Dr. Ricardo Diaz is a native son of San Antonio. He is an alumnus of St. Mary's University and the University of Texas Health Science Center at San Antonio Dental School. After graduating from Dental School in 1983, he voluntarily joined the United States Air Force and served his country for 11 years. Dr. Diaz was on active duty during Desert Storm.

Dr. Diaz is a Board Certified Specialist in Periodontics and is a Diplomate of the American Board of Periodontology. He has extensive experience in all areas of the treatment of gum disease and limits his practice to this area only.

To obtain Board Certification, Dr. Diaz successfully completed comprehensive oral and written examinations given by a panel of internationally respected periodontists. The examinations covered all phases of periodontal disease and its treatment including dental implants. Board certification represents the highest recognition of achievement by the periodontics specialty and indicates expertise in the field of periodontics.

Dr. Lorenzana was born in San Salvador, El Salvador, and moved to Texas in 1979. He graduated from Southern Methodist University in Dallas in 1992 with a Bachelor of Science degree in Biological Sciences. He continued his studies at Baylor College of Dentistry where he completed his dental training in 1996.

Following graduation, Dr. Lorenzana began a three-year residency in periodontics and dental implants. Upon completion of his residency in June, 1999, Dr. Lorenzana earned a Master of Science degree in Oral Biology as well as his certificate in Periodontics from Baylor College of Dentistry-Texas A&M University System. 

Dr. Lorenzana has authored a number of scientific papers and lectured internationally. He became a Board Certified Specialist in Periodontics and a Diplomate of the American Board of Periodontology in May, 2000, having successfully completed both the written and oral parts of the American Academy of Periodontology Board certification process. Board certification represents the highest recognition of achievement in the field of periodontics and indicates expertise in all aspects of periodontics, including dental implants. In 2005, Dr. Lorenzana was inducted as a Fellow in the International Team for Implantology (ITI), a worldwide gathering of researchers, clinicians, and educators in the field of implant dentistry. As of this writing, there are only 384 ITI Fellows worldwide, and only 65 in the United States.

Dr. Lorenzana and his wife, who is originally from Fredericksburg, Texas, now make their home in San Antonio.

Dr. Varesic graduated from the University of Illinois at Urbana-Champaign in 1989 with a degree of Bachelor of Science in General Biology. She then earned her Doctor of Dental Surgery degree in 1994 from the University of Texas Health Science Center Branch at Houston, graduating in the top ten of her class.

Her specialty training was also conducted at UTHSC-Houston where in 1997 she earned her Specialty Certificate in Periodontics and a Master of Science in Molecular Biology. Dr. Varesic has also earned Board Eligible status after successfully completing Part I of the Board Certification process.

Dr. Varesic has extensive research experience and has published and presented her findings in a number of papers and presentations.

* Dr. Varesic practices only at the Rio Grande Valley locations.

Samantha - Office Manager

Anjanette - Office Manager

Lila - Front Desk

Rose - Front Desk

Flo - Insurance Coordinator

Martie - Surgical Coordinator

Cruz - Surgical Assistant

Brandy - Surgical Assistant

Julia - Surgical Assistant

Ana - Hygienist

Carol - Hygienist

Maritza - Front Desk

Socorro - Surgical Assistant

Irma - Surgical Assistant

© Copyright 1999-2007

Advanced Periodontics of Texas

All rights reserved