333results about "Dentist forceps" patented technology

A pliers for forming orthodontic wires has opposing beaks with complementary wire-forming surfaces that include interfering portions. A hinge mechanism enables the beaks to open and close by rotating about an axis, and also allows a range of axial motion between the beaks sufficient to prevent interference between the wire-forming surfaces as the beaks are closed. By preventing such interference, novel over-bending capabilities can be achieved to form useful bending of low spring rate wire. A spring, such as a Belleville washer, exerts a biasing force parallel to the hinge axis to maintain alignment of the beaks, but allows the required range of axial motion between the beaks to prevent interference.

The present invention relates to endoscopic clips with multiple independently-controlled legs. The present invention also relates to a method for using a clip with multiple independently actuated legs. The clips and methods of the present invention may be used, for example and without limitation, for repairing tears and other defects endoscopically.

Root canal abutment devices and methods which facilitate the adjustment or removal of an oral appliance, e.g., a crown or bridge, from a reconfigurable abutment assembly are described. The adjustable abutment assembly may be secured within a pulp chamber of a pre-existing tooth. The abutment assembly has a projecting abutment portion with one or more shape memory alloy sleeves or plates or elements extending along the abutment. Each of the sleeves has a length with at least one curved or arcuate portion. Energy may be applied to the elements such that the arcuate portion flattens to allow for the oral appliance to be placed thereupon while removal of the energy allows the elements to reconfigure into its curved configuration thereby locking the oral appliance to the abutment. Removal of the oral appliance may be effected by reapplication of energy to the elements.

A compact, easily transportable dental system to permit root and root tip extractions from human and animal patients including those who are unable to visit an oral surgeon or veterinarian at a traditional office. An extraction bur having a lifting ball is embedded within and stands upwardly from the root or root tip to be extracted. The extraction bur is detachably connected to and rotated into the root / tip by a bur implanting device. A bur ejector is slidable through the bur implanting device to cause the extraction bur to be released therefrom once the bur has been implanted in the patient's root / tip. A universal fulcrum tray covers the root / tip and surrounds the patient's adjacent teeth during the extraction process. The upstanding extraction bur and the lifting ball thereof project through one of a pair of slots formed in the universal fulcrum tray. An extracting instrument having a pivot surface rotates over the universal fulcrum tray to apply a lifting force to the lifting ball of the extraction bur to pull the bur upwardly and the root / tip outwardly from its root socket.

The anterior composite matrix dental restoration system provides a matrix for holding a composite filling material in place as it cures, and a tool for holding the matrix in place during the curing of the filling material. The matrix comprises a thin, flat, flexible, and transparent sheet of plastic material with parallel tubular extensions on the opposite ends. The distal ends of the specialized forceps tool are inserted into the tubular ends of the matrix and used to install, hold, and remove the matrix. The relatively small and narrow tool greatly increases the comfort of both patient and dentist or dental technician by precluding need to insert and hold the fingers in the mouth of the patient to install, hold, and remove the matrix. The matrices may be provided in different sizes, with at least the tubular end components being optionally color coded to indicate the corresponding size.

Dental pliers with two pliers parts, each respectively comprising one jaw of a pliers mouth and one lever arm of a pliers grip, the pliers parts pivotably connected with each other via a linkage. The linkage includes a cylindrical journal (26) on the first pliers part (12) coaxial to the pivot axis, which engages in a cylindrical bore (32) on the other pliers part (10) coaxial to the pivot axis having the same diameter, and is rotatable in this bore (32) about the pivot axis. The journal (26) and the bore (32) are axially located form-fittingly via at least one circumferential tab (28) and one circumferential groove (34). The at least one circumferential tab (28) extends only over a partial angular area of the circumference. At least one entry segment (36) corresponding to the cross-sectional shape of the circumferential tab (28) leads axially to the circumferential groove (34). The at least one circumferential tab (28) and the at least one entry segment (36) are so oriented in their angular orientation in the respective linkage area (22) or as the case may be (24), that these come into registry with each other in the open or spread position of the pliers parts (10, 12), and the at least one circumferential tab (28) can be introduced into the circumferential groove (34) through the entry segment (36) or as the case may be removed therefrom, while in the other spread positions of the pliers parts (10, 12) the at least one circumferential tab (28) engages in the circumferential groove (34) and is held form-fittingly axially therein.

A dental pliers appliance and associated method for removing teeth from a patient's gum line and bone. First and second pivotally connected handles are provided, each including a user grasping portion. The first handle terminates in an arcuately extending jaw exhibiting a substantially pointed end, the second handle terminates in an opposing and offset support exhibiting a support surface with an ergonomic configuration substantially matching that of the patient's gum line. Upon aligning the support along a selected location below the gum line, and further aligning the jaw in abutting fashion against an inwardly facing side of a tooth, the offset support defining a center point of rotation proximate to an edge location of the gum line and bone. The handles are subsequently rotated in an outward fashion away from the patient's gum line to forcibly dislodge the tooth from the patient's gum line and bone.

A screw tap type device for loosening or extracting a wisdom tooth is provided. The device comprises a screw tap with a plurality of longitudinal cavities in the external screw thread, creating cutting teeth which create a strong frictional grip with a rough dentine wall of a previously drilled tapered tunnel of a wisdom tooth. A user can then twist the device to exert axial bodily dislocating force for easy loosening or extraction of the wisdom tooth.

A method for fabricating a custom surgical stent. A human third molar tooth bud ablation system for use in a tooth bud ablation procedure that results in tooth agenesis. A tooth bud ablation procedure that results in tooth agenesis. These methods, systems, and procedures may include and / or use ablation probe tips and / or stents.

A tooth extraction device is provided that uses a clamp assembly to clamp a tooth to be extracted, and a handle for positioning the clamp assembly within a patient's mouth. A cable and an actuator for moving the cable are provided for moving the clamp assembly. The clamp assembly includes a pair of clamp links pivotally connected to a carrier block. The carrier block is slidably movable relative to the handle to extract the tooth after the clamp links are rotated into engagement with opposite sides of the tooth. A base tooth support engages a first neighboring tooth on a proximal side of the clamp assembly, and a removable tooth support engages a second neighboring tooth on a distal side of the clamp assembly. The tooth supports distribute the force of extracting a tooth over the neighboring teeth, thereby allowing more control in manipulating the device during a tooth extraction.

A device for inserting a threaded dental implant (I) in a patients jawbone as well as for loosening and removing a threaded dental implant (I) mounted and possibly osseointegrated in the alveolus jaw-bone of a patient. An ultrasonic vibration actuator, e.g. a piezoelectric transducer, generates ultrasonic vibrations with a frequency within the range 20-50 kHz, preferably within 24-36 kHz, and preferably in a direction around the longitudinal axis of the dental implant (I). The actuator, being a handpiece (H) structurally connected with a handpiece head (HD). A fitting-means (F), e.g. a socket, is positioned in the head (HD) of the handpiece (H), the head (HD) being arranged for entering the patient's mouth. The fitting-means (F) is shaped to provide a rigid engagement directly with the dental implant (II, I2) or indirectly by an adaptor (AD1, AD2) being rigidly tightened on top of the dental implant (II, I2) platform. The fitting-means (F) thus transmits ultrasonic vibrations to the dental implant (II, I2) for either inserting a dental implant or alternatively loosening the dental implant from the jaw bone.

A hand-held gripping device that allows one of a surgeon, a dentist, and an orthodontist to reach interior portions of a person's anatomy, includes a gripping portion having a pair of jaws movable relative to each other between fully clamped and fully opened positions thereof, a handle portion spaced apart from the jaw portion by a bendable central portion that has a hollow, bendable corrugated with at least one cord extending therethrough.

Ablation probe tips (108, 148, 320, 360) and physical and virtual stents (110) for use in tooth bud ablation procedures that result in tooth agenesis as well as tooth bud ablation methods are described herein.

Ablation probe tips (108, 148, 320, 360) and physical and virtual stents (110) for use in tooth bud ablation procedures that result in tooth agenesis as well as tooth bud ablation methods are described herein.

The present invention provides a method and compositions for tooth regeneration. Both implants of adipose-derived stem cell and dental pulp stem cell are able to grow self-assembled new teeth in extraction sockets when adding BMP2. The regenerated tooth is not only structurally similar to a normal tooth, but also well-developed in vascular and nervous systems with functions of growth, communication, and sensation. They are natural living teeth derived from this invented implantation method without any engineering procedure. It is ready for clinical testing and may be applied to future dental clinics.

Oral appliance activation devices and methods which are used to facilitate the securement, adjustment, or removal of an oral appliance, e.g., a crown or bridge, from a reconfigurable abutment assembly are described. The adjustable abutment assembly may be secured to an anchoring implant bored into the bones within the mouth. The abutment assembly has a projecting abutment portion with one or more shape memory alloy elements extending along the projecting abutment portion. Energy may be applied to the elements via the activation devices directly over or adjacent to the oral appliance to actuate the elements and thereby either secure or loosen the oral appliance relative to the abutment.

A material consisting of an insulating, ceramic-based matrix into which an endothermic gas-generating material is incorporated for the intended purpose of protecting electrical energy storage devices from cascading thermal runaway.

The invention discloses an integrated 3 D surgical guide, guide bar, mini-implant system and a procedure to stabilize dental prostheses, based on implanting two parallel mini-implants at a given distance and then joining them by means of a prosthetic bar mounted on them, thus achieving the required strength to mount on the bar a metallic clip that retains a dental prosthesis. The advantage of this integrated system is the stabilization of dental prostheses with high precision and save standardized protocol, lower costs and less trauma for the patient than the traditionally used method.

The present invention relates to an augmented reality system and implementation method for a dental surgery. In the augmented reality system and implementation method for a dental surgery of the present invention, an image convergence step, an interface step and an image projection step are performed. In the image convergence step, a common image obtained by photographing the face of a patient and a transmission image corresponding to the common image are collected, and the common image is mapped to the transmission image in a 3D image in which the common image and the transmission image overlap and registered with a server.

Self-locking forceps for gripping and transporting small objects and usable in particular in dental surgery, said forceps comprising two branches that intersect freely and have a proximal manoeuvring part and a distal gripping part, the proximal parts being joined elastically at one of their ends, while the distal parts end in jaws, such that the closing together of the proximal parts or grips causes the distal parts to spread apart, while release of the pressure exerted on said proximal parts is translated into an automatic closing together of the distal parts and therefore of the jaws in a clamping position; at least one of said jaws is provided with a cushion of flexible material; said self-locking forceps being provided with a means for limiting the clamping force generated by the return force of the spring formed by the proximal parts of the forceps.

A dental instrument includes a first arm, a second arm, which is pivotally coupled to the first arm about a pivot axis, and a spring. The first and second arms are pivotal with respect to each other in a plane generally orthogonal to the pivot axis. Each of the arms has a proximal portion, a medial portion, and a distal portion, with the proximal portions defining hand grip portions, and with the arms being pivotally connected at their medial portions. The spring biases the distal portions of the arms toward each other. Each of the distal portions comprises a first portion and a prong portion depending from the first portion. The prong portions comprise back-to-back generally C-shaped portions and spaced apart tines. The C-shaped portions define a pair of seats, with the tines depending from the seats and having spaced apart distal ends adapted for engaging a rubber-dam clamp, and the seats providing contacts for a dental retaining ring.

An apparatus to assist in the dislodging of an intraoral device. The apparatus comprises an elongate body having a central portion, a first distal portion having a first terminal end and an opposing second distal portion having a second terminal end. The first terminal end further comprises an outwardly depending lip and the second terminal end comprises an arcuate projection. The lip is used to exert a mechanical force on an affixed intraoral device to assist in dislodging the device. The arcuate projection is inserted in between the intraoral device and the tooth to assist in dislodging the device.

A powered surgical instrument is provided. In some embodiments, the powered surgical instrument may include a housing; a receiver, at least a portion of the receiver is movably received within the housing, a distal end portion of the receiver being configured to receive an expander adapted to expand a tooth socket within a treatment area, wherein the receiver is configured to move between a first receiver position and a second receiver position; a bias assembly operatively connected to the receiver and configured to urge the receiver towards the second receiver position; and an actuator disposed within the housing and configured to move the receiver at least from the first receiver position to the second receiver position, wherein the receiver is configured to be selectively moved between the first and second receiver positions independent of the actuator.

A flush cutter of wires located on a patient's teeth has at least one pivotably carried cutting edge. An outer surface of the edge can be positioned adjacent to a surface from which the wire protrudes. An elastic insert or clamp, for griping cut wire ends, is carried adjacent to the edge. The insert has first and second spaced apart ends. A rigid surface is located to pivot toward the edge. The elastic clamp extends, in part, to the inner surface of the edge. As the cutting edge moves toward the rigid surface to cut the wire, the elastic clamp grips the cutoff wire end for removal. The rigid surface can be formed as a second cutting edge that moves toward the one cutting edge.

A dental wrench device to loosen and extract teeth, comprising a handle with a fixed tapered jaw. A moveable jaw is also coupled to the handle. The tapered jaw is positioned along the root of a tooth selected to be extracted. The moveable jaw has a blunt contoured shape configured to grasp the gum and bone on the opposite side of the selected tooth at a level below the crown of the tooth. The device is applied and tightened around the selected tooth by turning a thumbscrew, or other jaw movement interface, that moves the moveable jaw end closer to the fixed tapered jaw end until the tooth is tightly gripped by the device. Once the wrench is locked into position, force may then be applied to extract the tooth. The device may also incorporate an optional force feedback gauge to warn the operator when excessive force is being applied.

Ablation probe tips (108, 148, 320, 360) and physical and virtual stents (110) for use in tooth bud ablation procedures that result in tooth agenesis as well as tooth bud ablation methods are described herein.