How can we ensure the health of abutment teeth when designing a removable partial denture?

ASSIGNMENT QUESTION :

How can we ensure the health of abutment teeth when designing a removable partial denture?

Note: you should include an introduction and a conclusion section. You must also include diagrams, tables and legends and figures to support your points. And references have to be recent for example some 2015,2016 not more than 8 years