Department of Dental Science
Conservative dentistry
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Introduction
The laboratory of conservative dentistry forms a basis of dentistry performing various studies and clinical application to conserve natural teeth as long as possible by recovering the original functions of teeth such as mastication, pronunciation, aesthetic appreciation and protective function of adjacent tissues through diagnosis, treatments, prognosis evaluation and prevention of damaged tooth soft tissue caused by dental caries, trauma, attrition and abrasion and aesthetic disharmony caused by abnormal shape or discoloration of teeth upon development of teeth. Two key areas of the laboratory of conservative dentistry are conservative restoration and endodontology which account for a large proportion of dental treatments to improve the quality of life in aging society through conservation of natural teeth which is the final purpose. Thus, they are the basic and important areas.
Research areas
  • Aesthetic restoration laboratory
    Aesthetic properties are recovered by restoration using materials of tooth color on tooth areas where dental caries, fractures and morphological abnormality occur. At the time, we are performing the studies on clinical application and procedures of aesthetic restoration agents and adhesives for dentistry.
  • Microbial research in root canal, development of root canal filing agents and biocompatibility studies
    Studies on current situation of microorganisms in the root canal by using the latest technique and application to clinical practice by developing endodontic adhesive with good biocompatibility during endodontic filling.
  • Dental pulp – dentin complex restoration laboratory
    We are performing the physical and chemical studies on the durability of restoration materials and dental pulp stem cell research with regeneration promoting cells and materials of dental pulp – dentin complex.
  • Dental Bonding Interface Laboratory
    We are performing the studies to understand bonding mechanism for teeth of complex resins which is aesthetic restorative material using polymer and dental adhesives. In particular, we observe electron microscopy of the interface, evaluate the factors related to the bonding through biomechanical interpretation, and perform the studies to improve the performance of adhesives.
  • Endodontic materials and equipment Laboratory
    We are performing the studies on properties of gutta percha used in the filling process of endodontic treatments, and development and clinical application of thermal pressurized device, Duo-alpha, thermoplastic gutta percha and injection device, Duo-beta.
  • Dental complex materials, biomechanics instrumentation and automation laboratory
    We are performing the studies on development of restorative materials and clinical procedures which can produce better clinical results by measuring biomechanical phenomena which may occur during restoration with the complex resin which is the material of aesthetic restoration. We are developing the apparatus which can measure linear and volumetric polymerization shrinkage rate during photo polymerization of dental complex resins, performing the rheological research on viscoelasticity of complex resins and designing and producing various test devices such as Rheometer.
  • Immunology and molecular microorganism laboratory
    We are performing the studies on roles of immune cytokine associated with etiology of diseases in dental pulp and tooth apex, and immunosuppressive factors of bacteria causing the failure of endodontic treatments.
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