Recent advances in materials and technology of dental implant
Dr Hao-Heung CHANG
Division of Oral and Maxillofacial Surgery
National Taiwan University
TAIWAN
Although the popularity of dental implant with high survival rate has been emphasized in recent years. However, the esthetic problem in anterior teeth region and mechanical failure in posterior teeth have become a new challenge after long-term application. Moreover, facilitating implant inserted in bone with compromised quality and quantity and reducing the healing time also been advocated. It seemed there still a lot clinical unmet of needs should be fulfilled in near future.
In this presentation, experiences and research in developing dental materials and technology in School of Dentistry at National Taiwan University in recent years will be reported. First of all, in order to overcome the drawback in esthetic problem in anterior tooth region, a new zirconia implant has been developed then for marketing. Important findings and results in investigation on such a new zirconia implant from bench to clinical application will be presented. Subsequently, in order to overcome the long-term mechanic failure in dental implant, new abutment with adequate cushion effect mimicked biomechanics of periodontium have been developed and fabricated. Basic mechanics of viscoelasticity of periodontium including creep, stress relaxation and hysteresis and their application in improving implant design will be revealed. Finally, in order to hasten the healing process, different composition of bioceramics have been developed and test in their efficacy in bone regeneration both in vitro and in vivo. A possible roadmap in development of injectable bone cement and three-dimensional printing of composite ceramic materials, based on current results in cell and animal testing will be shown in this presentation.
It is hoped that this presentation will provide a new insight in the new material and technology concerning the dental implant, and provide an opportunity for familiarizing or applying these new materials or techniques soon in the future
