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Ridge augmentation is a dental procedure used in re-creating a jawbone that may have been lost due to tooth extraction, or any other dental condition. The procedure is usually carried out after tooth extraction. Actually, the jawbone consists of the alveolar bone and the alveolar ridge that surround the roots of teeth. When a tooth is removed, an empty socket remains in the alveolar ridge, and this will heal naturally, filling up with new jawbone and gum tissue. However, sometimes the alveolar ridge is too fragile and thin to heal properly on its own and will continue to lose bone. In most cases, the height and width of the alveolar ridge will gradually decrease. This can create problems with facial appearance, and may also affect any future dental implant. Hence, ridge augmentation can be initiated to recreate the jawbone and put it back to the right position. ==Why ridge augmentation is necessary== Ridge augmentation is often carried out to provide better functional and esthetic restorations in the esthetic zone. It also allows for future implant replacement. It is very necessary for the success of dental implant since it can help in increasing the height and width of the jaw bone. Usually, dental implants should be surrounded by a certain amount of healthy and strong bone, and a ridge augmentation can help rebuild the alveolar ridge to support the implant. Ridge augmentation can be carried out immediately after the tooth is removed through placing bone graft material in the empty tooth socket. Afterwards the gum tissue is secured over the socket and graft with stitches.〔 Ridge augmentation is usually allowed to heal and mature between six and 12 months before the dental implants can be placed, although sometimes the implant will be placed at the same time.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Ridge augmentation」の詳細全文を読む スポンサード リンク
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