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Dentist Cale Slack Sioux Falls

Dr. Cale Slack

Owner, D.D.S.

Dr. Cale Slack was born and raised in Sioux Falls. A true son of the soil, he has practiced dentistry in his hometown. He attended University of South Dakota (USD) for his undergraduate work and graduated in 1997 from Marquette University in Milwaukee, WI with a Doctorate in Dental Sciences.

Dr. Slack and his staff are committed to your dental needs in the most professional and painless way possible. His clinic Riverview Dental accepts multiple insurance plans and most major credit cards. As a doctor and dentist, Dr. Slack is always looking for new ways and technologies that would benefit his patients. He just recently introduced laser dentistry – Solea in his clinic. Solea delivers virtually painless dental procedures for both teeth and gums from simple cavities to complex surgeries.

Professional Degrees, Memberships & Experiences:

  • Bachelors Degree from University of South Dakota
  • Doctorate in Dental Sciences – Marquette University in Milwaukee
  • American Association Board of Dentistry – member of 20 years
  • South Dakota Board of Dentistry – member for 20 years
  • ADA – member for 20 years
  • Better Business Bureau – member for over 5 years
  • Sioux Empire Chamber of Commerce –  member for over 5 years
  • Certificate of CEREC – Same day Crown – 18 years
  • Certificate in Solea – Laser Dentistry. Dr Slack is 1 of 3 Dentists to have this technology and certificate to operate Laser Dentistry in Sioux Falls, SD.

Dr. Slack is certified in performing dental implant procedures.


Dr. Slack and his wife Lori have two sons, CJ and Sawyer. He enjoys fishing, gardening, golfing and spending time with his family.

Heidi Dental Assistant Sioux Falls


Dental Assistant

Heidi has been a dental assistant at Riverview Dental since 2001. She is a graduate from the University of South Dakota with a Bachelor of Science in Health Sciences. Heidi also holds an Expanded Function Dental Assisting license and has been an extremely valuable, irreplaceable member of our team. We are proud to have Heidi on staff and appreciate her extensive understanding of advanced dental procedures along with the latest in dental technology. Our patients ask for Heidi by name knowing she has a gentle touch and the confidence to help them with dental decisions.

Heidi, along with her husband, Rudy, and their two boys, Kalen and Mason, are sports fans who love to watch as well as play baseball, football, and soccer along with roller skating, bowling, and skiing – just to name a few. Family fun is a priority for Heidi and she creatively finds ways to spend time together cooking exciting meals, finding a favorite picnic spot during a vacation adventure or making homemade pickles from their garden. In addition to Heidi’s sense of adventure, she also enjoys reading, concerts, working out, and spending time with her friends.

Melissa Dental Hygienist Dentist Office


Dental Hygienist

Melissa has worked at Riverview Dental since 2006. Melissa began her dental career as a dental technician while on active duty in the United States Air Force. Following her military service, Melissa attended Iowa Western Community college, an affiliation of Creighton School of Dentistry, to complete her hygiene degree. She also holds a Masters in Business Administration degree with an emphasis in healthcare from the University of Sioux Falls. Melissa’s calm, pleasant personality along with her immeasurable knowledge of dental wellness is a valuable asset during patient hygiene visits.

Melissa has been an active member of the South Dakota Dental Hygiene Association and serves in various capacities, including the role of President. Melissa, along with her husband Gaard, are huge NDSU Bison fans and attend many games throughout the football season. They also enjoy outdoor activities, including traveling to sunny places. Originally from the Tabor area, Melissa is proud of her Czech heritage and especially loves large gatherings with her relatives and extended family.

Roxanne Dental Hygienist Sioux Falls


Dental Hygenist

Roxanne has been with our Riverview Dental team since 2015. She earned her Bachelor of Science Degree in Dental Hygiene at the University of South Dakota in 2006. Roxanne spent 15 years in the travel industry prior to becoming a dental hygienist. Her outgoing, humorous personality helps to relieve patients of any dental anxiety they may feel. Roxanne is a very supportive team player and regularly goes above and beyond to help out in our team setting.

Roxanne and her husband, Mark, enjoy traveling both at home and abroad as well as spending time with friends, family and their children, Eric, Lauren, Caleb and Gideon. Roxanne is very active and loves outdoor activities such as running, biking, hiking, and gardening.

Tamara Riverview Dental Sioux Falls


Administrative Assistant

Tamara has been at Riverview Dental since 2016. Following high school graduation in Ft. Laramie, WY, she has worked in the dental field since 1976. With her extensive experience in the dental profession, she has a vast knowledge in all areas of dentistry including assisting, children’s hygiene, and administrative assistant. Tamara’s unique skills of sign language and working with special needs children made her a valuable asset in pediatric dentistry.

Tamara and her husband, Larry, have been married for many years and are proud parents of Amy, Amanda, Meghan, and Matthew. They live on an acreage and love raising horses, chickens, cats and dogs. Tamara has many crafty talents, but especially loves to knit, crochet and spin wool. Due to her kind nature and welcoming personality, she warmly greets all of our patients and quickly puts them at ease on our dental practice.