Over jet and over bite The overlapping of the maxillary teeth over the mandibular teeth has a protective feature: during opening and closing movements of the jaws,the cheeks, lips,and tongue are less likely to be caught. 4907 学 © G likely to be caughtOver jet and over bite The overlapping of the maxillary teeth over the mandibular teeth has a protective feature: during opening and closing movements of the jaws, the cheeks, lips, and tongue are less likely to be caught. likely to be caught