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  • 1
    Electronic Resource
    Electronic Resource
    Comparison between restorations in the permanent dentition produced by hand and rotary instrumentation – survival after 3 years (2003)
    Oxford, UK : Munksgaard International Publishers
    Community dentistry and oral epidemiology 31 (2003), S. 0 
    Details
    ISSN: 1600-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract –Objectives: In the early 1990s, the Ministry of Education in Syria introduced a school oral health programme based on preventive and educational activities only. A restorative component was missing at that time. A few years later, the Atraumatic Restorative Treatment (ART) approach was considered an option to complement the oral health programme but little was known about the longevity of ART restorations in permanent teeth. The null hypothesis which was researched in this trial was: there is no difference between the survival of restorations placed through the ART approach using glass ionomer and those produced through the traditional approach using amalgam (MTA) in permanent dentitions after 3 years.Methods: Using a parallel group design, 679 grade 2 children, with a mean age of 7.5 years, participated. A total of 369 children were treated through the ART and 310 children through the MTA approach. Eight dentists produced a total of 1118 single- and multiple-surface restorations.Results: The 3-year dropout of the single-surface restorations was 15.3%. Testing the null hypothesis for all single- and multiple-surface restorations revealed a statistically significant difference between the two approaches in favour of the ART approach (P = 0.04). The study showed a 3-year cumulative survival percentage of single-surface ART and MTA restorations of 82.1 (SE = 1.9%) and 76.9% (SE = 2.3%), respectively. The difference was not statistically significant. The number of 3-year surviving multiple-surface restorations was too low for further analyses. The main failure characteristics for both single-surface ART and MTA restorations were restoration missing and gross marginal defect. The 3-year survival percentage of both single-surface ART and MTA restorations varied widely among the eight operators resulting in an operator effect (P = 0.01).Conclusions: The null hypothesis was rejected in favour of the ART approach. It is recommended to select the ART approach to complement the educational and preventive activities of the school oral health programme in Syria.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1034/j.1600-0528.2003.00027.x
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  • 2
    Electronic Resource
    Electronic Resource
    Effect of a consensus statement on initial treatment for traumatic dental injuries (2001)
    Copenhagen : Munksgaard International Publishers
    Dental traumatology 17 (2001), S. 0 
    Details
    ISSN: 1600-0595
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract – The aim of this study was to investigate the influence of a consensus statement on dental practitioners’ choice of initial treatment for traumatic dental injuries. Dental practitioners working at government dental clinics in eight cluster sample regions of mainland Tanzania were requested to participate in the study; that is, to record the treatment they provided to children aged 1–17 years seeking dental consultation after injury for a period of 12 months. Six months after the beginning of data collection, a consensus statement was introduced. After the dental practitioners received the consensus statement, the correct treatment they provided increased from 51% to 57%. The unnecessary treatments increased from 54% to 59%, while wrong treatments decreased from 55% to 42%. Only a small improvement was observed in the percentage of correct treatments, but there was a slightly significant improvement in the percentage of wrong treatments provided before and after introduction of the consensus statement. We conclude that the consensus statement had a slight influence on the dental practitioners’ choice of initial treatment for dental trauma in the desired direction.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1034/j.1600-9657.2001.017004159.x
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  • 3
    Electronic Resource
    Electronic Resource
    Effect of mucin on the corrosion behaviour of dental casting alloys (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of oral rehabilitation 16 (1989), S. 0 
    Details
    ISSN: 1365-2842
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The influence of mucin on the corrosion behaviour of seven typical dental casting alloys was investigated. A commercial saliva substitute (Saliva Orthana®) containing mucin, and a control from which the mucin had been removed, were used.The electrochemical behaviour of the test alloys was evaluated around the open circuit potential (OCP) utilizing standard potentiodynamic techniques, as a function of oxygen concentrations and pH.The results of the corrosion measurements were analysed by a four-way ANOVA to detect the influence of alloy, environment and possible interactions. Mucin seems to act as a cathodic inhibitor at pH. 6.7 but not at pH 4.6. An unidentified component (e.g. benzoate) of the saliva substitute probably acts as an adsorption inhibitor. Anodic passivation is also correlated with the artificial saliva composition.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2842.1989.tb01382.x
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  • 4
    Electronic Resource
    Electronic Resource
    Clinical performance of resin-bonded bridges: a 5-year prospective study. II. The influence of patient-dependent variables (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of oral rehabilitation 16 (1989), S. 0 
    Details
    ISSN: 1365-2842
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A total of 203 resin-bonded bridges was inserted under controlled clinical conditions and evaluated for a number of patient-dependent variables over a period of 5 years. Of the variables evaluated only ‘initial occlusion of the abutment teeth’ and ‘location in the dental arch’ had a significant influence on the retention of resin-bonded bridges. Anterior resin-bonded bridges were more durable than posterior bridges. Mandibular posterior bridges showed the lowest retention ratio. It is concluded that the design of posterior resin-bonded bridges should include tooth preparation or a wrap-around design of the retainers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2842.1989.tb01373.x
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  • 5
    Electronic Resource
    Electronic Resource
    An evaluation of crowns and bridges in a general dental practice (1985)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of oral rehabilitation 12 (1985), S. 0 
    Details
    ISSN: 1365-2842
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: In this article the results are presented of an evaluation of crowns and bridges in a general practice. The study includes 601 solitary crowns, 213 crowns on bridge abutments and 103 crowns on RPD abutments. In total eighty-four bridges were examined. All these restorations were constructed during a period of 11.5 years. By means of the Kaplan-Meier method a prognosis is given of the life span of the different solitary crown-types over periods between 1 and 11 years. The total amount of failures and follow-up treatments on bridge and RPD abutments was very small. The authors also examined whether the bridges were constructed according Ante's law. A follow-up of this study in other Dutch general practices in combination with experimental clinical trials is under way.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2842.1985.tb01299.x
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  • 6
    Electronic Resource
    Electronic Resource
    Clinical performance of resin-bonded bridges: a 5-year prospective study. I. Design of the study and influence of experimental variables (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of oral rehabilitation 16 (1989), S. 0 
    Details
    ISSN: 1365-2842
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A total of 203 resin-bonded bridges were inserted under controlled clinical conditions and evaluated over a period of 5 years. The study included two experiments to test the influences of retainer type, cementation material and operator on the success rate of resin-bonded bridges. The overall survival at 5 years was 75%. Micromechanical retainers were better than macromechanical retainers. For inserting micromechanical retainers, the cementation materials Clearfil F and Panavia Ex were better than Conclude. An operator effect was not found in this study.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2842.1989.tb01361.x
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  • 7
    Electronic Resource
    Electronic Resource
    Survival studies of dental restorations: criteria, methods and analyses (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of oral rehabilitation 16 (1989), S. 0 
    Details
    ISSN: 1365-2842
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The longevity of dental restorations is an important health concern for the patient, the dentist, and the various forms of insurance systems. In this article several methods of evaluating survival time are described and the different ways of presenting the findings of survival studies are discussed. It is stated that only longitudinal studies are appropriate to give an exact insight in the longevity of restorations. A large amount of information is available in dental records and the way these data can be analysed is presented in this paper. It appears that Cox's proportional hazard model is the appropriate way of demonstrating the influence of several factors on the survival rate. An example is provided of the results from a recent survival study of crowns in The Netherlands.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2842.1989.tb01355.x
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  • 8
    Electronic Resource
    Electronic Resource
    Treatment times of amalgam restorations (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Community dentistry and oral epidemiology 20 (1992), S. 0 
    Details
    ISSN: 1600-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The aim of this study was to present information about treatment times for amalgam restorations and the factors influencing them. The study was carried out as part of a clinical trial. Following a written treatment protocol, 1044 class II restorations with two surfaces and 1433 restorations with three surfaces were made by seven operators. The statistical method consisted of an ANOVA after log. transformation of the treatment times. The mean total treatment time for two-surface restorations was 24 min and for three-surface restorations 30 min. The mean finishing and polishing time was 6.3 min. A significant effect on the treatment time was noted for: (1) operator, (2) size of the restorations, and (3) type of tooth (molar/premolar). The results of this study may be useful for cost-benefit analysis and for efficient planning in dental practice.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0528.1992.tb01716.x
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  • 9
    Electronic Resource
    Electronic Resource
    Overload and training, compensatory hypertrophy and contraction characteristics of M. plantaris in female and male rats (1973)
    Springer
    Cellular and molecular life sciences 29 (1973), S. 671-673 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Zusammenfassung Bei der Ratte wurde durch Denervation des M. gastrocnemius und des M. soleus eine kompensatorische Hypertrophie des M. plantaris bewirkt und die distale Sehne des M. plantaris auf diejenige des M. gastrocnemius transplantiert. Ein Teil der operierten Tiere wurde trainiert, die Muskelgewichte bestimmt und isotonische sowie isometrische Kontraktionen untersucht. Die Muskelhypertrophie war bei den trainierten Ratten am stärksten ausgeprägt.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01944764
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