The effect of taper and apical preparation size on fracture resistance of roots.

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Abstrakt

Tytuł:: The effect of taper and apical preparation size on fracture resistance of roots.
Autorzy:: Doğanay Yıldız E; Department of Endodontics, Faculty of Dentistry, Bursa Uludag University, Bursa, Turkey.
Fidan ME; Department of Endodontics, Faculty of Dentistry, Kırıkkale University, Kırıkkale, Turkey.
Sakarya RE; Department of Prosthodontics, Faculty of Dentistry, Ataturk University, Erzurum, Turkey.
Dinçer B; Department of Endodontics, Faculty of Dentistry, Kırıkkale University, Kırıkkale, Turkey.
Źródło:: Australian endodontic journal : the journal of the Australian Society of Endodontology Inc [Aust Endod J] 2021 Apr; Vol. 47 (1), pp. 67-72. Date of Electronic Publication: 2020 Dec 09.
Typ publikacji:: Journal Article
Język:: English
Imprint Name(s):: Publication: Richmond, VIC : Wiley-Blackwell Publishing Asia
Original Publication: Melbourne, Vic. : Australian Society of Endodontology
MeSH Terms:: Endodontics*
Root Canal Preparation*
Incisor
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Contributed Indexing:: Keywords: apical preparation size; fracture resistance; taper
Entry Date(s):: Date Created: 20201209 Date Completed: 20210406 Latest Revision: 20210406
Update Code:: 20240104
DOI:: 10.1111/aej.12472
PMID:: 33296118
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This study investigated the effect of taper and apical preparation size on the fracture resistance of roots. 84 mandibular incisor teeth were selected. Groups (n = 12): uninstrumented (control group), 25/0.04, 25/0.06, 25/0.08, 30/0.04, 30/0.06 and 30/0.08. K3XF files (Kerr Endodontics, Orange, CA) were used for canal preparation. Fracture resistance was tested using a Universal test machine. For statistical analysis, the level of significance was P ≤ 0.05, and one-way anova and post hoc LSD tests were used. The control group showed the highest fracture resistance (P < 0.05). No significant difference was found between 25/0.04 and 25/0.06; 25/0.06 and 25/0.08; 30/0.04 and 30/0.06; 30/0.06 and 30/0.08; 25/0.04 and 30/0.04; 25/0.06 and 30/0.06; and 25/0.08 and 30/0.08 (P > 0.05). Significant differences were found between 25/0.04 and 25/0.08; 30/0.04 and 30/0.08; and 25/0.08 and 30/0.04 (P < 0.05). In conclusion, the clinical selection of larger tapers can cause a higher risk of fracture.
(© 2020 Australian Society of Endodontology Inc.)

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