Dr. James G. Shunk, DMD and Dr. Cristina Petit, DMD

Upland Team

Adriana - Registered Dental Assistant & Patient Relations Specialist

Adriana graduated from the NOVA Institute and received accreditation as a Licensed RDA in 1995. She joined Dr. Shunk and Dr. Petit’s office in 2008. She enjoys working with her co-workers and the doctors in a team environment. Adriana is fully certified in the back office and also helps our practice by working in the front office. She finds the dental field very rewarding because she is able to develop personal relationships with patients and help others.

Myrna - Dental Assistant

Myrna has 12 years of experience in the dental field and began working for Dr. Shunk and Dr. Petit in 2000 as a Dental Assistant. Her job enables her to assist the doctors in all aspects of dentistry. She truly values the relationships she has with patients and provides the best service possible. Myrna is extremely dedicated.

Donette - Registered Dental Hygienist

Donette began her career by working as a dental assistant for 5 years and then obtained a certificate in Dental Hygiene from Pasadena City College in 1990. She has over 22 years of experience in the field of dental medicine and in private practices. Her mission is to provide an atmosphere where her patients will be comfortable and trust that they will be given only the best care.


Laguna Niguel Team

Evan - Administrative Assistant

Evan has worked for our practice since November 2009. He is currently a student at Concordia University Irvine. Evan is extremely helpful in all areas of running the practice and does a little bit of everything. He makes sure no task falls through the cracks and enjoys having the opportunity to learn about business in a real environment not just in the classroom. Becoming a dentist is his ultimate career goal and he will receive his Bachelor of Science in the near future before applying to Graduate schools.

Myrna - Dental Assistant

Myrna has 12 years of experience in the dental field and began working for Dr. Shunk and Dr. Petit in 2000 as a Dental Assistant. Her job enables her to assist the doctors in all aspects of dentistry. She truly values the relationships she has with patients and provides the best service possible. Myrna is extremely dedicated.