Welcome to Southern New Hampshire Endodontics

Thank you for your interest in Southern New Hampshire Endodontics. By referring you to our office, your dentist has shown confidence you will receive the finest endodontic care possible.  Endodontic specialist, Dr. Michael Marshall and his experienced team of assistants and office personnel have the goal of providing their patients with an exceptional experience.  When performed carefully endodontics can be accomplished in a very pleasant, comfortable manner and is an effective means of saving a tooth and maintaining the integrity of your natural dentition.    

Dr. Marshall is a specialist member of the American Association of Endodontists and has been consistently selected by his peers as one of the top endodontists in New Hampshire.  In fact, he has been bestowed this honor again this year (see the Bulletin Board posting below).  His mission is to provide unsurpassed quality in an environment of professionalism, caring and clinical excellence.  Please enjoy our website and learn more about endodontics and how we can help you.  Please click on this:  “Testimonials” to see what other patients have to say about their experience with us.


TOP VOTE GETTER in the Endodontist category!  We are pleased to announce that not only did Dr. Marshall’s peers again select him as one of the top endodontists for 2019 – 2020, but we are proud to say he was the top vote getter in the endodontic category in the entire state of New Hampshire.  The top vote getter distinction was awarded to Dr. Marshall in 2016 – 2017, as well!  As explained by “New Hampshire Magazine” (in the August issue), because this honor “is based on an exhaustive peer-review survey in which dentists and specialists throughout New Hampshire cast votes on the ability of other dentists and specialists, inclusion in ‘topDentists’ is considered a singular honor”.  In addition, he is listed in the 2020 edition of “Smart Health NH – a savvy consumer’s guide to medical services in the granite state” after it was asked of the area dentists:  “If you had a patient in need of a dentist, which dentist would you refer them to?”. 

Did you know that endodontic infections that occur in the maxillary posterior teeth can easily spread into the adjacent sinus and can lead to sinus issues?  Most certainly proper diagnosis of the source of the problem is essential to the solution and CBCT imaging has been shown to significantly improve the ability to detect odontogenic sources for sinusitis.  Conventional, peri-apical radiographs are hindered by anatomical structures  and do not consistently reveal mucosal thickening or fluid in the sinus.  CBCT is recognized to be helpful in demonstrating the expansion of odontogenic lesions into the sinus, the presence of a mucositis and an analysis of the problem tooth. 

Our office has CBCT technology!  The amount of information that can be attained from 3-D imaging is absolutely astounding!  It allows for more enhanced viewing of not only teeth, but the surrounding structures.  The benefits are tremendous since it allows for more accurate diagnosis, an understanding of what might be the best treatment (without having to actually enter the tooth) and increases the chances of providing successful endodontics when complexities are present and can be observed and understood before the treatment is even started.  Carestream is the largest provider of this technology in the world and the CS 8100 3D is their latest model.  At a recent American Association of Endodontists annual meeting a lecturer reported only about 23% of the endodontic offices in the country have a cone beam machine and we are one of them.  It is just another way of providing patients with the best care possible.  Please open this link to learn more about this exciting technology, supportive research and explanation of cost:  3D images with our CBCT

Dr. Marshall recently attended the 2019 American Association of Endodontists meeting, which  was held in Montreal.  There were literally hundreds of lectures, demonstrations and presentations by some of the worlds most renowned educators and research scientists on many topics, as well as displays of the most recent equipment and innovations.  Whereas the local educational forums are typically  designed for general dentists, this event is specific for the specialty of endodontics and specialists from all over the world usually attend.  It was a long way to travel, but this forum allows endodontists the opportunity to stay on the cutting edge of new information in order to better care for their patients.  


Dr. Marshall attended the 2019 Yankee Dental Congress.  It is an annual, five-day meeting held in Boston and is one of the largest dental conferences on the east coast.  It is designed for the continuing education of general dentists and specialists alike and is also a showcase for companies to present their latest equipment and supplies.  

Dr. Marshall and his daughter, Bailey ran in The Run to Remember half marathon.  The 13.1 miler is through the heart of Boston and along the Charles River and benefits the children of fallen police officers, fire fighters and rescue personnel.  It was a great day for the event, nice and sunny and a perfect temperature — it was a fantastic morning! 


See examples of healing after root canal therapy:  If you would like to see digital images of actual endodontic cases performed by Dr. Marshall, click on this link:  “Gallery of Root Canals” and click on this:  “Real Patient Experiences” to learn of the types of problems people have had who came to us for help.


Northeast Delta Dental:  We are members of  Delta Dental and most others dental insurances.  We work very hard to get the maximum benefit for our patients.  Please call our office for more information or if you have any questions.

How to find us:  We are located in the Dartmouth Commons complex in Manchester, New Hampshire.  Click on this link:  “Contact Us” to see a map of where we are located, interactive directions function and for more information, including our hours .

Root Canals, Endodontics and Endodontists:  

Endodontics is just another name for root canal related procedures and is a specialty area of dentistry which deals with saving teeth which might otherwise require extraction.  If you have a tooth with a favorable prognosis, it is usually more desirable to save it than to have it removed and replaced with a bridge, or an implant-crown.  Sometimes the words “root canal” can cause a distressing image for some people, but in actuality when this type of care is provided in a careful and precise manner, in accordance with certain biological principles, it is a very predictable and comfortable procedure with a high success rate.  Please follow this link to learn more about how this is done:  Root Canal Therapy. and this link to see what patients say about their experiences with us:  Testimonials.

Endodontists  are experts in root canal therapy.  They begin their careers as first becoming general dentists and then continue their education specifically in the field of endodontics for two more years.  Then, by limiting their practices to only root canal related procedures, they attain many years of experience in this realm of dentistry.  They become accomplished in finding causes of oral and facial pain, managing and relieving tooth pain, treating traumatic injuries to teeth, as well as dealing with calcified, tortuous and intricate canal systems.  Dr. Marshall has bolstered his experience by always attending the conferences conducted by the American Association of Endodontists, where the latest research, equipment and clinical procedures are presented by some of the world’s most renowned lecturers and clinicians.  In addition he practices with the most current technology, always employing a surgical microscope, digital imaging and the most exciting innovation of all, 3-D CBCT scans.