Mission Statement

At Periodontics and Implant Dentistry, we’re proud to have established an outstanding reputation for:

  • Providing patients with the highest quality of care
  • Emphasizing the values of ethics, honesty and professionalism
  • Offering patients optimum health, function, comfort and appearance

Using the most advanced technology and the least invasive therapy available.

Meet the Dentists

Dr. Brandon SehlkeDr. John Parsons

Dr. Brandon Sehlke

Meet Dr. Brandon Sehlke, San Antonio Periodontist

Brandon Sehlke, D.D.S., M.S. is a South Texas native and received his bachelor of science degree from Texas Lutheran University. He then graduated as Valedictorian from the University of Texas Health Science Center San Antonio Dental School, receiving his Doctorate of Dental Surgery, followed by specialty training in Periodontics.

Dr. Sehlke was the recipient of multiple honors while attending UTHSCSA including an Award for Excellence in Clinical Dentistry, Clinical Award for Excellence in Removable Prosthodontics, A.A.P. Dental Student Award for Achievement in Periodontology, and was inducted into Omicron Kappa Upsilon –– the National Dental Honor Fraternity. Dr. Sehlke was also selected as one of the country's three finalists for the prestigious Dr. and Mrs. Gerald M. Kramer Scholarship for Excellence Award sponsored by the American Academy of Periodontology Foundation.

His professional memberships include: American Academy of Periodontology, Southwest Society of Periodontists, Texas Society of Periodontists, American Dental Association, Texas Dental Association, and the San Antonio District Dental Society.

Dr. Sehlke and his wife, Jennifer, have triplets and reside in the San Antonio area.

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Dr John Parsons

Meet Dr. John Parsons, San Antonio Periodontist

John Parsons, D.D.S., M.S.D. was born and raised in San Antonio, TX. He has practiced Periodontics and Dental Implantology in San Antonio since 1975.

Dr. Parsons attended the University of Texas at Austin, Baylor College of Dentistry, and did his specialty training at the Indiana University/Purdue University Medical Center in Indianapolis. He has served on the faculty of Baylor University, Indiana University and University of Texas Dental Schools. He was also Chief of Periodontics at Noble Army Hospital.

He has represented San Antonio as delegate to the Texas Dental Association and American Dental Association, has served as president of the San Antonio District Dental Society, and was a specialty advisor to the Texas State Board of Dental Examiners.

Dr. Parsons is a Fellow of the American College of Dentists, fellow of the International College of Dentists, and is a Board Certified, Diplomate of the American Board of Periodontology.

In addition, he holds active membership in the Texas Dental Association, American Dental Association, American Academy of Periodontology, the International Congress of Oral Implantologists, and the American College of Oral Implantology.

Dr. Parsons, his wife, Jean, and their two daughters all reside here in San Antonio.

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Meet the Staff

Sharon Alonzo

Sharon Alonzo – Administration, Surgery Scheduling & Treatment Coordination

Sharon has over 20 years of administration experience in general dentistry, periodontics and orthodontics. She has been working with this practice since 2008.

Hobbies: Exercising, gardening, spending time with son, daughter and friends, and caring for her dogs and cats.



Elizabeth Knight

Elizabeth Knight – Administration, Surgery Scheduling & Treatment Coordination

Elizabeth also has over 20 years of experience in dental and surgical offices. She has been working with this practice since 2008.

Hobbies: Movies, sharing good times with her four-year-old niece.



Kelsay Carlander

Kelsay Carlander – Dental Assistant

Kelsay loves working with all types of patients. She has been working with this practice since 2010.

Hobbies: Snowboarding, being outdoors, baking, and entertaining family and friends.



Maricela Gray

Maricela Gray – Dental Hygienist

Maricela enjoys maintaining beautiful smiles for our patients. She has been an integral part of our practice since 1992.

Hobbies: Scrapbooking, photography, shopping and creating great smiles!



Mary Jane Rodriguez

Mary Jane Rodriguez – Dental Assistant

Mary Jane takes pride in making your dental visit enjoyable and fun. She has been working with this practice since 2010.

Hobbies: Arts & Crafts and spending time with family.



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