9358 Dorchester Street, Suite 103, Highlands Ranch, CO 80129

dr martinich

Robert L. Martinich, D.M.D., P.C.

Dr. Martinich graduated from Bellevue Sr. High School, Bellevue, Nebraska, in 1967. He then attended the University of California, Santa Barbara and earned a Bachelor of Science degree with honors in Zoology in 1971. From 1972 to 1974 he studied at San Diego State University and earned a Master of Science degree in biology. After teaching in Cheyenne, Wyoming, he attended Washington University School of Dental Medicine in St. Louis, from 1976 to 1979 on a full scholarship. After three years of service in the Navy Dental Corp., Robert and his wife, Janet, moved to Denver in 1982. Dr. Martinich was the first dentist in Highlands Ranch, establishing his practice in the Highlands Ranch Healthcare Plaza in 1983. We have now been in the Highlands Ranch Town Center since 2007.

Dr. Martinich is committed to his patients and to his profession. He attends numerous continuing education seminars and is an active member of the American Dental Association, Colorado Dental Association, Metropolitan Denver Dental Society, American Orthodontic Society, and the Academy of General Dentistry. Dr. Martinich takes seriously the oath he made to provide his patients with the quality of care they need and deserve.

Dr. Martinich and his wife Janet raised all four of the children in Douglas County, enjoying all the outdoor activities Colorado has to offer. Dr. Martinich strongly believes in good nutrition and exercise, and participates and competes in mountain biking, swimming, whitewater kayaking, snowboarding, and Brazilian jujitsu.

Meet Our Team

Our personable and caring dental team at Smile Designer are well-educated and can inform patients about our various procedures and treatments.  Our office has a very relaxing and comfortable atmosphere, which helps our patients to relax and helps us to provide our patients with the quality dental care they deserve.  We look forward to meeting you and taking care of your dental needs!


Caroline – Insurance & Treatment Coordinator

Caroline has been with our team since 2017. She brings with her a great love of our wonderful patients, and genuine care for our patients’ experience, making sure that insurance and financial details are taken care of upfront. Caroline also enjoys the beautiful Colorado mountain atmosphere which makes our practice more relaxing. She also enjoys working in the town center of Highlands Ranch.

Caroline has 4 awesome sons, and has spent many years watching baseball and basketball games and skiing events. She graduated from BYU, where her sons now attend. Her hobbies include cooking, gardening, studying history, and going to the mountains with her family.


Joy – Business Office Appointment Coordinator

Joy joined our team in 2017. She loves our fabulous patients and wonderful team members. Joy began working in the dental field at age 16. Having passed through the many different positions in a dental practice, she is able to see the whole picture and guide our patients through every step of the way when they visit us.

Joy has a Bachelor of Science degree in Teaching and Family Studies. She is a dog and horse training specialist, with over 40 titles on her canine companions.



Dilyara (“Dee”) – Registered Dental Hygienist

Dee moved to Highlands Ranch from New York/New Jersey in 2017, and joined Dr. Martinich’s team in February 2017. Dee has been in the dental field since 2005, and graduated from New York City College of Technology with a dental hygiene degree in 2012. She loves making our patients happy, and enjoys being able to share her experience and knowledge as well as help care for individuals.

Dee has been married for 8 years, and has a 6-year-old son. Outside of the office, her hobbies include playing piano, playing checkers and building puzzles and Legos with her son, hiking, and swimming.



Kathy – Registered Dental Hygienist

Kathy began working for Dr. Martinich in the 1990s. She has a Bachelor’s degree for the University of Nebraska Medical School College of Dentistry, and enjoys reconnecting with patients from 20 years ago, and building a positive rapport with each patient that she meets. Outside of the office, her hobbies including hiking and reading.



Denise – Registered Dental Hygienist

Denise worked with Dr. Martinich for 6 years in the 1990s before moving away. In 2017, she returned home to our office after more than 25 years away. Denise has more than 35 years of experience in dental hygiene, including experience in general dentistry, periodontics, and pediatric dentistry. She received her Dental Hygiene degree in Pueblo, CO, and is licensed to practice as a dental hygienist, in Colorado, California, and Maryland. She is dedicated to providing quality care, giving 110% to each patient she meets. Denise has worked in many dental practices over the years, and truly appreciates being part of an honest, top-quality office.

Denise was born and raised in Colorado. She is married, and has 2 grown children who also reside in Colorado. She loves the mountains, and enjoys skiing and hiking. Her son has taken an interest in dentistry, and is currently working as a dental assistant with Dr. Martinich.



Will – Expanded Duties Dental Assistant

Will joined our team in early 2017. His mother, Denise, is a dental hygienist, and dentistry has always been a part of his life. Being part of Dr. Martinich’s practice allows Will to help many people and have very positive experiences daily. He finds it rewarding to help patients improve their health and appearance with a beautiful smile. Will’s main goal is to provide the best treatment possible while ensuring that our patients are comfortable. He also strives to ensure that any appliances made in-house are delivered promptly and feel perfect to the patient.

Will earned his Bachelor of Science degree in Mechanical Engineering from Lehigh University in Pennsylvania.



Kristy – Expanded Duties Dental Assistant

Kristy recently joined our team. She earned her dental assisting certificate at Pima College, and is currently studying psychology at Argosy University. She enjoys working in a team environment and being part of a first class dental team, and works hard to providing high-quality care to each patient she meets.

Kristy has an amazing teenage son who is her world, as well as a black lab which is her fur baby. Her hobbies include hiking, snowboarding, seeing live shows and concerts, trying new food, and spending time with her son and family.