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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    ISSN: 1600-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The effect of denture wearing habits was studied in 35 overdenture wearers (20 day-and-night wearers. 15 day-wearers) during a period of 3 yr with controlled oral hygiene. Prior to prosthetic treatment intensive instruction and motivation in oral hygiene were carried out and the patients were recalled 24 times yearly during the study period. Before treatment mean Plaque Index (PH) and Gingival Index (GI) were 1.5 and 1.6, respectively, in both groups of patients. At day 0, 1 yr, 2 yr and 3 yr mean PII and GI were 0.3 0.5 and 0.6 0.8, respectively, in the group of day-wearers and 0.5–1.0 and 1.0–1.2, respectively, in the group of day–and–night wearers. This difference was statistically significant. Furthermore, during the study period 16% of the abutment tooth surfaces showed attachment loss (1 4 mm) in the group of day-and-night wearers against 7% of the tooth surfaces in the group of day-wearers. This difference was statistically significant. During the 3 yr 36 carious lesions developed in the group of day-and-night wearers, but none in the group of day-wearers. The results of this study have shown that day–and–night wearing of dentures is a major periodontitis and caries risk factor in complete overdenture wearers with controlled oral hygiene.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Periodontology 2000 10 (1996), S. 0 
    ISSN: 1600-0757
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1600-0501
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A qualitative and quantitative histological study of the initial healing response adjacent to 24 submerged and non-submerged implants placed in the lower jaws of 6 monkeys is presented. The histomorphometric analysis showed no significant differences in mineralized bone-implant contact length between submerged and non-loaded non-submerged titanium implants. The infrabony defects around some of the implants on the radiographs were significantly correlated to the histological measurements. Qualitatively, a greater number of gingival inflammation cells and a longer junctional epithelium were seen adjacent to non-submerged implants without oral hygiene than were seen adjacent to non-submerged implants with oral hygiene in the initial healing period.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1600-051X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract Indices used to evaluate periodontal health have been widely accepted in epidemiological studies, yet their reliability cannot be guaranteed. The aim of this study was to evaluate the reliability of periodontal indices applied on elders. 19 elderly subjects, 73-years-old on average, were examined at a 1st appointment by 2 independent examiners. They were re-examined 2 weeks later during a 2nd session. The examinations were performed in a dental chair with good illumination. Periodontal health was evaluated using the community periodontal index of treatment need, and tooth mobility was evaluated using 2 different indices. Inter- and infra-examiner agreements were evaluated using k statistics. Taken as an overall measurement, the CPITN was a reliable assessment of periodontal treatment need in elders. Disagreement occurred mainly on the evaluation of bleeding and shallow pockets. The detection of fairly mobile teeth was reliable: however, the performance of the more sensitive scale was deceptive. It seems that, in the case of tooth mobility, a choice has to be made between sensitivity or reproducibility. It can be concluded that examiners should be trained carefully since the reliability of the CPITN and tooth mobility evaluation were good but close to a critical level for which an agreement is classified as poor.
    Type of Medium: Electronic Resource
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