Objective To realize the basic traits of malocclusion in the areas of staple food with battercakes,and to explore the correlation between the occurrence of lingual tipping deep overbite and eating habit of staple food with battercakes,further to underlie the etiological research in order to facilitate its prevention,clinical diagnosis and treatment for lingual tipping deep overbite. Methods Based on the standard of individual normal occlusion and Angle classification,investigation form was uniformly designe...