COMPARISON OF FRACTURE RESISTANCE OF ENDODONTICALLY TREATED TEETH WITH TOW DIFFERENT POST AND CORE SYSTEM

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SABOUHI M.; NOSOUHIAN S.; SAADAT A.A.

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Journal: JOURNAL OF ISFAHAN DENTAL SCHOOL Year:2008 | Volume:4 | Issue:3 Page(s): 155-161

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Title

COMPARISON OF FRACTURE RESISTANCE OF ENDODONTICALLY TREATED TEETH WITH TOW DIFFERENT POST AND CORE SYSTEM

Author(s)

SABOUHI M. | NOSOUHIAN S. | SAADAT A.A. | Issue Writer Certificate

Keywords

POST AND CORE TECHNIQUEQ3

FIBER GLASS POSTQ3

FRACTURE RESISTANCEQ3

Abstract

Introduction: most endodontically treated teeth need post and core restoration to do acceptable percentage of their function but selection of proper post and core system can be difficult and ambiguous .this study compared the effect of cast post and core and fiberglass post and core system on the FRACTURE RESISTANCE and fracture pattern of crowned endodontically treated teeth.Material and method: A total of 30 recently extracted human canines with their crown removed were endodontically treated. Two groups of 15 specimens were formed. Teeth were restored with cast post core in the 1st group and with fiberglass post in the 2ndgroup. All posts were cemented with panavia F2 adhesive system. All fiber posts were restored with composite core. Cemented with zinc phosphate cement. Each specimen embedded in acrylic resin and then scored in universal load-testing machine (Instron). A compressive load was applied at a 45 angle to the long axis of the tooth until fracture at a crosshead speed of 1mm/min. Result: the FRACTURE RESISTANCE of 2 groups according to the (t) test analysis didn't have any significant difference. The mean FRACTURE RESISTANCE of the teeth restored with cast-post system were 1489.33 ± 1045.34 and facture resistance of the teeth restored with fiber glass were 1195.93± 624.12 teeth restored with cast post exhibited higher FRACTURE RESISTANCE than the other group. Fracture that occur in teeth restored with fiberglass post and composite core usually are restorable and %80 of fracture that occur in teeth restored with cast post and core are not restorable.Discussion: considering that FRACTURE RESISTANCE of teeth in tow groups evaluated in this study were not significantly different and fracture of tooth restored with FIBER GLASS POST were from a point that was more easily restorable, compare to cast post and core if seems reasonable to use FIBER GLASS POST in appropriate cases, Although it is suggested to do and evaluate other clinical studies in long term.

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APA: Copy

SABOUHI, M., NOSOUHIAN, S., & SAADAT, A.A.. (2008). COMPARISON OF FRACTURE RESISTANCE OF ENDODONTICALLY TREATED TEETH WITH TOW DIFFERENT POST AND CORE SYSTEM. JOURNAL OF ISFAHAN DENTAL SCHOOL, 4(3), 155-161. SID. https://sid.ir/paper/126275/en

Vancouver: Copy

SABOUHI M., NOSOUHIAN S., SAADAT A.A.. COMPARISON OF FRACTURE RESISTANCE OF ENDODONTICALLY TREATED TEETH WITH TOW DIFFERENT POST AND CORE SYSTEM. JOURNAL OF ISFAHAN DENTAL SCHOOL[Internet]. 2008;4(3):155-161. Available from: https://sid.ir/paper/126275/en

IEEE: Copy

M. SABOUHI, S. NOSOUHIAN, and A.A. SAADAT, “COMPARISON OF FRACTURE RESISTANCE OF ENDODONTICALLY TREATED TEETH WITH TOW DIFFERENT POST AND CORE SYSTEM,” JOURNAL OF ISFAHAN DENTAL SCHOOL, vol. 4, no. 3, pp. 155–161, 2008, [Online]. Available: https://sid.ir/paper/126275/en

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