalgamation of technology and 14 years of full-time clinical experience.

Dr. Ho is especially fond of the fields of Functional Jaw Orthopedics and Orthodontics. He provides bone regeneration therapy in addition to scaling and root planing to rejuvenate dental and periodontal health, and he is able to provide root canal treatment, post and core, and crown restoration in one single appointment!

Dr. Ho uses cutting edge techniques to perfect your smiles. One of his specialties is Dental Implant. To learn more about Dental Implant, please visit

Dr. Ho’s bedside manner has an impeccable record: he is a winner of Best Service Award in the Dentist Category for two consecutive years. Dr. Ho is fluent in English, Mandarin and Cantonese.


Dr. Karen Trinh

Karen Trinh D.D.S.

Dr.Karen Trinh, Vietnamese American raised in Stockton, CA.

She earned her Bachelor of Sciences degree in Biology from the University of the Pacific (UOP) in Stockton, CA. She earned her Doctor of Dental Surgery from the University of the Pacific School of Dentistry in San Francisco, CA. She also established her own office in Stockton, California at the start of her career and has been practicing for over 12 years.She immerses herself with continued education by attending seminars and workshops to learn the latest techniques and newest dental advancements to provide her patients with the best dental care.

Dr. Trinh is experienced with various facets of dentistry including tooth extractions, gum treatment, laser therapy, crown and bridge, composite restoration, veneers, dentures and root canal therapy.

She broadens her clinical work experience by affiliating herself as an associate with other dental offices.She is interested in pediatric dentistry and is certified to perform Oral Conscious Sedation for children with dental fears, anxiety and special needs.

She is a volunteer educator and dentist at Kaiser health fairs, Su Salud, Head Start Preschools and Creative Montessori Learning Center. Dr. Trinh speaks fluently in Vietnamese and Spanish. During her free time, Dr. Trinh loves spending time with her children and helps her husband at their retail furniture business, Famous Furnishings. She also enjoys listening to music, gardening, and taking leisure walks with her dog, Bentley.


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Pedro Avendaño D.D.S.

Dr. Pedro Avendaño graduated with honors from the University of Chile. There he also served as a clinical instructor in fixed prosthodontics, crowns, bridges, as well as implants training for the International Team for Implantology Straumann (ITI).  Prior to coming to California, he served as the director of a group of clinical practices in Santiago, Chile where he focused on Implants and Oral Rehabilitation. He is an active member of numerous dental societies in which he participates in lectures and continued education focused on Endodontics, Oral Surgery, and Implants.  He assisted in a course on Implant Maxi at the Loma Linda University,  School of Dentistry.  He is a member of the California Dental Association, American Dental Association, and American Academy of Implant Dentistry since 2011. Dr. Avendaño enjoys mountain skiing and spending time with his family.

Meet Our Staff

Maggie Duran

Maggie Duran

Sandra Vascuez

Sandra Vascuez

Leslie Chi

Leslie Chi