title: Prevalence of Peri-implant Diseases: Analyses of Associated Factors.
abstract: AIM. Identify the relationship between specific factors (age, sex, smoking, time of prosthesis in function, implant location, and width of peri-implant keratinized mucosa) and peri-implant diseases in patients from the Center of Research and Continuing Education in Implant Dentistry (CEPID) at the Federal University of Santa Catarina (UFSC), Brazil.
  
  
  METHODS
  A cross-sectional study was conducted in 193 patients that had received 725 external-hexed cylindrical implants supporting functional prosthesis for at least 1 year (range from 1-9 years). Clinical examination included probing depths, bleeding on probing and/or suppuration. Radiographic exam was conducted to measure peri-implant bone levels.
  
  
  RESULTS
  There was no statistically significance in the association between prevalence of peri-implant diseases and age, sex, time with prostheses in function and implant location variables independently. There was a statistically significant association between the independent variables of smoking and the width of keratinized peri-implant mucosa less than 2mm, and the presence of peri-implant diseases. When all the categories were evaluated together in relation with the peri-implant diseases, the prostheses in function for 5 years and more had association with presence of both, peri-implant mucositis an peri-implantitis. Peri-implantitis prevalence was higher for males with the prostheses in use for 5 years or more. Peri-implant mucositis was more associated with the participants over 57 years of age, with systemic disease and with the prostheses in function for more than 5 years.
  
  
  CONCLUSIONS
  Smoking habits and the width of peri-implant keratinized mucosa as independent variables were associated with the prevalence of peri-implant diseases.
authors.forename: Cimara Fortes
authors.initials: CF
authors.lastname: Ferreira
authors.forename: André R
authors.initials: AR
authors.lastname: Buttendorf
authors.forename: João Gustavo Oliveira
authors.initials: JG
authors.lastname: de Souza
authors.forename: Haline
authors.initials: H
authors.lastname: Dalago
authors.forename: Schuldt Filho
authors.initials: SF
authors.lastname: Guenther
authors.forename: Marco A
authors.initials: MA
authors.lastname: Bianchini
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D016301:Alveolar Bone Loss / Q000453:epidemiology; D001938:Brazil / Q000453:epidemiology; D003430:Cross-Sectional Studies; D015921:Dental Implants / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D057873:Peri-Implantitis / Q000453:epidemiology*; D010512:Periodontal Index; D010514:Periodontal Pocket / Q000453:epidemiology; D015995:Prevalence; D012307:Risk Factors; D012737:Sex Factors; D012907:Smoking / Q000453:epidemiology; D013280:Stomatitis / Q000453:epidemiology*; D013997:Time Factors; D055815:Young Adult
chemical_list: D015921:Dental Implants