Orthodontic space closure and the Bolton ratio | AGD code 370 Current Status Not Enrolled Price $5 Get Started Take this Course Educational Objectives: Know what is a Bolton ratio. Know what is the ideal Bolton ratio for both anterior and full arch. Know why the Bolton analysis is important for Orthodontic and Invisalign cases. Know how to decide to treat an orthodontic case with excessive spaces. *ADA CERP Notes: Course release date: 5/01/2018, Course expiration date: 5/02/2021. Course Content Expand All Orthodontic space closure and the Bolton ratio | AGD code 370 1 Quiz Expand Lesson Content Orthodontic space closure and the Bolton ratio | AGD code 370 Course Evaluation 1 Quiz Expand Lesson Content Course Evaluation Form Login Accessing this course requires a login, please enter your credentials below! Username or Email Address Password Remember Me Forgot Password? Lost Your Password? Register Don't have an account? Register one! Register an Account Username Email Registration confirmation will be emailed to you.