40 results about "Lingual surface" patented technology

A mouthpiece for oral cleaning of teeth of a user includes a tray configured to receive the teeth of an upper and / or lower jaw of the user, where the tray includes an occlusal portion, a lingual portion extending from a lingual edge of the occlusal portion, and a buccal portion extending from a buccal edge of the occlusal portion; a posterior extension extending from a posterior end of one of the lingual portion or the buccal portion of the tray, where the posterior extension includes an extension platen and extension bristles projecting from the extension platen, where the extension bristles clean at least a portion of a lingual surface or a buccal surface of the last molar and gums proximate to the last molar, not reachable by lingual cleaning elements or buccal cleaning elements, respectively, during operation of the mouthpiece.

The present invention relates to a method and a system for manufacturing a retaining wire (11), said retaining wire (11) having a shape which is folded along the lingual surface of a set of teeth (12). To this end, a wire that is made of a shape-memory material and has a rectangular cross-section comprising a plurality of braided strands is assembled in the groove of a mould, said groove defining said folded shape. The shape-memory material is then activated.

A swallowing oral cavity training device comprises a cheek supporting part, a lip muscle training part, a lingual surface massage part and a pull ring, and is characterized in that the cheek supporting part is an arc-shaped plate attached to the face, the concave side of the cheek supporting part is connected with the lingual surface massage part, and the convex side of the cheek supporting part is connected with the pull ring; the lip muscle training part comprises an upper lip supporting plate and a lower lip supporting plate, the upper lip supporting plate and the lower lip supporting plate are both in a curved surface shape, and the upper lip supporting plate and the lower lip supporting plate are symmetrically arranged in the middle of the cheek supporting part up and down; the oral cavity training device can be applied to patients with dysphagia and food retention salivation, the oral cavity training steps are simplified, the patients are helped to memorize, the training of the patients is improved by means of the structure, the patients can insist easily, the curative effect is closer to that of traditional swallowing oral cavity training operation, and the oral cavity training device is safer.

An undercut filling method for digital dental models and a manufacturing method for dental instruments. The undercut filling method can achieve fuller and more anatomically accurate undercut filling for digital dental models. The undercut filling method for digital dental models comprises: acquiring a digital dental model (S101); generating a control point generation model with radius R for each undercut region (S102); moving the control point generation model so that the control point generation model is simultaneously tangent to the buccal and lingual surfaces of two adjacent teeth, and obtaining a set of control points for each tooth on the basis of the tangency points between the control point generation model and each tooth (S103); connecting each set of control points in a predetermined sequence to obtain an undercut control boundary that is used to form an undercut model (S104); interconnecting two undercut control boundaries to generate a corresponding digital undercut model (S105); and performing filling processing on the digital dental model according to the digital undercut model (S106).

The dental assembly comprises a first tooth socket and a second tooth socket which correspond to maxillary teeth and mandibular teeth respectively, and a plurality of retention structures, the first tooth socket is provided with a first buccal surface and a first lingual surface which are oppositely arranged, and the second tooth socket is provided with a second buccal surface and a second lingual surface which are oppositely arranged; the retention structures are connected with the first buccal surface and the second buccal surface, or the retention structures are connected with the first lingual surface and the second lingual surface, the dental assembly comprises a first half jaw and a second half jaw which are positioned on two sides of a dental midline, and the plurality of retention structures comprise a first retention structure and a second retention structure which are positioned on the first half jaw. The first retention structure is closer to the tooth midline than the second retention structure. According to the invention, relative rotation and relative movement of the first tooth socket and the second tooth socket are limited through cooperation of the first retention structure and the second retention structure, so that the relative position between the first tooth socket and the second tooth socket can be effectively controlled, and the correction effect can be effectively improved, such as in an application scene of jaw position adjustment.

An orthodontic aligner includes an aligner body configured for receiving upper teeth or lower teeth. The aligner body has a facial surface, a lingual surface, a gingival edge, and an incisal edge. A hook is integrally formed on either the facial surface or the lingual surface of the aligner body. The hook is configured so that an elastic band can be removably attached thereto. The hook is positioned between the gingival edge and the incisal edge of the aligner body. The hook protrudes at an angle relative to the surface of the aligner body. The angle may be between 20 and 60 degrees. The aligner body and the hook are formed simultaneously during manufacturing.

The utility model discloses an invisible tooth socket component which comprises a first invisible tooth socket matched with a first tooth jaw, a second invisible tooth socket matched with a second tooth jaw and a guide plate, the first invisible tooth socket comprises a first buccal labial surface, a first lingual surface and a first contact surface connected with the first buccal labial surface and the first lingual surface; the second invisible tooth socket comprises a mounting surface corresponding to an adjacent tooth gap of the second tooth jaw, the guide plate is connected with the mounting surface, and when the first invisible tooth socket and the second invisible tooth socket are in an occlusion state, the guide plate abuts against the first contact surface so as to realize lowering, leading or retracting of the first tooth jaw. The guide plate is arranged corresponding to the adjacent tooth gap of the second tooth jaw, and when the first invisible tooth socket and the second invisible tooth socket are in an occlusion state, no matter which area of the first contact surface is abutted by the guide plate, the guide plate can apply acting force to the first contact surface; the first contact surface can transfer the acting force to the first tooth jaw so as to realize lowering, leading or retracting of the first tooth jaw.

The invention discloses a tooth surface cleaning device and method special for fixed correction, and relates to the field of orthodontic nursing, the tooth surface cleaning device comprises a handheld end, a connecting piece, a dental floss and two cleaning rods, the two cleaning rods are connected with the two ends of the connecting piece respectively, the handheld end is connected to the connecting piece, and the dental floss is detachably connected between the two cleaning rods; the two cleaning rods can be positioned on the left and right sides or the upper and lower ends of the target bracket; a cleaning brush is arranged on the cleaning rod; when the two cleaning rods are positioned on the left side and the right side of the target bracket, the dental floss between the two cleaning rods is positioned in a gap of teeth corresponding to the target bracket. The cleaning modes are diversified, all-area cleaning of the periphery of a target bracket, the lower portion of an arch wire, adjacent face gaps, tooth lingual surfaces and the like can be covered in the left-right mode and the up-down mode, and the problem that an existing tool cleans blind areas is solved.

Methods of forming dental appliances with reinforcement ribs. Methods may include forming virtual ribs on a virtual dental appliance. The virtual ribs may be formed laterally across at least a portion of a lingual surface and a labial surface of the virtual dental appliance. A thickness from rib to rib of the virtual ribs may vary such that thicker one or more ribs are arranged to apply greater force in the one or more desired directions. Methods may include calculating a displacement of the one or more teeth of a virtual teeth model based on forces applied by the virtual dental appliance. The displacement may account for changes in the forces applied on the one or more teeth of the virtual teeth model that the virtual ribs provide. Methods may include forming a dental appliance from a polymeric material based upon the virtual dental appliance.

The present utility model relates to an oral hygiene instrument having a head angled at variable degrees, according to the needs of each user, ranging from 10 to 170 degrees, excluding the right angle of 90 degrees, and which may be pivotable, the purpose and benefit of which are to reach areas of the mouth that are difficult to access during brushing in order to improve cleaning, particularly the lingual surface and the back of the teeth, thereby preventing oral problems, regardless of the material of the product, and being distinguished from existing toothbrushes by the angulation of the brush head.

The utility model provides a novel sputum collector, and belongs to the technical field of medical instruments. Comprising a pull rod cylinder, one side outside the pull rod cylinder is in threaded connection with a transverse valve cylinder, the bottom of the transverse valve cylinder is fixedly connected with a longitudinal valve cylinder, a liquid storage tank is inserted into the bottom of the longitudinal valve cylinder, a collecting pipe is inserted into the end, away from the pull rod cylinder, of the transverse valve cylinder, and a suction head is fixedly connected to the end, away from the transverse valve cylinder, of the collecting pipe; the anti-bite assembly is used for supporting the oral cavity of the patient, and the anti-bite assembly is connected with the collecting pipe; the air exhaust assembly is used for sucking sputum of a patient, the air exhaust assembly is connected with the pull rod cylinder, and the anti-bite assembly is arranged, and an anti-bite plug is of a conical outline, so that the anti-bite plug can be quickly plugged into the mouth of the coma patient, and the sputum suction tube is prevented from being bite; the lingual surface placing area and the tooth occlusion area are arranged, so that the discomfort of a patient can be reduced, the stability of the anti-biting plug in the oral cavity is improved, and the patient can be prevented from unconsciously biting the tube.

The present invention relates to the technical field of oral orthodontics, and in particular to a magnetic traction device for high-impacted maxillary central incisors, comprising a first magnet assembly, a second magnet assembly, and a support assembly, wherein the first magnet assembly is arranged on the labial and lingual surfaces of the crown of the high-impacted maxillary central incisor; the support assembly is arranged in the middle of the teeth on the mesiodistal side of the high-impacted maxillary central incisor and is fixedly connected to the adjacent teeth on the mesiodistal side of the high-impacted maxillary central incisor; the second magnet assembly is arranged on a side of the support assembly close to the first magnet assembly (the second magnet assembly and the first magnet assembly are attracted to each other) and is connected to the support assembly; the support assembly is used to support the second magnet assembly and allow the second magnet assembly to adjust its position along the length, width, and axial directions of the support assembly. The traction device is non-contact traction when in use, which can avoid mucosal damage; the direction of magnetic traction can be automatically adjusted, and the stability of the traction force is improved.

Disclosed herein is a lingual mandibular distractor and methods and systems for designing the same. The lingual mandibular distractor as disclosed herein is configured to be installed at a lingual surface of the mouth of a patient. The lingual mandibular distractor as disclosed herein is designed based on the intended patient's specific anatomy. 3D printing processes may be utilized to create the frame of the lingual mandibular distractor, and an expansion assembly is connected to the frame to complete the lingual mandibular distractor appliance.

The utility model discloses an accessory installation template which comprises a template body with a cavity for containing teeth, at least one accessory containing cavity located on the template body and at least one segmentation line located on the template body, and the template body comprises a first edge line located on the labial buccal surface of the template body and a second edge line located on the lingual surface of the template body. The segment line extends from the first edge line to the second edge line. According to the utility model, the operation of disconnecting the accessory mounting template by a user can be greatly simplified by arranging the segmentation lines, so that the deformation and the like of the accessory mounting template caused by the acting force when the accessory mounting template is disconnected by the user are reduced, and the use convenience of the accessory mounting template and the accessory mounting reliability can be improved; in addition, the segmentation line extends from the first edge line to the second edge line, that is, the segmentation line crosses the whole surface of the template body, when the segmentation line is completely disconnected, the accessory installation template can be divided into a completely disconnected multi-segment structure, and user operation is further simplified.

A clear aligner assembly (100), comprising a first clear aligner (10) that fits a first jaw (T1), a second clear aligner (20) that fits a second jaw (T2), and a guide plate (30), wherein the first clear aligner (10) comprises a first labial and buccal surface (11), a first lingual surface (12), and a first contact surface (13) connecting the first labial and buccal surface (11) to the first lingual surface (12); the second clear aligner (20) comprises a mounting surface (40) corresponding to an interdental space (P) of a second jaw (T2); the guide plate (30) is connected to the mounting surface (40); and when the first clear aligner (10) and the second clear aligner (20) are in an occlusal state, the guide plate (30) abuts against the first contact surface (13), so as to achieve the intrusion, protrusion or retrusion of the first jaw (T1). The guide plate (30) is arranged corresponding to the interdental space (P) of the second jaw (T2). When the first clear aligner (10) and the second clear aligner (20) are in an occlusal state, regardless of which region of the first contact surface (13) the guide plate (30) abuts against, the guide plate (30) can apply an acting force to the first contact surface (13), and the first contact surface (13) can transfer the acting force to the first jaw (T1), so as to achieve the intrusion, protrusion, retrusion, etc. of the first jaw (T1).

This invention discloses a shell-shaped dental instrument, comprising maxillary and mandibular shell-shaped bodies and a repositioning occlusal element assembly, which includes a first repositioning occlusal element and a second repositioning occlusal element. These repositioning occlusal elements are disposed on the same side, respectively connected to the buccal or lingual surfaces of the left and right sides of the posterior tooth region of the maxillary and mandibular shell-shaped bodies. The first repositioning occlusal element includes a first fixing portion, a first connecting portion, and a first locking portion, which together form a first receiving space; the second repositioning occlusal element includes a second fixing portion, a second connecting portion, and a second locking portion, which together form a second receiving space. During wear, the first locking portion is received within the second receiving space, and the second locking portion is received within the first receiving space, with their free ends abutting against each other in the sagittal direction. Furthermore, the first fixing portion, the second locking portion, the first locking portion, and the second fixing portion abut against each other sequentially in the gingival-maxillary direction. This invention also provides an orthodontic system.

A removable dental appliance may include an appliance body at least partially surrounding a plurality of teeth and an interproximal reinforcement. The appliance body may include a first shell shaped to engage a first tooth and a second shell shaped to engage a second tooth. The interproximal reinforcement extends from a first gingival edge on a labial side of the appliance body along an interproximal region between the first tooth and the second tooth to a second gingival edge on a lingual side of the appliance body. The interproximal reinforcement is configured to engage at least one of a lingual surface or labial surface of the first tooth below a height of contour to enable the appliance body to cause movement of the first tooth toward a desired position.

The invention discloses a disposable protective sleeve for preventing physical injury of an oral cavity, and belongs to the technical field of oral cavity protective articles. The protective sleeve (100) is in an ellipsoid shell shape, and a hollow containing cavity (400) inside the protective sleeve (100) is used for containing hard food to prevent the oral mucosa from making contact with the hard food; the circumferential main body wall thickness of the protective sleeve (100) is uniform, and the end part can be selectively thickened; the occlusal surface and the cheek-tongue surface are provided with symmetrically distributed through type hollow grooves (200), and the porosity is 5%-60% to balance ventilation and structure stability; the cheek side or the tongue side is provided with a through type storage groove (300), and the two ends of the through type storage groove are far away from the axial end of the protective sleeve to prevent food displacement. And the packaging bag is made of degradable TPE, medical grade soft resin or medical silica gel, meets the food contact safety standard, and is naturally degraded 30-60 days after being used. The protective sleeve is suitable for dentitions of more than 95% of people, effectively reduces the risk of oral mucosa injury, and is comfortable to wear and high in production feasibility.

An attachment that effectively reduces the incidence of undercut and improves the overall efficiency of tooth movement includes an attachment body with a gingival portion and a vertical portion. The vertical portion includes a mesial portion located mesially to the crown and a distal portion located distally to the crown. The gingival portion is close to the gingival margin and located slightly below the undercut of the crown. Both the gingival portion and the vertical portion have opposing lingual and buccal surfaces, opposing occlusal and gingival surfaces, and opposing mesial and distal surfaces. The lingual surface is bonded to the tooth surface. The gingival, occlusal, mesial, and distal surfaces are all arc-shaped or spherical. This structural design not only greatly increases the undercut of the tooth but also provides multiple contact areas and a larger force application area with the orthodontic appliance, providing more effective coverage area for mesial or distal tooth movement. This effectively reduces the incidence of undercut and improves the overall efficiency of tooth movement.

This utility model discloses a palatal support occlusal oral device, comprising an upper dental brace and a palatal support. The upper dental brace has a structure that engages with the upper teeth, including the buccal surface, lingual surface, and occlusal surface of the upper teeth. The palatal support includes a hard palate region corresponding to the hard palate and a soft palate region corresponding to the soft palate. Pressure sensors are respectively provided on at least the occlusal surface of the upper teeth and on both the hard and soft palate regions. This utility model, by placing sensors at multiple points on the tongue, palate, and occlusal surface, can detect pressure data at multiple points, thereby enabling coordinated analysis of multi-stage chewing and swallowing movements.

Apron section digital data set for use in the manufacture (S100) of an apron section (200) of a customized smart dental device (600), wherein the apron section (200) fits closely to at least one facial, lingual and / or occlusal tooth surface topology of a person, wherein the apron section digital data set defines: an inner surface contour (212) of the apron section (200) that is individually adapted to correspond to the facial, lingual and / or occlusal tooth surface topology, wherein the inner surface contour (212) defines an occlusal surface, a facial surface and a lingual surface, wherein the inner surface contour (212) is designed to form an inner surface of the apron section (200); and an outer surface contour (214) of the skirt section (200), wherein the outer contour defines one or more mounting surface sections (216) for mounting at least one electronic component 630-1, 630-2, 630-3, 630-4; wherein the outer surface contour (214) of the skirt section (200) defines at least one skirt-side sealing structure (218) which is designed to engage sealingly with a mold-side sealing structure (418) of a mold section (400), and wherein the skirt-side sealing structure (218) defines a boundary line of a mold cavity which is defined by at least a part of the outer surface contour (214) of the skirt section (200) as a section of the inner mold cavity contour.

This utility model relates to the technical field of endotracheal intubation dental pad devices, specifically to a modified endotracheal intubation dental pad, comprising a dental pad, a dental pad, and a dental pad whose middle part is fixedly engaged with the middle part of a baffle. Four sets of fasteners are fixed to the middle of one side of the baffle. A through groove is provided in the middle of the baffle. Each fastener includes a tail block, a bent part, and a crimping end. The two ends of the bent part are fixedly connected to the two ends of the tail block and the crimping end, respectively. One end of the tail block is fixed to the side wall of the baffle. The dental pad is wrapped with multiple layers of gauze, and the gauze is covered by a rubber sleeve on the outside of the dental pad. The user can first fix it to the outside of the three layers of gauze with the rubber sleeve for initial positioning, and then use the external fastener structure to further position the rubber sleeve. The dental pad is made of soft plastic material. Clinical use has shown that this modified dental pad significantly reduces the pressure of the dental pad on the lips and tongue, reduces patient pain, reduces oral infection, and promotes patient recovery.

This invention provides an invisible orthodontic appliance with an oblique guide module, including an upper brace and a lower brace adapted to the upper brace. An oblique guide module is fixedly disposed on the lingual side of one of the upper or lower braces. The tooth side of the oblique guide module has an occlusal surface, which cooperates with the lingual surface of the other brace. By setting the oblique guide module, the occlusal surface is set on the tooth side, and then cooperates with the lingual surface of the corresponding brace for correction. The appliance has minimal foreign body sensation and is comfortable to wear.

1. The name of the design product: Tongue detector (M66). 2. The use of the design product: For shooting human face and tongue features. 3. The design points of the design product: In shape. 4. The picture or photo that best shows the design points: Perspective view 1.

The present invention relates to a method and system for manufacturing a retention wire (11), said retention wire (11) having a folded shape following the lingual surface of a denture (12). To this end, a wire made of a shape-memory material and having a rectangular cross-section comprising a plurality of braided strands is assembled in the groove of a mold, said groove defining said folded shape. The shape-memory material is then activated. Figure for the abstract: Figure 1

The invention discloses an invisible tooth socket assembly which comprises a first invisible tooth socket matched with a first tooth jaw, a second invisible tooth socket matched with a second tooth jaw and a guide plate, and the first invisible tooth socket comprises a first buccal labial surface, a first lingual surface and a first contact surface connected with the first buccal labial surface and the first lingual surface; the second invisible tooth socket comprises a mounting surface corresponding to an adjacent tooth gap of the second tooth jaw, the guide plate is connected with the mounting surface, and when the first invisible tooth socket and the second invisible tooth socket are in an occlusion state, the guide plate abuts against the first contact surface so as to realize lowering, leading or retracting of the first tooth jaw. The guide plate is arranged corresponding to the adjacent tooth gap of the second tooth jaw, so that when the first invisible tooth socket and the second invisible tooth socket are in an occlusion state, no matter which area of the first contact surface is propped by the guide plate, the guide plate can apply acting force to the first contact surface; the first contact surface can transfer the acting force to the first tooth jaw so as to realize lowering, leading or retracting of the first tooth jaw.

A device for integrally closing front teeth scattered in a gap comprises a retention and connection device which integrally wraps all teeth in a dentition and is made of an orthodontic pressed film retainer high polymer material; the traction devices are located at the adjacent gaps of the lip and buccal surfaces of the front molar areas or molar areas on the two sides and are arranged in a bilateral symmetry mode, and the upper edges of the traction devices are flush with the junctions of the crown middle 1 / 3 and the crown neck 1 / 3 of the lip and buccal sides of the teeth; the lingual vacuoles are located on the lingual sides of the teeth of the patient, the height of the inner walls of the lingual vacuoles is consistent with the sagittal height of the teeth, and the shape of the inner walls of the lingual vacuoles is completely matched with the shape of the lingual sides of the teeth; the force application device is an elastic body part and is made of one of an elastic rubber ring, a rubber chain or a rubber line; the positioning window is a horizontal groove-shaped window formed in the fixing and connecting device and penetrates through the traction devices on the left side and the right side. According to the utility model, the problems of low correction efficiency, long treatment period, discomfort of a patient in wearing and high treatment cost in the prior art are effectively solved.

The invention provides a lingual face diagnosis and skin detector which comprises a shell provided with a detection cavity; the camera is arranged in the detection cavity; the bearing assembly comprises a forehead support and a chin support which are arranged on the shell and located at the inlet of the detection cavity, and the forehead support is located above the chin support in the vertical direction; the plane, facing the opening of the detection cavity, of the camera is defined as a camera shooting face, the face, facing the camera, of the contact points of the forehead support and the chin support with the human face is defined as a detection face, the camera shooting face and the detection face are obliquely arranged relative to the horizontal plane, and the included angle between the camera shooting face and the detection face is 0-5 degrees. According to the lingual face diagnosis and skin detector, the included angle between the camera shooting face and the detection face is 0-5 degrees in the detection cavity, the use angle of the table top is limited, alignment by slightly lifting the jaw is achieved, the burden of the neck is relieved, and the lens geometry is stabilized; surrounding supplementary lighting is matched with cambered surface reflection, so that illumination uniformity is improved, and'near-bright and far-dark 'is inhibited; the bearing assembly is adjustable and the opening chamfer is convenient for adaptation and alignment, so that the imaging definition and consistency are improved.

The present disclosure relates to an orthodontic bracket featuring an archwire slot configured to accommodate tandem archwires for enhanced control during orthodontic treatment in both twin and self-ligated bracket designs. The archwire slot of the self-ligating bracket includes a labial surface and a lingual surface, each having a contoured shape along a first axis in the buccolingual plane, enabling the parallel alignment of two archwires. Additionally, the slot defines a second curve along a second axis, orthogonal to the first, in the occluso-gingival plane to reduce friction as archwires move within the slot. Similarly, the twin bracket version of the present disclosure maintains the design described without the labial enclosure which is provided by ligation methods.