title: A study to evaluate and compare the efficacy of preprocedural mouthrinsing and high volume evacuator attachment alone and in combination in reducing the amount of viable aerosols produced during ultrasonic scaling procedure.
abstract: OBJECTIVE
  In recent years, ultrasonics has gained prime importance and is considered a valuable tool in the dentist's armamentarium. Studies have confirmed that an aerosolized bacterial contamination is produced during the use of ultrasonic scalers.
  
  
  OBJECTIVE
  To evaluate and compare the efficacy of preprocedural mouthrinsing using a bis-biguanide (chlorhexidine gluconate 0.2%) and high volume evacuator attachment alone and in combination in reducing the amount of viable aerosols produced during ultrasonic scaling procedure.
  
  
  METHODS
  A total 90 subjects were assigned to group I (who rinsed with 0.2% chlorhexidine gluconate prior to scaling), group II (high volume evacuator attachment was used during ultrasonic scaling) and group III (who rinsed with 0.2% chlorhexidine gluconate prior to scaling and in whom high volume evacuator attachment was used during ultrasonic scaling). Control group consisted of subject's whose mouth was scaled using a piezoelectric ultrasonic scaler without preprocedural rinsing or high volume suction. Aerosol samples were collected using blood agar plates. The blood agar plates containing the aerosol sample were taken to the microbiology department as soon as the sampling was over and were subjected to aerobic culturing.
  
  
  RESULTS
  The values obtained showed that all the three groups were effective in reducing the mean colony forming units (CFUs).
  
  
  CONCLUSIONS
  The results of this study showed that preprocedural rinse and high volume suction were effective when used alone as well as together in reducing the microbial load of the aerosols produced during ultrasonic scaling. There was a significant reduction in the number of CFUs in aerosol samples obtained.
authors.affiliation: Department of Periodontology, STES's Dental College and Hospital, Pune, Maharashtra, India.
authors.forename: Nihal R
authors.initials: NR
authors.lastname: Devker
authors.forename: Jyoti
authors.initials: J
authors.lastname: Mohitey
authors.forename: Akshay
authors.initials: A
authors.lastname: Vibhute
authors.forename: Vivek Singh
authors.initials: VS
authors.lastname: Chouhan
authors.forename: Prithviraj
authors.initials: P
authors.lastname: Chavan
authors.forename: Sachin
authors.initials: S
authors.lastname: Malagi
authors.forename: Rosemary
authors.initials: R
authors.lastname: Joseph
mesh_terms: D000293:Adolescent; D000328:Adult; D000336:Aerosols; D000391:Air Microbiology; D000395:Air Pollutants, Occupational; D016902:Air Pollution, Indoor / Q000517:prevention & control*; D000891:Anti-Infective Agents, Local / Q000627:therapeutic use*; D001419:Bacteria / Q000302:isolation & purification*; D058491:Bacterial Load; D002710:Chlorhexidine / Q000031:analogs & derivatives* / Q000627:therapeutic use; D003770:Dental Offices; D003774:Dental Plaque Index; D012534:Dental Scaling / Q000295:instrumentation*; D005260:Female; D006801:Humans; D019552:Infection Control, Dental / Q000379:methods; D008297:Male; D008875:Middle Aged; D009067:Mouthwashes / Q000627:therapeutic use*; D010512:Periodontal Index; D014464:Ultrasonic Therapy / Q000295:instrumentation*; D055815:Young Adult
chemical_list: D000336:Aerosols; D000395:Air Pollutants, Occupational; D000891:Anti-Infective Agents, Local; D009067:Mouthwashes; C010882:chlorhexidine gluconate; D002710:Chlorhexidine