Dr. John Lem, DMD, is a highly experienced orthodontist specializing in orthodontics and dentofacial orthopedics, based in Lawrence, MA. He graduated from Tufts University School of Dental Medicine, receiving his D.M.D. in 1980, and earned his Certificate in Orthodontics at the same institution in 1984. With nearly 25 years of dedicated practice in the Merrimack Valley, Dr. Lem has committed himself to providing exceptional orthodontic care that meets each patient’s specific needs....