We Stand For Excellence

As a team that personifies professionalism, while always having fun, we inspire each other to be and do our best. Our vision is to make a difference every day, growing stronger due to our passion as we utilize new methods, new materials, and new procedures.

Our Legacy

Welcome to Countryside Oaks Dental

When it comes to your smile, you deserve nothing less than the best. Dr. Mauricio Castellanos offers both high quality general dentistry and prosthodontic services, based on proven and published research, and provided with honesty and integrity. Along with our team, Dr. Castellanos is dedicated to ensuring the long-lasting health and happiness of our patients.

We recognize that our patients are unique and deserve to receive dental care that reflects their individual needs. We are here to work with you and your family to create a comfortable, stress-free, and rewarding dental experience every time you visit our practice.

We also understand that you, or your child, may feel anxious about visiting the dentist. We are sensitive to your needs, and it is our goal to make you feel comfortable visiting our practice while providing the best care possible.

From our Clearwater, FL dental office, patients receive the level of dental healthcare they deserve from a team that genuinely cares about their lasting health and wellbeing. Experience for yourself the difference that quality dental care can make in your life by scheduling an appointment at Countryside Oaks Dental.

Smiles Crafted With Care

Countryside Oaks Dental offers the simplest of general dentistry procedures to the most complex prosthodontics procedures because we have received advanced training to offer both with a high level of excellence. Dr. Castellanos and our staff make up an experienced dental team that will help every patient achieve optimum oral health.

Our Services
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“Finally a dentist office I can trust in and feel comfortable with my oral care. Very professional and courteous staff. Dr C is amazing he explains everything to you and you won't be disappointed in the results. Frankie is an artist that can make anything into beautiful teeth! I can say after being dissatisfied with other Dental offices and thinking I would never smile again, Dr. C and his staff did the impossible, I now have a big beautiful smile thanks to them.” Kimberly S.
“What an amazing group! I was so surprised at how nice they were. Dr. Mauricio Castellanos was great at explaining all my options to me. He is very knowledgeable! They made me feel comfortable and were gentle with me while looking into my mouth. I will be recommending Countryside Oaks Dental to everyone.” Shelby M.
“I love this place! Dr. Mauricio is a very caring and professional doctor. The staff is very kind and attentive as well. I can tell how they treat each other as a family. Also the doctor speaks both English and Spanish which is great for the latin community that doesn’t speak English.” Erika N.
“Countryside Oaks Dental is wonderful! From the greeting at the front desk, to every other dental professional, the staff is courteous, kind and experienced. Franki is an amazing dental assistant and always makes me feel at ease. Dr. C’s expertise is unparalleled. I have been a patient for years and drive 30min from St. Pete because they are the only ones I would trust with my teeth.” Rose R.
“Countryside oaks dental is the best dental office that I have been. They are friendly and profesional staff. Dr. Castellanos is an excellent dentist. He always understands patient’s needs and he makes you feel that he is in control of the whole treatment with knowledge, honest and integrity. Thank you Dr C and staff!! God bless you all!” Andrea M.
“Dr. C is a gentle knowledgeable dentist. He thoroughly examined my teeth and explained all of my potential issues without pushing any work. His entire team is friendly and provide excellent patient care.” Kelly L.
“Dr. Castellanos is a very well known Prosthodontist in the Clearwater/Tampa Fl area. My whole family trusts him very much! He has made incredible changes and we are all very happy! Staff is also amazing! Highly recommend!” Francesca G.
“I am beyond impressed by how Dr. Castellanos and his team took care of me and my wife. It is very noticeable how passionate they are in their profession and nowadays that is not easy to find. Thank you so much!!!” Alejandro B.