108results about "Dental aids" patented technology

A splint device (100) for robotically-guided surgery includes elongate first and second splint portions (200, 400) each having opposed longitudinal ends and an interface edge extending between the ends, wherein the respective interface edges (250, 450) are arranged as a complement to each other. First and second alignment elements (800A, 800B) engaged with the first and second splint portions are arranged to interact with each other such that a substantially consistent gap is defined between the first and second interface edges, from the first ends to the second ends of the first and second splint portions. A threaded member (900) is engaged between the first and second splint portions and arranged to advance the first and second interface edges toward each other in response to advancement of the threaded member. A tracking portion (1000) having a kinematic mount (1100) engaged therewith is engaged with the first or second splint portion and extends outwardly therefrom. An associated method is also provided.

A dental matrix for forming a crown on a tooth includes a body having a expandable tab, which allows the diameter of an opening to be expanded for removal of the matrix from the formed crown.

The present invention addresses the problem of providing an auxiliary instrument for dental treatment capable of being easily removed from a tooth restored while hardly causing pain to a patient when removing the auxiliary instrument for dental treatment after curing a curable composition for tooth restoration. One aspect for solving the above problem is an auxiliary instrument for dental treatment, the auxiliary instrument having a body part having a recessed opening part capable of accommodating at least a portion required to be restored of a tooth restored of a patient, wherein: a portion at least accommodating the portion required to be restored has an inner surface shape corresponding to a preliminarily designed outer surface shape of the portion required to be restored of the tooth after restoration; in a state in which the body part is elastically deformed and attached to the tooth restored, a cavity is formed by the inner surface shape and the outer surface shape of the tooth restored; the auxiliary instrument for dental treatment restores the tooth restored by irradiating a dental photocurable composition introduced into the cavity with light in a state of being attached to the tooth restored to cure the dental photocurable composition; and a resin material having a tensile elongation in accordance with JIS K6251 of 10%-60% is used.

Embodiments of this disclosure provide a staging assembly (10) for negative pressure, multi-canal irrigation of a root canal system followed by obturation. The staging assembly may be part of a kit that includes a plurality of catheters (50) sized for insertion into the root canal system. To hold the catheter in its proper position in the canal, the catheter may include a stop (37) and the staging assembly may include a corresponding stop hold (36). The distal end (51) of the catheter can be positioned 2 mm to 5 mm from the terminus end of the root canal. The staging assembly is then sealed, creating a closed system. Irrigating solution is vacuum-drawn out the ends of the catheters and debris is evacuated through a vacuum port of the staging assembly. During irrigation, no hands on time is required by the clinician. After irrigation, vacuum is reversed to dry the canal. Obturation occurs through the vacuum.

Described are various embodiments of a butterfly-shaped dental matrix band for performing fillings on two adjacent teeth simultaneously. In one embodiment, the band comprises a central portion, the central portion resting at the contact point upon the band being engaged in-between the adjacent teeth; two thin and pliable adjacent wings, each wing surrounding and extending away circumferentially from an edge of the central portion, and wherein a first portion of each wing comprising an area extending from said central portion to a lower edge of each wing along said vertical axis has a thickness equal to at most half the thickness of the central portion; and a second portion of each wing not included in said first portion has a thickness equal to the thickness of the central portion. In some embodiments, each wing has a tab at the upper edge thereof to grab and manipulate the matrix band.

Dental matrices and crowns are disclosed for making dental veneers and crowns on teeth. The dental matrices are adapted to the specific tooth type (e.g., premolars, molars, canines, incisors, palatal teeth, lingual teeth) to be treated in a single procedure, and can provide a veneer on the tooth for an aesthetically pleasing appearance and then be resurfaced. The dental matrix for forming a crown on a tooth includes a body with expandable tabs, allowing the diameter of the opening to be expanded for removal of the matrix from the formed crown.

The utility model discloses an implantation guide plate with a rubber barrier, which particularly relates to the field of dental implantation and comprises a positioning plate, rubber barrier cloth is arranged at the upper end of the positioning plate, a guide plate is arranged at the upper end of the rubber barrier cloth, a positioning groove is formed in the bottom end of the positioning plate, a clamping plate is arranged in the positioning groove, and a clamping groove is formed in the clamping plate. A positioning groove is formed in the upper end of the positioning plate, a positioning protrusion is arranged at the bottom end of the guide plate, a guide ring is fixedly arranged in the middle of the guide plate, and a guide ring in-place hole is formed in the upper end of the positioning plate. According to the utility model, the rubber barrier cloth is arranged between the positioning plate and the guide plate, can play roles in isolating moisture, isolating infection, clearing the visual field, pulling soft tissues and the like, can prevent cooling water, saliva or blood from influencing the operation of medical personnel during hole preparation, and can improve the visual field in the oral cavity and the success rate of the implant.

There is a mylar matrix band. The mylar matrix band has an elongated thin plastic film having an overall shape of an inverted-V with a flattened middle, and including three regions, specifically: a middle region having a primary axis along a horizontal extent thereof; a left region adjacent to the middle region and extending at a first angle from the primary axis of the middle region; and a right region adjacent to the middle region opposite the left region and extending at a second angle from the primary axis of the middle region; wherein the first and second angles are between 25-60 degrees from the primary axis and an interior length of the middle region as measured from an interior transition between each of the left region and right region is greater than 5 mm.

The utility model discloses a rubber barrier convenient for fixing an implanted tooth, which belongs to the technical field of rubber barriers, and comprises a rubber blanket, a limiting component, a support II and two tooth clamping components, the rubber blanket covers the outer surface of the tooth, the tooth clamping components are clamped on the surface of the tooth through the rubber blanket, and the limiting component is arranged on the support II. Support assemblies are installed at the two ends of the second support, the rubber cloth wraps the outer surfaces of the support assemblies and the second support, the tooth clamping assembly comprises a limiting bolt and two sets of clamping blocks, inserting grooves are formed in the ends, close to each other, of the two clamping blocks, the inserting grooves are matched with the limiting bolt, and teeth needing to be treated penetrate through the rubber cloth after the rubber cloth is perforated. According to the utility model, the teeth to be treated are isolated from the oral cavity through the two tooth clamping assemblies, and the two tooth clamping assemblies are clamped on two adjacent teeth of the teeth to be treated through the rubber blanket, so that the rubber blanket is effectively fixed without occupying the operation space of a doctor, and the use convenience can be improved.

There is obtained a cheek retractor that a right outer flange and a left outer flange are provided with a right personal authentication identification code plate portion and a left personal authentication identification code plate portion, respectively, on which two-dimensional barcodes are printed. Since the cheek retractor is mounted on an oral cavity of a patient by holding an arm, which is close to the right personal authentication identification code plate portion and the left personal authentication identification code plate portion, by hand and by pushing the arm inward against a spring force, and an image including a right personal authentication identification code and a left personal authentication identification code is captured, even without experience, an image can be captured to encompass the entirety of a mouth, and since identification information of the patient can be acquired, who the patient is can be grasped.

Dental matrices and crowns are disclosed for making dental veneers and crowns on a tooth. The dental matrix is adapted for the specific tooth type (e.g., premolar, molar, canine, incisor, palatal, lingual) being treated in a single treatment, which results in a veneer on the tooth, which may then be resurfaced, for an aesthetically pleasing appearance. A dental matrix for forming a crown on a tooth includes a body having an expandable tab, which allows the diameter of an opening to be expanded for removal of the matrix from the formed crown.

Aspects of the present invention relate to a dental retractor for controlling the position of soft tissue within a mouth, the dental retractor comprising: a lip retractor for controlling the position of a lip; and a cheek retractor comprising a pair of arms for controlling the position of a cheek; and wherein the dental retractor comprises a tongue retractor removably coupled to the dental retractor for controlling the position of a tongue.

An insert is configured to place one or more dental fillings between a first tooth and a second tooth of a patient. The insert comprises a guide sized and shaped to fit between a first tooth and a second tooth, and an elongate body extending in a longitudinal direction. The elongate body comprises a first curved portion to shape a first filling on the first tooth, a second curved portion to shape a second filling on the second tooth and a gum engagement structure sized and shaped to engage with a gum of the patient.

The utility model discloses a rubber barrier clip which comprises a bow part and a clamping part, a bow part clamping arm on the bow part is provided with a bow part clamping arm inserting groove, the clamping part is provided with a clamping part extension rod matched with the bow part clamping arm inserting groove, and when the rubber barrier clip is used, the clamping part extension rod is inserted into the bow part clamping arm inserting groove and fixed through a bolt. The distance between the bow part and the clamping part can be adjusted according to the space in the oral cavity, so that the bow part of the rubber barrier clip is far away from an operation area as far as possible, a large operation space is obtained while the operation view field is expanded, and the oral cavity treatment efficiency and treatment quality are greatly improved; the rubber barrier clamp is suitable for oral cavities of patients of different age groups, and the application range of the rubber barrier clamp is widened.

To provide mold cavities customized to suit an individual patient.SOLUTION: A custom tool for forming a dental restoration molding in a mouth of a patient includes a mold body providing a customized fit with at least a specific tooth of the patient. The mold body includes a facial portion 12 forming a facial surface corresponding to a facial surface of the specific tooth, a lingual portion 30 forming a lingual surface corresponding to a lingual surface of the specific tooth, and an incisal portion forming an incisal surface corresponding to an incisal surface of the specific tooth. The mold body is configured to combine with the specific tooth to form a mold cavity encompassing a missing tooth structure of the specific tooth.SELECTED DRAWING: Figure 4

An improved dental matrix system and method for filling cavities located on a side portion of a tooth, including a dental matrix, a dental spring ring, and an improved inter-proximal elastomeric dental wedge having a wedge section, wherein when in use the dental matrix is placed adjacent the side of a tooth that has a cavity, the dental wedge is placed between the dental matrix and an adjacent tooth, then the dental spring ring is placed around the adjacent tooth and contacts the dental matrix on opposite side portions thereof to hold it in place against the tooth that has the cavity, such that when pulling on the end of the dental wedge it becomes elongated and pulls the wedge section further between the adjacent tooth and the dental matrix thereby pushing the dental matrix toward and holding tightly against the tooth that has the cavity.

The application relates to the technical field of dental instruments, in particular to an intelligent bite pad integrated with an opening device and a rubber dam clamp, which comprises a rubber dam clamp, the rubber dam clamp comprises two clamping arms and an elastic arc bow, the two clamping arms are connected through the arc bow, a first bite part is arranged on one side of the clamping arms close to the arc bow, a connecting shell is fixedly arranged on the top of the first bite part, a connecting port is arranged on the side, away from the first bite part, of the connecting shell, a second bite part is movably arranged on the connecting shell, an adjusting assembly for adjusting the distance between the first bite part and the second bite part is arranged in the connecting port, and bite grooves are arranged on the sides, away from each other, of the first bite part and the second bite part. During oral treatment, the rubber dam cloth is used to separate the diseased tooth from other oral structures, the diseased tooth is isolated, the patient bites the first bite part and the second bite part, the oral cavity of the patient is supported, and the comfort of the patient is improved.

Provided herein is a retraction device for retracting soft tissue from the dental surfaces in the oral cavity of a patient. The retraction device is comprised of a topology conformable structure, where the topology conformable structure is adaptable to be delivered to the oral cavity in a constrained shape. The device can then undergo a conformation change in the oral cavity, where the device transforms into its unconstrained shape. The unconstrained shape of the device creates a useable working field in the oral cavity. The useable working field can provide increased accessibility to and / or visibility within the oral cavity. Also provided herein are methods for using the device and kits.

To provide a novel custom tool for forming a dental restoration in a mouth of a patient.SOLUTION: A custom tool for forming a dental restoration in a mouth of a patient is provided, the custom tool including: a facial mold body 12 for a patient-specific, customized fit with the facial side of at least one tooth of the patient. The facial mold body includes a restorative portion 16 and a first engagement portion 18a extending away from the restorative portion; and a lingual mold body for a patient-specific, customized fit with the lingual side of the tooth of the patient. The lingual mold body includes a restorative portion and the first engagement portion extending away from the restorative portion. The first engagement portion of the facial mold body interlocks with the first engagement portion of the lingual mold body. The facial mold body and lingual mold body are configured to form a mold cavity encompassing a missing tooth structure of at least one tooth to be restored.SELECTED DRAWING: Figure 1

A dental matrix band system is shown comprising a circumferential matrix band, tensioner assembly, and readily releasable activator. Selective application of opposing lateral forces to the activator serves to facilitate mating and decoupling of the tensioner and applicator and selective application of opposing rotational forces to the applicator serves to tighten and loosen the circumferential matrix band.

The utility model belongs to the technical field of rubber barrier clips, and particularly relates to a rear tooth rubber barrier clip stabilizing device. Comprising an elastic metal ring, the elastic metal ring is an open ring, rubber barrier clamping assemblies are fixedly arranged at the two ends of the elastic metal ring, and two stabilizing assemblies are arranged on the inner side of the elastic metal ring. According to the utility model, the stabilizing assembly is arranged to provide upward supporting force for the rubber barrier clamping assembly clamped on the rear teeth, so that the rubber barrier clamping assembly tends to be horizontal, and the rubber barrier clamping assembly in the horizontal state can prevent the rubber barrier clamping assembly from being inclined due to stress and colliding with the gingiva of a treated child; the problem that the tooth treatment progress is affected due to the fact that children feel painful due to the fact that the children do physical reactions when eating the teeth, and the physical reactions of the children not only affect doctors to observe the teeth needing to be treated of the children, but also enable the doctors not to treat the teeth through medical instruments is solved.

The utility model discloses a stay wire type tooth space wedge which comprises a space wedge body and a stay wire, the space wedge body is an elastic body, a through hole is formed in the center of the space wedge body in the length direction in a penetrating mode, and the stay wire is fixedly connected in the through hole and protrudes out of the two ends of the space wedge body. The gap wedge body comprises a small end and a large end, the size of the gap wedge body is gradually increased from the small end to the large end so that the gap wedge body can be in a wedge shape, and at least one concave area is arranged on the outer wall of the gap wedge body in the circumferential direction. According to the pull line type tooth space wedge, the tooth space wedge can be more conveniently placed in a tooth space, the whole tooth space can be plugged tightly after the pull line type tooth space wedge is pulled, the forming piece is made to make close contact with a hole-shaped gingival wall, the pull line type tooth space wedge can adapt to spaces of different tooth spaces, gingival walls on the two sides of a cheek tongue can be plugged tightly, overhang is avoided, multiple sizes do not need to be designed, and the application range is wider.

The utility model relates to the technical field of medical supplies, and discloses an oral cavity rubber barrier capable of absorbing water, which comprises a fixing frame, the bottom of the fixing frame is fixedly connected with a bottom layer rubber barrier, the bottom of the bottom layer rubber barrier is fixedly connected with a plurality of tooth position sleeves, the top of the fixing frame is fixedly connected with a top layer rubber barrier, and the top layer rubber barrier is fixedly connected with a plurality of tooth position sleeves. A plurality of flow guide holes are formed in the top of the top-layer rubber barrier, a drainage tube is fixedly connected to the interior of the bottom-layer rubber barrier, and a drooping suction tube is fixedly connected to the exterior of the drainage tube. According to the utility model, through the matching of the double-layer rubber barriers and the use of the flow guide holes, liquid contained in the oral cavity can be conveniently sucked out through the drainage tube during use, the drying degree and the operation visual field in the oral cavity treatment process are improved through the design, and the discomfort of a patient in the treatment process is reduced; the safety and the efficiency of dental treatment can be improved, and a doctor can be ensured to operate in a clear and comfortable environment.

One of the objectives of this invention is to provide a dental stabilization device that prevents a patient from easily loosening their teeth during a dental procedure. To this end, the inventor proposes a dental stabilization block comprising internal channels that open onto the faces of the block which come into contact with the patient's teeth. These internal channels are connected to an inlet through which an occlusal registration material can be injected. This material is designed to harden and mold to the patient's teeth. In this way, once the occlusal registration material has hardened and molded around the teeth, it becomes more difficult for the patient to loosen their teeth from the dental stabilization block. Figure to be published with the abstract: Figure 2

The utility model provides a rubber barrier capable of automatically sucking saliva. The rubber barrier comprises a rubber barrier main body, a filter screen and a negative pressure suction tube, the rubber barrier main body comprises a ring cover, a funnel, a rubber barrier and a rubber hose, the rubber barrier is positioned at the upper end of the rubber barrier main body and is in a shape with high periphery and low center, the ring cover is positioned at the lower end of the rubber barrier, and four supporting bulges which are symmetrically distributed about the circle center are connected to an inner ring of the ring cover; the filter screen is fixed on the ring cover through the supporting protrusion, a funnel is connected below the ring cover, a rubber hose is arranged at the bottom of the funnel, and the end of the rubber hose can be tightly connected with a negative pressure suction tube. The device is simple in structure, few in operation equipment, capable of well exposing the oral cavity operation visual field, capable of improving oral cavity diagnosis and treatment efficiency, free of nursing and saliva suction, capable of reducing manual operation and capable of automatically collecting blood, water and material scraps generated in oral cavity treatment in a centralized mode.

The invention discloses a tooth root filling and repairing former, which belongs to the technical field of oral medicine and comprises a plurality of forming sheets in different forms. A connecting part of the positioning and fixing mechanism is detachably connected with the forming sheet, and the positioning and fixing mechanism is used for positioning the position of the forming sheet and fixing the forming sheet. According to the anatomical forms of different tooth roots, through the repairing pieces in different forms, the tooth root filling repairing device can adapt to the shapes of various tooth roots, tooth root filling repairing is facilitated, filling steps are prevented from being formed, filling repairing convenience, accuracy and adaptation are improved, and the correct physiological anatomical form of the tooth roots is recovered.