168 results about "Lingual surface" patented technology

An orthodontic appliance is provided for controlling positioning of a patient's teeth. The appliance includes at least one dental encasing component formed to overlay at least one of the patient's teeth and at least a portion of a palate of the patient. The at least one dental encasing component has a lingual surface and a labial surface. The appliance also includes at least one rigid component fused to an entire length of the lingual surface of the at least one dental encasing component and over a portion of the at least one dental encasing component overlaying a portion of the palate of the patient.

Disclosed is a system and method for treating mal-alignment of teeth using super-elastic nickel titanium, heat activated nickel titanium coated or uncoated orthodontic wires with composite resins in order to effectuate desired tooth alignment. The composite resin is formed into beads that hold the wire in place preferably on the lingual surface of the teeth. Alternate embodiments using composite brackets are disclosed. The overall purpose of this invention is to provide a close contact, low profile orthodontic system, in particular, a lingual orthodontic system that is significantly more comfortable than existing orthodontic systems, completely concealed and effective.

A removable orthodontic appliance and methods of use and manufacturing of the removable orthodontic appliance for repositioning teeth of an upper jaw or lower jaw are provided. The removable orthodontic appliance comprises a trough shaped arch tray that defines an interstitial space between the sides of the arch tray for accommodating the teeth. The arch tray form fits over the contours of the teeth of the upper jaw or lower jaw from a first molar region through a second molar region. The arch tray extends down the teeth on a labial surface and a lingual surface of the teeth to the gingival areas. One or more arch wires are infused and rigidly anchored within the lingual side of the arch tray. Each of the arch wires comprises a surface pre-infused with a polymeric material for rigidly bonding to the lingual side of the arch tray.

According to one embodiment of the invention, a self-ligating orthodontic bracket apparatus has a body with an archwire slot, a lingual surface for mounting to a tooth and a guide track. The body and guide track form facing surfaces. A clip is engaged between the facing surfaces and is slideably movable in the guide track between an open position such that the archwire slot can receive an archwire and a closed position in which the clip can retain the archwire in the slot. The clip is dimensioned to extend the entire length and height of the slot in the bracket when in the closed position.

An oral sleep apnea device is a dental appliance designed to advance the lower jaw of a user suffering from sleep apnea while reducing lingual discomfort and the risk of harmful tooth movement and rotation during use. The present invention accomplishes this through the use of a maxillary and a mandibular dental plate coupled to the upper and lower jaw, respectively, without direct contact with the incisal or labial surfaces of the anterior teeth. Both appliances comprise a lingual surface mount. The maxillary dental plate comprises an advancement mechanism. The advancement mechanism being operatively engaged to the mandibular dental plate repositions the mandibular plate to a forward location relative to the maxillary dental plate. During the repositioning of the mandibular dental plate the mandibular lingual surface mount distributes pressure evenly to the lingual surfaces on the lower jaw, reducing localized pressure points which can cause tooth movement.

A powered, mechanical teeth cleaning device having two lines of rotating brushes is disclosed. The brushes rotate inwardly from each side, giving a cleaning effect on both buccal and lingual surface of the tooth from the gum tissue to the tooth direction. A protective shield for minimizing tissue irritation, a guiding stop for proper tooth positioning and a brush direction-of-rotation switch are included.

An aesthetic, partially removable orthodontic appliance is described, including a polymeric body that conforms to the lingual soft tissue and at least one wire member extending from the polymeric body. Each wire member releasably engages with a respective anchor that is, in turn, connected to the lingual surface of a respective tooth when the polymeric body is moved in a generally gingival direction into abutting relationship with the lingual soft tissue. Other features of the appliance include self-guiding magnetic couplings and couplings based on interlocking mechanical structures that provide releasable engagement between the removable section and the anchors, as well as related methods for making and using the same.

A method of bleaching a plurality of adjacent teeth is disclosed. The teeth having facial and lingual surfaces. The method includes applying a tooth bleaching delivery system to a plurality of adjacent teeth, wherein the tooth bleaching delivery system includes a strip of material and a tooth bleaching composition having a peroxide active.

An aesthetic, partially removable orthodontic appliance is described, including a polymeric body that conforms to the lingual soft tissue and at least one wire member extending from the polymeric body. Each wire member releasably engages with a respective anchor that is, in turn, connected to the lingual surface of a respective tooth when the polymeric body is moved in a generally gingival direction into abutting relationship with the lingual soft tissue. Other features of the appliance include self-guiding magnetic couplings and couplings based on interlocking mechanical structures that provide releasable engagement between the removable section and the anchors, as well as related methods for making and using the same.

The invention describes is a self-ligating bracket for use in orthodontics having a base (1); a support (4) arranged on the base (1); an occlusal wall (6) with at least one occlusal ligature wing (9) extending from the support (4); a gingival wall (5) with at least one gingival ligature wing (8) extending from the support (4); a slot (7) separating the occlusal wall (6) and the gingival wall (5) one from the other and extending continuously in the mesial-to-distal direction; a second slot (18) which extends continuously through the support (4) in the gingival-to-occlusal direction, and which is limited by a lingual surface (19) and by a labial surface (6a); and a resilient clip (25) having a labial leg (27) and a lingual leg (26) that are connected one to the other by an occlusal section (28); the lingual leg (26) being received in the second slot (18) and being arranged for displacement in the slot in the gingival-to-occlusal direction between a closed position in which the labial leg (27) extends into a recess (24) in the gingival wall (5) and an open position of the clip (25) in which the tip of the labial leg (27) rests on the occlusal wall (6). A tongue (30), directed toward the occlusal wall (6), is cut out from the lingual leg (26) of the clip (25) and is bent off in the labial direction so that an acute angle is enclosed between the tongue and the lingual leg (26) of the clip (25).

In one embodiment, a pre-engaging orthodontic bracket includes a body having a lingual surface for attachment to a tooth, a pair of laterally spaced gingival tie wings and a pair of laterally spaced occlusal tie wings. The gingival and occlusal tie wings project from a labial surface of the body. An archwire slot extends mesiodistally across the body and between the gingival and occlusal tie wings at opposed mesial and distal sides of the body to accommodate an archwire. A pivot pin extends between a pair of the tie wings at opposed mesial and distal sides of the body. A shutter is moveable relative to the body between an open position in which placement and removal of an archwire into the archwire slot is facilitated and a closed position in which placement and removal of an archwire into the archwire slot is inhibited.

An intraoral mandibular advancement device to treat problems associated with sleep disorders in a user having an obstructed airway, the disorders including, without limitation, snoring, obstructive sleep apnea, gastroesophageal reflux disease and / or bruxism having a main body for attachment to the user's mouth and having a central portion; a protrusive element distending from the central portion of the main body such that when worn by the user the element causes mandibular advancement sufficient to expand the oropharangeal space and reduce the obstruction; and a retainer extending from the main body for retention of the device in the user's mouth when worn during the user's sleep state. The main body is either complimentary with the user's palate and lingual surfaces of the maxillary teeth, rests against the palate and lingual surface of the user's anterior mandibular teeth when the device is inserted in the user's mouth, or customized to rest against two, four or six of the user's front teeth. The protrusive element is of distension between 5 and 15 mm, and optimally 10 mm downwardly from the main body, and can be adjusted such that the advancement ranges between 1.0 and 7.0 mm, and having an initial treatment protrusion of 3.0 to 4.0 mm, or ½ of the total potential maximum protrusive range. A method for diagnosis and delivery of the device is also shown.

A device for obtaining dental measurements to determine a patient's occlusal vertical dimension and centric relation position where these dental measurements are used to make dentures for the patient; and for obtaining dental measurements for balancing a patient's dentures and methods for making these dental measurements with the device. The device comprises a contact plate, a post, a ball nut, and a striking plate, where the combination of the contact plate being attached to the central lingual surface of the lower base plate, the ball nut being swivelably attached in a tapered opening in the contact plate, the post being adjustably secured to the ball nut; and the striking plate being attached to the central lingual surface of the upper base plate, are received in the mouth of the patient such that they cooperate with each other to obtain dental measurements including, but not limited to, occlusal vertical dimension, centric relation position, or measurements for balancing a patient's dentures.

A detachable orthodontic bracket and wire system includes bracket bases, brackets, and an arch wire for guiding alignment of teeth. The bracket bases are positioned on a lingual surface and / or a facial surface of the teeth. Each bracket base includes a first surface, a second surface, and at least one first interlocking element. The first surface is rigidly attached to the lingual surface and / or the facial surface of the teeth. The second surface opposes the lingual surface and / or the facial surface of the teeth. The first interlocking element is attached to and positioned in a direction substantially perpendicular to or parallel to the second surface of each bracket base. The brackets include at least second interlocking element that interlocks with the first interlocking element. The arch wire is inserted through a slot channel of each bracket. The bracket and the arch wire are infused and rigidly anchored within enclosing layers.

The invention is a self-ligating bracket for use in orthodontics having a base (1); a support (4) arranged on the base (1); an occlusal wall (6) with at least one occlusal ligature wing (9) extending from the support (4); a gingival wall (5) with at least one gingival ligature wing (8) extending from the support (4); a slot (7) separating the occlusal wall (6) and the gingival wall (5) one from the other and extending continuously in the mesial-to-distal direction; a second slot (18) which extends continuously through the support (4) in the gingival-to-occlusal direction, and which is limited by a lingual surface (19) and by a labial surface (6a); and a resilient clip (25) having a labial leg (27) and a lingual leg (26) that are connected one to the other by an occlusal section (28); the lingual leg (26) being received in the second slot (18) and being arranged for displacement in the slot in the gingival-to-occlusal direction between a closed position in which the labial leg (27) extends into a recess (24) in the gingival wall (5) and an open position of the clip (25) in which the tip of the labial leg (27) rests on the occlusal wall (6). A tongue (30), directed toward the occlusal wall (6), is cut out from the lingual leg (26) of the clip (25) and is bent off in the labial direction so that an acute angle is enclosed between the tongue and the lingual leg (26) of the clip (25).

A removable orthodontic appliance and methods of use and manufacturing of the removable orthodontic appliance for repositioning teeth of an upper jaw or lower jaw are provided. The removable orthodontic appliance comprises a trough shaped arch tray that defines an interstitial space between the sides of the arch tray for accommodating the teeth. The arch tray form fits over the contours of the teeth of the upper jaw or lower jaw from a first molar region through a second molar region. The arch tray extends down the teeth on a labial surface and a lingual surface of the teeth to the gingival areas. One or more arch wires are infused and rigidly anchored within the lingual side of the arch tray. Each of the arch wires comprises a surface pre-infused with a polymeric material for rigidly bonding to the lingual side of the arch tray.

An adjustable orthodontic bracket including an body member for fixing orthodontic arch wire in a position such that a predetermined stress is generated and applied to the tooth to be treated; a bonding base member for bonding the bracket to a buccal or lingual surface of a tooth to be treated; and a bendable element, wherein the bendable element connects the body member to the bonding base member. The body member includes a slot for the arch wire, wherein the bendable element enables to adjust accurate angles of the slot. The bendable element can be rigid or flexible wherein in the flexible form, a holding device is further included. The present invention further provides tools to band and / or rotate the adjustable orthodontic bracket of the present invention.

A facial registration tool for use in the fabrication of dental prostheses includes two or more interconnected artificial teeth and a retention means extending posteriorly from the lingual surface of the teeth for attaching the tool to a wax bite rim. In one embodiment the facial registration tool includes simulated upper left and right lateral and central incisors and a retention knob for mounting the tool to a bite rim.

The invention provides a split type guide plate for accurately positioning an orthodontic bracket. The split type guide plate comprises a tooth occluding part and a buccal surface groove, wherein the tooth occluding part is arranged on a dental crown of teeth, comprises a tooth occluding surface, part of buccal labial surface and part of lingual surface and is matched with a dental body; the buccal surface groove is formed in the buccal labial side of the tooth occluding part; the inner side surface of the buccal surface groove is matched with the side surface of an occlusion part of the orthodontic bracket. The split type guide plate disclosed by the invention has the advantages that quick and one-time bonding of the orthodontic bracket can be realized; a bonding process is simple to operate; a doctor is enabled to simulate the tooth aligning condition on a computer, and then an optimal position and the direction of the bracket are designed according to a simulation result, thereby realizing an effect of inducing the alignment; the repeatable and accurate positioning of each orthodontic bracket can be realized; even if a single orthodontic bracket falls off at later stage and needs to be bonded again, the orthodontic bracket can be accurately positioned at the original position by using an original guide plate; the orthodontic bracket can be matched with brackets of various models in the market.

Provided is an apparatus for generating dental data for manufacturing an aligner, the apparatus including: a dental-data generation unit, in which the dental-data generation unit includes a preprocessing module includes a first module that receives data on a current state of the teeth of the patient from a scanner that scans the current state of the teeth of the patient, a second module that generates a state of the teeth of the patient and the vicinity of the teeth as 3D data, based on the data received from the scanner, a third module that sets a central point for dental movement in the 3D data, a fourth module that sets each central reference for a crown, a buccal surface, and a lingual surface of the tooth in the 3D data, and a fifth module that sets a reference for a dental root point in the 3D data.

A removable partial denture that does not have a palatal or lingual bar, strap or plate connecting both sides of an arch of the partial denture. In addition to the rests and / or clasps, the partial denture is held in position by the shape of the linguoplate, which conforms to the shape of the lingual surface of the teeth and alveolar mucosa, and the shape of a portion of the adjacent gum tissue of the patient.

A tray for use in bonding orthodontic appliances to selected teeth of a patient is disclosed. The tray includes an outer shell having wall sections extending over facial, lingual, and occlusal surfaces of the selected teeth to form a channel including tooth cavities having a configuration matching and arranged for receiving the selected teeth. A matrix is bonded to the inner surface of the outer shell and is contoured to complement the facial or lingual surface of the teeth. A stabilization member extends from the outer shell and includes an inside surface contoured to complement at least a portion of the facial surface of a tooth located adjacent the selected teeth. Orthodontic appliances are detachably connected to the matrix, wherein each appliance includes a base for bonding the appliance to a tooth.

An orthodontic appliance is provided for controlling positioning of a patient's teeth. The appliance includes at least one dental encasing component formed to overlay at least one of the patient's teeth and at least a portion of a palate of the patient. The at least one dental encasing component has a lingual surface and a labial surface. The appliance also includes at least one rigid component fused to an entire length of the lingual surface of the at least one dental encasing component and over a portion of the at least one dental encasing component overlaying a portion of the palate of the patient.

A tray for use in bonding orthodontic appliances to selected teeth of a patient is disclosed. The tray includes an outer shell having wall sections extending over facial, lingual, and occlusal surfaces of the selected teeth to form a channel including tooth cavities having a configuration matching and arranged for receiving the selected teeth. A matrix is bonded to the inner surface of the outer shell and is contoured to complement the facial or lingual surface of the teeth. A stabilization member extends from the outer shell and includes an inside surface contoured to complement at least a portion of the facial surface of a tooth located adjacent the selected teeth. Orthodontic appliances are detachably connected to the matrix, wherein each appliance includes a base for bonding the appliance to a tooth.

The invention relates to an individual lingual bracket appliance and a manufacture method thereof. The method comprises the following steps of: (1) acquiring a digital dentition model; (2) putting a bracket body and a connecting body of the tooth position to the middle of the corresponding tooth lingual side along the track and plane of an arch wire; (3) selecting a long towing hook or short towing hook when a bracket is designed in CAD software, rotating the towing hook to enable the towing hook to be far away from gum; (4) outputting in a STL format and printing to form a wax pattern; (5) embedding the wax pattern, casting a metal part, and assembling the parts to form a complete bracket or molar lingual pipe; (6) manufacturing an individual bracket placement gauge; and (7) drawing an arch wire according to a lingual arch diagram selected during tooth arrangement by a computer, and assembling the arch wire with the individual bracket placement gauge. The operation method is simple and convenient and has high production efficiency, and the manufactured appliance has accurate positioning and excellent treatment effect.

The invention discloses a blind guiding cap which is used for being worn by a human body and is equipped with a full-depth of field sensing function, relates to the blind guiding cap and belongs to the field of photoelectric blind guiding. The blind guiding cap comprises a 3D photographing unit, a signal processing unit and a contact array unit for sensing the human body. The 3D photographing unit comprises a near-infrared light source for carrying out near-infrared active illumination, and a left near-infrared photographing photoelectric sensor and a right near-infrared photographing photoelectric sensor which are used for carrying out double-camera photographing. The signal processing unit comprises a preprocessing unit, a depth extraction unit and a quantitative output unit. A miniature electromagnet controlled contact firing pin structure is employed by a single contact structure in the contact array unit. According to the blind guiding cap, through adoption of a stimulation method by four-dimensional comprehensive information such as a scenery orientation, a size, color difference and distance, the blind is helped to realize a target of ''seeing'' the light through a memory based learning process; and the inconvenient life problems of the blind due to the electric stimulation conductive mode of a traditional sensing contact tool through a lingual surface and an armpit can be solved.

A dental prosthetic comprising at least one unit for attachment to a tooth and a ceramic structural component that is embedded in a trough on the lingual surface of the at least one unit. The ceramic comprises zirconia.

An orthodontic device-setting tool is provided with: a fitting section having a fitting surface, which covers and fits together with at least one of the incisal margin, the dental cusp, or the occlusal surface of a tooth; a foundation section, which has a back surface that adheres closely to the labial / buccal surface or the lingual surface of the tooth and has, on the surface opposite the back surface, a front face on which the orthodontic device is mounted; and a connecting section that connects the fitting section and the foundation section. The tool has a frame section, which protrudes from the front face of the foundation section and can fit together with the orthodontic device. Use of the orthodontic device-setting tool makes it possible to mount orthodontic devices such as corrective brackets without holding the patient for long periods of time and to mount the orthodontic devices accurately at the desired three-dimensional mounting positions for the orthodontic devices regardless of the skill level of the dentist practitioner. Moreover, the tool can even be used with mass-produced general purpose orthodontic devices, which are not orthodontic devices that have been specially customized as to design, cut, etc. for individual patients.