Welcome to Green Leaf Dental Care, conveniently located in House Springs, Missouri. Here, our professionals know that dental health is not just about white smiles: it’s about having strong teeth and healthy gums. It’s about prolonging the simple joy of eating delicious things! Our mission is Helping our Community Smile.

We aim to educate our patients in a safe environment while offering them necessary comprehensive care. We understand that many people have anxiety about dental treatment, so we created a soothing environment and a scheduling system that never keeps you waiting long. By combining the latest technology with traditional techniques, we give our patients the best care in the area.

Meet the Team


Nathan Suter, D.D.S.


A graduate of the University of Missouri-Kansas City (UMKC) School of Dentistry with a Doctorate of Dental Surgery degree, Dr. Suter also has a Bachelor of Science degree in Business Administration from Webster University in St. Louis. In November of 2016, Dr. Suter received both the National Network for Oral Health Access Outstanding Clinician award and the American Dental Association Dr. David Whiston Leadership Award. Dr. Suter joined the Missouri Coalition for Oral Health in 2014 and is currently serving as the Vice Chair on its board of directors. Dr. Suter married Cayla Suter, his high school sweetheart, in 2009. They have three children Clark, Haddie, and Lena.


Jane Collignon, RDH.


Jane is proud to be a Dental Hygienist for 47 years with the last 25 years in House Springs. She has enjoyed meeting and getting to know all her patients, watching their kids grow and having children of her own. Teaching generation’ good dental health habits. She has lived in Cedar Hill for 39 years and has a daughter, son, daughter in law and her pride and joy, Tommy, her grandson.


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Lisa graduated from Meramec Community College with a dental assisting degree in 1985. She worked for 22 years for endodontic specialists as an assistant/receptionist. She has worked for Dr. Bruce Collignon for 11 years as a receptionist. She is the pulse of the practice, having her hands in everything that goes on in the office and knowing every small details about the patients. She sees them as a part of the family and enjoys that they feel comfortable when visiting the office. She is a native of High Ridge. She and husband Joe are proud fur parents to Parker.

Tiffany RDH

Maureen Brown, Dental Assistant


Maureen is a dental assistant. After graduating high school she attended Missouri School for Doctors Assistants. After graduating from assisting school Maureen worked for Dr. Bruce Collignon for 31 years. Maureen does several different duties from greeting patients, setting up for dental procedures to assisting the doctor. Maureen enjoys talking and getting to know her patients. Maureen is married to her husband Kenny for 30 years and has two sons, Zachary and Remi. She enjoys being outside and spending time with her pets.


Melanie, Dental Assistant


Melanie received her Dental Assisting certificate from Anthem College and has been in the dental field for four years. She is married to her best friend Josh for two years. She has a 1 year old son and expecting to grow her family in March 2019. She loves to laugh and have fun. She is outgoing and easy to get along with.


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Nikki attended Allied Medical College for Dental Assisting. She has been in the dental field for 18 years and joined Dr. Suter’s team at Green Leaf Dental Care in September 2018. She shares her passion of dental by explaining treatment plan options and helping patients understand their insurance benefits. In her spare time, she loves spending time with her family and friends.


Tiffany graduated from St. Petersburg College where she earned in Associate of Science in Dental hygiene and a Bachelor of Applied Science in Healthcare Administration. In her 13-year career as an assistant and hygienist, she served in the United States Air Force and worked as a dental educator and community oral health director. After her enlistment, Tiffany has worked in public health dentistry, where she strives to enhance population health outcomes and delivery of oral health services. In that capacity, she worked to create a dental home within the primary care practice through the use of teledentistry methodologies, emphasized overall wellness through improved oral health status, increased collaboration among providers, and the promoted health education. Tiffany has a strong commitment to oral health advocacy, she serves as the President Elect, Delegate with the Missouri Dental Hygienists’ Association and the Leadership Development Committee for the American Dental Hygienists’ Associations. Presently, she is pursuing her Master in Public health. Tiffany lives with her husband David and her four children: Maia, David, Raion and Yara. Sdhe enjoys spending time with her family and mentoring young dental professionals.