About us

Cornerstone Endodontics proudly serves the Birmingham, Alabama community with compassionate care and state-of-the-art technology

Our Mission

What makes us who we are

At Cornerstone Endodontics, we are passionate about providing exceptional
endodontic care in a comfortable and compassionate environment. Our mission
is to listen attentively to our patients’ needs and concerns, and to create
personalized treatment plans that prioritize their comfort, health, and well-
being. We strive to exceed expectations by utilizing state-of-the-art technology,
staying up to date with the latest techniques such as CBCT imaging, laser
irrigation and maintaining open communication with our patients throughout
their entire treatment process.
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Above all, we are committed to fostering an atmosphere of excellence,
kindness, respect, and care, where our patients feel supported and valued every
step of the way.

Dr. John Collier, D.M.D

Dr. Collier is a native of Ozark, Alabama. He graduated from Samford University in 1991 with a B.S. in Chemistry. He then obtained his Doctorate of Dental Medicine at the University Of Alabama School Of Dentistry in 1995. Dr. Collier graduated with the Operative Award for excellence in operative dentistry and then completed his endodontic postgraduate degree at the University Of Alabama School Of Dentistry in 1997.

Dr. Collier is an active member of the American Association of Endodontics, the Southern Endodontic Study Group and the American Dental Association. He is involved in the Birmingham District Dental Society and the UA School of Dentistry Alumni Association. Dr. Collier serves as an Adjunct Professor at the University of Alabama School of Dentistry department of Endodontics. Dr. Collier enjoys spending time with his wife Julie and three children, John Jr., Katherine, and Elizabeth. He enjoys hunting, fishing, and exercising. He attends Shades Mountain Baptist.