Why bone grafting is needed?
When the teeth lose due to any reason the bone the body develop a tendency of resorbing of surrounding bones, which mean bone is absorbed by the body. Bone can be lost even in the case of periodontal or gum disease. So the loss of too much bone from gums can make you facial feature sag, giving you more aged appearance. So not only to save your appearance but to provide space, to rebuild teeth too with the help of implant, bone grafting is technique is essential.
It helps in Dental Implant as well, as screw needs to placed in a bone to carry the crown. So without proper bone structure, it is not possible for a specialist to do implantation of the tooth. That is why done drafting is used to make gums bone thicker, so that is can work as a strong platform for Dental Implant.