Fracture Incidence of Kedo-S Square Pediatric Rotary Files: A Prospective Clinical Study

Abstract Objective  The primary focus of this clinical study was to analyze the probability of occurrence of instrument fracture after root canal preparation of primary molars with the help of Kedo-S Square pediatric rotary file. Materials and Methods  Three experienced specialists treated 100 prima...

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Veröffentlicht in:European journal of dentistry 2022-07, Vol.16 (3), p.594-598
Hauptverfasser: Lakshmanan, Lakshimi, Jeevanandan, Ganesh, Maganur, Prabhadevi C, Vishwanathaiah, Satish
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Sprache:eng
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Zusammenfassung:Abstract Objective  The primary focus of this clinical study was to analyze the probability of occurrence of instrument fracture after root canal preparation of primary molars with the help of Kedo-S Square pediatric rotary file. Materials and Methods  Three experienced specialists treated 100 primary maxillary and mandibular molars (335 root canals) using a standardized protocol over 2 months. Biomechanical preparations were carried out using Kedo-S Square file, as per the suggestions given by the manufacturer. Every instrument in Group A helped handle three clinical cases, while for groups B, C and D, they helped in handling 5, 9, and 12 cases, respectively. Making use of an operational microscope, the rotary files, after being pulled out from the canal, were observed. The values were tabulated, and descriptive statistics were performed. Results  There were two fractures (2%), of which 1 occurred in group C in the apical 1/3rd of distobuccal canal of maxillary molar, and the other occurred in group D in the apical 1/3rd of mesiobuccal canal of maxillary molar. Conclusions  The fracture rate of Kedo-S Square rotary file is quite low. It is primarily in the buccal canals of the maxillary molars and the apical third of the root canal that the instrument has a greater probability of separation.
ISSN:1305-7456
1305-7464
DOI:10.1055/s-0041-1735935