The lower jaw plays an important role in the protection of airway, tongue support, lower dentition as well as muscles of the floor of the mouth involved in mastication, word articulation deglutition and respiration.As well as in the contour of the facial lower third, loss of mandibular continuity produces cosmetic and functional deformities due to the formation of the scar in the wound as well as contraction in masticatory muscles.
La mandíbula desempeña un papel importante en la protección de la vía aérea y en el soporte de la lengua, la dentición inferior y los músculos del piso de la boca, que permiten la masticación, articulación de las palabras, deglución y respiración.