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Our Doctors

Steve Fuson, DDS, MS

Dr. Fuson is a Board Certified Pediatric Dentist with over 25 years experience. He is a Memphian. He graduated from S.B.E.C. and attended Millsaps College in Jackson, MS. Dr. Fuson graduated from U.T. College of Dentistry, where he also completed his pediatric dental residency. He began private practice in 1992 when he joined Pediatric Dental Group. Dr. Fuson has held leadership positions in the Memphis Dental Society, Tennessee Dental Association, The Southeastern Society of Pediatric Dentistry and the American Academy of Pediatric Dentistry. Dr. Fuson is a Diplomate of the American Board of Pediatric Dentistry.

On a personal note, Dr. Fuson is married to the former Tricee Dargie and has 4 children – Hannah, Lydia, Jackson, and Garrett. He is an active member of Independent Presbyterian Church where he has served as an Elder. His hobbies include outdoor activities, like hunting, fishing and golf, as well as traveling with his wife and family. Since 1997, Dr. Fuson has made several trips to Ukraine to perform dentistry on Ukrainian orphans.

John A. Acosta, DDS

Dr. Acosta is a Board Certified Pediatric Dentist with over 18 years experience. He attended the University of Tennessee, Martin and holds an undergraduate degree from the University of Memphis. He also graduated dental school from the U.T. College of Dentistry. He completed his pediatric residency there as well.

Dr. Acosta is a member of the American Dental Association, the Tennessee Dental Society and has held leadership positions in the Memphis Dental Society. He is also a member of the American Academy of Pediatric Dentistry, Southeastern Society of Pediatric Dentistry and The Tennessee Society of Pediatric Dentistry.

Dr. Acosta is married to the former Terry Davis. They have two children, Hunter & Corey and are active members of St. Louis Church in Memphis.

Clayton Floriani, DDS

Dr. Floriani received his undergraduate degree from the University of Arkansas, Fayetteville and graduated from the University of Tennessee Dental School, Memphis. He married a native Memphian, Heather Kelly, and they have two girls, Mia and Edie.

Dr. Floriani is a Family Dentist who limits his practice with us by just seeing children and young adults. He performs routine dental care for kids, but also, because of his Family Dentistry background, he is able to provide services like root canal treatments, permanent porcelain (white) crowns on posterior teeth and cosmetic ceramic crowns on the anterior teeth, which most pediatric offices do not offer.

Dr. Floriani and his family are members of First Evangelical Church.

Todd Smith, DDS

Dr. Todd Smith is a Board Certified Pediatric Dentist with over 5 years of both teaching and practicing pediatric dentistry. He is a proud graduate of the University of Arkansas at Pine Bluff where he received his Bachelors of Science in Biology. Todd was then accepted into the University of Tennessee College of Dentistry and completed his training in 2007. During his time in dental school, Dr. Smith received numerous honors for both academic and clinical accomplishments. Following dental school he became a full time faculty member at the college of dentistry because of his passion for teaching students. Todd then went on to complete a pediatric dentistry residency in 2010.

On a personal note, Dr. Smith is an active outdoorsman who loves to ride bikes and to fish. He stays very active in his community organizing health fairs and community outreach on a monthly basis. Dr. Smith is also very active in organized dentistry, being a member of ADA, TDA, AAPD, NDA, and the SCDA.

Nathaniel Denson, DDS, MDS

Dr. Denson is a second generation dentist and native Arkansan, and former graduate of the University of Arkansas (Woo Pig!). After receiving his dental degree at the University of Tennessee, Dr. Denson worked for 3 years as a general dentist in Arkansas and North Mississippi. Upon realizing his love of working with children, he returned to UT to complete his Masters training in pediatrics. His goal is to provide children across the Mid-South with a fun dental experience that encourages oral health and the prevention of cavities.

Dr. Denson lives in Memphis with his wife, Brooke, and beagle, Bosco. They are active members of Fellowship Memphis Church. They enjoy traveling, cheering on the Grizz, and frequenting many of the great Memphis-area restaurants.

Adam Fitzhugh, DDS

Born and raised in Memphis, Dr. Adam Fitzhugh is one of PDG's family dentists. He attended Christian Brothers High School & graduated from Middle Tennessee State University in 2010 with a Bachelors of Science in Biochemistry. Dr. Fitzhugh continued his studies at the University of Tennessee Health Science Center, where he obtained his Doctorate of Dental Surgery in 2014. His wife, Kayla, is a registered nurse. Dr. Fitzhugh and Kayla enjoy spending time together at Shelby Farms with their dogs. He also enjoys building and flying remote control airplanes. They are both members at Hope Presbytarian Church.

Dr. Fitzhugh is a member of the American Dental Association, Tennessee Dental Association, Memphis Dental Society. His decision to practice dentistry is based on a passion to work one-on-one with individuals & boost his patient's quality of live. Dr. Fitzhugh has volunteered with the Bellevue Baptist Mobile Dental Clinic, Give Kids A Smile and seeks to continue his volunteer service around the local community.

Bob Lorentz, DDS, MS

Dr. Lorentz is a member of the American Association of Orthodontists and a Diplomat of the American Board of Orthodontics. He has served as president of the Mississippi Orthodontic Association, president of Mississippi's District I Dental Society and has been certified by the state board for 24 consecutive years of continuing education. He has also been listed in Who's Who in America and Who's Who in Dentistry.

Dr. Lorentz makes orthodontics a priority in his life and strives to provide the highest quality of care for his patients while making them feel comfortable and cared for.

Gregg Bouldien, DDS, MS

After attending Whitehaven Elementary School, Germantown Middle School and graduating from Evangelical Christian School, Dr. Gregg Bouldien graduated from Baylor University with a Bachelor of Arts degree in 1983. While at Baylor, Dr. Bouldien served as Student Body President (1981-1982) and in Student Foundation as a Baylor Recruiter (1982-1983). At Baylor, he also met his wife to be, Marcella Saucedo Bouldien (Baylor, '85) and they were married in beautiful El Paso, Tx in December of 1985. They have 4 sons and 1 daughter.

After Baylor, Dr. Bouldien attended dental school at the University of Tennessee (Memphis) where he was a member of the Richard Doggett Dean and Marguerite Taylor Dean Honorary Society. In 1988, he graduated with a Doctor of Dental Surgery (DDS) degree followed by a Master of Science in Orthodontics (MS) degree in 1990. For 25 years, Dr. Bouldien has been practicing as an Orthodontic Specialist in Collierville and Germantown and is currently enjoying treating the children of some of his original patients. In his free time, he enjoys hunting and fishing and doing chores for his wife.

Taylor Collazo, DDS, MSD

Dr. Collazo’s vision is to serve and love people by providing the highest level of orthodontic treatment with personalized care. His heart is set on cultivating joy and confidence in his patients by creating amazing smiles and forming friendships.

Dr. Collazo is a Board Certified Orthodontist, an elite status attained by less than 30% of orthodontic specialists. He attended the University of Arkansas, where he received his undergraduate degree in Medical Science. He then earned his Doctorate of Dental Surgery (DDS) from the University of Tennessee College of Dentistry, where he graduated #1 in his class, and was elected to be a Hinman Dental Scholar. Dr. Collazo was also the recipient of the prestigious OKU Kramer Award, granted to the top student. After dental school, he completed his orthodontic residency at one of the top programs in the country, the University of Texas in Houston. During residency he obtained specialized training in growth and development, and received a Masters of Science in Dentistry (MSD) and Certificate in Orthodontics.

Dr. Collazo is married to Maeve, a dental hygienist, and they have one beautiful daughter, Luella, and a golden retriever named Memphis. Dr. Collazo is a big sports and outdoor enthusiast and enjoys tennis, biking, and hiking. He is also passionate about serving on international dental mission trips. The Collazo family is active in their church and love doing life with their local community.


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