Retention, Stability and Support Definitions

Question 1

What is support?

Answer 1

• this is resistance to displacement towards the oral tissues on function
• resistant to displacement towards the ridge

Question 2

What is retention?

Answer 2

this is resistance to displacement away from the soft tissues /ridge

• resistance to vertical pulling forces

Question 3

What is stability?

Answer 3

• resistance to horizontal and rotational forces (e.g. tongue, cheek)