Dr. Defay and assistant working with patient

About Us

Our Mission

Welcome to Defay Orthodontics, a respected provider of orthodontic care in Davis County, Utah. At Defay Orthodontics, our priority is to provide you with the highest quality orthodontic care in a friendly and comfortable environment. Dr. David Defay utilizes the latest technological advances in the industry. With this advanced care that’s personalized to your unique needs and goals, we’ll ensure you achieve the radiant smile you’ve always dreamed of! Our office is streamlined with state-of-the-art technology including digital imaging, radiography, and advanced 3D smile design software to ensure that you receive the most effective care and beautiful smile possible. For your convenience, we have two offices, located in Kaysville and Farmington.

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Dr. David K. Defay DDS, MS

Dr. David Defay knew at the age of eleven that he wanted to pursue a career in orthodontics. He saw and felt the value of providing lasting, quality smiles to others while experiencing his own orthodontic treatment. Since then, Dr. Defay has dedicated his professional and academic career to becoming one of Utah’s premier orthodontists.

Dr. Defay completed his undergraduate education at Utah State before attending the Ohio State University College of Dentistry, where he earned a Doctor of Dental Surgery degree. Following his doctorate, Dr. Defay went on to receive his specialty training at the University of Iowa Department of Orthodontics. He also completed a Master’s Thesis utilizing 3D photography to study the genetics of orofacial clefting.

Dr. Defay loves being involved in the Davis County community where he resides. He enjoys snow skiing, water sports, and cheering on the JAZZ with his wife and kids.

Meet Our Team

We know the importance of a healthy confident smile and we are here to make that happen for you! Our team at Defay Orthodontics are highly experienced professionals dedicated to providing compassionate and individualized care to each patient. When you're here with us, the members of our team will go above and beyond to make each experience a positive one. We can't wait to meet you!

Office Tour

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Community Involvement

We love Davis County! This community is integral to who we are, and our practice has proudly enjoyed contributing to our local community for decades. We have established partnerships with local schools to recognize and celebrate students and teachers, to provide oral health education, to raise money for school technology and educational opportunities, and to support athletics that provide health benefits and build self-esteem. We work with non-profit organizations to gather resources for families in need locally, and abroad. We aim to make the world around us a little better, and that makes us smile!