A method and system are provided for providing patient data useful for dental procedures, including scanning a dental structure of a patient when coupled to a geometric structure to provide a virtual model representative of the coupling and the dental structure, and relating the virtual model to a body reference of the patient.本發明提供用於提供可用於牙科程序之患者數據之方法及系統,其包括掃描患者之與幾何結構聯接之牙體結構以提供代表聯接器及牙體結構之虛擬模型,及使該虛擬模型與該患者之身體參照物相關聯。100...呈面弓裝置形式之幾何結構200...系統210...輸入介面或模塊220...輸出器件或顯示構件或模塊230...電腦處理單元或模塊240...記憶體250...掃描儀260...電腦系統