Meet Our Doctor

Our Team

Our team consists of dedicated individuals who are kind, friendly, and caring. Our staff is here to ensure a pleasant experience during your visit to our office.


Dr. Mariana Gabaldon - Hialeah Dentist

Dr. Gabaldon has been in practice for over 14 years. She graduated from the University of Miami after moving to South Florida from Venezuela to pursue her dental career. Her emphasis on patient comfort as well as keeping up with the latest advancements and cutting edge technology enables her to provide her patients with the best quality of care in the dental field.

Dr. Gabaldon has a wide range of experience in different areas of dentistry from cosmetic and restorative dentistry to surgical treatments and root canal treatments. Dr. Gabaldon specializes in the new innovative Orthodontic treatment called “Invisalign”. Her approach to patient treatment starts with patiently listening to their needs and concerns.
Then, after a complete and thorough examination, she reviews and discusses the diagnosis and treatment options with you.

"At Dental Boost we are taking a whole new level of responsibility to provide you with a comprehensive treatment plan that helps you understand your overall health. We provide standard of care based on a Healthy Mouth Baseline. We take pride in educating our patients on how an unhealthy mouth can affect your overall health. We are pioneers in Complete Health Dentistry." - Dr. Gabaldon

Matthew Fien, DDS

Dr. Matthew J. Fien received his bachelor’s degree from the University of Florida and his doctorate degree from Columbia University School of Dental and Oral Surgery. He completed post graduate training in the specialty of Periodontology at Nova Southeastern University and is Board Certified by the American Academy of Periodontology.

Dr. Fien has presented at several dental meetings and has authored multiple articles that have been published in the dental literature. He is a member of the American Academy of Periodontology and the Academy of Osseointegration.

Born and raised in South Florida, Dr. Fien enjoys playing golf and spending time with family and friends. Dr. Fien is married and he and his wife have a beautiful son.

Heidi Ortega, DDS

Dr. Heidi was born in Caracas, Venezuela where she received her Dental degree in 1993. Following her undergraduate education she received a Master Degree in Endodontic in 1997. Dr. Ortega moved to Florida with her husband Reinier and has two boys, Manuel and Mauricio. She continued her education and completed a General Practice Residency at Jackson Memorial Hospital/University of Miami.

She received the "Dr. Marx Professor Cup" and "The Best Resident of the year" in recognition for her dedication and outstanding professionalism.

Dr. Ortega is a member of:

  • American Dental Association
  • South Florida Dental Association
  • American Association of Endodontic

Our Happy Customers

We're here to help you get the perfect smile!
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