This invention proposes a method for fabricating an immediate digital
implant guide, comprising: S1: acquiring a patient's
dental impression and taking CBCT images; S2: identifying the positioning
anchor point information on the
CBCT image, registering it with the positioning
anchor point coordinates of the dental model tray, placing the simulated
implant according to the
missing tooth location, and obtaining its spatial coordinate position information; S3: pouring quick-setting plaster to fabricate a plaster positive mold; S4: fixing the plaster positive mold onto a guide ring placement device, calculating the movement parameters of each axis of the guide ring placement device, and operating the guide ring placement device to move the guide pin and plaster positive mold to the required positions and angles respectively; S5: curing the guide ring onto the surface of the plaster positive mold using
light curing, removing the guide pin, fabricating a film on the surface of the plaster positive mold, shaping and trimming,
polishing, and sterilizing before use. This method improves the implantation accuracy and is simple, fast, economical, and practical. This invention also proposes a corresponding coordinate transformation mold and guide ring placement device.