AN IN-VITRO COMPARISON OF FORCE LOSS OF ORTHODONTIC NON-LATEX ELASTICS

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ALAVI SHIVA; RAHNAMA TABATABAIE ATUSA; HAJIZADEH FATEMEH; HAERIAN ARDEKANI ALIREZA

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Journal Paper

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Journal: Frontiers in Dentistry Year:2014 | Volume:11 | Issue:1 Page(s): 10-16

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Title

AN IN-VITRO COMPARISON OF FORCE LOSS OF ORTHODONTIC NON-LATEX ELASTICS

Author(s)

ALAVI SHIVA | RAHNAMA TABATABAIE ATUSA | HAJIZADEH FATEMEH | HAERIAN ARDEKANI ALIREZA | Issue Writer Certificate

Keywords

DENTISTRY

LATEX

RUBBER

ORTHODONTIC APPLIANCES

Abstract

Objective: The amount and consistency of the applied forces to the tooth are important factors in tooth movements; therefore, the aim of this study was to com-pare the initial force and the force loss of three brands of elastics in 24 hours.Materials and Methods: In this in-vitro study sixty non-latex elastics (3.16 medium) from three companies (Forestadent, Dentaurum and Ortho Technology) were randomly selected. Two static tests were performed, the first in a dry environment to evaluate the initial force and the other performed in a wet environment (artificial saliva) to evaluate the force loss in 24 hours. The Universal testing ma-chine measured the forces after stretching the elastics to three times the lumen diameter. Data were analyzed by repeated measures ANOVA, One-way ANOVA, Tukey-HSD, Paired samples test, and one sample test.Results: The difference between the brands was significant (p=0.002). Force loss was observed in all samples; 4-7.5% force loss occurred after one hour and 19-38% force loss occurred after 24 hours. The average initial force of Forestadent and Ortho Technology was significantly higher than marketed forces (p<0.001), but the initial force of Dentaurum elastics was similar to the marketed force.Conclusion: The force loss over 24 hours time period was Foresta-dent>Dentaurum>Ortho-Technology. According to the initial force and force loss percentage it is suggested to replace the non-latex elastics several times a day.

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APA: Copy

ALAVI, SHIVA, RAHNAMA TABATABAIE, ATUSA, HAJIZADEH, FATEMEH, & HAERIAN ARDEKANI, ALIREZA. (2014). AN IN-VITRO COMPARISON OF FORCE LOSS OF ORTHODONTIC NON-LATEX ELASTICS. FRONTIERS IN DENTISTRY (JOURNAL OF DENTISTRY OF TEHRAN UNIVERSITY OF MEDICAL SCIENCES), 11(1), 10-16. SID. https://sid.ir/paper/298102/en

Vancouver: Copy

ALAVI SHIVA, RAHNAMA TABATABAIE ATUSA, HAJIZADEH FATEMEH, HAERIAN ARDEKANI ALIREZA. AN IN-VITRO COMPARISON OF FORCE LOSS OF ORTHODONTIC NON-LATEX ELASTICS. FRONTIERS IN DENTISTRY (JOURNAL OF DENTISTRY OF TEHRAN UNIVERSITY OF MEDICAL SCIENCES)[Internet]. 2014;11(1):10-16. Available from: https://sid.ir/paper/298102/en

IEEE: Copy

SHIVA ALAVI, ATUSA RAHNAMA TABATABAIE, FATEMEH HAJIZADEH, and ALIREZA HAERIAN ARDEKANI, “AN IN-VITRO COMPARISON OF FORCE LOSS OF ORTHODONTIC NON-LATEX ELASTICS,” FRONTIERS IN DENTISTRY (JOURNAL OF DENTISTRY OF TEHRAN UNIVERSITY OF MEDICAL SCIENCES), vol. 11, no. 1, pp. 10–16, 2014, [Online]. Available: https://sid.ir/paper/298102/en

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