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Your Trusted Dentist in San Marcos, TX
San Marcos Gentle Dental has been a trusted provider of high-quality dental care in the San Marcos community for over four decades. Our practice is built on a foundation of patient-focused care, innovative technology, and a commitment to gentle, painless dentistry. Led by Drs. Donnelly, Gentile, and Schneider, our team combines decades of collective experience with advanced dental techniques to address diverse patient needs. We prioritize comfort through cutting-edge technology like digital impressions, laser dentistry, and sedation options while maintaining a welcoming, home-like environment.

As a locally owned practice, we emphasize personalized treatment plans, preventive care education, and transparent communication about procedures and costs. Our services span restorative solutions, cosmetic enhancements, and emergency dentistry, all delivered with a focus on long-term oral health and patient satisfaction.
Services
Invisalign Emergency Dentistry Wisdom Teeth Extractions Sedation Dentistry Root Canal Therapy Preventive Dentistry Restorative Dentistry Dental Crowns Teeth Whitening Dental Implants
Highlights and features
  • Over 40 years serving San Marcos with advanced dental technology
  • Three experienced dentists with collective decades of expertise
  • Personalized treatment plans for preventive, restorative, and cosmetic needs
  • Gentle dentistry approach with sedation and pain management options
  • Transparent communication about procedures, costs, and insurance options
What people say
Professional and friendly Thorough and thoughtful Clean and comfortable Knowledgeable dentist Relaxing atmosphere
Services
Dental Implants
Dental implants replace missing teeth roots using titanium posts bonded to jawbone. Our process includes consultation, surgery, osseointegration, and custom restoration. Benefits include improved chewing function, jawbone preservation, and natural-looking results lasting decades with proper care.
Teeth Whitening
Professional whitening options include in-office ZOOM treatment and customized take-home kits. Treatments address stains from food, aging, or smoking. Results last 3-6 months with proper maintenance and dietary habits.
Sedation Dentistry
Oral conscious sedation and nitrous oxide create relaxed dental experiences. Ideal for anxious patients or complex procedures. Ensures comfort while maintaining safety through professional oversight during treatment.
Root Canal Therapy
Advanced root canal treatments remove infected pulp while preserving natural teeth. Digital imaging ensures precision. Alleviates pain and prevents infection spread, maintaining dental function without extraction.
Preventive Care
Comprehensive preventive services include bi-annual exams, digital X-rays, oral cancer screenings, and fluoride treatments. Early detection of issues like gum disease or decay prevents costly interventions through regular professional monitoring.
People
Dr. Robert Donnelly
Owner/Dentist
With decades of experience, Dr. Donnelly established a patient-first practice model emphasizing gentle dentistry and advanced technology integration for comprehensive oral healthcare solutions.
Dr. Andrew Gentile
Dentist
Dr. Gentile brings extensive restorative and cosmetic dentistry expertise, focusing on personalized treatment plans that combine functional improvement with aesthetic enhancement using modern dental materials.
Dr. John Schneider
Dentist
Specializing in complex dental reconstructions, Dr. Schneider utilizes cutting-edge technology to deliver precise, long-lasting solutions for patients with significant dental damage or missing teeth.
Questions
How do I get emergency dental care?
Call immediately for same-day appointments. For life-threatening emergencies, dial 911. Most dental emergencies require professional intervention to prevent complications.
What's the cost of a dental check-up and cleaning?
Average $200–$350 nationally. Insurance typically covers preventive services. New patient special available at $69 includes exam, cleaning, and X-rays.
How many dentists practice here?
Three experienced dentists: Donnelly, Gentile, and Schneider provide comprehensive care with combined decades of expertise in restorative, cosmetic, and emergency dentistry.
Can I make same-day appointments?
Yes, call directly for urgent dental needs. Staff assesses situations promptly to provide pain relief and treatment planning during emergency visits.
What dental education requirements exist?
Dentists complete bachelor's degrees, 4-year dental school (DDS/DMD), and annual continuing education. Specializations require additional 3+ years training beyond dental school.