Related Experiment Video
Updated: Aug 11, 2026

Oral Biofilm Sampling for Microbiome Analysis in Healthy Children
Published on: December 31, 2017
[Report on the learning effect in school children following toothbrushing instruction by students]
Abstract:
After they had gone through a training program on the prevention of caries and periodontal disease, 20 students instructed young patients in how to brush their teeth. One of the students instructed a class of 35 pupils. The change-over from the learning situation to the situation at the patient was successful with 77% of the students. Questionnaires filled out by the patients before and after the instruction reveal that specific information and motivation regarding improved personal oral hygiene had increased.
Related Concept Videos
Handwashing I: Introduction and Types of Equipment
Hand wash basins in clinical areas should have faucets that can be turned on and off without using the hands; that is, they should be non-touch or lever-operated.
Handwashing II: Pre-procedure and Initial Procedure Steps
The hand washing procedure itself includes the following steps. First, cover cuts, if any, on hands with a waterproof dressing. Cuts and abrasions can become contaminated with bacteria hindering the ability to clean the area thoroughly. In addition, repeated hand washing can worsen an injury. The nails must be short and clean, without nail paint...
Handwashing III: During the Procedure and Post-Procedure Steps
Development of the Oral Microbiota

