论文部分内容阅读
Jasper Jumper is one of the fixed functional appliances.This semielastic fixed functional appliance has the advangtages of allowing jaw movements,patients good cooperation and easy oral hygiene.For many years,a large range of investigations have studied the growth modification by these functional appliances,because to improve the patients facial growth in the treatment of Class Ⅱ malocclusion is the clinicians interest,but there is not any systematic review about skeletal and dental changes with the use of Jasper Jumper have been made.