Related Experiment Video
Updated: Aug 5, 2026

08:47
Mimicking and Measuring Occlusal Erosive Tooth Wear with the "Rub&Roll" and Non-contact Profilometry
Published on: February 2, 2018
[Comparative probing with an electronic and a manual periodontal probe]
C F Becherer1, K H Rateitschak, A F Hefti
1Abteilung für Kariologie und Parodontologie, Zahnärztliches Institut, Universität Basel.
Summary
A new electronic periodontal probe (Peri-Probe) showed greater measurement variation and was more difficult to use than a standard manual probe. The manual probe demonstrated more reliable and consistent probing depth measurements in this comparative study.
Area of Science:
- Periodontology
- Dental instrumentation
Background:
- Accurate probing depth measurement is crucial for diagnosing and managing periodontal disease.
- Standard manual probes are widely used, but their accuracy can be operator-dependent.
- Electronic probes aim to improve measurement consistency through defined probing force.
Purpose of the Study:
- To compare the measurement accuracy and reliability of a new electronic periodontal probe (Peri-Probe) against a standard manual probe.
- To evaluate measurement errors within and between appointments for both probing instruments.
Main Methods:
- A comparative study involving 24 sites per subject in 12 participants (6 treated, 6 untreated for periodontal disease).
- Duplicate probing depth measurements were taken with both Peri-Probe and manual probe during the same appointment.
- Measurements were repeated one week later in a reversed sequence to assess reliability.
Main Results:
- Within-appointment measurement errors were +/- 0.18 mm for the manual probe.
- Between-appointment measurement errors were +/- 0.86 mm for the electronic probe and +/- 0.65 mm for the manual probe.
- The electronic probe exhibited greater measurement variation and was perceived as more arduous to use, leading to less reliable measurements compared to the manual probe.
Conclusions:
- The standard manual periodontal probe demonstrated superior reliability and consistency compared to the new electronic probe (Peri-Probe).
- Further refinement of electronic periodontal probe technology may be needed to overcome issues with measurement variation and usability.
Related Concept Videos
Assessing Body Temperature - Oral
Here are the steps to accurately measure oral temperature using an electronic thermometer:
Step 1:
Start by practicing proper hand hygiene to prevent the spread of microorganisms.
Step 2:
Take the thermometer out of the charging unit, switch it on, and wait for the ready sign.
Step 3:
Gently slide the probe cover until a click is heard. This simple action prevents cross-contamination and ensures the correct placement of the probe cover.
Step 4:
Instruct the patient to open their mouth and place...
Step 1:
Start by practicing proper hand hygiene to prevent the spread of microorganisms.
Step 2:
Take the thermometer out of the charging unit, switch it on, and wait for the ready sign.
Step 3:
Gently slide the probe cover until a click is heard. This simple action prevents cross-contamination and ensures the correct placement of the probe cover.
Step 4:
Instruct the patient to open their mouth and place...
Overview of Microscopy Techniques
The early pioneers of microscopy opened a window into the invisible world of microorganisms. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes that leveraged nonvisible light, such as fluorescence microscopy that uses an ultraviolet light source and electron microscopy that uses short-wavelength electron beams. These advances significantly improved magnification, image resolution, and contrast. By comparison, the...

