PubMed · 4271724
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J M Perez. 1973. The one appointment pedodontic plaque control program.. https://pubmed.ncbi.nlm.nih.gov/4271724/
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BACKGROUND, AIMS: Toothbrush filaments with rounded ends allow for efficient removal of bacterial plaque and are less harmful to periodontal tissues than non-rounded bristles. The aim of this research was to evaluate the % of rounded filaments considered to be of acceptable quality in different toothbrush brands and to determine whether there is a standardization of quality, as manufacturers claim. METHOD: Brushes tested included 2 samples of medium-hard nylon or tynex toothbrushes from 31 various types found on the retail market in Italy. Tufts from the same position on the toothbrush head were removed and examined under a stereomicroscope, utilizing methods which did not alter the physical properties of the filaments. In 4 of the 31 toothbrush brands tested, more than 50% of the filaments appeared rounded, in 19 of them, between 11.9% and 40.5% and in 8 brands between 0% and 7%. RESULTS: Differences were found in the number and disposition of filaments among different brands and even within the same toothbrush brand. CONCLUSION: The results appear to indicate that a large % of toothbrushes on the retail market do not meet acceptable quality criteria.
This article describes the benefits and risks of providing RPDs. It emphasises the importance of co-operation between the dental team and patient to ensure that the balance of this 'equation' is in the patient's favour.
BACKGROUND: Plaque scoring, using a variety of indices and methods, is widely used in clinical dentistry. There is limited information on inter- and intra-examiner variability and almost no data on examiner accuracy. AIMS: The aim of this study, was to determine the inter- and intra-examiner variability and accuracy of 15 examiners, of differing plaque-scoring experience, in recording and judging plaque areas from simulated plaque on tooth charts. METHODS: Plaque, shaded red, was drawn onto tooth charts of 8 simulated "patients" and measured by planimetry by 1 investigator. For each tooth for each "patient", examiners subjectively copied the plaque onto blank charts and scored plaque in 5% increments for the global plaque index. This was repeated on 2 occasions. Drawn plaque areas were determine by the investigator and comparisons made with the actual areas and % scores of plaque. RESULTS: For both plaque recording methods, intra-examiner variability was low and slightly better than inter-examiner variability. Reproducing plaque areas showed a high level of accuracy in most examiners, as was judging areas in 5% increments, albeit slightly less accurate than area drawing. Overall examiner experience had little influence on judging plaque areas. CONCLUSION: The data suggest that area-based plaque indices can be scored or recorded accurately and with minimal variability within or between examiners. The laboratory model could be used to train and assess examiners.