Plaque sampling and telemetry for monitoring acid production on human buccal tooth surfaces

Mark Jensen, P. J. Polansky, C. F. Schachtele

Research output: Contribution to journalArticle

51 Citations (Scopus)

Abstract

The plaque sampling method and wire telemetry using miniature, glass pH electrodes on the buccal surface of mandibular first permanent molars, compared human dental plaque pH responses to a 10 per cent solution of sucrose. Nine subjects abstained from oral hygiene and were tested in morning sessions on 5 consecutive days. The mean resting plaque pH value for all sessions by plaque sampling was 6.60 ± 0.18 (mean ± SD) and by telemetry was 6.56 ± 0.19. After a 1 min sucrose rinse, 1-day-old plaque showed a decrease in pH to approx. 5.5 by both methods. The 2-, 3-, 4- and 5-day-old plaque showed a consistent and more marked response to the carbohydrate. With 5-day-old plaque, the mean minimum pH achieved was 4.69 ± 0.28 as measured by sampling and 3.94 ± 0.49 as determined by telemetry. The times taken to reach minimum pH as determined by the two methods were almost identical. The electrode calibration data showed that all the telemetry electrodes responded consistently for all 5 days of study. Scanning electron microscopy and microbiological analysis of electrode tips and enamel replicas revealed that plaque accumulated on glass at the same rate and with a similar bacterial composition to plaque formed on clean enamel. It is proposed that glass microelectrodes and wire telemetry are a reasonable means for continuously monitoring plaque pH in situ. Comparison with plaque sampling suggested that telemetric responses reflect the type of plaque which accumulates at particular sites on the dentition.

Original languageEnglish (US)
Pages (from-to)21-31
Number of pages11
JournalArchives of Oral Biology
Volume27
Issue number1
DOIs
StatePublished - Jan 1 1982

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Telemetry
Cheek
Tooth
Acids
Electrodes
Glass
Dental Enamel
Sucrose
Dental Plaque
Dentition
Oral Hygiene
Microelectrodes
Electron Scanning Microscopy
Calibration
Carbohydrates

All Science Journal Classification (ASJC) codes

  • Otorhinolaryngology
  • Dentistry(all)
  • Cell Biology

Cite this

Plaque sampling and telemetry for monitoring acid production on human buccal tooth surfaces. / Jensen, Mark; Polansky, P. J.; Schachtele, C. F.

In: Archives of Oral Biology, Vol. 27, No. 1, 01.01.1982, p. 21-31.

Research output: Contribution to journalArticle

Jensen, Mark ; Polansky, P. J. ; Schachtele, C. F. / Plaque sampling and telemetry for monitoring acid production on human buccal tooth surfaces. In: Archives of Oral Biology. 1982 ; Vol. 27, No. 1. pp. 21-31.
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