In Which Situations Is It Most Appropriate to Consider the Use

In which situations is it most appropriate to consider the use a speech appliance?

A) When there is severe velopharyngeal insufficiency
B) When the patient has primarily obligatory speech distortions
C) When the child is not stimulable for a reduction in nasality with a change in placement
D) When surgical correction is not an option
E) When the cleft of the palate is very wide