If you have a large gap between your large teeth, it is important to clarify that if the gap is large because of decay or a chip in the tooth itself, it can be filled with filling treatment. If the large horizontal gap is due to gum recession, there is no way to fill it at this time. Mainly because this is a soft tissue defect, if the use of hard materials for filling, on the contrary, will be unfavorable to the gums underneath the stimulating factors, easy to cause acute bleeding or abscess inflammation of the gums. The gap between the big teeth is likely to be caused by some bad oral habits of the patient, such as like to use a toothpick to pick the teeth, if the use of a toothpick often to a certain position to exert excessive force, it is likely to lead to significant resorption of the alveolar bone within the gap, and ultimately lead to the gap become increasingly large.