146 results about "Anterior teeth" patented technology

An Orthodontic teeth positioning appliance comprising an anterior positioning component, a posterior component and a resilient means connecting the anterior and posterior components. The anterior positioning component is configured to be in contact with, in order to push against, the lingual faces of a plurality of anterior teeth, when worn by the user and the posterior component is configured to be anchored to at least one posterior tooth, when worn by the user in order that the resilient means urges apart the anterior positioning component from the posterior component. The appliance is preferably removable by the user.

An intraoral mandibular advancement device to treat sleep disorders in a user having an obstructed airway includes a maxillary appliance with a main body for removable attachment to the maxillary teeth; a protrusive element distending from the central portion of the main body; and retention means extending from the main body for retention of the device on the maxillary teeth during sleep. A mandibular appliance removably attaches to the mandibular anterior teeth and includes a lingual spacer that extends posteriorly from the mandibular anterior teeth. The anterior aspect of the protrusive element of the maxillary appliance contacts the posterior edge of the lingual space and thereby causes mandibular advancement.

A method and a device for effecting the cordless retraction of the gingival sulcus tissue prior to the taking of an impression of a tooth for making a crown or bridge which is attained by controlling any bleeding in the gingival sulcus area, and utilizing a dental dam preferably formed of a sponge or foam like material to contain an astringent fortified silicone impression material embedded about the prepared tooth, and using the patient's biting force to apply the necessary pressure onto the dam until the silicone impression material sets and adheres to the dam to enhance easy removal of the set impression material from the tooth. The dam is formed to accommodate either the posterior teeth or the anterior teeth.

A device for creating interproximal contacts of restorations placed between posterior and anterior teeth comprising a single or plurality of dental inserts which is sized and dimensioned and can be inserted into unset restorative material and compacted so as to exert lateral forces in the interproximal areas of tooth preparations thereby creating tight anatomical and functional interproximal contacts. A method of use of said dental inserts is also described.

In the holder set for digital sensors for dentistry, the holders for each kind of radiograph such as periapical radiographs of front teeth (anterior teeth) and lateral teeth (posterior teeth), on one hand, and bitewing radiographs, on the other hand, can be used for all sensor formats, the sensors being seized in the respective holders in a self-centered manner by two arms independently of their format.

Theinvention discloses an invisible mandibular advancement orthotic method and an invisible orthotic apparatus based on same. The invisible mandibular advancement orthotic method comprise the following steps of acquiring related conditions of to-be-treated teeth; determining a target advancement position of a maxilla and a target advancement position of a mandible; according to a target distance of mandibular advancement relative to maxilla advancement, advancing the mandible from an initial position of the mandible to the target position of the mandible through a plurality of steps; according to tooth arrangement conditions, adjusting and controlling each tooth in an tooth arch in a three-dimensional direction including a horizontal direction, a vertical direction and a sagittal direction; determining a target position to which a first molar of the maxilla moves to according to a target distance of mandible advancement; and moving the first molar of the maxilla from an initial position to the target position. The invisible orthotic apparatus comprises an invisible orthotic three-dimensional dental brace, a mandibular advancement slant tooth fit pad, and an anterior tooth press down auxiliary guide board. The invisible mandibular advancement orthotic method and the invisible orthotic apparatus based on the method can advance the mandible and push distal molar movement simultaneously, and improves the orthotic efficiency of angle class II malocclusion cases.

The present invention relates to methods for the restoration of a decayed portion of an anterior tooth or re-restoration of a previously filled anterior tooth, and to dental matrices and composite resin dispensers that may be used in the methods for the restoration of a decayed portion of an anterior tooth

The invention provides an invisible appliance which comprises a single-jaw appliance and/or a double-jaw appliance. The single-jaw appliance comprises a maxillary tooth socket and a functional auxiliary part, and the double-jaw appliance comprises a double-jaw tooth socket and a functional auxiliary part. The double-jaw tooth socket comprises an upper jaw tooth socket, a lower jaw tooth socket anda connecting occlusal plate, the functional auxiliary part is selected from at least one of a palatal side plate, a lingual guide wing, an anterior tooth occlusion opening assembly and an extraoral traction assembly, and the anterior tooth occlusion opening assembly comprises a gingival margin bulge and a stress application pad; the extraoral traction assembly comprises an outer side tube and anextra-oral traction bow, and all parts are made of transparent or semi-transparent materials, so that the appliance is invisible. The appliance has a wide clinical application range, is suitable for malocclusion deformity of bone surface type II malocclusion and mild type III and can provide an efficient correction force system in the three-dimensional direction and especially greatly improve thecorrection efficiency in the vertical direction.

A mandible repositioning appliance is provided comprising an anterior member adapted to receive anterior teeth; first and second posterior members, each adapted to receive posterior teeth, wherein each posterior member comprises an occlusal pad support; and a positioning guide formed between the anterior member and each of the first and second posterior members, wherein said guide functions to position the user's mandible into an anatomically correct position achieved when each positioning guide is in position resting between the third and fourth upper and lower anterior teeth when the appliance is in place in the user's mouth.

The invention relates to a manufacturing method for a stable occlusal plate in dental medical treatment and particularly relates to a method for synchronous realization of one-step lamination and the forming of an occlusal surface of a stable occlusal plate. The method comprises the following steps: firstly, taking a die; secondly, transferring a centric relation; thirdly, racking; fourthly, filling an undercut; fifthly, filling a clearance; sixthly, pressing a film; seventhly, cutting and polishing; and eighthly, finishing. According to the method disclosed by the invention, the forming of the occulusal surface is finished while one-step lamination is realized, and thus the simplicity in operation is realized; the occlusal surface is made of homogeneous resin film material and is smooth and durable; a patient feels more comfortable when wearing the stable occlusal plate for the first time, compared with a stable occusal plate manufactured by using a conventional method, and has no front-tooth extrusion and pain feeling. Through 82 cases of clinical application for three years, the stable occulusal plate is favorable in effect.

A patient's smile is improved by photoimaging the patient's smile and scanning the patient's anterior teeth and associated soft lip structure to obtain sets of data mapping the patient's anterior teeth and associated soft tissue structure. The photo image is used to create a desired smile image which is then used to amend the data map of anterior teeth to a substantially identical resultant image which is then used to mill temporary and permanent prosthesis

The present invention relates to methods for the restoration of a decayed portion of an anterior tooth or re-restoration of a previously filled anterior tooth, and to dental matrices and composite resin dispensers that may be used in the methods for the restoration of a decayed portion of an anterior tooth.

In case of straight driver (100), The entrance of screw inserting hole of Implant prosthesis is on the same line with implant fixture's axis. Due to this position of the hole, final prosthesis has many difficulties. Thus. I invented the free angled driver (301). For maxillay anterior teeth, we can move the screw hole to lingual surface of prosthesis (511). we can make esthetic and convenient prosthesis with capability of easy screwing and unscrewing. Also. I invented the free angled hole abutment (300) for the free angled implant driver (301), so we can move occlusal hole to the ideal position. It is an epoch-making change to solve many problems in the contemporary dental implant prosthetics.

This invention is directed to a dental instrument and the use of this dental instrument to measure deposits and other imperfections on a tooth surface. The dental instrument has an elongated portion and on at least one end a general curvature portion. The general curvature portion will have the general curvature of a posterior tooth or an anterior tooth. Preferably it also will be marked with measured segments. By placing the general curvature portion against a tooth a deposit or imperfection on a tooth can be measured. In a preferred embodiment the dental instrument will have a general curvature portion in each end; the general curvature on one end being for posterior teeth and the general curvature on the other end being for anterior teeth. When measuring plaque and related deposits a dye solution can be used to make the deposit more visible.

An area-specific dental instrument is provided, which comprises an arcuate S-shaped shank and an arcuate blade further comprising a sharpened convex surface. This instrument can be capable of cleaning plaque and calculus from the lingual surfaces of anterior teeth and concave surfaces between teeth at the cemento-enamel junction.