With their friendly and approachable personalities, Dr. Hernandez and Dr. Martinez are eager to welcome new patients to Uptown Smiles. The doctors have extensive dental training, and both served in the United States military. They are honest, dedicated, sincere people who hope to make a meaningful impression on the residents of Oklahoma City.

Dr. Hernandez and Dr. Martinez have great concern and compassion for everyone they treat. They are trustworthy, knowledgeable, and skilled, and they take great pride in their ethics and standards.

Alexandra Hernandez, DDS
  • Uptown Smiles


    • 1. 2004 Oklahoma State University, Stillwater, OK
    • 2. 2009 General Dentistry, University of Oklahoma, Oklahoma City, OK
    • 3. 2010 AEGD (Advanced Education in General Dentistry) Air Force Program, Sheppard AFB, TX
  • Uptown Smiles


    • 1. Elected Official to the Oklahoma Dental Foundation
    • 2. Service in the United States Air Force – 11 Years
    • 3. Active Service in the Air Force Reserves as the dental commander of the 507th Dental Squadron, Tinker Air Force Base
  • Uptown Smiles


    • 1. International Academy of Facial Aesthetics
  • Uptown Smiles


    • 1. Doctor of Dental Surgery, Oklahoma
    • 2. AEGD Certification/IV Sedation Certification
    • 3. ACLS Certification (Advanced Cardiovascular Life Support)
  • Uptown Smiles


    • 1. OKMOM – 2010, 2012
    • 2. Good Shepherd Ministries – 2016 to present
    • 3. Regular volunteer at her children’s school

Maricruz Martinez, DDS
  • Uptown Smiles


    • 1. 2005 Tarleton State University, Stephenville, TX
    • 2. 2010 University of Texas Health Science Center, San Antonio, TX
    • 3. 2010-2011 AEGD-1 Residency, Eglin AFB, FL

Providing patients with ultimate comfort and clinical excellence is our priority. With genuine concern and compassion for patients, we focus on providing exceptional and esthetic results through patient education, careful listening and custom treatment planning. As prior military doctors, we are proud of our integrity, our values, and our commitment to always doing what is in the best interest of patients.

Building meaningful and lasting relationships with our patients is exceedingly important to us. We care for anyone and everyone who walks through our office door as if they were members of our own family. Making a positive impact on the lives of others through dentistry is our greatest reward.


601 NW 23rd St Suite #200,
Oklahoma City, OK 73103

Office Hours

MON9:00 am - 6:00 pm

TUE7:00 am - 7:00 pm

WED8:00 am - 4:00 pm

THU11:00 am - 7:00 pm

FRI - SUNClosed