Introduction: Micrognathia, also known as mandibular hypoplasia, is a condition where the lower jaw is undersized. This can affect feeding, breathing, and dental alignment in infants and children. Lower jaw deficiency is fairly common in infants and may resolve on its own as the child grows. What is Lower Jaw Deficiency? Lower jaw deficiency, also known as mandibular deficiency or retrognathic mandible , occurs when a child's lower jaw does not grow forward properly relativ
