Micrognathia is the medical term which describes the abnormal jaw. In this condition, the jaw is very small and lower in position. This position gives so many disturbances to the new born while feeding. The infants need some other special assistance for proper feeding. This problem needs no special treatment. It simply corrects automatically when the infants growth. Medical assistance is essential when your child face serious difficulties while feeding. Otherwise, there is no need of hospitality care. Heredity is one such reason for this condition. The some other possible reasons are Pierre robin syndrome, hallerman streiff syndrome, progeria, seckel syndrome, Marfan syndrome, etc. Micrognathia interfere the formation of teeth. The teeth are formed in the abnormal position and in abnormal shape for the affected persons.