Welcome to North Boulder Dental, where compassionate care meets comprehensive excellence. Nestled in the heart of Boulder, our dentists are dedicated to providing individualized attention to families, students, and professionals alike. We pride ourselves on building lifelong relationships with our patients, offering a blend of preventive, restorative, and cosmetic dentistry tailored to each individual's needs. Experience dentistry that prioritizes prevention and patient empowerment, ensuring you and your family receive the best care for a lifetime.

Meet Our Dentists
Our Dental Services and Procedures
Discover a wide range of services designed to meet your dental needs at every stage of life. From preventive care to cosmetic enhancements and emergency treatments, we are equipped to provide comprehensive care. Our specialties include digital dentistry and tailored pediatric services—all delivered with a commitment to excellence.

Why Choose North Boulder Dental?
- Patient-Centric Care: We focus on personalized, high-quality dentistry that prioritizes your needs, free from corporate constraints or insurance limitations.
- Community Engagement: We’re more than just a dental practice; we’re active, invested members of the Boulder community, supporting local charities and events.
- State-of-the-Art Technology: From digital X-rays to iTero scanners, our cutting-edge technology enhances our diagnostic capabilities and ensures your comfort and safety.
Explore our extensive service offerings in Boulder, CO, designed to meet all your dental care needs. From preventive and restorative treatments to cosmetic enhancements and pediatric care, we’re here to support your oral health at every stage of life. Experience exceptional care in a welcoming and modern environment.
- Preventive Dentistry: Our preventive dentistry services are designed to help you maintain optimal oral health. Comprehensive oral exams allow us to detect issues early, and our periodontal maintenance ensures your gums remain healthy and free from disease. By focusing on prevention, we aim to establish a strong foundation for long-term dental well-being.
- Restorative Dentistry: Whether you've experienced tooth decay or damage, our restorative dentistry services offer solutions to restore your teeth’s functionality and aesthetics. From natural-looking composite fillings that blend seamlessly with your teeth to durable dental crowns that provide strength and support, our goal is to restore your smile’s health and appearance.
- Cosmetic Dentistry: With our range of cosmetic dentistry services, you can achieve the smile you've always wanted. Whether through professional teeth whitening that brightens your teeth or Invisalign treatments that straighten them discreetly, we’re here to enhance your smile while boosting your confidence.
- Digital Dentistry: At the forefront of dental innovation, our digital dentistry services use modern technology to improve your dental experience. Digital X-rays offer high-resolution images with minimal radiation exposure, while iTero scanning allows us to create precise, same-day crowns for a convenient, hassle-free experience.
- Emergency Care: Dental emergencies can occur when least expected, and our emergency care is designed to provide prompt relief. We offer same-day appointments to address urgent dental needs quickly, helping alleviate pain and prevent further complications.
- Pediatric Dentistry: Children have unique dental needs, and our pediatric dentistry services are tailored specifically for them. We focus on creating a friendly and welcoming environment that encourages a positive attitude towards dental care, ensuring your child’s experience is comfortable and stress-free.
Paul A. Sica III, D.M.D.
Dr. Sica, a graduate of The Catholic University of America and Temple University School of Dentistry, has been a dedicated member of North Boulder Dental since 1998. Passionate about giving back, he participates in programs like Dental Lifeline Network and Give Kids a Smile.
David Welden, D.D.S.
Dr. Welden earned his D.D.S. from the University of Michigan and completed an advanced residency in Oklahoma. He is actively involved with the Boulder Dental Forum and other professional societies, ensuring exceptional patient care.
Stephanie Nielsen, D.D.S.
Originally from Wisconsin, Dr. Nielsen graduated from the University of Colorado School of Medicine. She is committed to community service and enjoys raising her family in Boulder while enhancing patient smiles.
Kristy Dhaliwal, D.D.S.
With a rich background in microbiology and a D.D.S. from the University of Colorado, Dr. Dhaliwal provides expert care and volunteers extensively in local initiatives, reflecting her dedication to patient and community health. Experience the North Boulder Dental difference today—where your smile is our passion!




