We are pleased to introduce you to our exceptional team of Doctors at FLOSS Dental, where you will find an unmatched professionalism paired with a commitment to make your experience the best it can be.

Dr. Clark Steffens DDS | Dentist
Dr. Clark Steffens is a graduate of Baylor University in Waco, Texas, where he earned his Bachelor of Science in Biology. He then went on to receive his Doctor of Dental Surgery degree from Baylor College of Dentistry in Dallas, Texas. During dental school, Dr. Steffens was an active participant in the national dental fraternity, Xi Psi Phi, which provided him with the opportunity to meet the dental needs of many underserved patients right here in Dallas through multiple outreach programs.
Dr. Steffens is a constant student of dentistry and enjoys learning about the newest techniques and technology in the field. He is Invisalign certified and enjoys all areas of cosmetic dentistry including crown and bridge restorations, implant dentistry, and porcelain veneers. He loves the way his patients glow after they see the beautiful results of a smile makeover. “A beautiful smile can change a person’s whole outlook,” says Dr. Steffens, “and everyone deserves to smile with confidence.”
Being a member of the American Dental Association and the Dallas County Dental Society allows Dr. Steffens to stay active in the dental community. Through this network of colleagues, Dr. Steffens is able to stay abreast of the latest methods being used in dentistry as well as participate in continuing education programs, volunteer opportunities, and mission trips to other countries.
When he’s not thinking about teeth, Clark loves to play with his dog, catch a ballgame on television, and practice his favorite hobby, cooking. When his time as a dentist is over, he hopes to open a small, hole-in-the-wall restaurant where he can continue serving people in a new way.
Bachelor of Science | Baylor University
Doctor of Dental Surgery | Baylor College of Dentistry

Dr. Joe Ayitey-Adjin DMD| Dentist
Dr. Joseph Ayitey-Adjin, better known as “Dr. Joe”, was born in Ghana, Africa. A few years later he moved to Dallas, TX where he was raised with his younger brother and sister. Growing up, Dr. Joe was able to observe first hand the disparities in dental care between the Unites States and other parts of world. His unique background is what launched him toward a career in the service of others.
He attended Texas A&M University, College Station where he graduated with a Bachelor of Science in Biomedical Science. While in college he was involved in numerous Predental organizations and volunteered his services at local dental clinics. He then earned his Doctorate of Dental Medicine at Boston University Goldman School of Dental Medicine.
Dr. Joe has never lost site of his passion for serving others. Since attending dental school, he has been able to serve his community by providing free dental services for those in underserved areas. The highlight of his service was returning to Ghana to provide free dental care to those unable to afford dental care.
He stays active in the dental community through his affiliations with the American Dental Association, the Texas Dental Association, and the Dallas County Dental Society. He is dedicated to the newest advancements in cosmetic dentistry and keeps up-to-date with the latest technologies.
In their spare time, Dr. Joe and his lovely wife, Anthonette enjoy spending time together with family and friends, traveling and attending church. On the weekends you might find them playing with their two dogs Max and Halo at your local park.
Bachelor of Science in Biomedical Science | Texas A& M University
Doctor of Dental Medicine | Boston University Goldman School of Dental Medicine

Dr. Amy Hefton DDS | Dentist
Dr. Amy Hefton graduated Magna Cum Laude from the University of Oklahoma Honors College with a Bachelor of Science in Biology, and received her Doctor of Dental Surgery degree from Baylor College of Dentistry in Dallas.
Dr. Hefton has been recognized with a number of honors and awards throughout her dental career including the Southwest Prosthodontic Society Outstanding Achievement in Prosthodontics and the American College of Prosthodontists Outstanding Achievement Award.
With a heart for serving others, Dr. Hefton has given back to others both locally and internationally. She has traveled to Matamoros, Mexico where she provided dental care to underprivileged children in orphanages. She is involved in the Serving HIM ministries, a healthcare international ministry in which she has provided dental care to those less fortunate in Braila, Romania and surrounding towns and villages. She has also volunteered her abilities to serve at Watermark’s GLOW, a day of beauty and encouragement for the women of Nexus Recovery Center, a substance abuse treatment center in Dallas.
Dr. Hefton is involved in many professional organizations, including the Dallas County Dental Society, the Texas Dental Association, the American Dental Association, the Academy of General Dentistry and the American Academy of Cosmetic Dentistry. She recently spoke on a panel at the annual American Academy of Cosmetic Dentistry held in April 2010.
As an accomplished dentist, Dr. Hefton is highly skilled in the cosmetic side of dentistry from single veneer restorations to full mouth restorative cases. She has both Invisalign I and Invisalign II certification, and most recently was invited to attend the Invisalign Summit in May 2009. She currently is involved in Invisalign Study clubs, where she works with fellow colleagues discussing cases and the most up to date strategies. Dr. Hefton also has certification in both placing and restoring implants, and she uses both the Nobel Biocare and MIS implant systems.
Dr. Hefton has been part of the Floss family from the beginning, when she started working with Dr. Clint Herzog at Herzog Dentistry in the Quandrangle office building located in Dallas’s Uptown area. After managing that office for over two years, she moved to start up the Floss location at Lovers Lane and the Tollway. As the Senior Associate at FLOSS, Dr Hefton plays an important part in training other associates and staff members.
Aside from dentistry, Dr. Hefton enjoys spending time with her husband and friends. She is a member at Watermark Community Church, is on Young Life Committee, and is also a part of the Junior League of Dallas, where she currently volunteers at Children’s Hospital.
Bachelor of Science | University of Oklahoma
Doctor of Dental Surgery | Baylor College of Dentistry

Dr. Jenny Gandhi DMD | Dentist
Dr. Jenny Gandhi graduated from the University of Georgia in Athens, Georgia where she earned her Bachelor of Science in Biology. She then went on to receive her Doctor of Medical Dentistry degree from Nova Southeastern University in Fort Lauderdale, Florida.
Dr. Gandhi was active in Give Kids a Smile and the national fraternity Psi Omega, which has allowed her to participate in many community programs. She is also involved in many dental organizations, including the American Dental Association, the Texas Dental Association, and the Academy of General Dentistry. With the love to serve others, Dr. Jenny continues to give to the community. She has travelled to both Jamaica and India to provide dental care to those less fortunate. This service to patients and the trust they have in her is what drives Dr. Jenny every day.
Dr. Gandhi is constantly striving to learn about the newest trends in dentistry through continuing education. She is Invisalign certified and loves all facets of dentistry, with a special interest in cosmetics. In her spare time, Dr. Jenny enjoys running, yoga, traveling and spending time with her fiancé, friends, and family.
Bachelor of Science | University of Georgia
Doctor of Medical Dentistry | Nova Southeastern University

Dr. Chin May Dave DDS
Dr. Chinmay Davé received his degree in Biomedical Sciences from Texas A&M University in 1998. He then earned his doctorate degree from Baylor College of Dentistry in 2002. Dr. Davé is continually improving his practice with the newest techniques and products to bring you state-of-the-art, personalized dental care in a warm, caring environment. He keeps up-to-date with the latest advances and techniques with continuing education courses. His loyal patients refer their friends and families to his care, and he has taken up a variety of leadership positions in dental organizations and in his community.
In his spare time, Dr. Davé enjoys playing tennis, watching movies, and spending time with his 3 boys!
Biomedical Sciences | Texas A&M 1998
Doctor of Dental Surgery | Baylor College of Dentistry 2002

Dr Justin Crockett DDS | Dentist
Dr. Justin Crockett grew up in the Conroe area and graduated from Texas A&M with a degree in Biomedical Science in 2004. He then went on to receive his Doctor of Dental Surgery Degree in 2009 from the University of Texas Dental Branch in Houston, Texas. While in college Dr. Crockett had the opportunity to do a mission trip with Savior Sons in Guatemala and he looks forward to serving again soon.
Dr. Crockett is currently a member of the Academy of General Dentistry, the American Dental Association, the Texas Dental Association and the Greater Houston Dental Society. He has been with Floss Dental since graduation.
Aside from dentistry Dr. Crockett loves the outdoors. He is an avid hunter, and has enjoyed hunting great game with his dad in New Zealand and Africa. His weekends are filled with spending time with family and friends. He has three nephews and two nieces that adore Uncle Justin.
Biomedical Science | Texas A&M
Doctor of Dental Surgery | University of Texas Dental Branch, 2009

Dr. Dianna Wilde DDS | Dentist
Dr. Dianna Wilde, more often referred to as “Dr. D”, was raised in Plano, Texas and graduated from Plano Senior High. She attended the University of Texas at Dallas for undergraduate studies and majored in biology. From the second grade she knew she wanted to be a dentist. “As a child that spent a lot of time in braces, I have always been interested in dentistry.” Dr. D earned her Doctorate of Dental Surgery from The University of Texas Health Science Center at San Antonio. She began working for Dr. Clint Herzog at FLOSS Dental in Uptown Dallas before opening the first Houston FLOSS Dental location. She is a member of American Dental Association, Texas Dental Association, Texas Association of Women Dentist and Greater Houston Dental Society. When she is not practicing dentistry, Dr. D is spending time with her family, traveling, and dining at Houston’s wide range of restaurants, some favorites include Vic and Anthony’s and Dolce Vita.
University of Texas at Dallas
Doctorate of Dental Surgery | University of Texas Health Science Center

Dr Andres Villasenor, DDS | Dentist
Dr. Andres Villasenor is originally from San Antonio, Texas. He graduated from Tulane University in New Orleans with a Bachelor of Science in Cell and Molecular Biology. He earned his Doctorate of Dental Science degree from the The University of Texas Dental Branch at Houston. Dr. Villasenor takes pride in providing comfortable and the most up-to date general and cosmetic dentistry.
In his spare time, Dr. Villasenor enjoys traveling, working out, trying new restaurants, and spending time with his wife, Erin, new baby boy Joaquin, and their Boston Terrier, Tex.
Bachelor of Science | Tulane University
Doctorate of Dental Science | University of Texas, Houston

Dr. Justin Ramsey DDS| Dentist
Dr. Justin Ramsey is a native Houstonian although he spent the better part of his high school years in Atlanta, GA. Asany true Texan would, he quickly returned to the lone star state and attended Texas Christian University in Fort Worth for his undergraduate studies. He then pursued his Doctorate of Dental Surgery at the University of Texas Dental Branch in Houston.
It was during a medical mission trip to Guatemala that Dr. Ramsey first discovered his passion for dentistry and his desire for serving people. Since then he has taken part in many other missions opportunities and hopes to one day start a non-profit organization that sends teams of dentists to various underserved countries throughout the world.
He stays active in the dental community through his affiliations with the American Dental Association, the Texas Dental Association, and the Greater Houston Dental Society. He also has a special interest in helping patients that suffer from jaw pain and TMJ disorders.
Dr. Ramsey and his wife Kelley are members at Houston’s First Baptist Church and have also been involved with Young Life Ministries for many years. On the weekends you can usually catch them in the stands cheering at one of his brothers’ baseball games, or at the park playing frisbee with their black labrador, Jade.
Bachelor of Arts | Texas Christian University
Doctor of Dental Surgery | University of Texas Dental Branch

Dr. Andres Vilasenor DDS|Dentist

Dr Brent Fossum DDS| Dentist
Dr. Brent Fossum is a graduate of Texas Tech University in Lubbock, Texas where he earned his Bachelor of Science in Biology. He later earned his Doctor of Dental Surgery from the University of Texas Dental Branch in Houston, Texas. He was born in Rapid City, South Dakota and has also lived in Albuquerque, New Mexico then moved to Texas permanently in 2000. Dr. Fossum has three older brothers that practice dentistry in Texas and he claims that dentistry came naturally because it “runs in the blood.” Dr. Fossum is currently a member of the American Dental Association, Texas Dental Association and the Greater Houston Dental Society. In dental school, Dr. Fossum was an active member of the Psi Omega dental fraternity.
Dr. Fossum is an active participant in continuing education courses and wants to obtain the latest and greatest knowledge and techniques in dentistry. Through his dedication to his patients, Dr. Fossum wants to go above and beyond to give people the best dental experience that they could possibly encounter in the dental field. He enjoys all aspects of dentistry but is especially interested in cosmetics because of the reward people get by having that “Hollywood” smile that changes their confidence and their lives.
Outside of the dental world, Dr. Fossum likes to play in softball leagues around the city, go mountain biking, play with his German Shepherd, cook out on the grill, go to movies, watch baseball games and hang out with family and friends.
Bachelor of Science | Texas Tech University
Doctor of Dental Surgery | University of Texas Dental Branch

Dr. Spencer Hoyt DDS | Dentist
At five years old Spencer and his family moved from Manila Philippines to a small town in Northern California called Stockton. Growing up he became involved in the family pastimes of Tae Kwon Do and boxing. He went to win numerous Tae Kwon Do competitions including three state championships and silver at the United States Nationals.
Spencer did his undergraduate training at University of the Pacific and obtained a dual degree in Chemistry-Biology. Where in his free time he taught Organic Chemistry and led study sessions in various topics. In search for a new passion; volunteering at the free clinic in Stockton, Ca sparked his desire to help people through Dentistry.
Spencer continued his education at University of the Pacific School of Dentistry to obtain a DDS degree. In school Spencer became active in community outreach to promote dental health through wellness fairs. Also continuing his passion for helping those in need both locally through free clinics for underserved and abroad through dental missions in South America. After dental school Spencer continued for one additional year of training, attending Advanced Education in Dentistry residency. Where he focused on Dental Implants, cosmetics and surgery.
Spencer is a member of the American Dental Association, California Dental Association, and Dallas Dental Study Club. Spencer is Invisalign certified and stays at the cutting edge of new technology for Invisalign and Dental Implants. “I believe it is a disservice to my patients if I am not actively engaged in learning and improving on a daily basis. To not be at the forefront of advancements in dental technology is to far behind.” When not in the office he has study groups where he mentors Dentists in Dental Implants and surgery. “My favorite part of my profession, is the relationships I build with my patients. It brings me great joy to give people an experience that will change their perception of the dentist for the rest of their life.”
When not working, Spencer can be found tossing baseballs at the park for his seven year old daughter Chloe, or attending one of her school functions. “My daughter is my greatest accomplishment, the only way I can live up to this is be highly motivating and involved in every part of her life.”
“My work is my play, and I very much love what I do…. Making people smile.”
Bachelor of Science | University of the Pacific
Doctor of Dental Surgery | University of the Pacific

Dr. Mary Courtin DDS| Dentist
Dr. Mary Courtin is a graduate of the University of the Pacific, where she earned her Bachelor of Science in Biology. She then went on to receive her Doctorate of Dental Surgery degree from the University of the Pacific in San Francisco, California.
Dr. Courtin is a member of Reachout Healthcare America and volunteers her time to the National Guard. Her affiliations include the American Dental Association, Texas Dental Association, and Dallas County Dental Society. She currently resides in Rockwall, TX with her husband, son Brayden (born Feb ’11) and four golden retrievers.
Bachelor of Science in Biology | University of the Pacific
Doctor of Dental Surgery | University of the Pacific

Dr. Clint Herzog | Owner
Dr. Clint Herzog grew up in south Texas, graduated from Texas A&M in ’96 and was top-ranked at UT San Antonio Health Science Center in 2000.
After running one of the most successful and well-respected cosmetic dental practices in Dallas, he created the concept of FLOSS, a high tech practice providing the full range of dental services, including cosmetic dentistry, at an in-network price. He has fused his small town upbringing with the latest in the dental profession to create a “New experience in dentistry.”
He has served on the Dallas police review board, is involved with DASA (Dallas All Sports Association) and was an honorary chair for DIFFA (Design Industries Foundation Fighting Aids) Dallas. He enjoys traveling and hanging with his friends at the lake. He is extremely involved in many areas of the Dallas social and charitable scene. Clint is also very proud of his adorable daughter Parker, 4 years, and son Hudson, 8 months.
Bachelor of Science | Texas A&M University, 1996
Doctorate in Dentistry | UT San Antonio, 2000
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