To provide a periodontal disease diagnosis support apparatus and a method for the same, which can obtain quantified/digitized criteria for examination for making it possible to objectively determine the degree of progress of periodontal disease in examination for periodontal disease, and which can significantly improve the examination property and safety of the examination, as well as can significantly improve the objectivity of diagnosis.SOLUTION: The periodontal disease diagnosis support apparatus includes: a tooth part shape detecting section for detecting a tooth part shape including at least the position of the apex of alveolar bone from a dental image photographed by an imaging device； and an alveolar bone resorption degree calculating section for calculating the degree of alveolar bone resorption using information on the detected tooth part shape including the apex of alveolar bone.SELECTED DRAWING: Figure 2【課題】歯周病診察において、歯周病の進行度を客観的に判断できる定量化・数値化された診察判断基準を得ることができ、検査性と安全性を格段に向上させつつ、診断の客観性をも格段に向上させることの可能な歯周病診断支援装置及びその方法を提供すること。【解決手段】本発明に係る歯周病診断支援装置は、撮像装置によって撮影された歯科画像から、少なくとも歯槽骨頂部の位置を含む歯部の形状を検出する歯部形状検出部と、検出された歯槽骨頂部を含む歯部の形状の情報を用いて歯槽骨吸収度を算出する歯槽骨吸収度算出部とを具備して構成される。【選択図】図２
