CORRELATION OF SURFACE ROUGHNESS AND FRICTION RESISTANCE IN ORTHODONTICS

Authors

DOI:

https://doi.org/10.30659/odj.9.1.153-157

Keywords:

metal bracket surface roughness, friction resistance

Abstract

Background: The orthodontic bracket transmit significant force from orthodontic wire to the teeth. Metal ions from the bracket may undergo biodegradation due to corrosion and create micro pit on the surface which increase friction resistance. Friction resistance between the archwire and the bracket may effect tooth movement and cause loss of anchorage. This study determine the correlation between surface roughness and friction resistance in orthodontic Roth brackets.
Method: Seventeen brackets were prepared from previous study and were analyzed using SEM-EDX (Phenom Pro X) to measure surface roughness. Friction resistance were measured using universal testing machine. Data were analyzed using Spearman correlation.
Result: Significant correlation were found between surface roughness and friction resistance on orthodontic brackets (p<0.05). The relationship is strongly correlated and directly proportional, with a positive coefficient value of 0.587.
Conclusion: The conclusion of the research showed that there was a significant correlation between surface roughness and friction resistance of orthodontic brackets.

Author Biographies

  • Grahita Aditya, Sultan Agung Islamic University

    Departemen Ortodonti

    Fakultas Kedokteran Gigi

  • Oedijani Santoso, Diponegoro University

    Program Studi Kedokteran Gigi

    Fakultas Kedokteran

  • Lisyani Suromo, Diponegoro University

    Bagian Patologi Klinik

    Fakultas Kedokteran

  • Reeza Maulana Nugraha, Sultan Agung Islamic University
    Fakultas Kedokteran Gigi, Universitas Islam Sultan Agung Semarang

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Published

2025-12-22

Issue

Vol. 9 No. 1 (2022): July 2022

Section

Original Article

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