Abstract: A flushing apparatus for cleaning a cavity space of a cavity space containing member such as a tooth or a restorative piece is provided. The flushing apparatus includes a working space in communication with a pump for producing a vacuum in the working space, a supply conduit communicated with the working space, and an outlet conduit with the working space. The working space is disposed in fluid communication with the cavity space and an oscillation generator creates oscillatory movement in the flushing fluid which is fluidly communicated into the working space and the cavity space. An adapter communicates the working space with the cavity space. The flushing apparatus is operable to place the working space in a vacuum condition relative to the tooth or the restorative piece.

Abstract: An intraosseous delivery apparatus having a drilling member and a sleeve member. The drilling member includes a drill housing, a connecting portion for establishing a connection to a conventional dental drilling apparatus, and a drill extending from the drill housing. The sleeve member includes a sleeve housing, and a hollow sleeve extending from the sleeve housing. The sleeve housing is adapted to be removably engaged with the drill housing such that the drill is inserted into the hollow sleeve. The drill has a length such that when the drill is inserted into the hollow sleeve, a portion of the drill extends beyond the hollow sleeve. As a result, when the drill is used to drill a hole in bone, the drill is inserted deeper into the hole than the hollow sleeve. The hollow sleeve is adapted to be left inserted in the bone when the drill is removed therefrom.

Abstract: A method and system for selectively staining dental composite materials includes an applicator (104) and a disclosing agent (102). In one embodiment, the applicator (104) provides the disclosing agent (102) to a tooth surface and a composite filling of the tooth. The composite filling is selectively stained to reveal the presence and location of the composite filling. In another embodiment, the tooth surface is selectively stained to reveal the presence and location of the composite filling.

Abstract: Device for dispensing multi-component compounds, in particular for dental purposes. It is equipped with a timer for indicating one or more times which are relevant to the working of the compound. This timer can be triggered by the start and/or the end of the running of the device.

Abstract: A fluid dispensing assembly that may be used to supply fluid for use in dental instrumentation including irrigation, application, and aeration for treating a patient's mouth. The fluid dispensing assembly includes a fluid supply system that conveys fluid by pressurized air, and also includes a handpiece to allow flow between the fluid supply system and the patient's mouth. The fluid dispensing assembly further includes a separate handpiece for the delivery of only air into a patient's mouth.

Abstract: This invention relates to an oral therapeutic delivery appliance. By using this oral therapeutic delivery appliance medicaments may be delivered to oral soft tissues, where medicaments are easily absorbed. To aide the delivery of medicaments to oral soft tissues the oral therapeutic delivery appliance contains a therapeutic pooling reservoir where the medicaments may be placed. The oral therapeutic delivery appliance may be used to treat or aide in the treatment of various oral maladies such as periodontal disease (i.e., gum disease) as well as treating or aiding the treatment of other physical ailments and systemic diseases (e.g., diabetes and other chronic diseases which require either single, intermittent or constant dosing of medicament).

Abstract: A dental air/water syringe purge hold-down device having a hold-down portion, a bracing portion and one or more connecting portions. The hold-down portion holds down one or more buttons on a dental syringe. The bracing portion stably holds the hold-down portion against the buttons on the syringe and the side members serve to connect the hold-down portion and the bracing portion and enhance the hold-down activity of the hold-down portion.

Abstract: The present invention provides a dental handpiece filter unit containing a filter that minimizes the exposure of patients to pathogens found in the dental water supply lines while promoting frequent replacement of DUWL filters by providing a disposable microfiltration filter that is easily replaced at low cost. A disk or membrane type filter is placed in a disconnectable autoclavable filter unit in the handle of an existing design dental instrument such that the form and function of the dental instrument are not adversely affected. The handpiece filter unit, which fits in-line between the dental unit and the water line fitting, includes a waterline connector, a filter-housing unit, and a handpiece connector. Each of these components is connected to each other via plastic tubing. Specifically, the air and exhaust lines run from the waterline connector to the handpiece connector, circumventing the filter unit.

Abstract: An apparatus designed to clean surfaces and to recycle a cleaning fluid. The apparatus has a hand-holdable housing that includes a head with a distal end through which cleaning solution may be impelled. The apparatus further has a pump for both impelling and urging cleaning fluid back through a return path. The pump has a flexible membrane and a pump drive mechanism in which two pistons drive the flexible membrane. The cleaning fluid includes a foaming-resistant composition that has an abrasive agent; a shear thinning fluid matrix, and a non-foaming means.

Abstract: A capsule for mixing and applying dental cement includes a capsule body having a cylindrical shape, a longitudinal axis and a dispensing end. A mixing chamber is located in the capsule body, and it is designed and arranged to hold dental cement. The mixing chamber has an opening region. A piston is located in the capsule body and in the mixing chamber to be axially displaceable for expelling mixed dental cement through the opening region. An exit opening is located at the dispensing end of the capsule body and in the opening region. A closure cap is designed and arranged to cover the opening region. A clamping device is designed and arranged to rotatably connect the closure cap to the capsule body in the opening region to be in opposite fluid-sealing relationship. An unbent application cannula is fixedly mounted to the closure cap at an angle of approximately 10° to 80° with respect to the longitudinal axis of the capsule body.

Abstract: A paste formulation for dental use, a paste injector, and a system for detecting paste filling are disclosed. The paste formulation includes electric conductive material. The present invention also discloses the system for detecting paste filling comprising a paste injector (1) containing electric conductive paste (D) and an electric conductive member for electrically connecting the electric conductive paste (D) to an external electrode, a current detector (101) for detecting the current flowing through the electric conductive paste (D) reserved in the container portion (1), and a current display device (105) for indicating the current flowing through the electronic conductive paste (D).

Abstract: A fitting for releasably and sealingly connecting a conduit to a medical instrument. The fitting comprises a body having a proximal end, a distal end and a longitudinal axis extending between the ends. The body has a recess extending on the axis, a bottom adjacent its proximal end and is open at its distal end. The bottom of the body includes first and second passages for flow of first and second fluids. The fitting further includes a quick-connect device mounted in the recess and having a gripping mechanism. The conduit is receivable in the gripping mechanism for movement of the conduit in proximal and distal directions with respect to the body. The gripping mechanism permits one end of the conduit to be pushed through an opening of the quick-connect device to a position in which a tubular connector provides a sealing connection between a central passageway in the conduit and the first passage in the bottom of the body.

Abstract: A method for bleaching teeth is disclosed. The method includes the formation of a dental bleaching tray in a one step process that includes placing a moldable material adjacent teeth, permitting the moldable material to cure, and removing the cured moldable material which will then serve as a dental bleaching tray. Dental bleach may be placed into the dental bleaching tray and the tray may be placed onto teeth to accomplish bleaching. The entirety of the process may be performed at a patient's home or at a dental office, as desired.

Abstract: A dental irrigation device is provided having an irrigation system and means for pressurization. The irrigation system includes a reservoir having a volume of at least approximately eight ounces and an attachment mechanism adapted for positioning the reservoir on a bar of a dental unit. The reservoir has connecting means configured for providing an irrigant under pressure to a handpiece adapted for use with dental tools by a surgeon. The irrigant may be pressurized by an external source of compressed air through connecting means, for example, or have a pump in communication with the irrigant.

Abstract: A fluid conditioning system is adapted to condition the fluid used in medical and dental cutting, irrigating, evacuating, cleaning, and drilling operations. The fluid may be conditioned by adding flavors, antiseptics and/or tooth whitening agents such as peroxide, medications, and pigments. In addition to the direct benefits obtained from introduction of these agents, the laser cutting properties may be varied from the selective introduction of the various agents.

Abstract: A whitening system for a person's teeth includes a gel having a whitening agent, such as peroxide, contained therein. The gel is supported and carried in a channel formed in the central area of a strip of core material that also functions as a gum protective liner. The core and gum protective liner is preferably made of a biodegradable material or of a similar material that can be washed or brushed away. A release liner may be applied to the top of the combined gel and core and is removed to expose the gel when the system is to be used. Applied to the lower side of the core is a releasable backing layer that supports the gel and core and functions as an applicator for the system. The backing layer maintains the integrity of the core and allows the same to be molded to the surfaces of the teeth without having to directly handle the core with one's hands.

Abstract: The present invention provides a dental-mixture pouring device for pouring a mixture into a target site while minimizing catching of bubbles in the mixture, wherein vibration generated by a vibration generating mechanism 11 is transmitted by vibration transmitting means 17 including a storage section 30 for a mixture 23, and wherein a flexible tip 85 is provided at a terminal portion of the vibration transmitting means 17 for supplying a target site with the mixture 23 flowing out from an orifice 31, 32, 33 of the storage section 30.

Abstract: A composition and method for administering a treatment agent to a tooth, such as fluoride to improve the tooth's resistance to dental caries with a composition which can be selectively removed, the composition comprising a lac based compound with a treatment agent such as fluoride for applying to a tooth, and a method including selecting the color to be applied, preparing the colorized compound with the treatment agent to be applied to a tooth, exposing the tooth to be covered, applying the treatment containing a colorized compound to the enamel surface of the tooth, and allowing the compound to dry on the tooth, and selectively removing the compound from the tooth. Stencil apparatus can be used to create a design on the tooth using a covering compound.

Abstract: A powdering attachment for applying powder to tooth surfaces is disclosed. Such an attachment is useful in operations such as preparations of a tooth before the use of dental equipment in the CEREC® family of products. The powdering attachment may be connected to a dry air syringe that is adapted to allow for the removable connection of dental accessories such as the powdering attachment. When connected to the dry air syringe, the control valve mechanism on the dry air syringe controls the air flow into the powdering attachment. An air tip assembly is given as an illustration of another dental accessory that may be attached to the modified dry air syringe.

Abstract: A method for sterilizing conduits that convey fluid to medical instruments, especially dental handpieces comprises the following steps: removing at least the end portions of supply branches or forks of the handpieces from their respective rest positions and placing them in a container; introducing a sterilizing liquid in each of the supply branches or forks for a predetermined time; and draining the sterilizing liquid out of the branches or forks. The final draining step is effected by flushing the inside of the branches or forks with a sterile fluid that can be supplied through a second branch independent of the main water source.

Abstract: A dental syringe tip for use with a hand-piece of an air-water syringe to deliver air and water to a mouth of patient. The syringe has air and water conduits for delivering air and water to a discharge end of the hand-piece. The dental syringe tip includes a single unitary tube releasably engageable with the discharge end of the hand-piece. The tube has a fluid passageway extending from an intake port at an intake end of the tube for fluid communication with the air and water conduits of the hand-piece. In addition, the tube has a discharge port at a discharge end of the tube for delivering at least one of the air and water through the passageway to the mouth of the patient. The intake end of the tube is shaped and constructed to enable air and water flow through the air and water conduits when at least a portion of the intake end of the tube engages the discharge end of the hand-piece.

Abstract: A dentifrice form consisting of a dry compound of sodium bicarbonate as an oral bactricidal agent and oral antacid, psyllium husk fiber as a delivery system being an absorbent expansive binder and a flavoring agent. The dentifrice form is then placed in a porous dental mouth tray which is lined with a permeable matrix moistened with potable water. The dentifrice form in the tray is then moistened with potable water and the tray with the moistened dentifrice form is inserted into the oral cavity and placed against the upper or lower dental arch so as to cause the dentifrice form to be in contact with the teeth and gums of the respective arch for a period of seven minutes. The process is then repeated for the remaining dental arch.

Abstract: An assembly for retaining medication in an oral medication delivery tray includes a substrate, a layer of adhesive extending across the substrate and a release liner initially connected to the layer of adhesive. The assembly also includes a tab portion connected to the layer of adhesive and extending past the substrate. The tab portion serves as a handle to facilitate separation of the layer of adhesive from the release liner as the substrate is pulled away from the release liner, so that the layer of adhesive remains on the substrate.

Abstract: A fitting for releasably and sealingly connecting a conduit to a medical instrument. The fitting comprises a body having a proximal end, a distal end and a longitudinal axis extending between the ends. The body has a recess extending on the axis, a bottom adjacent its proximal end and is open at its distal end. The bottom of the body includes first and second passages for flow of first and second fluids. The fitting further includes a quick-connect device mounted in the recess and having a gripping mechanism. The conduit is receivable in the gripping mechanism for movement of the conduit in proximal and distal directions with respect to the body. The gripping mechanism permits one end of the conduit to be pushed through an opening of the quick-connect device to a position in which a tubular connector provides a sealing connection between a central passageway in the conduit and the first passage in the bottom of the body.

Abstract: A unit for detecting contaminating agents, especially in dental surgeries, comprises detecting-transducing means of a chemical, biochemical or electrical type designed to detect a quantity as a function of a variable to be checked and to provide an electrical signal corresponding to the quantity detected; and means for signaling the quantity, connected to the detecting-transducing means.

Abstract: A toothbrush including a handle that has a first chamber towards a closed end in which is located a bristled head, and access passageways through the bristled head externally of the bristles. The access passageways communicate with the first chamber. A fluid supply line is provided on or in the side of the first chamber from which extend the bristles of the bristled head. The fluid supply line extends into the bristled head and has at least one outlet sited within the confines of the bristles. In addition, there is an air vent to prevent a build up of vacuum in the mouth of the user, located on the side of the first chamber from which extend the bristles of the bristled head. The air vent terminates at one end in close proximity to the bristles to that side of the bristled head, and terminates at the other end at a distance along the length of the handle to ensure that it cannot be fouled by the mouth of a user.

Abstract: The intraoral diffusion type administration device of the present invention is incorporated in a dental restoration, such as a complete denture, a partial plate denture, and a mouthpiece, and comprises: chambers for storing an administration material, permeable walls provided at said chambers, tubes having one ends connected to said chambers and having openings at predetermined positions, and shuttering means provided at said walls and at said openings of said tubes, said shuttering means open when in use, or not in eating and drinking, and close when not in use, or in eating and drinking. The permeability of the walls permits saliva to enter the chambers to dissolve the administration material, and the concentration gradient in the tube results in gradual diffusion of the solution into a mouth.

Abstract: A multifunction hand-held syringe for use in dental restorative procedures in conjunction with conventional instrument delivery systems. The multi-function syringe includes multiple reservoirs for containing viscous material (e.g., resin and etchant), conduits for delivering etchant, water, air, and resin to an affected area, wherein the syringe is capable of delivering etchant, water, air, and resin to an affected area on the tooth surface. The multi-function hand-held syringe is further characterized by a light emitting source capable of curing the resin extruded onto the affected area. The syringe also includes a detachable shank such that the nozzle may be removed for cleaning. The syringe also includes a coupling for connecting the syringe to conventional instrument delivery systems such that the syringe is portable.

Abstract: The invention is directed to a device (1) for cleaning teeth and gums, which is provided with a liquid container (2) that is joined by way of a liquid supply conduit (7) to an inlet (8) of a pump (9) adapted to be driven by an electric motor (10). The pump, when activated, draws a liquid (3) from the liquid container (2) to the inlet (8). Still further, an air supply conduit (13) is provided which is connected to the liquid supply conduit (7) for the purpose of admixing air to the drawn liquid (3). According to the invention, at least a section (15) of the air supply conduit (13) is arranged at a level above a maximum possible level (14) of the liquid (3). This prevents the escape of liquid (3) from the device (1).

Abstract: An ultrasonic dental tooth treatment system including an ultrasonic dental handpiece, a fluid reservoir housing and a power control housing. The reservoir housing is supported by the control housing. The reservoir housing encloses two containers which are connected to the selector valve. The selector valve is connected to a control housing conduit which is connected to the handpiece. The control housing encloses a power control circuit which is connected to the handpiece. In a preferred embodiment of the invention a fluid dispenser includes at least one readily removable reservoir container supported by a reservoir housing having a pivotable cover and a fluid control valve. The cover is pivotable between an open position and a closed position. The valve is closed by the cover when the cover is in its open position.

Abstract: A quick-connect syringe tip for use with a dental handpiece. The syringe tip resists rotation about an axis through the connection end, allowing retraction of a cheek or lip without changing the orientation of a discharge fluid stream.

Abstract: A dental device is disclosed for dispensing a slurry-like dental compound, such as MTA, into a tooth cavity. The device comprises a delivery tool with a dispensing tip and a plastic tubing sleeve, for example, polyethylene, TEFLON®, TYGON®, or other inert tubing. The inner diameter of the sleeve is approximately the same as or slightly less than the outer diameter of the dispensing tip, thereby creating a tight seal between the sleeve and the dispensing tip, but still allowing the sleeve to slide along the dispensing tip when pressure is exerted. The outer diameter of the sleeve is chosen so that the sleeve rim forms a seal around the insertion point on the tooth. The sleeve length is long enough to allow a hydrated filling compound such as MTA to be loaded within the bore of the sleeve between the end of the sleeve and the displacing shaft, but short enough to withstand pressure applied to the dispensing tip to extrude the compound.

Abstract: The water valve links a dental handpiece to its tubing. The tubing conventionally has a high-pressure air tube in which air will flow when the handpiece is selectively activated, a cooling water tube for cooling the handpiece head and the patient's tooth during use of the handpiece head, a cooling air tube for converting the cooling water flow into an atomized water spray, and a discharge tube, in which part of the high-pressure air flow are carried away from the dental handpiece. The water circulation device includes a valve which has four inner conduits each operatively linking the respective tubes to the dental handpiece. Furthermore, a bypass channel is formed in the valve, between the valve member water conduit and discharge conduit.

Abstract: Methods and apparatus for treating a person's teeth are disclosed. In one embodiment, the carrier is coated or impregnated with a paste, gel, or solution which contains medicaments which decrease teeth sensitivity. In another embodiment, a carrier is coated or impregnated with a paste, gel, or solution which contains medicaments which promote the repair or remineralization of tooth enamel. In yet another embodiment, the carrier is coated or impregnated with a paste, gel, or solution which contains therapeutic medicaments such as antibiotics.

Abstract: An intraosseous delivery apparatus having a drilling member and a sleeve member. The drilling member includes a drill housing, a connecting portion for establishing a connection to a conventional dental drilling apparatus, and a drill extending from the drill housing. The sleeve member includes a sleeve housing, and a hollow sleeve extending from the sleeve housing. The sleeve housing is adapted to be removably engaged with the drill housing such that the drill is inserted into the hollow sleeve. The drill has a length such that when the drill is inserted into the hollow sleeve, a portion of the drill extends beyond the hollow sleeve. As a result, when the drill is used to drill a hole in bone, the drill is inserted deeper into the hole than the hollow sleeve. The hollow sleeve is adapted to be left inserted in the bone when the drill is removed therefrom.

Abstract: An apparatus and method is disclosed for treating a tooth with an active agent such as a tooth whitening agent comprising a stint having an internal region defined by an internal surface. A plurality of indentations are formed in the internal surface for retaining the active agent to maintain the active agent in contact with the tooth when the stint is applied upon the tooth. The stint is molded from a sheet of plastic material with the indentations being formed by an abrading process such as abrasive blasting or the like.

Abstract: In combination, a syringe tip and a dental syringe fitting for releasably connecting the syringe tip to a hand piece for delivering a fluid to a mouth of a patient. The hand piece has a passageway for delivering the fluid to a discharge end of the hand piece. The tip includes an interior passage for transporting the fluid to the patient and an exterior surface having a circumferential groove extending around the exterior surface of the tip. The fitting includes a body adapted to attach to the hand piece adjacent the discharge end, the body having a central opening sized and shaped for receiving the tip. A gripping mechanism is mounted in the opening and has a plurality of locking fingers disposed around the opening adapted to releasably engage the groove when the tip is received in the opening thereby to secure the tip to the hand piece. A method for connecting and disconnecting the syringe tip from the hand piece is also disclosed.

Abstract: A reservoir system for delivering an active agent into an oral cavity over an extended delivery period includes a pair of rigid plastic containers, which each have a hollow interior space for containing the active agent and at least one opening for dispensing the active agent, and a flexible plastic appliance for securing the containers within the oral cavity at a desired location. The containers are located within chambers formed in opposite sides of the appliance. The container includes a molded plastic body having a size and shape suitable for comfortably retaining the container within the oral cavity for the extended delivery time. The body is generally oval and cabochon-shaped to comfortably fit in the vestibule between the teeth/gums and cheek of the patient and has a plurality of dimples for selectively forming venting and dispensing holes at desired locations. The appliance is custom molded to closely fit the patient.

Abstract: A device is provided for the treatment of teeth including an outer layer of non-porous polymeric material forming a trough, an inner layer forming an inner lining of the trough, and a treatment layer including a treatment agent disposed between the outer layer and the inner layer. The inner layer allows penetration of the treatment agent through after an aqueous solution is introduced to the device. A device is provided for the treatment of teeth including an outer layer of non-porous polymeric material in the form of a trough, wherein the trough has an outside and an inside surface. An outer lining layer is proximate to the inside surface of the outer layer; the outer lining layer includes a material for retaining a treatment agent. An inner lining layer forms an inner lining of the trough, wherein the inner lining layer includes a water-permeable material. A treatment layer is disposed between the inner lining layer and the outer lining layer, wherein the treatment layer includes a treatment agent.

Abstract: An intraosseous delivery apparatus having a drilling member and a sleeve member. The drilling member includes a drill housing, a connecting portion for establishing a connection to a conventional dental drilling apparatus, and a drill extending from the drill housing. The sleeve member includes a sleeve housing, and a hollow sleeve extending from the sleeve housing. The sleeve housing is adapted to be removably engaged with the drill housing such that the drill is inserted into the hollow sleeve. The drill has a length such that when the drill is inserted into the hollow sleeve, a portion of the drill extends beyond the hollow sleeve. As a result, when the drill is used to drill a hole in bone, the drill is inserted deeper into the hole than the hollow sleeve. The hollow sleeve is adapted to be left inserted in the bone when the drill is removed therefrom.

Abstract: An oral cavity washer with a video scope, has

Abstract: The supply of water used in dental operations and other applications in a dental office, or other medical facility, wherein non-contaminated water is necessary to avoid transmission of microorganisms, is enriched with oxygen, whether from ambient air or a source of oxygen. The oxygenated water is passed through a silver containing catalyst cartridge. The water borne oxygen is attracted to the silver and forms a weak bond sufficient to permit dissociation to oxidize organic matter, including microorganisms. A small amount of silver dissolves in the water and flows downstream through the attendant conduits to and through dental handpieces and dental implements. A portion of the silver will adhere to the walls of the conduits, handpieces and implements where it is free to react with the oxygen dissolved in the water flowing therepast. The resulting oxidizing of the organic matter will destroy any biofilm present and prevent biofilm buildup.

Abstract: A dispensing system for dispensing first and second materials to a desired location within the mouth of a patient, includes: (i) a two-part material delivery system; (ii) a delivery tip configured to deliver material to a specific location within a patient's mouth; and (iii) a flexible adaptor configured to flexible couple the delivery tip in fluid communication with the two-part material delivery system The flexible adaptor enables a practitioner to move the delivery tip to a specific location within the patient's mouth while the delivery system is remotely held.

Abstract: In combination, a syringe tip and a fitting for releasably connecting the tip to a hand piece for delivering a fluid forward to a mouth of a patient. The hand piece has a passageway for delivering the fluid to a discharge end of the hand piece. The syringe tip includes an elongate tube having an exterior surface and an interior passage extending through the tube for transporting the fluid to the patient, the exterior surface of the tip including a portion having a generally constant size and uniform shape. The fitting includes a body adapted to attach to the hand piece adjacent the discharge end, the body having a central opening sized and shaped for receiving the portion of the tip. The fitting also includes a gripping mechanism mounted in the opening having a plurality of locking fingers disposed around the opening.

Abstract: A selectively operable removable purge unit is provided for flushing and disinfecting a primary line through which water is directed in normal operation of a dental unit to various devices in the unit, the purge unit including a solution reservoir, a double inlet single outlet router valve, an inlet air line removably connectable between a pressurized air source and either the reservoir or the router valve, and lines between the reservoir solution and the router valve and the router valve and the primary water line.

Abstract: An intraosseous delivery apparatus having a drill coupling member and a drilling needle member. The drill coupling member includes a shaft, an open housing provided at one end of the shaft, a connecting portion provided at an opposite end of the shaft for establishing a connection to a conventional dental drill, and an anticlog needle extending from the shaft through the open housing. The drilling needle member includes a drilling needle housing and a hollow drilling needle shaft extending therefrom. The drilling needle member is adapted to be removably engaged with the drill coupling member such that the drilling needle housing of the drilling needle member is inserted into the open housing of the drill coupling member and such that the anticlog needle of the drill coupling member is inserted into the hollow drilling needle shaft of the drilling needle member.

Abstract: A hand piece assembly for an oral irrigator having a pressure control valve assembly, a stop valve, and a housing. The pressure control valve assembly has a valve body having an intermediate section having a substantially cylindrical bore therethrough. A valve gate having a cylindrical portion with an orifice bored therethrough has a control arm coupled to a guide portion for rotation within the valve body. A slide control is positioned on the housing and is coupled to guide portion of the valve gate, so that as the slide control moves linearly along a portion of the housing, the cylindrical portion of the valve gate correspondingly rotates within the bore of the valve body to adjust the pressure or flow rate of the fluid passing through the pressure control valve assembly.

Abstract: The present invention relates to a tray for holding medicament to be applied to the teeth and gums of a patient, said tray being unitarily formed of a flexible composite material comprising a flexible, fine-celled polymeric foam upper layer, a tying layer and a film bottom layer. Said tray provides the user with a comfortable fit and exhibits improved mechanical and chemical resistance characteristics. Said trays are stable, even when decorated with ornamental printing.

Abstract: The invention is directed to a jet nozzle (1) for a handle section of an oral irrigator. The jet nozzle (1) is provided with a nozzle head (2) having a discharge port (18) from which a liquid in the form of a single jet is dischargeable. The nozzle head (2) receives therein an impeller (6) rotary about an axis of rotation (4). The impeller (6) includes a bore (15) disposed at an angle (22) to the axis of rotation (4). The bore (15) is intended to direct the liquid to the discharge port (18). In operation, the impeller (6) executes a rotary motion about the axis of rotation (4). This creates a single jet exiting from the discharge port (18) and revolving on the surface of a cone. With this revolving single jet, a superior cleaning effect is accomplished in the cleansing and care of teeth and gums.

Abstract: This invention is a comb that is attachable to a faucet to allow water to run through the comb's hollow-shaped inner body. The water travels through the faucet, plastic or rubbertubing, the comb's inner body, and exits through the comb's hollow-shaped teeth with an exit portal at the tip. The comb's two assemblies are a shower adapter, essentially tubing for the shower arm and connector on the comb, and the water holes, allowing water to flow through the comb. The shower adapter also has a bi-directional valve on it to direct water either to the comb or the shower head.