The use of tungsten carbide needle holders to remove intracanal objects

Kleier, Donald J.; Mendoza, Mario

doi:10.1016/s0099-2399(96)80070-7

Cited by 4 publications

(2 citation statements)

References 7 publications

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“…The clinical approach to management of such cases should be based on thorough knowledge of the success rate of each treatment option available and to inform the patient preoperatively of the options and risks of treatment as part of the consent procedure. Literature suggests that the fractured instruments can be removed by a variety of methods such as fine ultrasonic tips, micro-tubule devices and pliers/haemostatic forceps 10,11,12 . As removal of a fractured file is associated with considerable risk in a few cases, bypassing the fragment should also be considered a treatment option.…”

Section: Introductionmentioning

confidence: 99%

Clinical Approach to the Management of Fractured Instruments Using Ultrasonics and the Instrument Retrieval System Under the Dental Operating Microscope

Gupta¹,

Sharma²,

Charles³

et al. 2020

IJMBS

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Background: Instrument separation has become a major concern in the endodontic practice today. In cases where the fractured fragment completely blocks the canal, the access of disinfecting irrigants to the root canal system is limited. Literature suggesting the guidelines on the management of broken instruments is scanty. This study was aimed to establish a preliminary guideline in the management of cases with instrument fracture using the Ultrasonic tips, the Instrument Retrieval System (IRS) and Instrument bypass under the Dental Operating Microscope (DOM). Methods: 40 cases were selected with fractured instruments and categorized as follows-location coronal or apical to curvature- size of greater than or less than 5 mm. Patients were informed about the procedure and its complications, following which consent was taken. Management was planned in three stages. Instrument retrieval with the aid of Ultrasonics was performed under the DOM in stage 1. Retrieval using IRS was performed in stage 2. Instrument bypass was performed in stage 3. Success rate was compared using statistical analysis by the StatPac software. Results and conclusion: Fractured fragments with a length of less than 5mm and straight line access was retrieved successfully under the DOM using the Ultrasonics in 87.5% cases. Retrieval of fragments greater than 5mm and with a straight line access was successful with the added use of the Instrument Retrieval system/ Instrument extractor in 71.4% cases. Keywords: Ultrasonic, Instrument Retrieval System, Dental Operating Microscope, instrument bypass, fractured instrument Key Message: Instrument fracture in an endodontic practice is a stressful event. With the widespread use of rotary instruments, the incidence of instrument separation has increased. With increasing referral of such cases, management of these cases with a predictable outcome has become important in endodontic specialty. An attempt has been made to lay down guidelines regarding management of cases with fractured instruments.

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Section: Introductionmentioning

confidence: 99%

Clinical Approach to the Management of Fractured Instruments Using Ultrasonics and the Instrument Retrieval System Under the Dental Operating Microscope

Gupta¹,

Sharma²,

Charles³

et al. 2020

IJMBS

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“…Furthermore, there is the risk of secondary incidents such as perforation occurring during the removal procedure. A number of methods and techniques have been proposed for retrieving such debris from root canals 8) , most of which utilize mechanical grasping techniques 9) . Such techniques, however, require the wall of the root canal to be extensively reduced to secure a large enough operative field.…”

Section: Introductionmentioning

confidence: 99%

Laser Welding Method for Removal of Instruments Debris from Root Canals

Hagiwara

Suehara

Fujii

et al. 2013

Bull. Tokyo Dent. Coll.

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The purpose of this study was to clarify the viability of a novel method for removing debris from broken instruments from root canals using a laser apparatus. Laser welding was performed on stainless steel or nickel titanium files using an Nd:YAG laser. Retention force between the files and extractors was measured. Increase in temperature on the root surface during laser irradiation was recorded and the irradiated areas evaluated with a scanning electron microscope. Retention force on stainless steel was significantly greater than that on nickel titanium. The maximum temperature increase was 4.1°C. The temperature increase on the root surface was greater in the vicinity of the welded area than that at the apical area. Scanning electron microscopy revealed that the files and extractors were welded together. These results indicate that the laser welding method is effective in removing debris from broken instruments from root canals.

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