302 North 3rd Street, Mabank, TX 75147

"Hometown favorite since 1979"

Meet The Doctors

We at Mabank Dental strive to provide the best comprehensive compassionate care available.

Clayton Gautreaux, DDS

Dr. Clayton Gautreaux is a graduate of Texas Tech University and received his doctorate in Dental Surgery from Baylor College of Dentistry in 1979. That same year, he moved to Mabank and established his practice, Mabank Dental and Orthodontics, where he provides the latest advancements in dentistry and utilizes state of the art technology to provide his patients with the utmost in care and comfort.

Over the years, Dr. Gautreaux has been very active in the community and has participated in the Chamber of Commerce, Rotary Club, PTA and coached Little League sports. He has served in Tejas Missions, a Christian organization serving the dental and medical needs in Central America. He served on the board of directors at Texas Health Resources, Presbyterian Hospital of Kaufman from 2008 – 2018.

Clayton is married to Lori and they have three grown children and three grandchildren. He enjoys fishing, traveling and is an avid golfer.

Freddie Faucheu, DDS

Dr. Frederique Faucheu attended the University of Dallas where she earned a degree in biology. She attended Nova Southeastern University where she earned a Doctorate of Dental Medicine and met her husband Dr. Graves.

Dr. Faucheu was born and raised in France and came to the US when she was 18.

She is a standing member of the American Dental Association and Texas Dental Association.

“My favorite part about being a dentist is seeing my patients smile with confidence!”

– Freddie Faucheu

Samuel Ellsworth, DDS, MS


Dr. Sam Ellsworth joined the United States Navy in 1992 after graduating from High School. He received his Bachelor of Science degree from the University of Texas in 1998, while simultaneously serving in the Navy. After leaving Austin, Dr. Ellsworth was stationed in Pensacola, Florida and Corpus Christi, Texas while attending Naval Flight School where he flew the T-34. Stationed aboard the supercarrier USS George Washington. Dr. Ellsworth was involved in our country’s post-9/11 efforts off the coast of New York.

Dr. Ellsworth discovered his passion for dentistry while serving in the Navy. Upon discharge from the Navy, he attended the University of Houston and taught biology while awaiting entrance to dental school. In 2006, Dr. Ellsworth began his dental education at Baylor College of Dentistry. After graduating, he began advanced training in Periodontics and completed a three-year residency also at Baylor. Dr. Ellsworth is Certified by the American Board of Periodontology.

When Dr. Ellsworth is not at his office, he spends as much time as possible with his wife Virginia as well as Ryan, Lily, and Grace, his 3 children. He teaches Sunday school and is involved in missions at Highland Park United Methodist Church. He has been involved in dental mission work such as The Texas Mission of Mercy and others for more than 9 years. He enjoys camping, hiking, bicycling, canoeing, scuba diving, reading, and traveling.

Quinton D. Slaughter, DDS

Dr. Quinton D. Slaughter was born and raised in Memphis, TN. He received his Bachelor of Science degree in Biomedical Sciences from Auburn University in Auburn, AL. Following, he attended Meharry Medical College School of Dentistry in Nashville where he received his Doctor of Dental Surgery.

While in dental school, Dr. Slaughter found his passion for surgery through several different internship and shadowing opportunities. This led him to continue his education at Texas Tech University School of Medicine where he specialized in Oral and Maxillofacial Surgery. He graduated from Texas Tech in 2014 with his Doctor of Medicine degree. He then completed his internship in general surgery at Baylor University Medical Center in 2015. His training ended with a certificate in Oral and Maxillofacial Surgery at Texas A&M University Baylor College of Dentistry.

Dr. Slaughter specializes in wisdom teeth removal, implants, bone grafting reconstruction, oral pathology, and trauma surgery as well as orthognathic and TMJ surgery.

Outside of the office, Dr. Slaughter enjoys traveling to new places, biking, and spending time with his friends and family.

Dr. Slaughter is registered with the American Dental Association, American Medical Association, and American Association of Oral & Maxillofacial Surgeons.

Dr. Mario Valdes, DDS


Dr. Valdes went to Dental School in Mexico City. He graduated in 1984 at the University Tecnologica de Mexico. He practiced general dentistry for 3 years and then started teaching at the dental school.
In 1987, Dr. Valdes attended Louisiana State University for his orthodontic training. After finishing up at LSU in 1989, he opened up his practice in Chihuahua City, Mexico. He is certified by the American Board of Orthodontics.
He has lectured in South America as well as the United States. He belongs to the LSU alumni association, the AAO, and the College of Diplomats of the ABO. He is married and has two children that are in college.
He belongs to the LSU alumni association, the AAO, and the College of Diplomats of the ABO. He has been married for almost 30 years to his wife Margot, who he met in New Orleans while he was in dental school and she was a flight attendant for Delta Airlines.
They have two grown children who live in Dallas and Austin.

Dentistry For Children

Daniel Donohue, DDS

Pediatric Specialist

Dr. Daniel Donohue was born and raised in El Paso, Texas. He graduated from the university of Texas at El Paso with a Bachelor of Science in Biology. He continued his education at the University of Texas Health and Science Center in San Antonio, Texas. He received his Doctor of Dental Surgery in 1986 and practiced as a general dentist until 1989. He then entered a postdoctoral pediatric dentistry program and received his certificate in Pediatric Dentistry in 1991.

Dr. Donohue is a member of the American Dental Association, American Academy of Pediatric Dentistry, Texas Dental Association, Texas Academy of Pediatric Dentistry, Southwestern Society of Pediatric Dentistry and the Fort Worth Dental Society.

Dr. Donohue joined Mabank Dental in 2010, offering full-service dentistry for children. He believes in treating every child as if they were his own and partners with parents to provide a compassionate and positive experience.

Daniel’s wife, Marla, is also a dentist and they have two children.

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