COMPARISON OF REMOVED DENTIN THICKNESS WITH HAND AND ROTARY INSTRUMENTS

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SHAHRIARI SH.; ABEDI H.; HASHEMI MAHDI; JALALZADEH S.M.

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Journal: Iranian Endodontic Journal Year:2009 | Volume:4 | Issue:2 Page(s): 69-73

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Title

COMPARISON OF REMOVED DENTIN THICKNESS WITH HAND AND ROTARY INSTRUMENTS

Author(s)

SHAHRIARI SH. | ABEDI H. | HASHEMI MAHDI | JALALZADEH S.M. | Issue Writer Certificate

Keywords

INSTRUMENTATION

PROFILE

ROOT CANAL PREPARATION

STAINLESS STEEL

TECHNIQUE

Abstract

Introduction: The aim of this study was to evaluate the amount of dentine removed after canal preparation using STAINLESS STEEL (SS) hand instruments or rotary PROFILE instruments.Materials and Methods: Thirty-six extracted human teeth with root canal curvatures less than 30° were embedded in clear polyester resin. The roots were cut horizontally at apical 2, 4 and 7 mm. Dentin thickness was measured at each section and the sections were accurately reassembled using a muffle. Root canals were randomly prepared by SS hand instruments or rotary PROFILE instruments. Root sections were again separated, and the remaining dentin thickness was measured. Mann-Whitney U and t tests were performed for analytic comparison of the results.Results: The thickness of removed dentin was significantly different between the two used methods (P<0.05). Significantly greater amounts of dentin was removed mesially in all sections in hand INSTRUMENTATION group (P<0.001).Conclusion: PROFILE rotary INSTRUMENTATION prepares root canals with a greater conservation of tooth structure.

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APA: Copy

SHAHRIARI, SH., ABEDI, H., HASHEMI, MAHDI, & JALALZADEH, S.M.. (2009). COMPARISON OF REMOVED DENTIN THICKNESS WITH HAND AND ROTARY INSTRUMENTS. IRANIAN ENDODONTIC JOURNAL (IEJ), 4(2), 69-73. SID. https://sid.ir/paper/302673/en

Vancouver: Copy

SHAHRIARI SH., ABEDI H., HASHEMI MAHDI, JALALZADEH S.M.. COMPARISON OF REMOVED DENTIN THICKNESS WITH HAND AND ROTARY INSTRUMENTS. IRANIAN ENDODONTIC JOURNAL (IEJ)[Internet]. 2009;4(2):69-73. Available from: https://sid.ir/paper/302673/en

IEEE: Copy

SH. SHAHRIARI, H. ABEDI, MAHDI HASHEMI, and S.M. JALALZADEH, “COMPARISON OF REMOVED DENTIN THICKNESS WITH HAND AND ROTARY INSTRUMENTS,” IRANIAN ENDODONTIC JOURNAL (IEJ), vol. 4, no. 2, pp. 69–73, 2009, [Online]. Available: https://sid.ir/paper/302673/en

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