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Welcome to our practice!!


Welcome to New Generation Dental Center, a third-generation dental practice serving the Greater Boston area, conveniently located on the Newton-Wellesley lineDr. Nathan Birnbaum, a prosthodontist, and Dr. Heidi Aaronson, a general dentist, believe in the importance of excellent oral hygiene and are committed to providing you and your family with the best dental care in a modern, professional environment.


Highest Quality Dental Procedures

From hygiene, orthodontics, and fillings to tooth whiteningcrownsimplants, and sports dentistry, we provide a wide array of dental services to meet your needs – all in one convenient location! We also offer Botox treatments to patients to enhance smile esthetics and to treat TMJ dysfunction, as well as myofascial pain and trigger points. We treat all members of your family, with early dental care and laser lip- and tongue-tie treatments for pediatric patients to full or partial dentures for senior patients, and everyone in between! 

State-of-the-Art Dental Facility

Using only the most advanced equipment, our experienced staff works together to give you exceptional treatment. We utilize the latest advancements – including the 3Shape TRIOS digital impression scanner, DIAGNOdent laser cavity detector, Odyssey diode lasers, the VELscope oral cancer screening device and the teeth-straightening Invisalign and MTM Systems – to provide you with high-tech dentistry.

Thank you for your interest in our services and the trust you have placed in us. Please contact us if you have any questions about our office or the treatments we provide.

Office Hours

We are open to serve you, answer questions or schedule an appointment from Monday – Thursday: 8:00 a.m. – 6:00 p.m.


A doctor is on-call for emergencies 24 hours a day, 7 days a week. If you are experiencing a true dental emergency, please call our office at 781-431-9999 and press "1" for the emergency line and leave a message. One of the doctors will call you back as soon as possible. You may also reach us via text message at 781-206-2319.

Office Amenities


It is our goal to make your dental visits as comfortable and stress-free as possible. Our office has the following amenities available to all patients:

  • Free high-speed wireless internet (WiFi)

  • - Ceiling-mounted television in the dental operatories with a wide selection of DVDs, streaming video and noise-canceling headphones

  • - Free samples of toothbrushes, toothpaste, floss and other dental healthcare products at all hygiene appointments

  • Pillows and blankets to ensure patient comfort

  • Electronic (e-mail and/or text message) appointment reminders 

  • Option to use text messaging instead of phone calls to reach our office

  • Hassle-free digital insurance submission

  • Handicap-accessible building, restrooms, and operatories

  • Free parking in our secure, guarded parking lot


New Generation Dental Center is conveniently located in Wellesley, Massachusetts. Enter your address in the directions in the map below to receive driving directions from Google Maps.

Missed Appointments

Patients who do not show up for appointments or who cancel with less than 24 hours’ notice will be charged a fee based on the length of the missed visit. A minimum of 24 hours’ notice is required to avoid being charged.

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