Abstract: The invention relates to a method for producing a dental drill that has a shank (1) and a work section. The shank contains a centrally arranged, continuous first channel (3). The work section contains one or more continuous, spiral-shaped further channels (4a, 4b). The first channel and the further channels open into a common chamber (5) connecting the shank and the work section. The shank is sintered with the work section in order to form a one-piece, sintered component that encloses the chamber connecting the shank and the work section.

Abstract: The present invention relates to a periodontal interdental tray and to a periodontal medicament tray syringe that can be used in conjunction with the periodontal interdental tray of the present invention, or can be utilized by itself or in conjunction with other periodontal trays already on the market. In one embodiment, the present invention relates to treatment of periodontal disease, and in particular to a dental tray syringe and method for delivering medicaments into areas of the mouth either supragingival or subgingivally to treat the infected areas.

Abstract: A tooth varnish that is free from pinus extracts, free of substantial undesired coloring agents, with a reduced viscosity, delivered in a user-friendly, flow-through, unit dose applicator and having improved fluoride release, uptake, and remineralization properties.

Abstract: A dental handpiece having a distal end including an attachment for assembly of a removable workpiece and a handpiece body intermediate a proximal end and the distal end. The handpiece extends in a substantially axial direction. A coupler is included having a cylinder portion and a supply-end portion, the cylinder portion being assembled into the handpiece extending in the axial direction toward the distal end. The cylinder portion includes at least one seal that interfaces with an interior of the body so as to isolate a portion of the body interior into at least one distinct chamber. The supply-end portion of the coupler extends from the proximal end of the handpiece body at an angle from the axis. The supply-end portion also includes a plurality of outlets, the at least one distinct chamber in fluid communication with one of the outlets of the plurality of outlets.

Abstract: An oral solution dispenser apparatus for attachment to a powered toothbrush handle having a drive coupling mounted thereon, includes a housing adapted for attachment to the handle, the housing having a recess therein for receiving a cartridge containing the oral solution, a pump disposed in the housing for moving the oral solution from the cartridge, and an outlet nozzle extending from the housing and adapted to permit movement of the oral solution from the pump and from the housing. A head having bristles thereon is adapted to interconnect with the handle drive coupling and the housing outlet nozzle, to facilitate powered movement of the bristles and movement of the oral solution from the outlet nozzle to proximate the bristles.

Abstract: Provided herein are compositions for applying a reference marker pattern or grid to the surface of an object to be imaged three-dimensionally. These compositions can be quick drying for ease of use. Methods of use of the compositions are also provided as well as devices and kits for the application of the compositions.

Abstract: Medical treatment devices, such as dental treatment devices, include at least a drive unit for driving a tool configured to act on a treatment site, a light-emitting device and a cooling media dispensing device for dispensing at least one cooling medium onto a tool and/or a treatment site. The device can be controlled, such as with a controller, to substantially alternatingly operate the light-emitting device and the dispensing device, thereby intermittently illuminating the tool and/or the treatment site and dispensing cooling medium toward the tool and/or the treatment site, respectively, which provides a user with an improved view of the tool, the treatment site, or both.

Abstract: The device for infiltration of approximal tooth surfaces, with a flexible planar element and with a holder into which the planar element is clamped, is characterized in that the planar element is a liquid-impermeable plastic film which has a surface area for taking up a liquid to be used for treatment, and in that the holder is a bow-shaped element with a web and two lateral arms which extend from the latter and are arranged in an arc-shape or U-shape, to which the plastic film is connected in a liquid-impermeable manner.

Abstract: An expansion device includes an inflatable balloon moveable from an unexpanded configuration to an expanded configuration configured to pass through soft tissue between two adjacent teeth of a patient when in the unexpanded configuration. The an expansion device also includes an inflation tube having one end connected to the inflatable balloon and another end serving as an entry port for an inflation fluid. The inflatable balloon has a triangular shape when in the expanded configuration.

Abstract: Provided is an abrasive tip with which a tip, a curette, or the like can be readily sharpened by anyone without requiring skill gained through experience. Provided is a shaft (2) that is detachably attached to an end of a handpiece of a dental ultrasonic scaler or a dental air scaler, and a flat plate (3) extending continuously from an end of the shaft (2) and having a top surface (9), a bottom surface, two side surfaces (11), and a front surface (12).

Abstract: An oral cleaning device includes: a wash water production tank in which wash water to be fed into an oral cavity is produced and stored; a water feed mechanism including a water feed channel having one end connected to the wash water production tank, a carrier configured to carry the wash water in the wash water production tank into the water feed channel, and a release unit connected to an outlet end of the water feed channel to release the wash water into the oral cavity; and an electrical discharge generator which includes a pair of electrodes for inducing streamer discharge in water, and a power supply configured to apply a voltage to the pair of electrodes, and is configured to produce hydrogen peroxide in the water by the streamer discharge.

Abstract: A device for reducing pain having an elongated shaft for grasping with a hand. The elongated shaft has a blunt end member. The blunt end member is shaped to allow a practitioner to apply force from the blunt end member onto a target tissue before using a syringe and needle to inject a fluid (e.g. anesthesia) into the tissue. There is a bore (hole) in the blunt end member, through which the needle is passed and subsequently, pushed into the tissue for injection of the fluid.

Abstract: A prophy angle for storing prophy paste in a controlled releasable manner, the angle having a first drive mechanism comprising a drive shaft for delivering mechanical energy to a rotatable head assembly at a distal end of prophy angle and an independent second drive mechanism configured to deliver a controlled amount of paste from a chamber to the distal end of the prophy angle, the second drive mechanism comprising an index wheel engaging an actuator so that the wheel may be driven in a stepped rotational manner upon actuation of the actuator by the clinician.

Abstract: A prophy angle is provided that includes a first drive mechanism positioned within a housing for delivering mechanical energy to a rotatable head assembly at the distal end of the housing. A chamber is enclosed within the housing for storing prophy paste. A paste-dispensing assembly that includes an actuator at the proximal end of the housing, a push rod linked to the actuator and supporting a plunger on the push rod is provided, where the push rod is supported by the housing in a biased manner to permit longitudinal movement within the housing in a reciprocating manner as actuated by the actuator, to dispense a controlled quantity of paste out of the prophy angle.

Abstract: An oral care instrument includes at least one oral care agent. In one embodiment, the oral care agent can be provided on one or more surfaces of the oral care instrument or included within cavities within the head or in one or more surfaces of a head. In other embodiment, the oral care agent can be provided in or on a thin slab subsequently bonded onto a surface, or applied as a stable coating. The oral care instrument can also be provided with a wear indicator. The oral care agents can be released during one use, during multiple uses, or throughout the life of the instrument. Water, oral secretions and/or chemicals within the mouth can activate the oral care agents.

Abstract: A device for treating a dental tissue comprising (a) an ozone generator for generating an ozone containing gas, (b) a first pump in fluid flow communication with the ozone generator for generating a flow of ozone containing gas, (c) an applicator for multiple teeth having a surface suitable for forming with the hard and soft dental tissue of multiple teeth to be treated (d) a treatment chamber having an inlet orifice in fluid flow communication with the ozone generator and the first pump and having an outlet orifice, and (e) a second pump in fluid flow communication with the outlet orifice of the applicator for removing gas from the treatment chamber. The second pump has a second throughput and the first pump has a first throughput whereby the ratio of the second throughput to the first throughput is at least 1.5:1.

Abstract: A structure for separating a discharge nozzle of an oral irrigator includes a first discharge path formed in one side of the irrigator body, a water pressure control lever rotatably arranged above the first discharge path and having a second discharge path in the other side of the irrigator body, a release button section provided on an upper portion of the water pressure control lever and into which the discharge nozzle is inserted and engaged, and configured, when pushed, to be bent so as to release the engaged discharge nozzle, and a locking section provided in the release button section and water pressure control lever to control a pushing operation of the release button section depending upon whether the first discharge path is open or blocked.

Abstract: A dental water jet apparatus for adjusting a pressurized water stream from a pump to a tip moves pressurized water from a reservoir to a tip in fluid communication with the pump. A flow control knob may be turned to selectively adjust the water pressure supplied by the tip between a minimum and a maximum value. When the flow control knob is turned in a first direction, the volume of fluid directed towards the tip decreases and the volume of fluid returned to an inlet of the pump increases. Fluid may flow from the reservoir and ultimately into the tip to provide oral irrigation and/or cleaning of the teeth, gums, and tongue.

Abstract: A prophy device incorporating a shaft and one or more corrugated members eliminates the need for plastic gears. The corrugated members effectively transfer rotational energy from a shaft to an applicator. In another version, a flexible paste chamber contains polish within a housing of the device. A difference between a rotational speed at a front of the paste chamber and rear of the chamber causes the flexible chamber to contract on itself thereby automatically forcing polish from the chamber and into a polish applicator. A rod extending through a paste chamber includes openings for contents to exit. The rod has one end in contact with a drive disk and a second end in contact with a front disk such that the ends of the rod are maintained substantially in place by the drive disk and front disk, respectively, but remain rotatably independent relative to the drive disk and front disk.

Abstract: An interdental treatment device comprises a generator 16 for generating a non-thermal gaseous plasma at a temperature suitable for use in oral treatment and an applicator 18 of the non-thermal plasma. The applicator 18 may comprise a hollow needle member for directing a jet of the non-thermal plasma interdentally. Alternatively the applicator 18 may comprise an interdental brush having a hollow head for receiving a non-thermal gaseous plasma, the head having at least one lateral opening for the discharge of the plasma. The generator 16 and applicator 18 may both form part of a hand-held device 10 having its own gas supply in the form of a capsule 12 containing pressurised gas and its own power supply in the form of a battery 20.

Abstract: A portable dental prophylaxis and bleaching system is provided for simultaneous tooth polishing and bleaching. It includes an oscillatory driving handpiece, a dental angle with a disposable rubber cup assembly, a dual-component dispenser, and a disposable mouthpiece. The battery-powered handpiece transforms a continuous rotation through a driving cam into a rotary oscillation which is then transferred through the attached dental angle to the rubber cup with an obtuse angle at its distal output end. The dispenser is operated manually to correctly apportion and mix the dual treatment materials into the rubber cup. In order to provide longer shelf life and effective bleaching action, the treatment materials are maintained at optimal pH values in separate compartments within the dispenser before use. The disposable mouthpiece is shaped for easy access to the user's teeth while protecting the gum surfaces. The system can be used both in dental clinics and at home.

Abstract: An injection assembly for injecting medicine. The assembly includes a selectively collapsible elastomeric bulb having a hollow interior and an outlet. The bulb is collapsible from an expanded configuration in which the hollow interior has an expanded volume to a collapsed configuration in which the hollow interior has a collapsed volume that is smaller than the expanded volume. The assembly includes a tube having a proximal end connected to bulb, a distal end, and an interior passage in fluid communication with the outlet of the bulb. The assembly includes a needle connected to the distal end of the tube having a sharp distal end. The needle has an interior passage in fluid communication with the interior passage of the tube for delivering medicine from the hollow interior of the bulb when the bulb is compressed and drawing fluid through the needle toward the bulb when the bulb expands.

Abstract: The invention relates to a medical turbine handpiece, in particular a dental turbine handpiece, having a drive shaft rotatably mounted in the front end region of the handpiece and to which a tool can be connected, as well as a turbine wheel arranged so as to be non-rotatable on the drive shaft and is arranged in a turbine chamber realized in the end region, into which turbine chamber a supply line for a flowing pressure medium for driving the turbine wheel opens out at an inlet opening and from which turbine chamber a removal line extends at an outlet opening, wherein at least one cross connecting channel for the pressure medium is realized in the wall of the turbine chamber, the cross connecting channel connecting the axially remote edge region of the turbine chamber to a region of the turbine chamber that is axially close to the drive shaft.

Abstract: A dental tool may include a head that may include a working portion and a neck. The neck may include a first end and a second end, and the working portion may extend from the first end. A handle may include a clamp and a socket. The socket may be configured to receive the second end of the neck. The second end may pivot within the socket to move the working portion and the neck relative to the handle. The clamp is may be adapted to selectively fix the second end relative to the handle.

Abstract: The present invention is in the field of tooth cleaning devices, especially electrical toothbrushes. The invention further relates to the use of an air/water jet for the cleaning of teeth. A process for cleaning teeth that incorporates a water jet for cleaning teeth remains to be desired, especially a single device that can be employed to clean teeth and reliably deposit material onto teeth. It is therefore an object of the present invention to provide a process for cleaning teeth with an electrical toothbrush device providing improved cleaning by means of an externally mixed air-water jet wherein the water dosing is not influenced by the air pressure. Surprisingly it has been found that a tooth brush device, comprising an air/water jet, wherein the air and water are mixed outside the nozzle(s), provides improved cleaning of dental surfaces, including inter-proximal areas, with low usage of water.

Abstract: A vibrational frequency adjustment device comprises, as a vibrational frequency adjustment means (22): a first conversion means (40) which is provided with an input-side rotating member (41), an output-side rotating member (42), and a one-way clutch (44) for transmitting only the rotational motion in one direction of the input-side rotating member (41) to the output-side rotating member (42) and which, by causing the input-side rotating member (41) to pivot in a reciprocating manner by a set angle by means of the reciprocating linear motion of an output shaft (10), transmits only the forward motion or the reverse motion of the input-side rotating member (41) to the output-side rotating member (42) through the one-way clutch (44) to thereby rotate the output-side rotating member (42) by a given angle; and a second conversion means (50) which converts the rotational motion of the output-side rotating member (42) into the reciprocating linear motion of a second shaft member (43).

Abstract: An irrigating device including a reservoir for storing fluid, a tip fluidly connected to the reservoir, and a pump operative to draw fluid from the reservoir and propel the fluid to the tip. The irrigating device further includes at least one reed valve positioned to regulate fluid between at least one of an inlet port or an exhaust port of the pump.

Abstract: The invention relates to a pneumatic injection device adapted to be connected with an air outlet of a dental chair for providing a compressed air flow, comprising: an injection unit comprising a unit body having a proximal end, a distal end and a cavity between the proximal and distal ends for receiving a dental cartridge, wherein the distal end has an injection needle connector for connecting a needle, and the proximal end is connected to an air seal adaptor in an airtight relationship; an output pressure selector having an output end connected air-tightly to the other end of the air seal adaptor; an air releasing means having an output end connected air-tightly to an input end of the output pressure selector; and an input pressure adjustor having an output end connected air-tightly to an input end of the air releasing means, an input end for connection to the air outlet of the dental chair.

Abstract: Disclosed is an oral care instrument which can maintain a sufficient support strength of a long neck, leaves little residue of a medicant after using, has a low contamination risk from nozzle tip, allows smooth spouting of a medical solution from the beginning, prevents excessive supply of a gelatinous or creamy oral-care composition in the case of flowing the composition in a supply channel inside the same, and contributes to the maintenance of the durability of a manufacturing mold. In the aforesaid oral care instrument which comprises a handle (2), a head (3) and a neck (4), a channel (11) for supplying oral-care composition running within the neck (4) to a nozzle (10) of the head (3) via the handle (2) is formed and the head (3) is connected in a detachable manner to the neck (4).

Abstract: A device for directing a liquid onto a plurality of surfaces of the oral cavity, the device including a handle, a neck, and a head, where the head includes a cleaning component including a chamber for maintaining the liquid proximate the surfaces, where the chamber is defined by front and rear sealing membranes, inner side walls and a base inner wall, and where the inner side walls each include a plurality of openings, the device further including a first manifold and a second manifold, a first port and a second port for conveying liquid; and means for providing an effective seal of the device within the oral cavity.

Abstract: A device for directing a liquid onto a plurality of surfaces of the oral cavity, the device including a handle, a neck, and a head, where the head includes a cleaning component including a chamber for maintaining the liquid proximate the surfaces, where the chamber is defined by front and rear sealing membranes, inner side walls and a base inner wall, and where the inner side walls each include a plurality of openings, the device further including a first manifold and a second manifold, a first port and a second port for conveying liquid; and means for providing an effective seal of the device within the oral cavity.

Abstract: An integrated or combined oral care device having an oral cleaning device including a handle, and one or more cleaning head assemblies and a fluid irrigation assembly attached or attachable to the oral cleaning device.

Abstract: The combination rotating dental cleaning brush and paste device. The device includes a housing having a rotating shaft therethrough. A compressible tube has two opposed ends, a first end which is rotated by the shaft and a second end having an opening therethrough. A brush is integral with, connected to, and rotated by the second end of the tube. Compression of the compressible tube forces dental paste inside of the tube out of an opening in the second end of the tube and onto the brush.

Abstract: The invention concerns a hand apparatus (1), in particular for dental purposes, for dispensing a pasty filler mass (M) the viscosity of which can be reduced by supplying vibration energy, having an apparatus housing (5), having a container (4) for the pasty filler mass (M), having an exit nozzle (11) standing in connection with the container (4), having a vibration generator (3), and having pressure production means (18) for exercising pressure on the pasty filler mass (M). In order to improve the transfer of vibrations in the region of the of the hand apparatus the vibration generator (3) and the container (4) are mounted movably with respect to the apparatus housing (5) and are directly vibration-coupled with each other.

Abstract: An oral irrigator tip defines a main fluid passage and first and second side fluid passages on a opposite sides of the main fluid passage. Each side fluid passage has an inlet and an outlet both in fluid communication with the main fluid passage. First and second island structures may be formed between the main fluid passage and respective side fluid passages. Fluid flow through the main fluid passage is drawn to sidewalls of the islands due to the Coanda effect. At least a portion of the fluid stream entering the main fluid passage is diverted through the first and second side fluid passages to create feedback loops that push the fluid flow through the main fluid passage alternately from side to side. An oscillating fluid stream is thereby delivered from the oral irrigator tip.

Abstract: An oral hygiene device having, in one implementation, a unique, peristaltic pump water streaming or jet action; and in another implementation, a multi-headed toothbrush may also be disposed on the end of a handle on which the jet nozzle or nozzles are disposed.

Abstract: An extender for a dental apparatus comprises a distal connecting portion, a proximal connecting portion, and an elongated portion disposed between the distal connecting portion and the proximal connecting portion, wherein the distal connecting portion is configured to connect to a dental drill bit or the proximal connecting portion and wherein the proximal connecting portion is configured to connect to a dental hand piece or the distal connecting portion.

Abstract: The invention relates to a device for supplying a dental retraction cord. The device comprises a cannula for dispensing a dental substance, and comprises a dental retraction cord disposed within the cannula so that the dental retraction cord is entrained by the dental substance dispensed through the cannula. The invention may help to facilitate a gingival retraction procedure in dentistry.

Abstract: Handpiece for dental or surgical use including fixed (2) components and moveable components, characterized in that at least some of said fixed (2) and/or moveable components are made from a composite material resulting from the association of at least two distinct basic materials, namely a matrix and a reinforcing agent, the composite material being deposited in one or several layers.

Abstract: A device for use in retracting a gingiva from a human tooth by widening a gingival sulcus with a dental composition. The device comprises a cannula with a free end having an opening for dispensing the dental composition. The free end is shaped to be inserted with its front in the entry of the gingival sulcus, and to laterally displace the gingiva from the tooth as the cannula is moved in the gingival sulcus. The invention may help to achieve a reliable and cost effective gingival retraction treatment.

Abstract: In a mixing tip of an impression material cartridge, a top connective plate is on the center of the top of a pair of cylinders, with an impression material cartridge installed with the connecting end of each of a pair of mixing tips facing each other located on each side of the top connective plate, and a mixing screw inserted into a protruding mixing tube on the center of the upper part, with a connective structure of the mixing tips having protruding connecting wings on the lower side of the supporting structure, formed to achieve diagonal symmetry of a rotational bump on the end surface of the connecting wings on a lower supporting side of the mixing tips, and on the lower surface of the rotational bump, cylindrical guide pins that guide the connecting direction of the mixing tips are each formed to protrude towards the bottom.

Abstract: A prophy device incorporating a shaft and one or more corrugated members eliminates the need for plastic gears. The corrugated members effectively transfer rotational energy from a shaft to an applicator. In another version, a flexible paste chamber contains polish within a housing of the device. A difference between a rotational speed at a front of the paste chamber and rear of the chamber causes the flexible chamber to contract on itself thereby automatically forcing polish from the chamber and into a polish applicator. A rod extending through a paste chamber includes openings for contents to exit. The rod has one end in contact with a drive disk and a second end in contact with a front disk such that the ends of the rod are maintained substantially in place by the drive disk and front disk, respectively, but remain rotatably independent relative to the drive disk and front disk.

Abstract: A medical apparatus is constructed to have a proximal end and a distal end, with the distal end including a source of mechanical tissue disruption that is configured to treat or ablate a target surface. The source of mechanical tissue disruption includes a tissue-disrupting distal end, and the medical apparatus further includes a flavored particle output for directing flavored particles in a direction toward the tissue-disrupting distal end. Another feature of the present invention includes a medical apparatus having a proximal end and a distal end. The distal end of the medical apparatus includes a source of tissue displacement that is configured to move or displace a portion of the target surface, and that is formed to have a tissue-displacing distal end. The medical apparatus can be configured to have a flavored particle output for directing flavored particles in a direction toward the tissue-displacing distal end.

Abstract: An evacuation and/or irrigation device for use in connection with a vacuum source and used in a relatively localized surgical area. The evacuation device has a main body connected to a dental tool and a hook-like evacuation needle connected to the body. The needle has a plurality of spaced apart vacuum ports to provide irrigation circumferentially to sterilize and clean the surgical area.

Abstract: The present invention relates to a periodontal interdental tray and to a periodontal medicament tray syringe that can be used in conjunction with the periodontal interdental tray of the present invention, or can be utilized by itself or in conjunction with other periodontal trays already on the market. In one embodiment, the present invention relates to treatment of periodontal disease, and in particular to a dental tray syringe and method for delivering medicaments into areas of the mouth either supragingival or subgingivally to treat the infected areas.

Abstract: The invention relates to a pneumatic injection device adapted to be connected with an air outlet of a dental chair for providing a compressed air flow, comprising: an injection unit comprising a unit body having a proximal end, a distal end and a cavity between the proximal and distal ends for receiving a dental cartridge, wherein the distal end has an injection needle connector for connecting a needle, and the proximal end is connected to an air seal adaptor in an airtight relationship; an output pressure selector having an output end connected air-tightly to the other end of the air seal adaptor; an air releasing means having an output end connected air-tightly to an input end of the output pressure selector; and an input pressure adjustor having an output end connected air-tightly to an input end of the air releasing means, an input end for connection to the air outlet of the dental chair.

Abstract: According to various embodiments, a dental prophylaxis angle is provided that includes including a content lumen within the body, wherein the proximal end of the body is attachable to a concentric drive dental handpiece and the distal end of the body includes a denial tip and a content portal proximate the dental tip. The dental prophylaxis angle can also include a collapsible container disposed within the content lumen and in fluid communication with content portal. The dental prophylaxis angle can also include a reciprocating advancement mechanism including a gripping section slidably attached to an exterior surface of the body and at least one member extending through the body and into the content lumen in communication with the proximal end of the collapsible container. When sliding the gripping section proximally along the longitudinal axis of the body the member at least partially compresses the collapsible container in the distal direction.

Abstract: The invention provides an instrument and methods for minimally invasive surgical scaling and/or planning procedures, thus reducing patient recovery time. Furthermore, the present invention overcomes the shortcoming in the prior art of inadequately preparing the diseased site or creating an aerosol by providing a device that is more mechanically abrasive by way of utilizing a rotational mechanical action of a plurality of bristles.

Abstract: An apparatus and system for performing dental hygiene comprising a motorized cleaning device comprising a water intake component and an oppositely positioned water exit component; a power component operatively connected to the motorized cleaning device; a floss component attached to the water exit component; a reservoir component operatively connected to the motorized cleaning device; and an aqueduct component attached to the reservoir component, wherein the aqueduct component traverses the motorized cleaning device, wherein the aqueduct component is positioned to direct pressurized water onto the floss component, and wherein the aqueduct component comprises a first end attached to the reservoir component; and a second end that contacts the water intake component of the motorized cleaning device.

Abstract: An irrigator handle to be used with a water jet apparatus for cleaning gums and teeth includes a visual indicator to let a user know when a tip has been properly attached to the handle. The handle in some embodiments also includes an audible indicator to let the user know when the tip has been properly attached. The handle has a pause button attached to plunger to restrict water flow when the pause button is depressed.