Abstract: Provided is an area determination method for determining an area corresponding to an object from a three-dimensional model of an oral cavity. The area determination method includes: obtaining the three-dimensional model; determining a seed point on the three-dimensional model; based on the seed point, determining a reference point on the three-dimensional model; determining an area corresponding to an object, by gradually expanding a selection area based on the reference point; and displaying the determined area on the three-dimensional model.

Abstract: The present technology includes a semiconductor memory device. The semiconductor memory device includes a first channel pattern and a second channel pattern each extending in a vertical direction and facing each other, a channel separation pattern formed between the first channel pattern and the second channel pattern and extending in the vertical direction, a stack including conductive patterns each surrounding the first channel pattern, the second channel pattern, and the channel separation pattern and stacked apart from each other in the vertical direction, a first memory pattern disposed between each of the conductive patterns and the first channel pattern, and a second memory pattern disposed between each of the conductive patterns and the second channel pattern.

Abstract: Provided are an intraoral image processing method and an intraoral image processing apparatus. The intraoral image processing method includes obtaining an intraoral image generated by scanning teeth, segmenting teeth of the intraoral image, generating a customized curve based on one or more teeth included in the intraoral image, and obtaining a final position of teeth by arranging teeth segmented from the intraoral image to be aligned with the customized curve.

Abstract: An electronic stethoscope (100) for wearing on a body of a user includes a skin-mountable first circuit (110) includes a micro-electronic microphone (112) coupled thereto. The micro-electronic microphone (112) is configured to sense sounds from the body of the user (10) and to generate an analog signal representative thereof. A skin-mountable second circuit (130) is not contiguous with the first circuit (110), is spaced apart therefrom and includes circuitry that processes the analog signal from the electronic microphone (112). A flexible connector (140) electrically couples the first circuit (110) to the second circuit (130).

Abstract: Disclosed are a novel Streptococcus salivarius (S. salivarius G7, KCCM13161P) strain, a composition containing the same for prevention or alleviation of an oral disease, and oral probiotics, and specifically, the novel Streptococcus salivarius (S. salivarius G7, KCCM13161P) strain can prevent, treat, and alleviate periodontal diseases through strong antibacterial and antiinflammatory activities against periodontal disease-causing strains, prevents, treat, and alleviates dental caries through strong antibacterial activity against dental caries-causing strains and biofilm formation inhibitory ability, and suppress halitosis caused by oral diseases, thereby contributing to oral health improvement.

Abstract: Embodiments of the disclosure relate to an intraoral image processing method and an intraoral image processing apparatus, and the intraoral image processing method according to an embodiment may include obtaining an intraoral image by scanning an object including one or more teeth, generating a first tooth image from the intraoral image, generating, based on the first tooth image and tooth model data, a second tooth image including roots of the teeth, and displaying the second tooth image.

Abstract: An archline optimization method according to the present disclosure includes generating a Spee curve based on an arc of a circle having a predetermined radius of curvature, and changing a three-dimensional archline based on the Spee curve.

Abstract: The present disclosure relates to a data processing method and a data processing device. The data processing method, according to the present disclosure, comprises: generating, based on tooth data, a first arch line which is a spline curve in contact with contours of a plurality of teeth constituting the tooth data; generating, from the first arch line, a second arch line that is different from the first arch line; and moving a target tooth, which is to be moved, among the tooth data toward the second arch line according to an input signal of a user.

Abstract: A composition for manufacturing a polyurethane foam with a low content of volatile organic compounds such as acetaldehyde, and a method of manufacturing a polyurethane foam using the same are disclosed. The composition for manufacturing the polyurethane foam includes a polyol composition having a polypropylene glycol content of 0.1 ppm or less and a propylene oxide content of 16 ppm or less, isocyanate, and a volatile organic compound (VOC) reducing agent. The method for manufacturing the polyurethane foam includes adding raw materials to a reactor to polymerize a polyol composition, removing impurities from the reactor; and obtaining the polyurethane foam from reactants from which the impurities are removed.

Abstract: Disclosed are a semiconductor device and a method of manufacturing the same. More particularly, a semiconductor device and a method of manufacturing the same are disclosed, including a device isolation structure with a pre-DTI structure and/or a DTI structure having at least one corner region with a cut shape/corner or truncation in a plan view, thereby reducing or preventing the occurrence of defects during formation of the device isolation structure and in a subsequent CMP process.

Abstract: Provided are an intraoral image processing apparatus and an intraoral image processing method. In an embodiment, the intraoral image processing method may include obtaining an intraoral image including a tooth, setting an insertion direction of a prosthesis corresponding to the tooth, obtaining an undercut area included in the tooth based on the set insertion direction and the intraoral image, and compensating the undercut area based on the set insertion direction. In an embodiment, the intraoral image processing method may include obtaining an intraoral image including a prosthesis target tooth, generating a prosthesis by applying a preset reference insertion direction to the intraoral image, setting an insertion direction of the prosthesis based on a shape of the prosthesis target tooth, and changing an inner shape of the prosthesis based on the set insertion direction.

Abstract: A method and apparatus for processing an intraoral image are disclosed. The method of processing an intraoral image includes obtaining a first intraoral image including pre-preparation tooth data and a second intraoral image including preparation tooth data, obtaining a margin line based on the preparation tooth data, and automatically recognizing and selecting a prosthesis target tooth from at least one of the first intraoral image and the second intraoral image based on the margin line.

Abstract: The present invention relates to a carbon dioxide capture agent containing two types of amine compounds and a carbon dioxide capture method using the same, by which not only an effective and economically sustainable CO2 capture process can be performed but also an improved reaction rate is achieved.

Abstract: A substrate processing apparatus is provided. A substrate processing apparatus comprising a body portion, a substrate arrangement portion disposed on the body portion, a bonding portion disposed between the substrate arrangement portion and the body portion, connecting the substrate arrangement portion with the body portion, a first hole installed in the substrate arrangement portion, having a first diameter, a second hole installed in the bonding portion, having a second diameter larger than the first diameter, a first edge band installed in the second hole and installed to be in contact with a lower surface of the substrate arrangement portion, a side surface of the bonding portion, and an upper surface of the body portion and a lifting pin installed to extend through the first hole, the second hole and the first edge band.

Abstract: A high voltage semiconductor device includes an isolation region, in which multiple voids are formed in the isolation region along the vertical direction of the isolation region, so that the possibility of cracks occurring in the isolation region is minimized, and thus tungsten (W), etc. is prevented from penetrating into a space created by the cracks in a subsequent process and deteriorating the breakdown voltage characteristics.

Abstract: A data processing apparatus for processing an intraoral model and a method of operating the data processing apparatus are disclosed. The data processing apparatus includes a memory storing one or more instructions, and a processor configured to execute the one or more instructions to, display an intraoral model including one or more teeth, select a target tooth from among the one or more teeth included in the intraoral model, and display transparently an area of the intraoral model included in a transparent processing area located in a screen direction based on a clipping plane located at a predetermined distance from the target tooth in the screen direction.

Abstract: The present technology includes a semiconductor memory device. The semiconductor memory device includes a first channel pattern and a second channel pattern each extending in a vertical direction and facing each other, a channel separation pattern formed between the first channel pattern and the second channel pattern and extending in the vertical direction, a stack including conductive patterns each surrounding the first channel pattern, the second channel pattern, and the channel separation pattern and stacked apart from each other in the vertical direction, a first memory pattern disposed between each of the conductive patterns and the first channel pattern, and a second memory pattern disposed between each of the conductive patterns and the second channel pattern.

Abstract: The present technology includes a semiconductor memory device. The semiconductor memory device includes a first channel pattern and a second channel pattern each extending in a vertical direction and facing each other, a channel separation pattern formed between the first channel pattern and the second channel pattern and extending in the vertical direction, a stack including conductive patterns each surrounding the first channel pattern, the second channel pattern, and the channel separation pattern and stacked apart from each other in the vertical direction, a first memory pattern disposed between each of the conductive patterns and the first channel pattern, and a second memory pattern disposed between each of the conductive patterns and the second channel pattern.

Abstract: Disclosed are a novel Streptococcus salivarius (S. salivarius G7, KCCM13161P) strain, a composition containing the same for prevention or alleviation of an oral disease, and oral probiotics, and specifically, the novel Streptococcus salivarius (S. salivarius G7, KCCM13161P) strain can prevent, treat, and alleviate periodontal diseases through strong antibacterial and antiinflammatory activities against periodontal disease-causing strains, prevents, treat, and alleviates dental caries through strong antibacterial activity against dental caries-causing strains and biofilm formation inhibitory ability, and suppress halitosis caused by oral diseases, thereby contributing to oral health improvement.

Abstract: Disclosed are a semiconductor device and a method of manufacturing the same. More particularly, a semiconductor device and a method of manufacturing the same are disclosed, including a device isolation structure with a pre-DTI structure and/or a DTI structure having at least one corner region with a cut shape/corner or truncation in a plan view, thereby reducing or preventing the occurrence of defects during formation of the device isolation structure and in a subsequent CMP process.