Matches 1 - 50 out of 134 1 2 3 >


Match Document Document Title
US20120225406 ENDODONTIC TOOL AND METHOD  
A reciprocating endodontic hand tool in which the torque applied to an instrument such as a debriding file does not exceed the elastic limit of the file. This reduces or eliminates opportunities...
US20140242543 Fatigue-Resistant Nitinol Instrument  
A fatigue-resistant Nitinol instrument has a working portion in the deformed monoclinic martensitic state and an austenite finish temperature in the range of 40° to 60° C. Because the operating...
US20120231414 Fatigue-Resistant Nitinol Instrument  
A fatigue-resistant Nitinol instrument has a working portion in the deformed monoclinic martensitic state and an austenite finish temperature in the range of 40° to 60° C. Because the operating...
US20130004913 METHOD OF CONTROLLING A DRIVE DEVICE FOR PREPARING A ROOT CANAL, AND ROTATING HANDPIECE FOR ROOT CANAL PREPARATION  
A method, and handpiece for performing the method, for controlling a drive device for moving a root canal instrument having a drive shaft and at least one cutting edge for preparing a root canal,...
US20120122055 SYSTEM FOR ENDODONTIC TREATMENT  
Provided is a system for endodontic treatment of a root canal. The system includes a handpiece containing a rotary motor adapted to rotate an endodontic file secured by the handpiece. A control...
US20130209951 SURFACE MODIFICATION FOR ENHANCED BONDING OF CERAMIC MATERIALS  
A fluoride treated medical implant, such as a dental component, is provided, the medical implant comprising fluorinated metal oxide on the substrate surface. A method for the preparation of such...
US20130189644 Multi-Planar Pre-Curved Rotary Endodontic File  
An improved rotary endodontic file includes a multi-planar pre-curved apical portion having a first and a second curvature. The pre-curved apical portion begins at about one-third to one-quarter...
US20120088207 ROOT CANAL LENGTH MEASUREMENT DEVICE  
A root canal length measurement device configured for detachable support on a neck of a dental handpiece and having a generally cylindrical electrical contact element that, in use, is resiliently...
US20110212413 ROTARY ENDODONTIC FILE WITH FRICTIONAL GRIP  
An endodontic file has at least a central longitudinal cord, a helically wound wire at least partially surrounding the cord and an elastomeric grip partially covering the helically wound wire near...
US20140113246 METHOD AND DEVICES FOR PLACING ROOT REPAIR MATERIALS FOR ROOT-END CAVITIES  
A device for placing, compacting or burnishing root repair materials for root-end surgery to fill root-end cavities during root-end surgery, and specifically for placing and compacting newer root...
US20120276500 ROOT CANAL INSTRUMENT AND METHOD OF MAKING THE ROOT CANAL INSTRUMENT  
A root canal instrument includes a twisted strip having a titanium-nickel alloy or a plastics material. The strip has a cross-section having three exterior surfaces or four exterior surfaces. A...
US20140329199 ENDODONTIC FILE HAVING AN OUTER SPIRAL CORD  
An endodontic file (10) has a handle (11) and a spiral cord (15) of helically wound metallic wire wound in a predetermined direction around a central metallic cord (13) formed between opposite...
US20110033822 Endodontic File  
An endodontic instrument eliminates the need for conventional flutes by employing a tapered tip having an axially extending relief surface such as a flat permitting the passage of liquid and the...
US20150164617 ENDODONTIC INSTRUMENTS AND METHODS OF MANUFACTURING THEREOF  
A method for manufacturing a nonlinear superelastic file comprising the steps of: providing a superelastic file having a shaft and a file axis; providing a fixture including a file groove being...
US20120282571 ENDODONTIC INSTRUMENTS AND METHODS OF MANUFACTURING THEREOF  
A method for manufacturing a nonlinear superelastic file comprising the steps of: providing a superelastic file having a shaft and a file axis; providing a fixture including a file groove being...
US20110195375 INTERNAL BROACHING TOOL  
An internal broaching tool for broaching profiles delimited by a root and flanks in one aspect arranges a relief part between the toothed part and the calibration part. The calibrating broaching...
US20100297578 Endodontic File Combining Active and Passive Cutting Edges  
An endodontic reamer/file for cleaning/shaping a tooth root canal having an elongated shank with a proximal end portion, a distal end and a tapered working portion having a longitudinal axis, the...
US20120214125 ENDODONTIC BURS, KITS, AND METHODS FOR USING ENDODONTIC BURS  
A conical dental bur for endodontic procedures, including exploration, deep troughing, enlargement of orifices, and canal navigation is presented. The bur of the present invention has a narrow,...
US20150164614 Multi-Directional Handpiece  
A multi-directional handpiece that includes a motor drive extending along and configured for rotation about a body axis, the motor drive having: a motor gearing at a proximal end of the motor...
US20130171581 POLYMERIC INSTRUMENT FOR CLEANING CANALS IN ENDODONTIC PROCEDURES  
An instrument for cleaning canals during endodontic procedures is presented. The instrument is formed in one piece from a stiff polymeric material. The instrument features a handle, a measuring...
US20140302454 ULTRASONIC TIP ASSEMBLY  
A tip assembly for use with a dental tool, the tip assembly comprising a housing for attaching to the dental tool, at least one aspiration needle having a passageway extending at least partially...
US20120021376 GUTTA-PERCHA REMOVER  
A gutta-percha remover suitable for removing gutta-percha and having flexibility with good compliancy to curvature of a root canal and superior removing capability for forming a sufficient gap...
US20120094252 Reciprocal Reverse Rotation Endodontic File  
A single use, reciprocal reverse rotation, endodontic file includes a plurality of spaced apart helical flutes with spiraled lands therebetween. The lands have an edge with a positive cutting...
US20060228668 Endododontic file with multi-tapered flutes  
A multi-tapered endodontic file is provided, formed from shaft of material having a shaft. The shaft includes a working portion having one or more tissue-removing edges, points and/or surfaces....
US20150024342 Endodontic Instrument With Narrow Radial Lands  
An improved endodontic instrument has a uniform tapered working length with at least two helical shaped flutes and spiraled lands having a land width no greater than 0.101 mm as measured in a...
US20090136896 DENTAL APPARATUS FOR SHAPING AND CLEANING A ROOT CANAL  
Apparatus is disclosed for use in cleaning dental root canals using an endodontic file. The file is mounted in a drill head driven by an electric motor. The motor is normally driven in one,...
US20090176188 Ablating Apparatus Particularly Useful for Removal of Dental Periapical Lesions  
Apparatus for removing a dental periapical lesion at an apex of a root canal in a tooth, includes: an ablating device sized and constructed for (a) introduction through a cavity in the tooth into...
US20090047618 Handset and Optical Tip for Photosynthesis  
A handset includes a high power LED and a vibrator. An optical tip includes a stepwise tapered portion for insertion into a root canal. The optical tip is used in combination with the vibrator for...
US20060115786 Root canal treatment tool  
A file A acting as a root canal treatment tool has a rod-shaped needle portion 1 that includes a working portion 4 of a predetermined length from a tip 3 and a shank 5 formed continuously to the...
US20130337407 REAMER ROOT CANAL INSTRUMENT  
A dental reamer root canal instrument has a working area that is substantially cylindrical or conical along a longitudinal axis, the instrument including X helical flutes forming X lips of helical...
US20070026360 Variable-land, multiple height flute contour design for endodontic files  
A tapered endodontic rotary file for shaping or cleaning a root canal in a tooth has one or more flutes spiraling along the length of the file. The diameters of the one or more flutes tapers in a...
US20120208146 FLUTED REAMER COMPRISING A PLURALITY OF HELICAL CUTTING LIPS  
A new reamer has a cut blade including a plurality of helical cutting lips, wherein a number of helical cutting lips varies along a longitudinal axis of the cut blade.
US20100028832 Dental device for use in the obturation of a root canal  
Kit-of-parts containing (i) a dental device for use in the obturation of a root canal which comprises a tapered obturating point portion integrally connected at the distal end of a functional...
US20130177871 ENDODONTIC FILES AND METHOD OF PREPARATION THEREOF  
The present invention provides a selective coating of an endodontic file, in which the distal end of the file is uncoated or alternatively leaving the outermost part of the blades of the distal...
US20140322669 DENTAL HANDPIECE CONTROL APPARATUS  
A dental handpiece control apparatus including: a relay 17 that switches a polarity of a voltage applied to a motor 20, and thereby switches a rotation direction of the motor 20 to forward...
US20090215006 ROOT CANAL FILE  
A root canal file with a rotating application for widening of the root canal of human or animal teeth to a stipulated diameter and cone by means of cutting edges running in a spiral along the root...
US20130101956 Endodontic Instrument  
The invention is an endodontic instrument which comprises, among other features: a handle having an elongated base with a threaded projection having a recessed distal surface capable of cupping a...
US20140045142 ENDODONTIC FILE  
An endodontic file for a motorized rotary handpiece includes a coupler element for coupling to the handpiece, a central longitudinal flexible core including a central flexible cable supported by...
US20070009850 Methods for apical preparation using endodontic instruments made of super-elastic alloys  
The apical third of a root canal is cleaned and/or shaped during a root canal procedure with an endodontic file made from a titanium-based alloy either by reciprocating manual use or by using a...
US20070207439 Endodontic file having a taper defined by a continuously changing concavity  
A dental instrument for endodontic applications comprising an elongated shaft having a proximal end and a reduced diameter distal end and a tapered working portion extending from the proximal to...
US20100040994 Reciprocal Reverse Rotation Endodontic File  
A single use, reciprocal reverse rotation, endodontic file includes a plurality of spaced apart helical flutes with spiraled lands therebetween. The lands have an edge with a positive cutting...
US20110033821 Rotatable Endodontic Instruments and Methods for their Manufacture  
A quasi-hyperbolic endodontic instrument having a cylindrical, elongated shaft with a radius that varies as a smooth, continuous curve along the length of the shaft and is larger near the distal...
US20050026109 Multi-tapered dental files  
A series of multi-tapered files is disclosed for endodontic use. The files comprise at least two sections, a first portion adjacent the tip of the file and a second portion adjacent the shank. The...
US20090229129 Longitudinally Ground File Having Increased Resistance to Torsional and Cyclic Fatigue Failure  
A method of producing an endodontic file that involves grinding in a plane substantially parallel to the longitudinal axis of a rotating dental instrument blank. By grinding the dental instrument...
US20080213720 ENDODONTIC INSTRUMENTS MANUFACTURED USING CHEMICAL MILLING  
A method of manufacturing endodontic files involves a chemical milling process to yield endodontic files having a desired taper and/or degree of sharpness. The process involves the steps of (a)...
US20060008766 Dental instruments made from super-elastic alloys  
Dental instruments and appliances made from a super-flexible alloy, which includes atoms from the group IVB and group VB transition metals and oxygen have superior strength and flexibility. The...
US20120219927 Endodontic Rotary Instruments Made From Hollow Tubes and Methods of Manufacturing Thereof  
A method for manufacturing a hollow instrument comprising the steps of: providing a hollow tube having a longitudinal tube axis; forming at least one opening along a shaft portion of the hollow...
US20060127843 Endodontic instruments  
The present invention provides an improved endodontic instrument. The instrument can be constructed of a ribbon of material such as any material that has a suitable edge for cutting and can be...
US20060246394 Endodontic files having improved lateral and torsional flexibility  
A dental reamer/file instrument having an elongated shank having a proximal end portion, a distal end and an intermediate tapered working portion, the external surface of the shank working portion...
US20130040261 ULTRASONIC TIP FOR AN APICOECTOMY, AND METHOD FOR MANUFACTURING SAME  
The invention relates to a method for manufacturing an ultrasonic tip for an apicoectomy, such that the tip has a shape suitable for the shape of a tooth root, comprising the steps of: forming a...

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