Why do teeth missing?

There are many reasons, including genetic and environmental factors. Environmental factors, including congenital and acquired factors. Birth trauma caused by innate factors affecting the growth and development of the fetus in the mother's womb by the mother or the fetus nutritional and metabolic disorders, mothers suffering from rubella or virus infection during pregnancy by trauma or dental instruments childbirth.

Acquired factors is pointed out that students are in the process of growth and development. (1). Diseases: some acute infectious diseases, some chronic wasting disease that may affect the development of teeth and jaw. Endocrine dysfunction, or malnutrition, especially vitamin deficiency may affect the development of the teeth and jaw. (2). Breathing and swallowing dysfunction may affect the development of the teeth and jaw. (3). Bad habits such as biting, bite the upper lip or Oral microbiology and dental implants the Yaoxia Chun habits, Shenshe the tongue habits. (4). of deciduous or mixed dentition. Including deciduous premature loss of deciduous teeth can not afford to delay, the permanent teeth of premature loss of permanent teeth eruption order of disorder can cause teeth missing.