Nine months the baby has not yet teeth may be a normal physiological phenomenon, may also be caused by calcium deficiency, gum abnormalities and other reasons.
1. Normal physiological phenomenon: generally 4-6 months is the baby milk teeth eruption stage, by each baby’s physique is different, the stage of development may also vary, some babies will be earlier, some babies may be a little later, so nine months the baby did not teeth, also belongs to the normal physiological phenomenon, no need to intervene in the treatment, pay attention to observation.
2. Calcium deficiency: usually calcium is an important component of the teeth, when the nine-month-old baby milk teeth eruption later, may be due to calcium deficiency or lack of vitamin D deficiency and other reasons, some children are also accompanied by excessive sweating, occipital baldness, irritability and other symptoms.
3. Gum abnormalities: when the baby long-term use of chewing gums, toys and other items lead to gum thickening, or the formation of gingival fibrous tissue, which may lead to difficulties in the eruption of milk teeth.
In addition, the baby ate a long time to eat a softer texture of liquid food or semi-fluid food, may make the gums lack of chewing stimulation or jawbone development is limited, resulting in the late eruption of milk teeth, parents are advised to take their babies to the doctor for examination in a timely manner, clear reasons for targeted treatment.