Abstract: The present invention provides a digital dental prosthesis manufacturing method including a first step in which a three-dimensional work image is acquired, the three-dimensional work image including surface information on an inner side of an oral cavity and a target dental arch in which fixtures are placed and occlusion information between the target dental arch and an opposing dental arch; a second step in which a temporary digital dental prosthesis is designed and manufactured; a third step in which the manufactured temporary digital dental prosthesis is installed on the target dental arch; and a fourth step in which a virtual coupling groove, which corresponds to surface information on the corrected coupling region, is set in an inner surface profile, which is set according to surface information on the corrected temporary shape-matching surface that is included in the corrected scan image, and a final digital dental prosthesis is designed and manufactured.

Abstract: The overdenture holder device includes a holder abutment in which a through insertion portion is formed to be opened in both directions of a body portion having a bottom end portion inserted into a top end of the fixture and protruding upward and a fastening hole penetrates along a longitudinal direction and has an inner circumferential side on which a holding step protruding radially inward is formed, a fastening screw having a bottom end portion inserted into the fastening hole to be screw-coupled with the inside of the top end of the fixture and a head portion formed at a top end portion and to be held by the holding step, and a pressurizing device coupled with a top end of the body portion and configured to provide a pressurizing force such that an outer surface of the fixing bar is fixed to an inside of the through insertion portion.

Abstract: Disclosed is a method of manufacturing a digital overdenture. The method includes a first operation of aligning and setting a plurality of pieces of implantation information of fixtures according to alveolar bone information in a planning image, a second operation of designing and manufacturing a surgical guide and a holder abutment mounting guide, a third operation of preparing a temporary denture corrected to form a temporary holder insertion portion having an inner surface part into which a holder device is inserted to be shape-matched therewith, in which the surgical guide is installed in the target arch to implant the fixtures and the fixing bar is fixed to the holder abutments moved to and coupled with top ends of the fixtures by the holder abutment mounting guide, and a fourth operation of manufacturing a digital overdenture including an artificial tooth portion and an artificial gum portion.

Abstract: The present invention relates to a device and method for processing an image for generating a design image based on a reference marker. A method for processing an image for generating a design image based on a reference marker includes receiving, from at least one external device, a computerized tomography (CT) scan image and a plurality of oral scan images related to a person to be treated who has a plurality of reference markers attached to an inside of an oral cavity, generating a registered image by registering the images on the basis of locations of the plurality of reference markers detected from the images, determining, on the basis of the registered image, a teeth profile related to the inside of the oral cavity of the person to be treated, and generating a design image related to the inside of the oral cavity on the basis of the teeth profile.

Abstract: A method of manufacturing an orthodontic digital bracket using a digital library, including: loading an oral scan image and extracting one virtual orthodontic template corresponding to each of tooth images that are virtually adjusted according to a preset consecutive tooth arrangement structure from a digital library; aligning and disposing each of virtual brackets and a virtual wire of the extracted virtual orthodontic template corresponding to the consecutive tooth arrangement structure of each of the tooth images that are virtually adjusted; and designing each of digital brackets configured to include a jig portion assembled with a top of each of the virtual brackets to surround a top of each of the tooth images, and a grip protrusion portion configured to protrude from a top end of the jig portion while being integrated therewith, and three-dimensionally printing each of the digital brackets based on design data.

Abstract: To accurately acquire an image of an inside of an oral cavity of a person to be treated, there is provided a dental retractor including a retracting base portion that includes an inner retracting portion extending in an arch-shaped profile to surround an inner portion of gum at any one side of an upper jaw and a lower jaw inside an oral cavity and having a pressing holding portion formed at an outer peripheral surface so that a tongue is accommodated therein and an outer retracting portion integrally extending from both ends of the inner retracting portion and extending in an arch-shaped profile to surround an outer portion of the gum, and a handle portion including a grip portion connected outward from the retracting base portion.

Abstract: A method of manufacturing digital brackets for orthodontics, including: loading an oral scan image obtained corresponding to an internal profile of an oral cavity of a subject and extracting one virtual orthodontic template corresponding to each of tooth images virtually adjusted according to a preset consecutive tooth arrangement structure from a digital library, aligning and disposing each of virtual brackets and a virtual wire of the extracted virtual orthodontic template corresponding to the consecutive tooth arrangement structure of each of the tooth images, and designing each of digital brackets configured to include a jig portion assembled with a top of each of the virtual brackets to surround a top of each of the tooth images and a grip protrusion portion configured to protrude from a top end of the jig portion while being integrated therewith, and three-dimensionally printing each of the digital brackets based on design data.

Abstract: The present invention relates to a device and method for processing an image for generating a design image based on a reference marker. A method for processing an image for generating a design image based on a reference marker includes receiving, from at least one external device, a computerized tomography (CT) scan image and a plurality of oral scan images related to a person to be treated who has a plurality of reference markers attached to an inside of an oral cavity, generating a registered image by registering the images on the basis of locations of the plurality of reference markers detected from the images, determining, on the basis of the registered image, a teeth profile related to the inside of the oral cavity of the person to be treated, and generating a design image related to the inside of the oral cavity on the basis of the teeth profile.

Abstract: A method of manufacturing an orthodontic digital bracket using a digital library, including: loading an oral scan image and extracting one virtual orthodontic template corresponding to each of tooth images that are virtually adjusted according to a preset consecutive tooth arrangement structure from a digital library; aligning and disposing each of virtual brackets and a virtual wire of the extracted virtual orthodontic template corresponding to the consecutive tooth arrangement structure of each of the tooth images that are virtually adjusted; and designing each of digital brackets configured to include a jig portion assembled with a top of each of the virtual brackets to surround a top of each of the tooth images, and a grip protrusion portion configured to protrude from a top end of the jig portion while being integrated therewith, and three-dimensionally printing each of the digital brackets based on design data.

Abstract: To accurately acquire an image of an inside of an oral cavity of a person to be treated, there is provided a dental retractor including a retracting base portion that includes an inner retracting portion extending in an arch-shaped profile to surround an inner portion of gum at any one side of an upper jaw and a lower jaw inside an oral cavity and having a pressing holding portion formed at an outer peripheral surface so that a tongue is accommodated therein and an outer retracting portion integrally extending from both ends of the inner retracting portion and extending in an arch-shaped profile to surround an outer portion of the gum, and a handle portion including a grip portion connected outward from the retracting base portion.

Abstract: A method of manufacturing digital brackets for orthodontics, including: loading an oral scan image obtained corresponding to an internal profile of an oral cavity of a subject and extracting one virtual orthodontic template corresponding to each of tooth images virtually adjusted according to a preset consecutive tooth arrangement structure from a digital library, aligning and disposing each of virtual brackets and a virtual wire of the extracted virtual orthodontic template corresponding to the consecutive tooth arrangement structure of each of the tooth images, and designing each of digital brackets configured to include a jig portion assembled with a top of each of the virtual brackets to surround a top of each of the tooth images and a grip protrusion portion configured to protrude from a top end of the jig portion while being integrated therewith, and three-dimensionally printing each of the digital brackets based on design data.

Abstract: The present disclosure provides a method for manufacturing a dental implant prosthesis using a digital library, the method including a first step of acquiring a three-dimensional integrated image through image matching of a computerized tomography (CT) image and an oral scan image related to an inside of an oral cavity of a person to be treated, a second step of virtually forming a bored hole according to an implant placement position preset in the three-dimensional integrated image, a third step of calculating a set value on the basis of a depth of the bored hole, a fourth step of extracting a single virtual digital one-body abutment corresponding to the set value, and a fifth step of setting a shape-matching portion inside the crown according to three-dimensional outer shape information of the virtually arranged virtual digital one-body abutment.

Abstract: Provided is a method for manufacturing a surgical guide, and a crown and an abutment in a mouth for a dental implant, including an operation of obtaining a primarily scanned image through scanning of inner and outer surfaces of a denture which has a first image matching groove matched with a patient's tooth implanting portion and in which a plurality of reference markers are attached to an outside, obtaining a secondarily scanned image through oral scanning of upper and lower jaws while the denture is installed, preliminarily matching the secondarily scanned image with the primarily scanned image, obtaining an integrated scanned image considering a vertical dimension by reversing the first image matching groove so that an image of the first image matching groove is dimensionalized from the primarily scanned image, and obtaining a CT image through CT scanning of the upper and lower jaws.

Abstract: A method for providing procedure guide information using a surgical guide for a dental implant, including: causing a computed tomography image and an oral scan image of a patient to acquire a combined three-dimensional image; selecting a fixture corresponding to a preset implant placement position, preparing the surgical guide in which at least one guide hole configured to guide drilling of a hole used to place the fixture is formed, and causing information about the placement of the fixture and information about drilling guidance to be calculated and prepared as information about a procedure report; outputting the procedure report; and delivering the output procedure report according to information about delivery of the surgical guide.

Abstract: Disclosed is a dental implant insertion set including a crown; a fixture which has a hex hole formed therein and of which an insertion angle is set so that the hex hole is aligned corresponding to an arrangement angle of the crown; a guide stent including a stent body formed with a profile set through the three-dimensional procedure guide image to be fixed while covering the periodontal tissue; and an abutment having a hex protrusion formed at a lower portion thereof to be matched with and fixed into the hex hole, such that the crown is aligned and fixed.

Abstract: Disclosed is a method of manufacturing a guide stent of a dental implant. The method includes a first step of obtaining a three-dimensional image of periodontal tissue in a mouth of a patient through an CT scan and a three-dimensional exterior image corresponding to the three-dimensional image through an oral scan; a second step of matching the three-dimensional image and the three-dimensional exterior image through a difference amp which overlaps the three-dimensional image and the three-dimensional exterior image and outputs a matching degree between the images, and obtaining a three-dimensional procedure guide image; and a third step of manufacturing a stent body having a through hole corresponding to a preset implant implantation position according to the obtained three-dimensional procedure guide image.

Abstract: Provided is a method for providing procedure guide information using a surgical guide for a dental implant such that convenience of a procedure using the surgical guide is improved.

Abstract: Disclosed is a root canal filler, which is powdery and is composed of mineral trioxide aggregate including a CaO—SiO2—Al2O3 compound, with a residual CaO content of 0.7 wt % or less. This root canal filler is suitable for use in orthograde canal filling, prevents root fracture from occurring, is of very low impurity so as to exclude components hazardous to the human body, and has the property of being easy to introduce. A method of manufacturing the root canal filler is also provided.