Joiner and Zwart Dentistry

About Us

At Joiner and Zwart Dentistry we are proud of the team of dedicated professionals we have assembled. We are confident you will find each of our team members to be friendly, compassionate, and professional.

Dr. Jeffrey D Joiner DDS

With over 19 years of experience in the Orange City area, Dr. Joiner prides himself on providing a gentle touch in a modern dental setting. He has studied extensively in order to stay on the forefront of modern dentistry by completing completing numerous hours of continuing education. He was awarded the Fellowship in the Academy of General Dentistry in the summer of 2017. Away from the office, Dr. Joiner enjoys spending time with his wife, Kay and twin daughters, Courtney and Tara. He is active in church and is an avid runner and triathlete.

Dr. Joiner is a graduate of the University of Iowa College of Dentistry and an active member of the Christian Dental Society, Sioux City Dental Society, Iowa Dental Association, American Dental Association, and the Academy of General Dentistry.

Dr. Matthew Zwart DDS

A graduate of Unity Christian High School and Dordt College, Dr. Zwart returned to his home area with his wife Tonia in the summer of 2012. Dr. Zwart enjoys all facets of dentistry and has been blessed to become part of such a caring, gentle, and modern dental office. When not practicing dentistry, Dr. Zwart enjoys spending time with his family, including his three children Eliana, Selah, and Theo.

Dr. Zwart is a graduate of the University of Iowa College of Dentistry and an active member of the Sioux City Dental Society, Iowa Dental Association, American Dental Association, Academy of General Dentistry and the American Academy of Implant Dentistry.

Dr. Carla Hoekstra DDS

Dr. Carla A. (Billiet) Hoekstra graduated from Sioux City North High School in 1999. She received her Bachelor of Science in Biology degree from Buena Vista University in 2003 and her Doctor of Dental Surgery degree from The University of Iowa in 2007.

Dr. Hoekstra remains an active member of the American Dental Association, Iowa Dental Association, Northwest District of the Iowa Dental Association, Sioux City Dental Society, is currently serving as Chair of the Northwest District of the Iowa Dental Board Peer Review Committee, and has also volunteered at six of the Iowa Mission of Mercy events.