About Us

Our Mission at Woburn Dental Associates

What Makes Us Different

We pride ourselves on our ability to sit down with patients and really listen to what they have to say. Our team genuinely wants to hear about your dental health goals and how treatment fits into your life, whether it’s now or in the future. We believe dentistry should be free of fear and intimidation, so we do everything in our power to ensure your comfort and confidence in our care. Is there something we can do to make sure your next visit is the best it can be? Feel free to let us know!

Meet Your Woburn Dentists

Over 30 Years of Combined Experience

Our team of expert dentists is dedicated to your oral health. Your smile is our passion, and we go above and beyond to make sure you leave our office happier and healthier than when you came in.

Dr. Marengi


Fun fact: Dr. Marengi has adventured across the entire country (from Seattle to DC) on his bike. When he’s not at the office helping patients reach their dental health goals, you can find him on his bike or in his converted garage, where he built a full-scale gym.

During his years at Tufts University School of Dental Medicine, Dr. Marengi met Dr. Baek, and the rest (as they say) is history. He graduated in 2011 and has since gained experience at multiple associateships.

Now that Dr. Marengi has his own practice with Dr. Baek, he’s proud to offer elevated, personalized dentistry in Woburn.

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Dr. Baek


Joyce Baek, DMD, obtained her degrees from Johnson and Wales University and The Ohio State University and went on to receive her dental degree from Tufts University. Her postgraduate education includes occlusion (your bite), short-term orthodontics, and dental photography. Her professional memberships include the Academy of General Dentistry, American Dental Association, and Massachusetts Dental Society.

Drs. Marengi and Baek are a husband/wife team who enjoy spending time with their daughter, hiking in the summer, and skiing in the winter.

Dr. Braga


Charles R. Braga, DMD, MMSc, earned his master’s and dental degrees from Harvard University, after obtaining his bachelor’s degree from Boston University, all with the distinction of magna cum laude. He is a recipient of the American Academy of Periodontology’s Award for Excellence as well as the Quintessence Award for Excellence in Periodontology. In his spare time he enjoys travel, computing, politics, and home improvement.

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Dr. Christina Sorensen

Dr. Sorensen


Dr. Sorensen received her BA in psychology from UNC– Chapel Hill in 2011 and her DMD from Tufts University School of Dental Medicine in 2016. She completed a one year postgraduate training program after dental school at St. Joseph hospital in Providence, earning her certificate in Advanced Education in General Dentistry. During her postgraduate training she was able to gain extensive experience in all phases of dentistry.

She is affiliated with the American Dental Association ,the RI Dental Association and is a member of the American Academy of Cosmetic Dentistry. What Dr. Sorensen enjoys most about dentistry is that it is as much of an art as it is a science.

She enjoys talking to patients who have specific goals and needs making each case and each day unique. Working together with patients to achieve something that makes them happy is her ultimate goal.

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What to Expect at Your First Visit

Approachable Dentistry

When you arrive for your first visit at Woburn Dental Associates, our team will take the time to get to know you on a personal level– we care about more than just your smile! We’ll discuss your dental health goals, perform a comprehensive exam, and go over your diagnosis with compassion and respect.

Office Comforts & Amenities

Modern, Comfortable Care

We designed our office with you in mind. When you arrive, enjoy a cup of joe or tea from our beverage station and relax in front of the TV. We have all the comforts of home to make you feel relaxed and at ease. Our office is equipped with modern technology (including a CEREC machine for same-day crowns) and we only use the best materials available. Whether you’re here for a simple cleaning or a more extensive procedure, you’ll always feel comfortable and confident in our care.

Our office lobby and waiting area

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