At Beautiful Smiles, we want you to know that thanks to the latest advances in cosmetic and restorative dentistry, a beautiful, youthful smile has never been so easily accessible. We offer a wide range of services to improve your appearance and your self-confidence. Their comprehensive cosmetic and restorative capabilities include:

Meet Dr. Castillo



  • No second injections or temporaries
  • No unprofessional doctors
  • No poor quality products



Our focus is on your overall well being and helping you achieve optimal health and aesthetics. We provide state-of-the-art dental care in a comfortable setting, at times convenient to your schedule. We want all of our patients to know that brushing can be fun.



CareCredit is a healthcare credit card designed for your health, beauty, and wellness needs. It’s a way to pay for the costs of many treatments and procedures and allows you to make convenient monthly payments. We want all of our patients to know that you can afford to have the smile you deserve. Please click on the button down below to apply today!



Meet Our Staff

Learn Who We Are

  • Dr.
    Miguel Castillo

    Dr. Castillo began practicing dentistry in 1997.  Dr. Castillo focuses on cosmetic, orthodontic, neuromuscular, implant dentistry, sleep dentistry, and now offers Pinhole Gum Rejuvenation.

  • Janet Villarreal

    Hello my name is Janet. I am originally from Edcouch Elsa, TX. Class of ’97. I graduated from San Antonio College in 1999 with a Certification as a Registered Dental Assistant. I have been working here at Beautiful Smiles for 16 years.

  • Criselda Brower

    Hello my name is Criselda. I am originally from Mercedes, TX class of ’92. I attended the University of Texas at Pan American in Edinburg, TX. I have been employed with Dr. Castillo since 2007.


    Amazing experience! The staff is very friendly. The office is organized. Dr Castillo is an amazing dentist, very amiable. I will soon be living in San Antonio and I will be sure to visit Beautiful Smiles for my cleaning. Over all, great experience!

    Alyssa L.

    Dr. Castillo is the best! He is professional, kind and takes his time to really listen to you. His staff is very friendly and helpful and the office is beautiful.

    Crissy B.

    Dr. Castillo and staff are amazing. They are always very punctual. Staff is very friendly. Dr. Castillo is very knowledgeable, answered all my questions and has great bedside manners. I highly recommend Dr. Castillo.

    Gladys S.

    Staff is Amazing, Always helpful. Dentist is very patient Good listener. Our family is very pleased w his service

    Cyndi S.

Featured Articles

Read about helpful topics

  • Invisalign®

    Invisalign's® invisible, removable, and comfortable aligners will give you the beautiful straight teeth you've always wanted. And best of all, no one can tell you're wearing them. Invisalign® is great for adults and teenagers. What is Invisalign®? Invisalign® is the invisible way to straighten ...

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  • Veneers

    Teeth that are badly stained, shaped or crooked may be improved by a veneer placed on the surface of the affected teeth. Veneers are thin pieces of porcelain or plastic cemented over the front of your teeth to change their color or shape. Veneers are used on teeth with uneven surfaces or are chipped, ...

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  • Fillings

    Frequently asked questions: dental fillings Are dental amalgams safe? Is it possible to have an allergic reaction to amalgam? Is it true that dental amalgams have been banned in other countries? Is there a filling material that matches tooth color? If my tooth doesn't hurt and my filling is still in ...

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  • Sealants

    Sealants are liquid coatings that harden on the chewing surfaces of teeth and are showing a great deal of effectiveness in preventing cavities—even on teeth where decay has begun. The pits and grooves of your teeth are prime areas for opportunistic decay. Even regular brushing sometimes misses these ...

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  • Your Rights and Responsibilities as a Patient

    Patient Rights You have a right to choose your own dentist and schedule an appointment in a timely manner. You have a right to know the education and training of your dentist and the dental care team. You have a right to arrange to see the dentist every time you receive dental treatment, ...

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  • Overview

    Pain can occur in any number of places in your mouth: teeth, gums, roots, the palate, tongue and jaw. Cavities are a common culprit causing pain. Untreated cavities can impact nerves because of infections of the tooth and gums. Impacted and abscessed teeth and sore jaws from teeth grinding are other ...

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  • Toothaches

    Simple toothaches can often be relieved by rinsing the mouth to clear it of debris and other matter. Sometimes, a toothache can be caused or aggravated by a piece of debris lodged between the tooth and another tooth. Avoid placing an aspirin between your tooth and gum to relieve pain, because the dissolving ...

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  • Introduction

    Does mercury in the silver fillings in your mouth pose any long-term health risks? Does fluoride, in spite of everything we've been told since childhood, actually cause more harm than good? What does the latest research reveal about tobacco use on your overall oral health? This section is dedicated ...

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  • Your First Dental Visit

    Your first dental visit promises to be a pleasant experience. Making sound decisions about your dental care and oral health is an easy thing to do with the right preparation beforehand: Make a list of questions to ask our office, so you don't forget anything on the day of your appointment. This ...

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  • Medications

    Some dental procedures, such as tooth extractions and oral surgery, may call for our office to prescribe medications before or after a procedure. These medications are used to prevent or fight an infection, or to relieve any post-operative discomfort and pain. For these reasons, it is extremely important ...

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Our Location

Find us on the map

Hours of Operation

Our Regular Schedule


8:00 am-7:00 pm


8:00 am-3:00 pm


8:00 am-5:00 pm


8:00 am-3:00 pm


8:00 am-12:00 pm