Our Team

About Our Lone Tree Dental Office

Lone Tree Modern Dental is located in Lone Tree, CO. Our staff of dental experts includes regular and cosmetic dentists, endodontists, orthodontists, periodontists, and oral surgeons.

Interested in learning more about how you can save on dental visits? See a full list of insurances accepted or learn more about our payment options for patients without insurance. Don’t forget to check out our special offers!

Mission Statement

Our continuous mission, as a team, is to provide our patients with a comfortable environment to have their oral health diagnosed and discussed comprehensively; allowing for our patients to make informed decisions about their care, at a level they are comfortable with. We strive to provide the most current and best practices in dentistry, ensuring our patients have the healthiest dentition attainable.

Dr. James Fischer – Cosmetic & General Dentist

Dr. James FischerDr. Fischer is a graduate from the University of Nebraska, where he received his Bachelor’s in Biology. He went on to receive his Doctorate from the Creighton School of Dentistry in Omaha and has been practicing dentistry for the past 20 years. He is a member of the Academy of General Dentistry and stays up to date in all phases of dentistry.

Learn More

Dr. Hails – General Dentist

hails headshotDr. Hails is a graduate of Illinois Wesleyan University, where he played football for 4 years and received his Bachelor’s in Chemistry. He then went on to receive his Certificate of Graduate Studies at the University of South Carolina Medical School in Biomedical Sciences. Dr. Hails received his Doctorate from Southern Illinois University School of Dental Medicine.

Dr. Hails grew up in the St. Louis metro area and is a lifelong sports fan. In his free time, he enjoys living an active lifestyle and is excited about the opportunity to explore the Denver area.

Dr. Maria Petroche – Periodontist

Dr Maria PetrocheDr. Petroche grew up in Florida and attended Nova Southeastern University College of Dental Medicine to complete her Doctor of Dental Medicine degree. She then completed her 3-year Periodontology residency and received her Certificate in Advanced Graduate Studies as well as a Master of Science in Dentistry from Boston University Henry M. Goldman School of Dental Medicine, while also working in private practice. At Boston University, she was awarded the merit-based Zanni Scholarship and was her class president. Dr. Petroche chiefly focuses on minimally invasive surgery and has extensive training using advanced digitized implant workflow to deliver the best care for her patients. She has received extensive training and certification in IV conscious sedation during her residency which allows her to provide treatment for patients with dental anxiety. Dr. Petroche is trilingual; she speaks Spanish and Portuguese fluently. She enjoys challenging esthetic cases and has advanced training in cosmetic injectables. In her free time, Dr. Petroche enjoys hiking with her husband and dog, scuba diving, skiing, and trying new restaurants.

Dr. Petroche is Board Eligible with the American Board of Periodontology. She is an active member of the American Academy of Periodontology, the American Dental Association, the Academy of Osseointegration, and the Colorado Dental Association.

Dr. Heyse – Endodontist

dr. heyse headshot

Dr. Heyse was raised in an Air Force family growing up in multiple parts of the country including New Jersey, Florida, Texas, and Nevada. He graduated from the University of Nevada-Reno earning a Bachelor of Science degree in Biology. Staying in Nevada, Dr. Heyse obtained his Doctor of Dental Medicine degree from the University of Nevada-Las Vegas School of Dental Medicine.

Immediately following dental school, he was commissioned as an officer into the United States Air Force Dental Corps and received an AEGD-1 residency certificate. Dr. Heyse spent 6 years as a general dentist serving United States Airmen and their families at multiple duty stations from Virginia to Japan.

Upon separation from the military, Dr. Heyse garnered his Master of Science and Certificate in Endodontics from the University of Minnesota. Dr. Heyse is currently Board Eligible with the American Board of Endodontics and holds active membership as part of the American Association of Endodontists, American Dental Association, Colorado Dental Association, and Metropolitan Denver Dental Society. Dr. Heyse is also a member and guest lecturer in several local study clubs. Outside of the office, Dr. Heyse spends time with his wife and two children taking advantage of the incomparable offerings that Denver and its surrounding wilderness provide.

Angelina – Dental Hygienist

AngelinaAngelina went to school at Front Range Community College for dental assisting. After she finished their DA program, she decided to further her education and pursue a career in dental hygiene. Her favorite part of dental hygiene is helping others and making them feel good about their smile. In her spare time, she enjoys hiking, traveling, and hanging out with her dog, Chicken.