Comparison of two automated periodontal probes and two probes with a conventional readout in periodontal maintenance patients
: D. S. Barendregt
: journal of clinical periodontology
Aim: The aim of the present study was to test in periodontal maintenance patients
whether the systems for pressure control that have been commercially developed
contribute to more reproducible probing depth measurements as compared with a
Material and Methods: In 12 patients duplicate measurements were made at day 0
and 1 week later. In each patient four teeth with the deepest pockets were measured at
six sites. In total 288 sites were available for comparisons. The Florida Probe
(159 N/cm2), the Jonker Probe
(JP) (153 N/cm2), the Brodontic
probe (BP) (255 N/
cm2) and the manual probe (MP) were used in a randomized scheme.
Results: Mean probing measurements showed for the FP and the JP lower recordings
than for the BP and manual probe. The FP, the BP and the MP showed no differences
between the duplicate measurements, except for the JP where the second measurement
was deeper. Correlation coefficients between measurements at day 0 and 1 week show
for the BP and the MP are 0.90 and 0.89, respectively, while for the FP and the JP they
are 0.76 and 0.75, respectively.
Conclusion: The BP and the MP appear to be reliable tools for reproducible pocket
depth measurements in periodontal maintenance patients.
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