Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 32 for “"hard tissue"”.
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Production of hard tissue scaffolds using three-dimensional printing method
… and improve osteointegration. The aim of bone tissue engineering is to provide solutions to these problems by making available high quality transplants that can be supplied in larger quantities. In these applications both the internal and external geometry of the scaffold are very important …
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3D Analysis of Hard Tissue Movement after Orthognathic Surgery in Skeletal Class III Malocclusion with Facial Asymmetry Patients
본 연구는 안면 비대칭을 동반한 골격성 3급 부정교합 환자의 악교정 수술(Le Fort I osteotomy: LF I or bilateral sagittal splint ramus osteotomy: BSSRO) 후 경조직의 3차원적 변화에 대해 분석하여,치료 계획 설정시 수술 후 예후를 고려한 정확한 평가가 이루어 질 수 있도록 알아보고자 하였다. 연구 대상은 2013년 3월부터 2014년 2월까지 아주대학교병원 구강악안면외과에서 동일한 1명의 술자가 시행한 악교정 수술 환자 중 수술 전(T1), 수술 2개월 후(T2), 수술 …
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An in vitro investigation into the effects of sports gels/drinks on human hard tissue – Consumer habits and Dentist knowledge
… of drinks/supplements on the surface microhardness of tooth.<br/><br/><b>Results</b><b><br/></b>Fifty participants completed questionnaire one. Thirty of which were male and twenty were female amateur athletes. A range of drinks/supplements was identified for laboratory …
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Cephalometric Analysis of Soft Tissue Profile Change Associated with Orthodontics and Orthognathic Surgery : A Long-Term Study
… orthognathic surgical treatment upon the soft tissue profile, and to determine the correlation between soft tissue response and the following variables: type of surgery, genioplasty, lip thickness, method of surgical site closure, interlabial distance and eversion of the lower lip. Preoperative …
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Einfluss des Wassersprays auf die Ablation von Zahnschmelz mit dem Er,Cr:YSGG-Laser
… ablation avoiding any thermal damage of dental hard tissue. Therefore, 3, 4, and 5 watt power adjustments were combined with water doses of 1, 1.5, 2, and 3 ml/s. A third parameter, which comprises three different mixing ratios of water and gas, was combined with the first mentioned factor of …
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Die Schaffung retentiver Strukturen im Zahnschmelz mittels Er, Cr:YSGG-Laser : unter Berücksichtigung der Befestigung kieferorthopädischer Brackets
… a small bond strength and a loosening of the hard tissue structure. Due to a too high loss of hard tissue and a strong loosening of the tooth structure the application of the Er,Cr:YSGG laser for conditioning of dental enamel for bracket bonding can not be recommended. The application of this …
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Postglacial Sandy Hill: A Regional Manifestation of the Gulf of Maine Archaic Tradition
… Hill by analyzing site morphology, lithics, and hard tissue macrobotanical remains from several radiocarbon dated contexts. Macrobotanical artifacts recovered from Sandy Hill indicate a preference for hazelnut as well as wetland roots and tubers. The lithic assemblage is related to the Gulf of …
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Understanding the association between the presence of occlusal fissure calculus and caries
… plane using a SCIFAB Series 1000 Deluxe Hard Tissue Microtome (Scientific Fabrications, Littleton, CO, USA). Photomicrographs were taken with an Olympus DP71, 12.5 megapixel cooled CCD camera mounted to a stereomicroscope (Leica S8APO). Scanning electron microscopy (EMITECH SC7620 Mini …
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Innovative Apatite/Bioactive Glass-based materials for biomedical applications
… to the development of innovative materials for hard tissue engineering.
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Antimicrobial Properties of Graphite and Coal-Derived Graphene Oxides as an Advanced Coating for Titanium Implants
… to providing improved bone cell adhesion and hard tissue compatibility.
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Development Of Strontium-Alginate Scaffolds To Improve Gingival Fibroblast Function
… inflammatory process, which affects soft and hard tissue resulting in bone resorption and loss of the supporting structures surrounding the dental implant. There is no ideal or standard treatment approach to manage peri-implantitis and this is still an active field of research. Strontium …
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On the uncertainty quantification and non-linear hyper elastic simulation of biological tissues
… is developed for the simulation of biological tissues. These tissues may exhibit either linear or nonlinear material responses and, therefore, the resultant theory and computational implementation are presented. Various discretization methods of the systems of equations are possible, and in the …
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Synthesis And Characterization Of Nanocrystalline Hydroxyapatite Powder; And The Effects Of Oxide-based Sintering Additives On Tricalcium Phosphate
… an intimate physicochemical bond with the host tissue, termed osseointegration. However the main limitation of calcium phosphates is their inherent brittle nature and poor mechanical performance under complex stress states. As a result, these materials have been used clinically only in …
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Therapeutische Effekte von vier verschiedenen Behandlungsmethoden bei der Korrektur von Distalbisslagen unter besonderer Berücksichtigung des Weichteilprofils
… four premolar extraction. Effects on the soft tissue facial profile were of great interest. Lateral headfilms from before and after treatment were analyzed using self-defined cephalometrics. The actual treatment effects were determined by a control group, which was set up on the basis of the …
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Tooth lesions and fluoride content in teeth, bones and antlers of mule deer (Odocoileus hemionus)
… deer from other two areas in Colorado. Mule deer tissues were collected during 1993-1995 from: USAF A (N=262), Pinon Canyon Maneuver Site (pCMS, N=24), and game management units (GMU's) in northwestern Colorado (N=16). The severity of tooth lesions was rated using a 0 (normal) to 5 (severe …
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A Literature Review on the Effects of Smoking on Tertiary Dentin Formation
… region is comprised of two, highly mineralized tissue layers that surround and protect the vital pulp chamber. The crown is visible in the oral cavity and covered externally with enamel. The outer layer of the root is covered in cementum. Dentin is the hard tissue that makes up the bulk of the …
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Bone, antler, tooth and horn technology and utilisation in prehistoric Scotland
… with the technology and utilisation of skeletal hard tissue in prehistoric Scotland. The natural properties of skeletal tissues were considered, their reaction to particular methods of manufacture and utilisation were studied and a detailed examination made of material from a number of …
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Novel hydrogel copolymers and semi-interpenetraing polymer networks
… in the biomedical field, specifically for use in hard tissue replacements, rigid gas permeable contact lenses and dental materials. Work on simply two or three component systems in both low water containing lPN's supplemented by the study of hydrogels (water swollen hydrophilic polymers) can …
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