An In-Vitro Evaluation of Remaining Dentine Thickness through Cbct Using Different Files

Comparative Evaluation of Radicular Dentine Thickness in Danger Zone of Mandibular First Molar After Instrumentation With Two Different Rotary Systems Using CBCT - An Invitro Study

“…However, excessive flaring might lead to undesirable episodes as transportation of the preparation into the danger zone, or even strip perforations of the root. (10) Traditional endodontic instruments are manufactured from straight metal blanks often fail to achieve Shielder's mechanical objectives as most canals are curved. This result in uneven force distribution in certain contact areas and over-prepare toward the outer curve or the convexity of the canal, whereas more coronal areas are transported toward the concavity.…”

“…All specimens were vertically sectioned with the double-faced diamond disc and separated from distal roots.Teeth were randomly divided using computer-generated randomization into two groups (n=12) and were embedded in the horseshoeshaped modeling wax rim. (10) Scanning procedure: All teeth were initially scanned by using the CBCT system. The images were captured at 90-120 kVp and 10mA with a 90μm voxel size and exposure time of 1.6 sec to determine dentine thickness in mesiobuccal canals before instrumentation.…”

“…These results were consistent with that of the previous study done by Anil.k.et al, where NE has removed more dentine when compared to REVO-S in mandibular premolars. (10) XPS is a single file system which removes dentine, with fewer chances of file separation and consumes less time for preparation when compared to NE which is available as multiple file system. XPS is also cost-effective.…”

Cone-beam Computed Tomographic Evaluation of the Quality of Obturation Using Different Pediatric Rotary File Systems in Primary Teeth

“…This might have led to the incomplete removal of the dentin, compromising the obturation quality. 25 …”

Comparative evaluation of efficiency of different file systems in terms of remaining dentin thickness using cone-beam computed tomography: An in vitro study

“…An ideal prepared root canal should have a progressively tapering conical shape which preserves the apical foramen and the original canal curvature without transportation. [ 12 ] The thickness of the remaining dentin following intraradicular procedures may be the most important iatrogenic factor that correlates to incoming fracture resistance of the root. [ 13 ] The preparation of apical third can also reduce residual dentin resulting in weakened apical root structure which is mainly important in a root with an oval cross-section.…”