This unit tackles complex and multidisciplinary treatment scenarios in aesthetic and restorative dentistry. Covering tooth surface loss, periodontology, restoration of endodontically treated teeth, and the orthodontic restorative interface, this unit aims to equip dentists with the competencies to handle complex cases involving multiple dental disciplines.   Unit 5 includes the following teaching modules:   Module 17: Tooth Surface Loss. Module 18: Periodontology. Module 19: Restoration of Endodontically Treated Teeth. Module 20: Orthodontic Restorative Interface.