Periodontal Hygiene Sextant model is a three tooth model built into a base. The recession and roots exposure. You can place a rubber band around the teeth to simulate tissue and calculus can be placed onto the model as well. Customize your model with those features to practice probing, scaling and other skills you want to refine. Excellent for Dental Schools students techniques practicing, training, dental offices for patient's demonstrations and also for legal presentations. Recession in middle tooth exposes the roots, Used for: Periodontal Practicing, Cleaning calculus, Probing, Scaling