Portsmouth Dental Care

Dr. Juanita Fonseca brings a specialization in orthodontic care to Lafayette Dental Care. She stands out as a leading orthodontist in Portsmouth and the surrounding neighborhoods for her compassion and excellence in orthodontics. Dr. Fonseca believes strongly in education to prevent oral health problems before they occur and makes sure to keep patients fully informed about their dental health. To find out more about Dr. Juanita Fonseca's achievements in orthodontics click here

Juanita Fonseca, DDS, MS

With over 25 years of experience in the dental field, Dr. Juanita Fonseca began her undergraduate education at the University of North Carolina in Chapel Hill, NC then, finished at the University of Connecticut in Storrs, CT where she received her Bachelor of Science degree. Continuing on with her thirst for knowledge and desire to help people, Dr. Fonseca went on to get her dental education at the University Of Michigan School Of Dentistry in Ann Arbor, MI where she earned her DDS degree.


After practicing in a private practice for one year in Ann Arbor, she spent the next 2 years on the faculty at the University Of Iowa, School Of Dentistry in Iowa City, IA. Here was able to train first-year dental students in dental diagnosis, radiology, oral pathology, and TMD – fulfilling both her love for teaching and working with young people. In addition to working with the dental students, she worked in the Oral Diagnosis Department at the dental school.


 Dr. Fonseca then was accepted into a 2-year Orthodontic specialty program at the University of Iowa, School of Dentistry, where she graduated in 1992 with a Masters in Science. After practicing for a number years as an Orthodontist in a private practice in Iowa City, IA she and her husband decided to move back to New England to be closer to their family.


In keeping with Dr. Fonseca’s desire to provide her patients with the latest knowledge and the best dental care, she is a member of the Spear Study Club, Greater Southeast Dental Society, New Hampshire Dental Society, American Dental Association, and the American Association of Orthodontists.


Since 2011, Dr. Fonseca has been listed as a top Dentist in New Hampshire Magazine, a distinct honor where dentists are strictly voted on by their peers.


Dr. Fonseca presently resides in the New Hampshire seacoast area with her husband and three children, whom she loves spending time with. She also enjoys traveling, reading, seeing movies, going to the theatre, listening to music and skiing.