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Cohasset Dentist - Katherine McArthur, DMD, PC - World Class Smiles!!

When you visit our Cohasset dental office, your smile is our top priority. Dr. McArthur & her entire team are dedicated to providing you with the personalized, gentle care that you deserve.

Part of our commitment to serving our patients includes providing information that helps them to make more informed decisions about their oral health needs.  This website is a resource we hope you’ll find both useful and interesting.

Along with all the general dental services that you and your entire family require, Dr. Katherine McArthur also offers the most popular cosmetic dental procedures that you have been searching for such as Invisalign, dental implants, porcelain veneers, Zoom teeth whitening and full smile makeovers.


 A Message from Dr. Katherine McArthur

Dear Patients and Friends:

I would like to take this opportunity to thank you for your continued trust and confidence in permitting me to care for you and your dental needs through the years.  It is with mixed emotions that I am announcing my retirement from my practice.  I deeply appreciate your part in making my last 27 years personally and professionally rewarding.

 As I am transitioning into a new chapter in my life, I have carefully selected Dr. Alison Freeman to take over my practice.

 Like me, Dr. Freeman is a graduate of Tufts University School of Dental Medicine.  She has a general dental practice in Hanson, MA and is a member of the American Dental Association, Academy of General Dentistry and the Massachusetts Dental Society.  Her commitment to quality dental care, proven track record on the South Shore, and her deep motivation to give the very best to her patients makes me confident you will be in excellent hands for all of your dental needs.

 I have chosen Dr. Freeman to continue my dental practice because in addition to her fine credentials and background, she is gentle, meticulous, enthusiastic about her profession, and extremely well-liked by her patients.  I am confident you will feel as comfortable with her as you are with me, and she will continue to merit your trust and referrals of family and friends.

Please call us if you have any questions or if you would like to schedule an appointment.

I have felt tremendous gratitude and pride to think that you chose me to be your dentist.  This is a very exciting time for all of us, so please join me in welcoming Dr. Freeman into our dental family.


Katherine McArthur, DMD


Contact us today!

We genuinely hope this site is helpful to you in learning more about our Cohasset dental practice, dental conditions and treatments, dental recommendations, and more.

Please browse
through our website and be sure to give us a call if you have any questions or would like to schedule an appointment.


Katherine McArthur, DMD, PC
746 Route 3A
Cohasset, MA   02025
Phone: 781-383-6555
Fax: 781-383-6610


Proudly Serving Patients From:

Cohasset, Beechwood, Minot & the Surrounding Massachusetts Area