A preliminary assessment of a new dedicated endodontic software for use with <scp>CBCT</scp> images to evaluate the canal complexity of mandibular molars

Gambarini, Gianluca; Ropini, Priscilla; Piasecki, Lucila; Costantini, Roberta; Carneiro, Everdan; Testarelli, Luca; Dummer, P. M. H.

doi:10.1111/iej.12845

Cited by 49 publications

(34 citation statements)

References 36 publications

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“…This result is in agreement with those from previous studies demonstrating that, regardless of the features of the NiTi instruments, the resistance to cyclic fatigue can be increased by operating the instrument in a reciprocating motion, rather than CR (8,19,26,27,16,34). These results suggest that this motion could increase the safety when preparing difficult cases (severe curvatures, S-shaped canals), where the risk of intra-canal failure is higher (31,36). OGP 90°presented the highest mean time-to-fracture, and the Weibull analysis confirmed the longest survival with a very high predictability.…”

Section: Discussionsupporting

confidence: 91%

“…Instead of directly simulating clinical conditions, cyclic fatigue tests aim to control variables (e.g., curvature angle, position and axial motion) to obtain a fair mechanical comparison between instruments or motions (7,10,11,(29)(30)(31). However, abrupt curvatures in the buccal-lingual plane might not be detectable in traditional periapical radiographs, especially when the canals are confluent (31,36). However, abrupt curvatures in the buccal-lingual plane might not be detectable in traditional periapical radiographs, especially when the canals are confluent (31,36).…”

Section: Discussionmentioning

confidence: 99%

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Classification and cyclic fatigue evaluation of new kinematics for endodontic instruments

et al. 2018

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This study evaluated the effect of new motions of the motor TriAuto ZX2 on the cyclic fatigue of endodontic instruments. Vortex Blue 35.06 instruments were divided into four groups (n = 10) and tested for fatigue in a curved artificial canal (90° and 2 mm radius) using the following motions: continuous rotation (CR), Optimum Torque Reverse (OTR) set at 180° and the Optimum Glide Path (OGP), which was tested at 90° and 240°. The time to fracture (TTF) and the lengths of the fractured fragments were recorded. The mean TTF was significantly different among the groups (anova, P < 0.05): OGP 90° (213.39 ± 27.45), OTR 180° (121.24 ± 17.03), OGP 240° (45.24 ± 5.61) and CR (8.43 ± 1.27). Weibull analysis confirmed the shortest life expectancy for CR and the longest survival for OGP at 90°. The resistance to fatigue was affected by motions and pre-set angles. The proprietary movements that are currently available for endodontic instruments were classified according to their kinematics.

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Section: Discussionsupporting

confidence: 91%

Section: Discussionmentioning

confidence: 99%

Classification and cyclic fatigue evaluation of new kinematics for endodontic instruments

et al. 2018

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“…More recently, CBCT has been used in conjunction with specialized software (3DEndo ® , Dentsply Sirona, Ballaigues, Switzerland) to evaluate the complexity of root canals (Gambarini et al . ) prior to treatment. Patel et al .…”

Section: Assessment Of Root Canal Anatomymentioning

confidence: 99%

“…Cone beam computed tomography examination improves the identification, location and appreciation of teeth with anomalous anatomy, for example dens invaginatus (Patel 2010. More recently, CBCT has been used in conjunction with specialized software (3DEndo â , Dentsply Sirona, Ballaigues, Switzerland) to evaluate the complexity of root canals (Gambarini et al 2018) prior to treatment. Patel et al (2019) found 3DEndo â , software, followed by CBCT, was found to be more desirable for the evaluation of root canal anatomy, working lengths and also reducing the clinician's stress levels than PR.…”

Section: Assessment Of Root Canal Anatomymentioning

confidence: 99%

Cone beam computed tomography in Endodontics – a review of the literature

et al. 2019

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The use of cone beam computed tomography (CBCT) in the diagnosis and/or management of endodontic problems is increasing and is reflected in the exponential rise in publications on this topic in the last two decades. The aim of this paper is to: (i) Review current literature on the endodontic applications of CBCT; (ii) Based on current evidence make recommendations for the use of CBCT in Endodontics; (iii) Highlight the areas in which more research is required.

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“…The choice of such canals was made to remove the bias associated with the clinical variability of endodontic anatomy (Gambarini et al . ). Moreover, canal curvatures may lead to bending stress, so the present study was designed to limit variables by focusing only on analysing the results of the clinical torsional stress derived from the two different modus operandi .…”

Section: Discussionmentioning

confidence: 97%

Measurement of torque generated during intracanal instrumentation in vivo

et al. 2018

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Aim To compare two different clinical techniques when using endodontic rotary instruments by monitoring the torque in vivo. Methodology Ten single‐rooted maxillary anterior teeth were prepared by an endodontist using size 25, .06 taper TF rotary instruments (KerrEndo, Orange, CA, USA). All instruments were rotated at 500 rpm with maximum torque set at 2.5 N cm using an endodontic motor (Kavo, Biberach, Germany), which automatically recorded the torque values every 1/10 of a second. Instruments were used with two modi operandi: (i) Inward action: short‐length intermittent progression with slight apical pressure aiming to reach the working length (also known as pecking motion), followed by (ii) Outward action: lateral brushing action selectively directed to address the canal circumference whilst removing instruments in the coronal direction. The mean, maximum and accumulated torque values were recorded and analysed statistically (t‐test and Wilcoxon test) with a significance level set at 5%. None of the recorded values exceeded the selected torque limit. Results A significant difference between inward and outward actions was found regarding the evaluated parameters (P < 0.05). The outward action (brushing) was significantly safer (requiring less torque) compared to the inward action (pecking). Conclusions Torque measurements during in vivo instrumentation provided useful information regarding the techniques evaluated. Although the torque limit was not reached by any of the two actions, the technique impacted significantly on the torque applied to the instrument.

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A preliminary assessment of a new dedicated endodontic software for use with CBCT images to evaluate the canal complexity of mandibular molars

Cited by 49 publications

References 36 publications

Classification and cyclic fatigue evaluation of new kinematics for endodontic instruments

Classification and cyclic fatigue evaluation of new kinematics for endodontic instruments

Cone beam computed tomography in Endodontics – a review of the literature

Measurement of torque generated during intracanal instrumentation in vivo

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