Welcome to North Shore & Brookline Endodontics (NSB Endo). We are specialists in root canal therapy, and our mission is to save your natural teeth. Trusted by Patients & Dentists for over 55 Years At NSB Endo, we honor this trust by providing our patients with prompt attention, superior endodontic care, and respect. We strive to create a relaxed environment, and we take time to consult with each patient to determine his or her needs.