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Figure 4. Overview of the masticatory system. Ventro-lateral view. Continuous lines: muscle lines of action. Cross-bar: muscle origin. Circle: muscle insertion. MAS_S: superficial masseter. MAS_P: deep masseter. MPT: medial pterygoid. TEM_A: anterior temporalis. TEM_P: posterior temporalis. LPT_S: superior lateral pterygoid. LPT_I: inferior lateral pterygoid. DIG: digastric. GEH: geniohyoid. MYH: mylohyoid. Dots: position of centers of right and left condyle and incisor point.
