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60 results about "Dental Curing" patented technology

The process by which resin-based materials are polymerized to become rigid.

Light emitting diode light source for curing dental composites

Light Emitting Diode Light Sources for Dental Curing are disclosed. Some embodiments of the invention include structures such as Light Emitting Diode Array(s), heat sink, heat dissipation, heat pipe, and control circuitry are disclosed.
Owner:KONINKLIJKE PHILIPS ELECTRONICS NV

Dental curing apparatus for light-sensitive materials

A dental curing apparatus for light-sensitive materials is disclosed. A light source for curing an adhesive is housed within a clear, transparent and / or translucent housing constructed of either a solid, such as a poured resin, or a hollow structure. The housing shape is selected to conform to an approximate shape of dentition. The housing is mountable within a disposable oversertion sheath. During use, the light source for curing an adhesive transmits light which cures the adhesives, sealants and / or whitening or coloring agents.
Owner:JACOB GREGORY S

Powder blast tool, powder reservoir, insert for powder reservoir and method of dental treatment

A powder blast tool for mixing a powder with a pressurised gas, having at least one powder reservoir, with supply lines for the pressurised gas, and a discharge line, which is connected to a discharge nozzle, at which a powder-gas mixture and optionally pressurised water are discharged, wherein the powder blast tool can preferably be connected to plural powder reservoirs simultaneously and exchangeably, wherein at least one receiving region with at least one mixture terminal and at least one gas terminal is disposed on the powder blast tool and wherein the powder reservoir has a coupling region for exchangeable connection of the powder reservoir to the powder blast tool. Also disclosed are a suitable powder reservoir and an insert for such powder reservoirs and a corresponding method of dental treatment.
Owner:FERTON HLDG

LED curing light

A light source which may be used as part of a dental curing lamp is comprised of at least one, and preferably a plurality, of LEDs. To increase the efficiency of the light output the LEDs are encapsulated in a beam converger including an extractor portion and a collimator portion. Light rays leaving the collimator portion have an angle which matches the entrance angle input requirements of an associated light guide. In another aspect, cooling of LEDs is accomplished by reservoirs located in a hand piece and in a base station. In another aspect of the invention, cooling is achieved by use of a heat pipe and a cooling jacket. The cooling jacket may contain a material having a high latent heat of fusion at a phase change temperature suitable for cooling the LEDs.
Owner:TSIMERMAN EFRAIM +1

Hydrophilic endodontic sealing compositions and methods for using such compositions

A root canal is filled and / or sealed using a hydrophilic sealing composition, optionally in combination with other filling materials. The sealing composition may include one or more resins that promote adhesion to hydrophilic dental tissues: The composition may be introduced into the root canal using a narrow cannula coupled to a high pressure hydraulic delivery device. In the case where a chemical cure composition is used to seal the root canal, a chemical initiator can be used to cause the mixed composition to harden over time. Hardening of at least a portion of the composition can be accelerated by including a photoinitiator and irratiating the mixed composition with radiant energy (e.g., from a dental curing lamp).
Owner:ULTRADENT PROD INC

Dental curing light

A curing light system useful for curing light activated composite materials is disclosed. The system includes a light emitting semiconductor device, a primary heat sink and a secondary heat sink. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them.
Owner:CAO GROUP

Dental curing light

A curing light system useful for curing light activated composite materials is disclosed. The system includes a light emitting semiconductor device, a primary heat sink and a secondary heat sink. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them.
Owner:CAO GROUP

Dental treatment tray comprising a plasticized resin for improved moldability and conformability

A dental treatment tray used to provide a desired treatment is injection molded from a composition that includes at least one thermoplastic resin and at least plasticizer. The plasticized thermoplastic resin permits the dental treatment tray to be injection molded even while having a wall thickness less than about 0.015 inch. The plasticizer increases the melt flow index of the thermoplastic resin while in a molten state, which facilitates complete filling of the mold cavity by the thermoplastic resin. The plasticizer also softens the thermoplastic polymer while in a solidified state in order to yield a dental tray that is even more flexible and comfortable for the user to wear.
Owner:ULTRADENT PROD INC

Light directing and amplifying device

The present invention is directed to a light directing and amplifying device for attachment to a dental curing device used in light cure bonding orthodontic brackets to teeth wherein an internal mirror directs the light 90 degrees from the light source, directly under the back side of the bracket, thus directly curing the light cure adhesive enhancing the cure and rate of cure.
Owner:GRAHAM NEIL JOHN

Cement for dental applications

ActiveUS20100267856A1Satisfactory removabilityCosmetic preparationsImpression capsDiketoneRestorative material
A cement for dental use, containing a first agent and a second agent, wherein both of the first agent and the second agent contain a polymerizable monomer (a) and a filler (b), wherein the first agent and / or the second agent further contains a photopolymerization initiator (c), wherein further as a chemical polymerization initiator (d), either one of the first agent and the second agent contains an oxidizing agent (f) and the other contains a reducing agent (g), the oxidizing agent (f) and the reducing agent (g) constituting a redox polymerization initiator, wherein the photopolymerization initiator (c) contains an α-diketone, and the photopolymerization initiator (c) is contained in a total amount of from 0.010 to 0.100 parts by weight, based on 100 parts by weight of the total amount of the polymerizable monomer (a), wherein the chemical polymerization initiator (d) is contained in a total amount of from 0.001 to 20 parts by weight, based on 100 parts by weight of the total amount of the polymerizable monomer (a), and wherein a cured product has a compression modulus immediately after photocuring of from 100 to 400 MPa, and a compression modulus after 24 hours from photocuring of 500 MPa or more. The cement for dental use of the present invention is suitably used for adhering the dentine and a crowning restorative material in the field of dental therapy, or the like.
Owner:KURARAY NORITAKE DENTAL

Dental treating apparatus

ActiveUS20130224678A1Safely and properly cutReduce stepsDental toolsBoring toolsElectric machineryEngineering
The present invention is directed to a dental treating apparatus including: a hand piece; a power source (micro motor); a driving unit (motor driver); and a controller. The driving unit drives the cutting tool so as to be switchable between first driving in which the cutting tool is driven clockwise and second driving in which the cutting tool is driven counterclockwise. When a rotation direction in which the cutting tool cuts an object to be cut is defined as normal rotation and a rotation direction opposite to the normal rotation is defined as reverse rotation, the controller sets the first driving as driving for the normal rotation when a first cutting tool rotated clockwise is held on the head unit, and sets the second driving as the driving for the normal rotation when a second cutting tool rotated counterclockwise is held on the head unit.
Owner:MORITA MFG CO LTD

Endodontic sealing compositions and methods for using such compositions

InactiveUS20020177100A1Speeds up the time in which a dentist can complete the endodontic procedureImpression capsTeeth fillingX-rayHigh pressure
Endodontic sealant compositions and methods for sealing a root canal using sealant or other filling materials. The compositions include one or more resins that promote adhesion to hydrophilic dental tissues. Examples include alkyl methacrylates and derivatives thereof, such as alkylamino methacrylates and oxyphosphoro methacrylates. The compositions include a radio opacifying agent, so that they may be seen using X-rays, and one or more polymerization initiators to effect curing, at least one chemical initiator and, optionally, a photoinitiator, to yield a curable sealant composition. The compositions are introduced into the root canal using a narrow cannula coupled to a high pressure hydraulic delivery device. Additional pressure may be applied to the sealant compositions using a syringe-like plunger introduced within a cylindrical access hole drilled through the crown of the tooth. The chemical initiator causes the mixed composition to harden over time. Hardening of at least a portion of the composition can be accelerated by including a photoinitiator and irratiating the mixed composition with radiant energy (e.g., from a dental curing lamp).
Owner:ULTRADENT PROD INC

Adhesive monomers for dental material

Provided are adhesive monomers for dental materials including compounds represented by the general formula (1) below, in which the core (X) and the terminal group (Y1) are bonded to each other directly or via the linking group (Z): X(Y1)n1a(Z−Y1)n1b(1) wherein n1a represents the number of terminal groups (Y1) directly bonded to the core (X), n1b represents the number of terminal groups (Y1) bonded to the core (X) via the linking group (Z), and the sum of n1a and n1b is equal to the valence of the core (X); the core (X), the linking group (Z) and the terminal group (Y1) are further defined. The adhesive monomers can enhance adhesive strength to the tooth in dental treatment, and impart high mechanical strength to cured products.
Owner:MITSUI CHEM INC +1

Dental curing composition

ActiveUS20160030299A1Good shaping effectLow polymerization shrinkage propertyImpression capsDentistry preparationsDental CuringViscosity
The present invention relates to a dental curing composition to restore a lost portion of a tooth generated due to dental caries, tooth fracturing, etc.PROBLEMTo provide a dental curing composition that has packability suitable for restoring a posterior tooth, that has a paste character of avoiding stickiness to a filling instrument, that is excellent in the form shaping property, whose paste character varies little over time, and that has a low polymerization shrinkage property.SOLUTIONThe problem is solved by a dental curing composition that includes components (a) to (d): (a) a matrix resin whose viscosity at 25° C. is 10,000 to 17,000 mPa·s, (b) an organic-inorganic composite filler, (c) an inorganic filler, and (d) a polymeric initiator.
Owner:SHOFU INC

Dental curing light

A curing instrument with closed-loop control that is configured to manage the quantity of delivered energy to a curable material, including a composite restoration for a tooth. The closed-loop curing instrument is configured to analyze a signal indicative of the temperature at the curable material, and optionally the light reflecting from the curable material, and to adjust light output based on the analysis.
Owner:GARRISON DENTAL SOLUTIONS

Dental Curing Light Sleeve

A dental curing light sleeve with a closed distal end, an open proximal end, and an elongated tubular structure with at least three different sections of varying circumferences is disclosed. The sleeve may be created by heat sealing at least two sheets of an impermeable polymeric material. Three sheets of impermeable polymeric material may be used to create the sleeve, with the two outer sheets being substantially the same length and dimensions and the third sheet of a shorter length placed between the two outer sheets. This provides the sleeve with added strength along the majority of the sleeve while still having minimal obstruction of the curing light, which may occur when additional sheets of material are included. Additionally, the sleeve may have a ring section located at the open proximal end, which allows a user to grip the sleeve and apply it to the dental curing light.
Owner:TIDI PROD LLC
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