EVALUATION OF LOAD-DEFLECTION RATE CHANGES OF NICKEL-TITANIUM WIRE AFTER SINGLE CLINICAL APPLICATION IN THREE DIFFERENT CROWDINGS

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BASAFA M.; ZEBARJAD SEYED MOJTABA; NARIMANI M.A.

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Journal Paper

Paper Information

Journal: Journal of Mashhad Dental School Year:2008 | Volume:32 | Issue:1 (64) Page(s): 1-10

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Title

EVALUATION OF LOAD-DEFLECTION RATE CHANGES OF NICKEL-TITANIUM WIRE AFTER SINGLE CLINICAL APPLICATION IN THREE DIFFERENT CROWDINGS

Author(s)

BASAFA M. | ZEBARJAD SEYED MOJTABA | NARIMANI M.A. | Issue Writer Certificate

Keywords

NICKEL-TITANIUM WIREQ3

LOAD-DEFLECTION RATEQ3

CROWDINGQ3

CLINICAL STUDYQ3

Abstract

Introduction: Desired mechanical properties of NICKEL-TITANIUM WIREs have resulted in some orthodontists to recycle these wires and apply them repeatedly. The aim of this study was to evaluate load-deflection changes of NICKEL-TITANIUM WIREs after single clinical application in three different types of CROWDING. Materials & Methods: 80 NICKEL-TITANIUM WIREs (Global trade mark) with 0.014 inch diameter were randomly divided into four groups as: control, mild, moderate and severe CROWDING. Wires were used in patients for a period of 6±1 week then, load-deflection experiment, and using Zwick machine was done. Data were analyzed by hot telling, Fisher’s exact and Duncan tests. Results: Hot telling analysis showed a significant difference between the groups. Fisher’s exact test showed that there was a significant difference between forces at 0.5, 1.0, 1.5, 2, 2.5 mm deflection loading and unloading but there was no significant difference in 3 mm loading deflection.Conclusion: This study showed that although single application of NICKEL-TITANIUM WIRE (at least for the wire used in this study) for one orthodontic visit causes significant decrease in force levels in different types of CROWDING, residual force after single clinical application is still enough for repeated clinical application.

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References

COMPARISON OF LOAD - DEFLECTION CHARACTERISTICS OF NICKEL- TITANIUM ORTHODONTIC WIRES

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APA: Copy

BASAFA, M., ZEBARJAD, SEYED MOJTABA, & NARIMANI, M.A.. (2008). EVALUATION OF LOAD-DEFLECTION RATE CHANGES OF NICKEL-TITANIUM WIRE AFTER SINGLE CLINICAL APPLICATION IN THREE DIFFERENT CROWDINGS. JOURNAL OF MASHHAD DENTAL SCHOOL, 32(1 (64)), 1-10. SID. https://sid.ir/paper/73954/en

Vancouver: Copy

BASAFA M., ZEBARJAD SEYED MOJTABA, NARIMANI M.A.. EVALUATION OF LOAD-DEFLECTION RATE CHANGES OF NICKEL-TITANIUM WIRE AFTER SINGLE CLINICAL APPLICATION IN THREE DIFFERENT CROWDINGS. JOURNAL OF MASHHAD DENTAL SCHOOL[Internet]. 2008;32(1 (64)):1-10. Available from: https://sid.ir/paper/73954/en

IEEE: Copy

M. BASAFA, SEYED MOJTABA ZEBARJAD, and M.A. NARIMANI, “EVALUATION OF LOAD-DEFLECTION RATE CHANGES OF NICKEL-TITANIUM WIRE AFTER SINGLE CLINICAL APPLICATION IN THREE DIFFERENT CROWDINGS,” JOURNAL OF MASHHAD DENTAL SCHOOL, vol. 32, no. 1 (64), pp. 1–10, 2008, [Online]. Available: https://sid.ir/paper/73954/en

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