About Our Office

Dr. Castillo is a leading Holistic Dentist in Rhode Island and the founder of Bio Dental, a mercury-free, biological dental practice dedicated to oral-systemic health and whole-body wellness. For over 16 years, she has been committed to safe, toxin-free dentistry that recognizes the powerful connection between the mouth and the rest of the body. Her philosophy is rooted in biological and integrative dentistry, meaning every treatment is carefully selected to support the body’s natural healing pr...Read More

Certifications & Memberships

Meet Our Team

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Tara A. Principal Dental Coordinator Read Bio

Certified Dental Assistant with over 18 years of experience in all types procedures and customer services. With a friendly smile, Tara will greet you and make you feel very comfortable right from the start. She works very closely with Dr. Castillo in Safe removal of amalgam and Mercury free treatments. Tara can answer any questions about your dental treatment and all the services we offer at the Aesthetic Dental Studio of RI.

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Isabel-Dental Coordinator and Finance Specialist Read Bio

Dental Coordinator and Finance Specialist With a friendly attitude and with over 20 years of dental experience, Isabel can help with all types of dental and insurance questions. She is very welcoming and enthusiastic about dentistry. Her understanding of holistic dentistry helps explained the patient amalgam safe removal steps and all type of holistic alternatives for treatments. Safe removal of amalgam fillings. Safe removal of Mercury fillings.

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Cynthia - Dental Hygienist Read Bio

Graduated from The University of Rhode Island. Cynthia also has an associates in business management and art. With over 20 years of experience Cynthia is an expert treating dental phobic patients. With Sedation or with out sedation, Cynthia caring manners brings any type of nervous patient to ease. She is knowledgeable of biological dentistry and amalgam safe removal procedure. She enjoys scrap-booking, tennis, traveling, sking, golfing, camping, and cooking.

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FiorD'aliza - Office Manager Read Bio

With over 32 years in the health industry, Liza carries a great understanding in providing outstanding customer service in our Mercury Free Dental practice. Her warmth and welcoming personality is sensed as soon as you call or walk into the office. Liza is very knowledgeable about holistic dentistry, amalgam safe removal, mercury free dentistry and implant information.

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Team Read Bio

Welcome to the Bio Dental Family, At Bio Dental, we are a twice-certified biological dental team dedicated to whole-body wellness through dentistry. Our practice focuses on safe amalgam removal, mercury-free and fluoride-free restorations, biocompatibility testing, ceramic implants, ozone therapy, airway-focused dentistry, and minimally invasive procedures that respect the body’s natural healing ability. We believe dentistry should support—not compromise—overall health. More than a team, we ...Read More

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Julie Registered Dental Hygienist Read Bio

For over 15 years. Her compassion and enthusiasm is shown in the way she educates her patients. Julie is experienced working in periodontal disease patients with the adjunct of ozone therapy. When comes to treatment plan and how to help the patients for option in treatment for amalgam safe removal, sedation therapy, holistic surgery and biological options Julie is the expert team member.

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Team Read Bio

Welcome to the Bio Dental Family, At Bio Dental, we are a twice-certified biological dental team dedicated to whole-body wellness through dentistry. Our practice focuses on safe amalgam removal, mercury-free and fluoride-free restorations, biocompatibility testing, ceramic implants, ozone therapy, airway-focused dentistry, and minimally invasive procedures that respect the body’s natural healing ability. We believe dentistry should support—not compromise—overall health. More than a team, we ...Read More

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Team Read Bio

Welcome to the Bio Dental Family, At Bio Dental, we are a twice-certified biological dental team dedicated to whole-body wellness through dentistry. Our practice focuses on safe amalgam removal, mercury-free and fluoride-free restorations, biocompatibility testing, ceramic implants, ozone therapy, airway-focused dentistry, and minimally invasive procedures that respect the body’s natural healing ability. We believe dentistry should support—not compromise—overall health. More than a team, we ...Read More

Patient Satisfaction

990 Patient Reviews

Patient Reviews

Services We Provide

At Bio Dental we provide state of the art dental services, recognizing the link between mouth-body-communication. Our Mercury free, Biological certified dental practice provide the choices of material restorations such as Voco- Admira Fusion which contains none of today’s classic monomers—such as bisphenol A (BPA), bisphenol A glycidyl methacrylate (bis-GMA), triethyleneglycol-dimethacrylate (TEGDMA), urethane dimethacrylate (UDMA), no Fluriode. We are SMART certified for mercury free removal following safe protocol. Our new patients are welcome to visit us any time to see our environment and feel the energy of our practice. #RItopdentist, #mercury reedentist, #metalfreedentist, #holisticdentist RI, #gumdisease, #periodontaldisease. dentistnearme RI, dental implant bridge, dental implants front teeth, sleep apnea dentist, please click here.

Payment Forms

We offer a number of convenient payment options for our patients which make it easy to afford any care you may need.

American Express, Care Credit, Cash, Discover, Mastercard, Visa

Languages Spoken

  • English
  • Portuguese
  • Spanish