Clinical Evaluation of Prototype Rubber-dam Clamps for Deciduous Molar Teeth

DOI 1 Citations 32 References
  • Toyama Takahisa
    Department of Pediatric Dentistry, School of Dentistry, Aichi-Gakuin. University
  • Otsuka Akihito
    Department of Pediatric Dentistry, School of Dentistry, Aichi-Gakuin. University
  • Atsumi Nobuko
    Department of Pediatric Dentistry, School of Dentistry, Aichi-Gakuin. University
  • Inabe Taro
    Department of Pediatric Dentistry, School of Dentistry, Aichi-Gakuin. University
  • Yamaue Kenju
    DENTECH Corporation
  • Tsuchiya Tomoyuki
    Department of Pediatric Dentistry, School of Dentistry, Aichi-Gakuin. University

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  • 試作乳臼歯用クランプの臨床評価

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Abstract

A large amount of saliva is secreted in children, tongue movement is intense and the operation a field is narrower in comparison with adults. The rubber-dam dry field technique is necessary because it improves efficiency and can be carried out safely.<BR>There are, however, few clamps marketed for deciduous molar teeth and they do not match the teeth very well. In addition, there are many problems pointing to a need to improve durability and sterilization as well.<BR>Therefore we undertook the experimental production of new rubber-dam clamps for deciduous molar teeth.<BR>Eight kinds of clamps were experimentally produced for the first and second deciduous molars for the upper, lower, left and right teeth. The prototypes were used in clinical practice and were evaluated and improved from the first to the fourth prototypes.<BR>The size of the fourth experimental prod uction clamps was made smaller than the existing model to improve operability inside the mouth. The fitness of the beak improved the effect of moisture exclusion. The width of the beak was adjusted and is able to match the structures of various teeth. The form of the wing made it easy to hold the rubber-dam sheet and remove it after installation.<BR>The result of the questionnaire showed, the 114 cases of the final trial product ion were found to be as good as or better than the existing model, with “stability” at 90.4%, “total balance” 95.6%, “form of the wing” 99.1% and “fitness of the beak” 93.9%.

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