David Hernandez DDS and Julie Martinez DDS are a husband and wife dentist team that opened their private practice together on July 1st, 1991 and have been serving their community ever since. Our office treats patients of all ages; Dr. Martinez cares for our pediatric patients while Dr. Hernandez works with the adults.


Our office provides a calm, clean, friendly atmosphere for you and your entire family during your dental care. We provide all types of dental treatment including, but not limited to frenotomies, routine dental exams and cleanings, CBCT radiography, alginate-free impressions, deep cleanings, fillings, injection-free laser dentistry, extractions, crowns, stainless steel crowns, root canal treatments, pulpotomies, dentures, veneers, airway assessment, and more. 

Dr. Hernandez and Dr. Martinez know that the quality of care delivered to our patients is of upmost importance and that is why they take their continuing education very seriously. Our office was one of the first in the area to employ laser dentistry and digital radiography, and we strive to continue to introduce the newest and best technology into our practice for our patients. We recently added a CBCT machine into our practice as well as a Trios digital scanner. One of the newest appliances we are currently treating patients with are Vivos oral appliances. We have been learning about the importance of the airway as it relates to dentistry and ​the negative effects that Obstructive Sleep Apnea can cause. We are looking forward to helping patients of all ages with this condition.


We have recently introduced our daughter Catherine Walker DDS to the family practice, and we hope you will also join our family for your loved one's dental care. 





Years of Combined Experience



Dr. Julie Martinez

Pediatric Dentist

Dr. Julie A. Martinez graduated from the University of St. Thomas with a BA in Biology in 1984. She received her DDS from University of Texas Dental Branch in Houston in 1988. She completed a Pediatric Residency program at James Whitcomb Riley Hospital for Children at IUPUI in Indianapolis Indiana in 1990. She is a United Cerebral Palsy Foundation Fellow as of 1991 at IUPUI and had clinical and didactic teaching responsibilities including IUSD undergraduate dental students and Ball State speech pathology students. She was a clinical assistant professor at UTDB Houston from 1991 to 1995. She has worked in private practice with her husband Dr. David Hernandez  since 1991. She is a Diplomate of the American Board of Pediatric Dentistry. She and her husband, Dr. Hernandez, reside in The Woodlands, Texas and they have three children.

Dr. David Hernandez

General Dentist

Dr. David Hernandez is native Houstonian and a proud ninth generation Texan. He attended and graduated from the University of St. Thomas in December of 1981 with a Bachelor of Science degree in Biology. He completed his doctorate at University of Texas Dental Branch Houston in 1988. He lived in Indianapolis from 1988 to 1991 and worked in private practice. He was a clinical researcher at the Oral Health Research Institute under the direction of Dr. George Stookey and Dr. Brad Beiswanger where he developed a plaque pH instrument for clinical real time measurements. He is a co-author of Effect of chewing gums on Plaque pH after a Sucrose Challenge. He has been in private practice with his wife Dr. Julie Ann Martinez since 1991 and is mentoring his two sons Daniel Hernandez DDS and Jonathan Hernandez DDS who are practicing dentists in the Midland and Corpus Christi areas, respectively. 

Dr. Catherine Walker

General Dentist

Dr. Catherine Walker is the daughter of Dr. Julie Martinez and Dr. David Hernandez. She received a Bachelor of Science degree in Biology from Texas A&M University in December of 2013. WHOOP! During her time at Texas A&M, she completed the Undergraduate Research Scholar program, and is a published co-author in a peer-reviewed research paper: IFT57 stabilizes assembled intraflagellar transport complex and mediates transport of motility-related flagellar cargo. She attended the University of Texas Health Science Center San Antonio Dental School and graduated in May of 2018 with research and teaching honors distinctions. She, her husband, and their beautiful baby boy Anthony reside in Magnolia, Texas.


"Dr. Martinez is brilliant! She took care of my 4 week old’s lip and tongue tie revision. Dr. Martinez is incredibly approachable and knowledgeable. The thought of the procedure gave me anxiety but Dr. Martinez and her staff put me at ease. I’m so thankful that my little one is nursing beautifully now. Thank you for all of your patient education and sincerity!"

"Our 8 year old son, who is special needs, has been terrified of the dentist since he was a toddler. He has gone to several pediatric dentists that he just never felt comfortable or calm with. When we found out he would need a dental procedure done, our sons teacher recommended dr Martinez, and we are so glad she did! Dr Martinez and her staff were so knowledgeable, caring, and my son was completely calm for the first time ever during a dentist visit/ procedure. We had such a great experience and I would highly recommend this practice!"

"Dr. Julie is wonderful! She sees all of my children and was amazingly helpful when 2 of my children needed emergency dentistry. One occasion was a Saturday night! She immediately met us at her office and fixed my little man up. She has a vast amount of knowledge and skill! We all love her!"

Jessica Dunnigan





Our Address

9006 Forest Crossing Dr. Suite A

The Woodlands, TX 77381

Tel: (281) 367-6558


Monday – Friday  8:00AM-3:00PM

Saturday & Sunday    Closed

After hours reserved for dental emergencies

for patients of record

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