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137 results about "Bite plates" patented technology

Bite plates are orthodontic appliances that some dental patients have to keep in their mouths all day. Dentists advise these patients that it could take a few days to learn how to eat and talk well with their bite plates.

Device for collection and assay of oral fluids

A device for collecting and transporting aqueous fluid from the oral cavity to a lateral chromatographic strip for test is disclosed. The lateral chromatographic strip is placed within and extend along a cavity defined in a housing. At least one inspection site to the lateral chromatographic strip is provided to enable inspection of selected sites on the lateral chromatographic strip for test results. A porous wick material protrudes from the housing to a collection site exterior of the housing at one end and communicates to the lateral chromatographic strip at the other end. The porous wick material has particulate construction, the particles adsorbing aqueous oral fluid to transport the fluid from the mouth to the lateral chromatographic strip without substantial absorption. The particles of the porous wick material are bound together to define a continuous interstitial volume for the flow of oral fluid to be transported and are treated to be hydrophilic to the adsorbed oral fluids. The porous wick material readily releases oral fluid to the lateral chromatographic strip. Prevention of reverse flow to the oral cavity from the lateral chromatographic strip naturally occurs due to the circuitous flow path of the porous wick material. A bite plate is coupled to the housing and insertable between the teeth of the patient to position the porous wick in the oral cavity for collecting the oral fluid. The bite plate is typically held in place by the occlusal force of the teeth, preferably the molars and/or the bicuspids, to position the porous wick in the buccal space. By observing the lateral chromatographic strip while the test device is in the mouth immediate test results are obtained.
Owner:ORASURE TECHNOLOGIES

CT (computerized tomography) and CBCT (cone beam computerized tomography) fusion data based digital occlusion guide plate and reconstruction method thereof

The invention belongs to the field of maxillofacial plastic medical instruments, and in particular relates to a CT (computerized tomography) and CBCT (cone beam computerized tomography) fusion data based digital occlusion guide plate and a reconstruction method thereof. The guide plate has a horseshoe-shaped body, and the guide plate body is provided with a guide plate upper jaw surface, a guide plate lower jaw surface, a guide plate lip outer side and a guide plate lip inner side, wherein the guide plate upper jaw surface and the guide plate lower jaw surface are provided with a groove respectively, and the shape of each groove is fit with the shape of a corresponding tooth crown. Aiming at the difficulty of reconstructing an occluding relation and the problems that the surgical precision of a conventional model needs to be improved and the like, a CBCT and spiral CT fusion data based virtual occlusion reconstruction method, by simulating operative reduction, virtually reconstructing the occluding relation, designing an occluding plate, recording the occluding relation and performing 3D printing to generate a guide plate real object, is used for operatively reconstructing the occluding relation, reducing the operation difficulty, shortening the operation time, ensuring the operation effect, and improving the reconstruction precision.
Owner:SICHUAN UNIV

Digitized template used for orthognathic surgery and manufacturing method thereof

A digitized template used for orthognathic surgery comprises an occlusal splint, a maxilla left positioning plate, a maxilla right positioning plate, a maxilla left side connecting piece and a maxilla right side connecting piece; or comprises an occlusal splint, a chin left positioning plate, a chin right positioning plate, a strip body of which the two ends are respectively connected with the chin left positioning plate and the chin right positioning plate, a chin left side connecting piece and a chin right side connecting piece; or comprises an occlusal splint, a maxilla left positioning plate, a maxilla right positioning plate, a maxilla left side connecting piece, a maxilla right side connecting piece, a chin left positioning plate, a chin right positioning plate, a strip body of which the two ends are respectively connected with the chin left positioning plate and the chin right positioning plate, a chin left side connecting piece and a chin right side connecting piece, wherein the occlusal splint comprises a main plate, a left wing plate connected with the left front side of the main plate, and a right wing plate connected with the right front side of the main plate; all the components are designed through software, and manufactured by adopting a rapid forming method.
Owner:SICHUAN UNIV

Novel oral cavity orthodontic appliance

The invention provides a novel oral cavity orthodontic appliance, wherein the appliance comprises a tooth socket body, and a orthodontic bench is arranged on the tooth socket. The orthodontic bench is arranged on a lingual side of incisors or a lingual sides of incisors and canine teeth of the tooth socket body, and comprises a contact surface and a holding surface, wherein one end of the contact surface is connected with the tooth socket body, the other end of the contact surface is connected with the holding surface, and the orthodontic bench is a plat bench or a sloping bench, when the orthodontic bench is a plat bench, the contact surface matches with a occlusalf surface of maxillary-mandibular teeth, when the orthodontic bench is a sloping bench, the contact surface is in parallel with a lingual side of the a occlusalf surface of maxillary-mandibular teeth, or the contact surface and the a occlusalf surface of maxillary-mandibular teeth form an included angle. According to the invention, an ordinary tooth socket and a flat bite plate or an inclined bite plate are integrated into one body to replace the clasp and the flat bite plate or the inclined bite plate with adjacent hook-type retention. The appliance provided in the invention enlarges indication scope of orthodontic invisable aligner technique, and the appliance can be applied in a bracket treatment system. The appliance has characteristics of comfortable wear, transparentness and beautiful look, and is made of an elastic polymer material. The appliance can give continuous elastic force to the tooth that needs to be intruded or led, so that the orthodontic effect is better.
Owner:XIAN HENGHUI TECH

Device for collection and assay of oral fluids

A device for collecting and transporting aqueous fluid from the oral cavity to a lateral chromatographic strip for test is disclosed. The lateral chromatographic strip is placed within and extend along a cavity defined in a housing. At least one inspection site to the lateral chromatographic strip is provided to enable inspection of selected sites on the lateral chromatographic strip for test results. A porous wick material protrudes from the housing to a collection site exterior of the housing at one end and communicates to the lateral chromatographic strip at the other end. The porous wick material has particulate construction, the particles adsorbing aqueous oral fluid to transport the fluid from the mouth to the lateral chromatographic strip without substantial absorption. The particles of the porous wick material are bound together to define a continuous interstitial volume for the flow of oral fluid to be transported and are treated to be hydrophilic to the adsorbed oral fluids. The porous wick material readily releases oral fluid to the lateral chromatographic strip. Prevention of reverse flow to the oral cavity from the lateral chromatographic strip naturally occurs due to the circuitous flow path of the porous wick material. A bite plate is coupled to the housing and insertable between the teeth of the patient to position the porous wick in the oral cavity for collecting the oral fluid. The bite plate is typically held in place by the occlusal force of the teeth, preferably the molars and / or the bicuspids, to position the porous wick in the buccal space. By observing the lateral chromatographic strip while the test device is in the mouth immediate test results are obtained.
Owner:ORASURE TECHNOLOGIES

Device for collection and assay of oral fluids

A device for collecting and transporting aqueous fluid from the oral cavity to a lateral chromatographic strip for test is disclosed. The lateral chromatographic strip is placed within and extend along a cavity defined in a housing. At least one inspection site to the lateral chromatographic strip is provided to enable inspection of selected sites on the lateral chromatographic strip for test results. A porous wick material protrudes from the housing to a collection site exterior of the housing at one end and communicates to the lateral chromatographic strip at the other end. The porous wick material has particulate construction, the particles adsorbing aqueous oral fluid to transport the fluid from the mouth to the lateral chromatographic strip without substantial absorption. The particles of the porous wick material are bound together to define a continuous interstitial volume for the flow of oral fluid to be transported and are treated to be hydrophilic to the adsorbed oral fluids. The porous wick material readily releases oral fluid to the lateral chromatographic strip. Prevention of reverse flow to the oral cavity from the lateral chromatographic strip naturally occurs due to the circuitous flow path of the porous wick material. A bite plate is coupled to the housing and insertable between the teeth of the patient to position the porous wick in the oral cavity for collecting the oral fluid. The bite plate is typically held in place by the occlusal force of the teeth, preferably the molars and / or the bicuspids, to position the porous wick in the buccal space. By observing the lateral chromatographic strip while the test device is in the mouth immediate test results are obtained.
Owner:ORASURE TECHNOLOGIES
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