Meet the Team
Our experienced and qualified staff are committed to providing you and your family with a positive therapeutic experience. We believe in supporting our patients through quality care and education to make healthy choices that benefit their well-being. Get to know our team below, and we look forward to meeting you soon!
Patricia J. Fast, DMD
Originally from Dillon, SC, Dr. Patricia J. Fast received her undergraduate degree in Biology from Wofford College, followed by her doctorate from the College of Dental Medicine at MUSC in Charleston. After practicing general dentistry in the Charleston area for several years, Dr. Fast was excited about the opportunity to return to the Pee Dee.
Dr. Fast treats patients of all ages using modern techniques and places great emphasis on preventive dental care and wellness. She is passionate about patient education and empowering people to make informed decisions about their treatment. She continues to expand her knowledge and practice through seminars, coursework, and study clubs.
Dr. Fast and her husband, Brian have two small children, Anna Parsons and Henry, and a not-so-small Boxer named Sadie. Outside of work, Dr. Fast is an avid runner and an active member of her church. She also loves spending time with family and friends, and expresses her creativity through painting and blogging.
- B.S. in Biology — Wofford College
- Doctor of Dental Medicine — MUSC College of Dental Medicine 2012
- American Dental Association
- Florence County Dental Association
- South Carolina Dental Association
Cassi G. Poston, R.D.H.
Prior to eagerly beginning her new hygiene career, Cassi was a Certified Pharmacy Technician for over six years. While enrolled in the hygiene program, she volunteered at Mercy Medicine Free Clinic of Florence where she was later offered a job as their Dental Coordinator. She loves forming relationships with her patients, and is passionate about equipping patients with the education and tools they need to optimize their oral health.
Cassi and her husband, David, reside in Lake City with their spoiled yorkie poo, Ali. In her spare time, she enjoys entertaining and volunteering. She is a member of the Lake City Junior Women's Club and the American Dental Hygiene Association
- A.A.S. in Dental Hygiene — Florence-Darlington Technical College 2017
- American Dental Hygiene Association
Rebecca "Becca" Morris
Becca takes care of the office for Magnolia Family Dentistry to ensure that patients receive friendly, quality care when they arrive for an appointment, and that the office correctly and efficiently manages patient billing, insurance, records, and other administrative tasks. Becca enjoys meeting new people, learning about their experiences, and logistically helping patients coordinate all aspects of treatment.
Becca is a graduate of East Clarendon High School and is married to her high school sweetheart, Keith, with two boys, Jordan and Nathan. Becca spends her free time with her family and their dogs, going shopping, and traveling the beaches visiting different lighthouses.
Sheri O’Neal Mentzel
Sheri is a committed member of the Magnolia Family Dentistry family and has practiced in the dental field for 20 years. She loves that dentistry has provided her with the opportunity to build lifelong relationships with patients and their families.
Though both of her parents are from South Carolina (Blenheim and Latta), Sheri spent much of her life in Florida where her family moved following her father’s retirement from the U.S. Army. In 2011, Sheri moved back to Florence to live with her dad who is now 85. They share a home with Sheri's two cats, Q and Angus.
Sheri has a passion for studying American and world history. She also enjoys collecting and reading books, DIY and crafting projects, and all things "Amazon.”
- Certification in Dental Laboratory Technology — Southern College 1985
- Diploma in Dental Assisting — Southern College 1991
- A.S. in Radiologic Technology — Keiser College 2005
- A.S. in Dental Hygiene — Tallahassee Community College 2011
Business Administrator / Insurance Coordinator
A Florence native and daughter of the former practice owner, Dr. Nash, Kathy works part-time primarily filing insurance claims for Magnolia Family Dentistry. She is a proud graduate of West Florence High School, and received a Bachelor's degree from Francis Marion University. One of her favorite aspects of working at the practice is the family atmosphere that has formed between the staff and their patients.
Kathy and her husband, Mike, have three wonderful children, Justin, Brianna, and Wesley, and when not at work, she enjoys horseback riding, fishing, and gardening in her backyard.
- B.S./B.A. Degree — Francis Marion University