Bio Dental

Dentist in N PROVIDENCE, RI See Services

2148 MINERAL SPRING AVE, N PROVIDENCE, RI 02911

About Our Office

Welcome to Bio Dental RI — Where Whole-Body Health Starts with Your Smile At Bio Dental RI, we go beyond routine dentistry. We are proud to be a Certified Biological and SMART-certified, mercury-free and amalgam-free dental practice dedicated to treating not just your teeth — but your whole body. Our approach is rooted in the proven connection between oral health and overall well-being. Led by Dr. Castillo, a highly trained and compassionate biological dentist, we blend the latest in holisti...Read Morec and cosmetic dentistry with advanced techniques like ozone therapy, PRF (Platelet-Rich Fibrin), and non-toxic, metal-free restorations. Every treatment is designed to support your body’s natural healing and reduce toxic burden — from safe mercury filling removal to zirconia dental implants and BPA-free materials. We believe education is empowerment. That’s why we invite you to explore our services, understand our protocols, and make confident, informed choices about your dental care. At Bio Dental RI, patients are family. From the moment you walk through our doors, you’ll feel the difference — the warmth, the energy, the personal attention. We’re honored by the trust of our long-time patients and the kind words they’ve shared. Read our reviews here → dentist near me, dental implants, dental implant, ozone dental therapy, Platelet Rich Plasma therapy, mercury safe dentist, BPA free dental material, metal free crown, zirconia cap, porcelain cap. #RItopdentist #top dentist #holiticdentist #metalfreedentist #mercurysafe #SMART #ozone dental therapy #RIdentist #dentistry #smile #QuoteOfTheDay #Teeth #Dentist #SMARTPROTOCOL #RI #NorthProvidence #RIDentist #OralHealth #HealthyLiving #NoMercury #HgFree #toothrush #HappyTeeth #HealthyTeeth #DrSmile #SmileMakeover #RI #amalgamsaferemoval #ozone. mercury removal dentist near me, holistic dentist Rhode Island, fluoride free dentist, best holistic dentist near me, smart certified dentist near me, remove mercury fillings cost, the poison in your teeth biological dentist, toxic teeth, dental amalgam removal, mercury free fillings, fluoride free dentist near me, remove fillings yourself, holistic dentist RI, dentist in north providence RI, north providence dental, dentist castillo, sedation dentist in Rhode Island, amount of mercury in amalgam fillings, heavy metal dental filling, how does mercury fillings affect your health, best holistic dentist near me, holistic dentist RI, facts about amalgam fillings, dental mercury, mercury free dentist RI, holistic Read Less

Certifications & Memberships

Meet Our Team

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.

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.

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.

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.

Team Read Bio

We look forward to meeting you!!

Patient Satisfaction

984 Patient Reviews

Patient Reviews

Rocio T.

11/21/25

I had a great experience with my hygienist, Cynthia Boudreau. She was very thorough, knowledgeable and made me feel completely comfortable during my cleaning. Highly recommended for anyone looking for quality care.

Comment from the practice

11/23/25 Dear Rocio, Thank you for rating us with 5 stars and for your kind words! Cynthia is amazing and caring :) The Bio Dental Team :)

Manuel C.

10/27/25

Muy buena tensión y me isiero buen trabajo.

Comment from the practice

11/01/25 Dear Manuel, Gracias por su voto de 5 estrellas y por ser parte de la familia Bio Dental !!

Anonymous

10/20/25

I’ve been going to Bio Dental for many years. Thanks for her knowledge, patience and expert care, Cynthia has helped me immensely in being receptive to dental cleaning and care as well as recommending the tools and steps for proactive care while also building my confidence. She is one of a whole team of exceptional professionals. I have trust in each one!

Comment from the practice

11/01/25 Thank you for rating us with 5 stars!!! We are honored to be chosen by you for your dental care. The Bio Dental Team :)

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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.