A large piece of alveolar bone may come out from tooth extraction because of adhesion between the tooth and the bone or excessive force when extracting the tooth, etc. It needs to be analyzed specifically. Tooth extraction with a large piece of alveolar bone, may be due to the teeth and bone have adhesion or grow together, plus the teeth may be blocked teeth, the difficulty of extraction or extraction of excessive force and so on, such a situation generally do not need to worry about, because the alveolar bone has a strong growth capacity, as long as you make sure that there is no damage to the other parts of the upper and lower jaw bone, do a good job in stopping the bleeding, anti-inflammatory treatment can be. Extraction of a large piece of alveolar bone may have other reasons, it is recommended that patients find their own extraction of a large piece of alveolar bone, consult a doctor in a timely manner, improve the relevant examination, to take targeted treatment.