A Manchester native, Dr. Langlois attended McGill University in Montreal where he received his Bachelor of Science degree in Physics. He was graduated magna cum laude and earned the honor "University Scholar" for academic achievement while at McGill.

Dr. Langlois received his dental education at Washington University School of Dental Medicine. Along with being active in many student organizations, he was the recipient of the Quintessence Award for Achievement in Restorative Dentistry and was elected to membership in Omicron Kappa Upsilon, the national dental honor society.

Dr. Langlois has been in private practice in the Manchester and Bedford areas for more than 20 years. He is a member of several professional organizations, including the New hampshire Dental Society, American Dental Association, and the American Academy of Cosmetic Dentistry. He is a Fellow of the Pierre Fauchard Academy and of the Academy of General Dentistry. Fellowship in the Acadmey of General Dentistry recognizes a commitment to post-graduate dental education in all aspects of patient care.