PROFILE ANALYSIS OF STANDARD TEETH WEAR IN PEOPLE SUFFERING FROM BRUXISM AND ITS RELATIONSHIP WITH DENTAL EROSION: A LONGITUDINAL ANALYSIS

  • Letícia Ladeira Bonato Universidade Federal Fluminense
  • Flávia de Souza Bastos Universidade Federal de Juiz de Fora
  • Agnes Batista Meireles Universidade Federal de Minas Gerais
  • Renato Françoso de Ávila Instituto Federal de Educação, Ciência e Tecnologia (Campus Juiz de Fora)
  • Josemar Parreira Guimarães
Keywords: Bruxism, Dental Wear, Teeth Erosion

Abstract

Although teeth wear is a physiological process, bruxism or teeth grinding is indicated as the sole etiological factor involved, without taking into consideration other wear processes, such as erosion and abrasion. Current descriptive and longitudinal analysis evaluates the surface roughness in teeth as dental wear standard in females diagnosed with acid erosion or attrition. Sample comprised 20 females, aged between 20 and 50 years old, divided into Group A (n=9) characterized by teeth grinding, and Group B (n=11) without bruxism. A subdivision was also included by dividing those with erosion factors in the diet. After a thorough exam, molds of the upper teeth with Addition Silicon Impression were undertaken to obtain the patients´ dental replicas. Mitutoyo Surface Roughness Analyzer SJ-301 was employed to investigate the samples´ surface roughness. All participants of Groups A and B with erosion factors had an increase in Ra at 25.16%, 200% and 74.9%, respectively. Erosion-less Group B was the only one with a non-significant difference. Difference in the Abbot-Firestone curve was sharp only in groups with erosion factors. Results revealed that the standard of dental wear with erosion factors was high when compared to attrition-caused wear.

Author Biographies

Letícia Ladeira Bonato, Universidade Federal Fluminense
Doutorado em andamento pela Universidade Federal Fluminense - UFF, Brasil.
Flávia de Souza Bastos, Universidade Federal de Juiz de Fora
Docente Adjunta II do Departamento de Mecânica Aplicada e Computacional da Universidade Federal de Juiz de Fora - UFJF, Brasil.
Agnes Batista Meireles, Universidade Federal de Minas Gerais
Doutora em Bioengenharia pela Universidade Federal de Minas Gerais - UFMG, Brasil.
Renato Françoso de Ávila, Instituto Federal de Educação, Ciência e Tecnologia (Campus Juiz de Fora)
Pós-doutorado sênior realizado na Faculdade de Engenharia Mecânica da Universidade Federal de Uberlândia - UFU, Brasil.
Josemar Parreira Guimarães
Doutor em Ortodontia pela Faculdade de Odontologia da Universidade Federal do Rio de Janeiro - UFRJ, Brasil; Coordenador do Serviço de Diagnóstico e Orientação a Pacientes com Desordens Temporomandibulares.
Published
2015-09-28
Section
Artigos Originais