Biomechanical Stability of Two Different Maxillofacial Screws in a Rabbit Model

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AKHLAGHI FAHIMEH; Einafshar Mohammadjavad; Hashemi Ata; Nouri Farzad

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Journal Paper

Paper Information

Journal: Regeneration, Reconstruction & Restoration Year:2021 | Volume:6 | Issue:1 Page(s): 0-0

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Information Journal Paper

Title

Biomechanical Stability of Two Different Maxillofacial Screws in a Rabbit Model

Author(s)

AKHLAGHI FAHIMEH | Einafshar Mohammadjavad | Hashemi Ata | Nouri Farzad | Issue Writer Certificate

Keywords

Maxillofacial Screws

Rabbit

Pullout Test

Maxillary Impaction

Biomechanics

Abstract

Introduction: Internal rigid fixation techniques are commonly used to treat maxillofacial fractures by stabilizing bone segments using titanium plates and screws. The current study aimed to compare the biomechanical stability of two Maxillofacial Screws with different tip designs in vivo. Materials and Methods: Six male Rabbits were randomly divided into two experimental periods of 0 and 4 weeks. Under general anesthesia, the screws were randomly placed in the tibia bone on both sides of each animal. The Pullout Test was conducted using a Sentam test device. Data were statistically analyzed using ANOVA. Results: The average insertion torque for non-self-tapping and self-tapping screws amounted to 4. 2±, 1. 7 and 4. 8±, 1. 4 Newton/centimeter, respectively (P-value >0. 05). The calculated measures for the Pullout Test demonstrated a significant increase of secondary stability after 4 weeks in comparison to 0 week (P-value<0. 001). However, the results among the two screws showed no statistically significant difference in each time point (P-value >0. 05). Conclusion: No significant differences were demonstrated among self-tapping or non-self-tapping Maxillofacial Screws.

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APA: Copy

AKHLAGHI, FAHIMEH, Einafshar, Mohammadjavad, Hashemi, Ata, & Nouri, Farzad. (2021). Biomechanical Stability of Two Different Maxillofacial Screws in a Rabbit Model. REGENERATION RECONSTRUCTION AND RESTORATION, 6(1), 0-0. SID. https://sid.ir/paper/1008149/en

Vancouver: Copy

AKHLAGHI FAHIMEH, Einafshar Mohammadjavad, Hashemi Ata, Nouri Farzad. Biomechanical Stability of Two Different Maxillofacial Screws in a Rabbit Model. REGENERATION RECONSTRUCTION AND RESTORATION[Internet]. 2021;6(1):0-0. Available from: https://sid.ir/paper/1008149/en

IEEE: Copy

FAHIMEH AKHLAGHI, Mohammadjavad Einafshar, Ata Hashemi, and Farzad Nouri, “Biomechanical Stability of Two Different Maxillofacial Screws in a Rabbit Model,” REGENERATION RECONSTRUCTION AND RESTORATION, vol. 6, no. 1, pp. 0–0, 2021, [Online]. Available: https://sid.ir/paper/1008149/en

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