Abstract
Background In maxillofacial fields, concave deformity often requires hard tissue augmentation. Various types of materials are used for facial augmentation: Hydroxyapatite is the most ideal material because of its remarkable biocompatibility and ability to maintain the desired form for a long period. This article describes a simple surgical procedure to augment facial concavity with porous hydroxyapatite block (pHA-B) and its clinical applications and potential complications.
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