STEREOMICROSCOPIC EVALUATION OF DENTINAL DAMAGE CAUSED BY K-FILES, PROTAPER UNIVERSAL, NEONITI A1 AND iRaCe FILES-AN IN VITRO STUDY.

Paul, Dr.Arun; Suvarna, Dr.Nithin; Shetty, Dr.K.HarishS.; Khazia., Dr.Mohd.Nooh

doi:10.21474/ijar01/3684

Cited by 2 publications

(2 citation statements)

References 21 publications

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“…Crack formation in the walls of root canal is of utmost concern during the use of rotary systems and it can further lead to Vertical Root Fracture and adversely affect the prognosis of the tooth in the long run and this kind of fracture is one of the annoying complications of root canal treatment leading to extraction of tooth in most of the cases. 37 Literature reports that resistance to tooth fracture is of prime importance in endodontic treatment because such fractures decrease the survival rate in the long run. Research work has shown that removal of dentin in excess during root canal preparation or obturation procedures with spreader can result in tooth fractures.…”

Section: Discussionmentioning

confidence: 99%

Incidences of Root Microcracks Caused by Hand and Rotary File System at Different Lengths

Sukul¹,

Rathee²,

Anand³

et al. 2019

IHRJ

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OBJECTIVES: The present research was conducted to assess incidences of root microcracks caused by hand and rotary file system at different lengths MATERIAL AND METHODS: This in-vitro study was undertaken to assess incidence of root microcracks caused by hand and rotary file system at different lengths In total, 100 the mandibular premolar with straight roots determined with intact, fully formed apices were taken. Samples were randomly distributed into 5 groups based on the file system used: a) Group A: Control, b) Group B: Reciproc, c) Group C: WaveOne, d) Group D: One Shape and e) Group E: ProTaper. Pearson Chi-square test was used to determine the differences between groups. The dentinal defects were expressed as percentage of samples with microcracks in each group. Level of statistical significance was set at p-value less than 0.05. RESULTS: The chi square test was used to compare the Distribution of the number of teeth in which cracks were observed on the horizontal sections. It was found to be significant with group ProTaper showing maximum cracks at 3,6,9 mm level as compared to other file systemCONCLUSION: Nickel-titanium instruments causes cracks on the apical root surface or in the root canal wall. ProTaper causes maximum dentinal cracks as compared to other file systems

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Section: Discussionmentioning

confidence: 99%

Incidences of Root Microcracks Caused by Hand and Rotary File System at Different Lengths

Sukul¹,

Rathee²,

Anand³

et al. 2019

IHRJ

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show abstract

“…In addition to their time saving and ease of use especially "the single file systems (6) (7) (8) (9) A new generation of Ni-Ti files has been introduced with different working motion and design features such as the core diameter, cross section, rake angle and flute depth (10) . These affect the behavior of the file, surface changes (Tripi TR et al 2001) (11) (12) , cutting efficiency also decreasing of cracks on dentinal wall or debris extruded apically (13) .…”

Section: Introductionmentioning

confidence: 99%

Types of surface defects and incidence of fracture after root canal preparation using different single file systems at different torque settings using SEM (In vitro study)

Abdelzaher,

Nagy,

saber

2024

Egyptian Dental Journal

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Objectives:-This study is an attempt to evaluate surface changes and incidence of fracture of One shape and Neoniti rotary files after root canal preparations of lower permanent molars, under different torques, using SEM.Material and methods: Total 26 files were used, 2 Control (one from each system), Group I (12 oneshape file) and Group II (12 Neolix files), each was further divided into Sub group A(low Torque 2N/cm) and Sub group B (High Torque 4N/cm)respectively.Results showed that even the new files suffered from surface defects. No used instruments free of surface defects even under low or high torque. Different torques cause statistically significant difference between One shape and Neolix files in terms of disruption of cutting edge and metal flash only. ConclusionClinicians should be aware because all files are predisposed to wear and fatigue, so small files should have improved quality control by the manufacturer as they are highly prone to failure especially in curved canals or under high torque or even if single used.

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STEREOMICROSCOPIC EVALUATION OF DENTINAL DAMAGE CAUSED BY K-FILES, PROTAPER UNIVERSAL, NEONITI A1 AND iRaCe FILES-AN IN VITRO STUDY.

Cited by 2 publications

References 21 publications

Incidences of Root Microcracks Caused by Hand and Rotary File System at Different Lengths

Incidences of Root Microcracks Caused by Hand and Rotary File System at Different Lengths

Types of surface defects and incidence of fracture after root canal preparation using different single file systems at different torque settings using SEM (In vitro study)

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