127 Village Drive, Suite 100
Belgrade, MT 59714

Meet Our Team

Our friendly team at River Rock Dental Group is committed to providing you with quality care in a comfortable, welcoming environment. When you visit us, you can expect to receive personalized treatment and for us to do our utmost to ensure that you feel at ease. To make your appointment with our dentist and learn more about comprehensive dental care in Belgrade, Montana, please call us today at 406-388-0033. We look forward to meeting you soon!


Timothy R. Lund, DDS











Dr. Timothy Lund attended dental school at Creighton University, achieving his Doctor of Dental Surgery (DDS) degree in 2004. While attending dental school, he won many student awards and gained significant clinical experience, especially in the areas of implant dentistry and full mouth reconstruction. He has completed advanced training in complex implant cases and digital implant placement. He continues to advance his knowledge of dentistry on a monthly basis in order to better serve his patients. Dr. Lund has practiced in the Gallatin Valley area since 2004.

Dr. Lund is a member of several professional organizations, including:

  • American Dental Association
  • Blue Ribbon Study Club
  • Seattle Study Club
  • MGE Power Program Graduate

As a dentist, his goal is to provide comfortable, high-quality, long-lasting dental care to his patients.

Dr. Lund grew up in Williston, North Dakota. He is an outdoor enthusiast and enjoys camping, hunting, fishing, and hiking when not at the office. He and his wife, Melissa, have 2 dogs, Gus and Bailey.


Jennifer Lehnhardt, DDS











Dr. Lehnhardt brings high-quality dentistry and compassion to our office. Her goal is to provide patients with excellent care, based on trust and experience. After graduating from Loma Linda University School of Dentistry, she then completed general practice residency at VA Palo Alto. Before joining our team, Dr. Lehnhardt was a clinical instructor at Stanford Hospital and a general dentist at a thriving private practice in California. She has expertise in restorative dentistry, oral surgery, esthetic dentistry, and clear braces. She believes continuous learning allows her to offer the latest treatments available and provide the best possible care. She leads an active professional life by attending continuing education, volunteering for non-profits, and serving as a member of several dental organizations. She is a member of both the California Dental Association and the Academy of General Dentistry, and is a board member of the Mid-Peninsula Dental Society. She is excited about relocating to Montana and looks forward to experiencing more of the outdoors. She has had a very positive experience with people here, and can’t wait to escape Bay Area traffic. In her free time, she enjoys hiking, skiing, watching Netflix, and trying new foods.


Sarah – Dental Hygienist






Sarah recently moved to Montana and is excited to be a part of our team here at River Rock Dental Group! She was born and raised in Minnesota, and earned her bachelors degree in dental hygiene at the University of Minnesota. What she loves most about her job is all of the awesome patients that she gets to meet, and helping people achieve healthy and beautiful smiles. Outside of the office she loves to spend her time hiking, camping, fishing, hunting, trying new recipes, and being with friends and family. She can’t wait to explore more of Montana and to grow with our practice!


Angie – Office Manager






Angie joined our practice in 2020 with 5 years of dental and 20+ years of medical office experience. What she loves most about our office is getting to know our patients, as well as how friendly and helpful our team is. She moved to Montana in 2013 from the South with her daughter and kitty named Nala. Outside of work, Angie enjoys reading, hiking, crochet, sudoku, and socializing with friends.


Melissa – Lead Dental Assistant





Melissa joined our practice in 2016. She has been a dental assistant since 2004, and was an oral surgery assistant for 6 years. She originally studied nursing at Montana State University in Bozeman before entering the dental field. She is a certified dental assistant, and also has CPR certification. She married Dr. Lund in 2016, and now has 2 dogs named Gus and Bailey. She loves to work with her husband and considers the rest of the team family. Outside of work she loves cooking and baking, camping, hunting, and spending time with her family.


Madi – Receptionist






Madi joined our incredible team here at River Rock Dental Group in June of 2020. While studying business marketing at Montana State University, she developed an interest in the dental field. She is interested in attending dental hygiene school in the near future, with hopes of pursuing a career as a dental hygienist. What Madi loves most about our office is working with our amazing team and great patients. Outside of work she loves to go fly fishing, hiking, camping, hunting, and snowboarding.


Grant – Patient Coordinator






Grant joined our awesome team in February of 2019. He graduated from Montana State University in the Spring of 2020 with a bachelor’s degree in Organismal Biology, and will be attending dental school in the Fall of 2020 with a goal of pursuing a career in orthodontics. Before working at our office, Grant spent several years working as a Certified Pharmacy Technician. What he enjoys most about our practice is the friendly team and all of our awesome patients! Outside of work Grant enjoys skiing, hunting, and fishing.