title: Clinical evaluation of the association between noncarious cervical lesions and occlusal forces.
abstract: BACKGROUND
  Noncarious cervical lesions (NCCLs) are a frequent challenge in clinical dental practice, given the variety of opinions regarding their etiology, diagnosis, and treatment.
  
  
  OBJECTIVE
  The purpose of this study was to assess the potential relationship between occlusal forces and the occurrence of NCCLs.
  
  
  METHODS
  The participant population consisted of 111 volunteers (30 male and 81 female, mean age 23.6 years). General personal information was recorded, after which participants were examined for the presence and location of NCCLs, gingival recession, fracture lines, dental and restoration fractures, presence and location of tooth wear, type of occlusal guidance scheme for lateral mandibular movements, and existence of occlusal interference or premature contacts. The participants were divided according to the presence or absence of NCCLs, and data were statistically analyzed with the Independent t test, the Chi-square test, and the Fisher exact test (α=.05).
  
  
  RESULTS
  A significant association was found between the presence of NCCLs and age (P=.008), gingival recession (P<.001), occlusal trauma (P<.001), presence (P<.001) and location of tooth wear, and group function as occlusal guidance scheme in lateral excursive movements (P<.001).
  
  
  CONCLUSIONS
  A strong relationship between the presence of NCCLs and occlusal overload was found.
authors.affiliation: Department of Surgery and Integrated Clinic, School of Dentistry, São Paulo State University (UNESP), Araçatuba, Brazil. brandini@foa.unesp.br
authors.forename: Daniela Atili
authors.initials: DA
authors.lastname: Brandini
authors.forename: Carolina Lunardeli
authors.initials: CL
authors.lastname: Trevisan
authors.forename: Sônia Regina
authors.initials: SR
authors.lastname: Panzarini
authors.forename: Denise
authors.initials: D
authors.lastname: Pedrini
mesh_terms: D000328:Adult; D001732:Bite Force; D016022:Case-Control Studies; D016009:Chi-Square Distribution; D003430:Cross-Sectional Studies; D003799:Dental Stress Analysis; D005260:Female; D005889:Gingival Recession / Q000209:etiology; D006801:Humans; D008297:Male; D014072:Tooth Abrasion / Q000209:etiology*; D019237:Tooth Cervix / Q000473:pathology*; D014099:Toothbrushing / Q000009:adverse effects*; D055815:Young Adult