Dentistry That Puts Patients First
From preventive care to cosmetic and implant dentistry, you can expect thoughtful planning, meticulous attention to detail, and care that feels personal.

Alexander Gruenstein, DDS is a locally raised dentist with advanced training and a strong commitment to patient centered care. He earned his undergraduate degree from the University of Rochester and his dental degree from Columbia University College of Dental Medicine, completed extensive hospital based training through a General Practice Residency at Newark Beth Israel, and completed a Chief Resident year at Saint Barnabas Hospital in the Bronx.
Dr. Gruenstein is a Fellow of the International Congress of Oral Implantology and brings a thoughtful, honest approach to every patient visit. His focus is on clear communication, high quality care, and long term oral health without pressure.





We never push treatment. Instead, we focus on education, transparency, and long term oral health.
At Emerald Dentistry, we believe great dental care starts with listening. Our Yonkers office was designed to feel calm, welcoming, and respectful of your time, your comfort, and your individual needs. Whether you are here for routine care or something more advanced, our goal is simple: deliver excellent dentistry without pressure and without shortcuts.
Every recommendation is made with your best interest in mind, and every question is welcomed. Our patients value the fact that we take the time to explain options clearly and respect their decisions.

Our practice features all new technology and uses only the highest quality materials to ensure accuracy, durability, and optimal results. From digital diagnostics to advanced treatment planning, every detail of our office was created to enhance both patient comfort and clinical outcomes.
Patients also appreciate the convenience of our location at 970 North Broadway, Suite 211, Yonkers, NY 10701, with a large parking lot available in both the front and back of the building. Easy access and stress free parking are part of the experience.

August 10, 2026
Modern dentistry has undergone a significant transformation, thanks to precision tools like digital imaging. This technology enables early detection of oral health issues with remarkable accuracy, reducing radiation exposure by up to 90% and providing high-resolution images that enhance diagnostic capabilities. At Emerald Dentistry, these advanced techniques allow for tailored treatment plans that are minimally invasive and highly effective, ensuring patient comfort and long-term oral health.

August 10, 2026
In today’s fast-evolving world of dentistry, technology isn’t just enhancing procedures—it’s redefining what patients can expect from their care. From 3D scanning and AI-powered diagnostics to digital imaging and personalized treatment plans, advanced dental technologies are transforming patient experiences at Emerald Dentistry. By integrating cutting-edge tools into routine care, we ensure precise, efficient, and comfortable treatments tailored to each individual's unique needs, fostering trust and confidence in every visit.

August 10, 2026
Dental implants are more than just tooth replacements; they restore confidence, functionality, and natural appearance through meticulous planning and execution. From advanced imaging techniques to bone grafting and precise placement, every step ensures seamless integration with the patient's anatomy. Learn about innovative techniques like osseointegration and biomaterials that promote faster healing and long-term success.


Dental implants offer one of the most reliable and natural looking ways to replace missing teeth. At Emerald Dentistry, implant care is carefully planned and tailored to each patient, using advanced technology and high quality materials to support long term function and aesthetics. Whether you are missing a single tooth or need a more comprehensive solution, our approach focuses on comfort, stability, and results that feel confident and secure for years to come.


We believe trust is built through transparency. Treatment recommendations are always explained clearly, and patients are never pushed into care they do not need. Our role is to guide, inform, and support your decisions.

Our office is equipped with all new technology and premium materials to ensure accurate diagnostics, efficient care, and lasting results. This allows us to deliver dentistry that is both comfortable and dependable.

We work with most insurance plans and submit claims for you, even though we are out of network. Multiple payment options are accepted, and our team is happy to answer questions so everything stays clear and stress free.
If you are looking for a dental practice that values honesty, comfort, and high quality care, we invite you to experience Emerald Dentistry. From your first visit onward, you will notice a difference in how we listen, explain, and care for our patients.