About the Doctors

Dr. J. Lamar Johnston, D.D.S.

Dr. Jerry Lamar Johnston, DDS is a lifelong resident of Ruston Louisiana. He graduated Cedar Creek High School in 1975 and attended undergraduate studies at Louisiana Tech University. Following in his father’s footsteps, Dr. Johnston found his passion for dentistry. He furthered his education at Louisiana State University Dental School, where he obtained his Doctor of Dental Surgery (DDS). In 1983 he joined his father, Dr. Jerry Cecil Johnston, and together they made Johnston Dental Care the family practice it is today. Carrying on his father’s legacy, Dr. J. Lamar Johnston’s mission is to provide the best dentistry with exceptional service.

Dr. Johnston is committed to using the latest technologies and continuing in the most recent dental advancements. He regularly attends training courses at Scottsdale Center for Dentistry and has perfected his technique in Invisalign training as well as Six Month Smiles to straighten teeth. Dr. Johnston is a current member of Sunrise Dental Solutions, where he finished extensive training in Implant Dentistry. Placing and restoring implants has become one of Dr. Johnston’s most refined skills and a favorite service to offer his patients because of the significant advantages they provide. Dr. Johnston is dedicated to always listening to his patients and providing every option available.

Dr. Johnston is a member of the following professional organizations:

  • American Dental Association
  • Louisiana Dental Association
  • Northeast Louisiana Dental Association
  • Academy of General Dentistry
  • Academy of Laser Dentistry
  • Dental Organization for Conscious Sedation (DOCS)

Dr. Johnston and his wife, Tami, have been married since 1985 and have one son and one daughter: Jerry and Holly Taylor. In his spare time, he enjoys playing golf, running, reading, and spending time with his family.

Dr. Shawn David Murphy Jr., D.D.S.

Dr. David Murphy is a Quitman, Louisiana native and graduate of Cedar Creek High School in 2012. He then attended Louisiana State University in Baton Rouge where he obtained his Bachelor of Science in Biology in December of 2015. Dr. Murphy graduated from Louisiana State University School of Dentistry with his Doctor of Dental Surgery degree in May of 2020. He and his wife Sidney, a dental hygienist at Johnston Dental Care, are very excited about the opportunity to return home to serve the North Louisiana communities.

In his free time, Dr. Murphy enjoys spending time with family and friends, hunting, fishing, cooking, and working with his dogs, Benelli and Remi. Dr. Murphy is a member of the Louisiana Dental Association, American Dental Association, and Academy of General Dentistry. He is eager to provide patients with an excellent and unique oral health care experience.

Call us at 318-255-6780 or fill out the Contact Form to schedule an appointment. Our office is open Monday through Thursday from 8am to 5pm and Friday 8am to 12pm.

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