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Comparative study of subgingival microbiological sampling techniques.

S Renvert1, M Wikström, M Helmersson

  • 1School of Dental Hygiene, Public Dental Service, Kristianstad, Sweden.

Journal of Periodontology
|October 1, 1992
PubMed
Summary
This summary is machine-generated.

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Paper point sampling for subgingival plaque yields higher bacterial counts and spirochetes compared to scaler sampling. This finding is crucial for accurate periodontal disease assessment and microbial analysis in clinical practice.

Area of Science:

  • Microbiology
  • Periodontology
  • Dental Diagnostics

Background:

  • Subgingival plaque bacteria indicate active periodontal disease.
  • Subgingival sampling techniques may impact microbial identification and enumeration.

Purpose of the Study:

  • To compare paper point sampling and scaler sampling for subgingival plaque.
  • To evaluate the influence of sampling method on microbial analysis in periodontal disease.

Main Methods:

  • Subgingival samples collected from 12 patients using both paper point and scaler methods.
  • Sampling performed on three surfaces per patient before and after treatment.
  • Microbiological analysis included total colony forming units, periodontal pathogens, and spirochetes via phase contrast microscopy.

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Main Results:

  • Paper point sampling yielded significantly higher numbers of total colony forming units (CFUs) compared to scaler sampling.
  • Significantly higher spirochete counts were observed with paper point sampling.
  • These differences were consistent both before and after periodontal treatment.

Conclusions:

  • Paper point sampling is more effective in capturing subgingival bacteria, including spirochetes, than scaler sampling.
  • The choice of subgingival sampling method can significantly affect microbiological findings in periodontal disease assessment.
  • Standardization of sampling techniques is recommended for reliable periodontal diagnostics.