Abstract
A ne w type of speech appliance was invented for effective speech therapy and prevention of misarticulation in cases of various types of velopharyngeal incompetence. The new appliance (Bulb-PLP)' has both advantages of speech bulb for the velopharyngeal function and of palatal lift prosthesis for the velum function. Procedures and adjustment are described in detail. The adaptability of the appliance in the physiological or anatomical environment is also discussed. The authors recommend the new appliance (Bulb -PLP) described here as a very effective approach to the speech problems in various types of velopharyngeal incompetence.
