About Us

We are committed to providing you high quality dental care in a comfortable, professional atmosphere through compassion, care and education. In Dr. Harris' office a patient is considered part of our family and partners in wellness as we understand that each patient is an individual with physical, emotional and financial requirements.

Dr. W. Lester Harris attended University of Georgia (Go Dawgs) and got his graduate dental degree from the Medical College of Georgia School of Dentistry in 1981. Dr. Harris has been proudly serving Camden counties dental needs for 34 years. He is a member of the American Dental Association, the Georgia Dental Association, and the Southeast Georgia Dental Association. Dr. Harris is continually educated in the newest innovations and latest advancements in dentistry. He and his wife, Renee, have a daughter Maggie. Dr. Harris enjoys cycling, walking and spending time with his family and friends.

Dr. W. Lester Harris

Dental Hygienists
Karen Millan - RDH OSHA Coordinator

I am a registered dental hygienist and a St. Marys native. I attended the University of Georgia before returning home to obtain my hygiene degree in 1992 from Florida State College at Jacksonville. I have worked in general and pediatric dentistry throughout my career as a dental hygienist and practice manager

I live in Jacksonville Beach, Florida. I worked with Dr. Harris from 1988 until 1997, and returned one day per week in 2011. I have an Associate of Science in Dental Hygiene and a Bachelors of Science in Dental Hygiene Education from Armstrong State University and a Bachelor of Science in Nursing from Valdosta State College. I work as both a Registered Dental Hygienist and Registered Nurse. In my spare time, I enjoy walking the beach, traveling and spending time with my family and friends.

Dora Conner, RDH, BSDH
Hygiene Assistant

I've been a dental assistant for 21 years. In 1998 I graduated from Concorde Career Institute. It's been great being part of Dr. Harris’ team for the last 13 years. I enjoy spending my free time with my family and friends.

Brandey Helman, CDA
Dental Assistants

I am a Certified Dental Assistant from Folkston, and came to work with Dr. Harris in 1988. I acquired my certification from Concorde Career Institute. My goal is to keep you comfortable while providing you with a positive dental experience. I am often referred to as the "Mother Hen" of the office because I enjoy nurturing those in my life, whether it is my family, co-workers, or my patients. You may even hear me sing a song or learn a new recipe while you're here.


I love taking part in the lives of my eight grandchildren and 5 great-grandchildren. I enjoy attending church at Mount Caremel where I am a member of the Deaconess Board.

Leitha Milton, EDA

I began my career in dentistry in Newport News, Virginia, where I attended Thomas Nelson Community College for certification and completed my internship in a multi-specialty dental office. I enjoy attending classes to continue my education and keep current on advancements in dentistry. At home, in Jacksonville, I enjoy spending time with my husband, Mark. Together we have four children who keep us busy with all of their activities. In my free time, I enjoy running, Zumba and relaxing by the pool. I am passionate about animal rights and welfare and am a member of The Beagle Freedom Project and Angels Among us Pet Rescue.

Siana Bonsiero. CDA
Office Administration

I am a Certified Dental Assistant from Atlanta. Dr. Harris hired me in September of 2018. I received my certification from United Educational Institute in December of 2016. I began working as an assistant for our hygienist Karen. My job includes working at the front desk as the Hygiene Appointment Coordinator, and Dental Assistant as needed. I love helping put smiles on patients' faces. Also I am more than happy to help the patients to the best of my abilities.


I moved to St. Marys from Atlanta in July of 2018. My husband is in the Navy and stationed here in May of 2018. In my spare time I enjoy spending time with my husband, playing video games, traveling, and spending time with our families.

Sadie Brown, CDA Hygiene Coordinator

I began working with Dr Harris in 2018. After spending 20 years as an office manager in the medical field, I switched to dental where I spent the last ten years in pediatrics. I have a vast knowledge of insurance  and I happy to go over your insurance benefits with you.


My husband Tom and I have two children. Megan is a veterinarian at the University of Georgia and Jeffrey is a vocal performance major at Reinhardt University. In my spare time I enjoy playing with our four dogs, music, theatre and crafting.

Pam Unger Insurance Specialist and Appointment Coordinator



We have a wide range of dental care options available and accept most dental insurance plans!

care credit website

2420 Osborne Road

St. Marys, GA   31558

(912) 882-3322



Copyright ©2019 Dr. W. Lester Harris DMD. All rights reserved.