Estimation of Remaining Dentine Thickness (RDT) Under Caries Lesion with a Cone-Beam Computed Tomography and Standardized Paralleling Technique in Comparisons to Actual Measurement. In Vitro Comparative Study

Author(s):  
Rozhyna Peshraw Kamal
Dentistry ◽  
2018 ◽  
Vol 08 (09) ◽  
Author(s):  
Seyed Mohsen Hashemnia ◽  
Sanaz Jahadi ◽  
Shiva Shaygannia ◽  
Ehsan Hekmatian ◽  
Amirhosein Habibollahi ◽  
...  

2019 ◽  
Vol 22 (2) ◽  
pp. 197-202
Author(s):  
Abhinaya Srinivas ◽  
LGanesh Jeevanandan ◽  
Lavanya Govindaraju ◽  
Erulappan Muthu Ganapathi Subramanian

Objective: To evaluate the efficacy of rotary Kedo-S and hand K-files in shaping ability in primary canines using cone beam computed tomography. Materials and Methods: Thirty extracted primary maxillary and mandibular canines were selected. Using cone beam computed tomography the teeth were scanned before instrumentation. In Group I, the teeth were prepared using stainless steel K file up to the size of 40. In the Group II teeth, U1 size Kedo-S rotary file was used in crown down technique. The instrumented teeth were scanned again with cone beam computed tomography and the images were compared. Results: The canal taper was more conical for rotary Kedo-S files as compared to K-files, which was statistically significant. Conclusion:  Canal preparation with Rotary files resulted in more conical canals when compared to manual instrumentation in primary teeth that contributes to more uniform obturation.KeywordsCBCT; Hand K-files; Kedo-S file system; Primary teeth; Pulpectomy; Rotary instrumentation.


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