Search Results 1-20 of 1484

  • Resorption analysis of deproteinized cancellous bovine bone

    NARUKAWA Masayuki , SUZUKI Osamu , MAYAHARA Mitsuori , IMAMURA Eisaku , TAKAGI Yoshitoki , FUNAE Takashi , MAKINO Yuusuke , OHKI Retsu , NAKAMURA Masanori

    … <p>Commercially available deproteinized cancellous bovine bone (DPBB) has been indicated as non-absorbable bone filling materials. … We analyzed the chemical composition of DPBB and compared the tissue reactions around two materials after implanting into mouse bone marrow. … Micro-CT analysis indicated the massive bone formation on both materials at 2 weeks, then gradually resorbed. …

    Dental Materials Journal, 2020

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  • Computer-guided Implant Surgery for Removal of Longstanding Deep Alveolar Bone Implant  [in Japanese]

    KUSAMA Jun , MATSUDA Satoru , OZAWA Masumi , SAITO Hirotaka , HASEGAWA Youko , SHIMADA Jun

    <p>近年,インプラントによる欠損補綴は,予知性の高い欠損補綴として広く普及し,快適な口腔内環境を維持できる症例が増加してきている.その一方で経過不良のため抜去を余儀なくされる症例も増加してきている.</p><p>今回われわれは,埋入位置不良により除去が必要となったインプラント体を約5年6カ月間放置し,インプラント体が歯槽骨に完全に覆われた症例に対し,コンピュー …

    Journal of Japanese Society of Oral Implantology 33(1), 52-58, 2020

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  • Sustained Release of Catechin from Gelatin and Its Effect on Bone Formation in Critical Sized Defects in Rat Calvaria

    Honda Yoshitomo , Hashimoto Yoshiya , Matsumoto Naoyuki , Baba Shunsuke , Tanaka Tomonari , Umeda Makoto , Huang Anqi , Zhao Jianxin , Han Xiaoyu , Kurushima Yuji , Gong Yanan , Kanzaki Hiroyuki , Katsumata Yuta , Yamada Yoichi

    … <p>The potential of plant-derived polyphenols in bone tissue engineering has not been fully realized owing to difficulties in maintaining their stability in affected parts. … Catechins, such as epigallocatechin gallate (EGCG), are not fully utilized in bone regenerative medicine. …

    Journal of Hard Tissue Biology 29(2), 77-84, 2020

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  • Bone Marrow Mesenchymal Stem Cells Transplantation on Acute Spinal Cord Injury

    Song Hua , Suo Shiqi , Ning Chao , Zhang Yang , Mu Weidong , Chen Song

    … <p>To investigate the clinical efficacy of autologous bone marrow mesenchymal stem cells transplantation in patients with acute spinal cord injury. … A total of 36 patients with acute spinal cord injury were randomly divided into control group (n=18, treated with decompression + internal fixation + conventional medical treatments) and experimental group (n=18, control group's treatment + autologous bone marrow mesenchymal stem cells injection in the subarachnoid space). …

    Journal of Hard Tissue Biology 29(2), 91-98, 2020

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  • Role of FGF23 c.35C>A in Bone Remodeling during Orthodontic Tooth Movement

    Ma Xiaoyun , Zhu Mengjiao , Mi Xiaohui , Chen Fengshan

    … <p>Fibroblast growth factor 23 (FGF23), which belongs to FGF family, regulates the serum phosphate concentration and plays an essential role in bone development. … The aim of this article was to determine the effect of FGF23 c.35C>A mutation in alveolar bone remodeling during orthodontic tooth movement (OTM). …

    Journal of Hard Tissue Biology 29(2), 55-62, 2020

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  • Bone Regeneration by Low-dose Recombinant Human Bone Morphogenetic Protein-2 Carried on Octacalcium Phosphate Collagen Composite

    Bien Nguyen Dien , Miura Kei-ichiro , Sumita Yoshinori , Nakatani Yuya , Shido Rena , Kajii Fumihiko , Kamakura Shinji , Asahina Izumi

    … <p>Bone morphogenetic protein-2 (BMP-2) has diverse functions and is especially important in bone and cartilage development. … Recombinant human BMP-2 (rhBMP-2) is an osteoinductive growth factor that has been clinically applied as a bone graft substitute. …

    Journal of Hard Tissue Biology 29(2), 123-130, 2020

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  • Ability to categorize end-feel joint movement according to years of clinical experience: an experiment with an end-feel simulator

    Kawamura Hiroyuki , Tasaka Shimon , Ikeda Atsutoshi , Harada Takashi , Higashimoto Yuji , Fukuda Kanji

    … The cutoff values for years of clinical experience to improve the ability for identifying bone-to-bone, muscular, and tissue approximations were 15, 6, and 15, respectively. …

    Journal of Physical Therapy Science 32(4), 297-302, 2020

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  • The Effect of Strontium on Osteoblastogenesis and Osteoclastogenesis in Dental Stem Cells-induced Epidermal Growth Factor at Molecular Level: <i>In Vitro</i> Study

    Enezei Hamid Hammad , Qabbani Ali Al , Ahmad Azlina , Khamis Mohd Fadhli , Hassani Abdelkader , Hamad Hamad Ali

    … <p>For a reconstructive surgeon in oral and maxillofacial surgery, repair of massive bone defects in craniofacial region and mandible caused by different types of trauma, extensive bone destruction by cancer or metabolic diseases is amongst one of the most difficult tasks to handle. … Significant enhanced osteoblast markers responsible for bone healing were observed in the DSCs group that were treated with Sr/ EGF as compared with the other studied group. …

    Journal of Hard Tissue Biology 29(1), 1-8, 2020

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  • Discovery of Ti-Binding Abilities of Phosphorylated-Chitin and -Collagen

    Kuboki Yoshinori , Tokura Seiichi , Yagami Kimitoshi , Furusawa Toshitake , Morimoto Kouichi , Song Qin , Iku Souhei (Xiaobing) , Kurasaki Masaaki

    … <p>Previously we have discovered that titanium (Ti) binds with bone phosphoproteins SIBLING protein family, by using a Ti beads chromatography. … Furthermore, we showed that the isolated bone phosphoproteins remarkably enhanced bone formation when we coated the Ti device with them and implanted into rat calvaria. …

    Journal of Hard Tissue Biology 29(1), 45-48, 2020

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  • The Impact of Frizzled-9 on Dental Implant Osseointegration in Hyperlipidemic Rats

    Ren Huiping , Wang Zhifeng , Xu Jinzhao , Chen Jingchunyu , Lan Jing

    … <p>Hyperlipidemia inhibits bone formation, which has an adverse impact on the success of dental implants. … Models of high-fat medium-stimulated rat bone marrow stromal stem cells (BMSCs) were established. … Thereafter, 1 mm of bone around each implant was obtained. … Less bone formation was observed in hyperlipidemic rats compared to the normal. …

    Journal of Hard Tissue Biology 29(1), 37-44, 2020

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  • Regeneration of esophagus using a scaffold-free biomimetic structure created with bio-three-dimensional printing

    Takeoka Yosuke , Matsumoto Keitaro , Taniguchi Daisuke , Tsuchiya Tomoshi , Machino Ryusuke , Moriyama Masaaki , Oyama Shosaburo , Tetsuo Tomoyuki , Taura Yasuaki , Takagi Katsunori , Yoshida Takuya , Elgalad Abdelmotagaly , Matsuo Naoto , Kunizaki Masaki , Tobinaga Shuichi , Nonaka Takashi , Hidaka Shigekazu , Yamasaki Naoya , Nakayama Koichi , Nagayasu Takeshi

    … Various strategies have been attempted to replace esophageal defects with natural or artificial substitutes using tissue engineering. … Normal human dermal fibroblasts, human esophageal smooth muscle cells, human bone marrow-derived mesenchymal stem cells, and human umbilical vein endothelial cells were purchased and used as a cell source. …

    PLOS ONE 14(3), e0211339, 2019-03-08

    IR 

  • Effects of fiber orientation in periodontal ligament on tooth support function: a computational study  [in Japanese]

    OTANI Tomohiro , KOGA Taiki , NOZAKI Kazunori , KOBAYASHI Yo , TANAKA Masao

    … <p>Periodontal ligament (PDL) is a soft biological tissue connecting between tooth and alveolar bone. …

    The Proceedings of The Computational Mechanics Conference 2019.32(0), 192, 2019

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  • Comparison of acceleration on the skin and acceleration on the Ilizarov external fixator during gait  [in Japanese]

    IGARASHI Yu , TSURUMIYA Kiyoshi , KOMATSU Akira , WATANABE Motoyuki , SUDA Tomohiro , NOZAKA Koji , IWAMI Takehiro , SHIMADA Yoichi

    … The soft tissue artifact is mostly common phenomena with several motion analysis techniques, such as the optical motion capture and sensor-based measurement system, and it deteriorates the measurement accuracy due to muscle contraction and elasticity of the soft tissue. … Fixator's acceleration represents actual bone motion, hence comparing two acceleration is enable to evaluate the STA quantitatively. …

    The Proceedings of Mechanical Engineering Congress, Japan 2019(0), J02517P, 2019

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  • Observation of Calcification Process in Immature Chick Bone under Mechanical Load: Toward the Establishment of Artificial Morphogenesis Utilizing Controlled Mechanical Adaption  [in Japanese]

    CHINONE Yoshiaki , MAEDA Eijiro , MATSUMOTO Takeo

    … <p>Bone calcification occurs in response to mechanical loading, and is an essential factor in bone maturation. … However, how mechanical loading applied to the bone tissue stimulates calcification is largely unknown. … In this study, we observed calcification process of immature bone tissue cultured under static stretch to examine its relationship to collagen fiber alignment and amount. …

    The Proceedings of Mechanical Engineering Congress, Japan 2019(0), J02307P, 2019

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  • Stimulation of Osteoconductivity by Ultraviolet Irradiation on Titanium Surfaces in Senile Osteoporotic Model Mice in <i>in vivo</i> and <i>in vitro</i>

    FURUTA Hiroki , TAKEUCHI Kazuo , YAMAGUCHI Daisuke , MIYAMAE Shin , KATO Daisuke , HATTORI Masami

    … The morphology of new bone around the titanium plate was evaluated. … Bone contact ratio, cell quantity, ALP activity and calcification ware significantly higher for the UV-photofunctionalized titanium compared with the aged-surface controls. …

    Journal of Oral Tissue Engineering 17(1), 24-34, 2019

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  • Preparation and Biodegradation Properties of DNA/poly-lysine Complexes by FE-SEM

    MORI-YAMAMOTO Nana , KAWAGUCHI Minoru , OHGI Kimiko , MATSUMOTO Ayako , SAKAGAMI Ryuji

    … <p>We prepared DNA/cationic polylysine complexes, and examined their biodegradation behavior and histopathological responses for use as a scaffold material for bone regeneration. … There were mild tissue responses after a disk comprising either complex was implanted into the subcutaneous tissue of rats. …

    Journal of Oral Tissue Engineering 17(1), 1-8, 2019

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  • Effects of Direct Pulp Capping on Hard Tissue Formation by Using Alginate Gel Containing:Bone Morphogenetic Protein-2

    YOKOYAMA Akihito , YAMAJI Kozo , OHARA Naoko , MATSUZAKI Kumiko , SHIMADA Yasushi , YOSHIYAMA Masahiro

    … <p>The purpose of this study was to evaluate the effects of direct pulp capping on hard tissue formation by using alginate gel (AG) containing bone morphogenetic protein-2 (BMP2). … At four weeks, they had disappeared, and the hard tissue formation was observed. …

    Journal of Oral Tissue Engineering 17(2), 53-58, 2019

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  • Stiffness, Strength and Bioactivity: Optimising Composite Biomaterials

    FRSE K. Elizabeth Tanner OBE FREng

    … Modulus matched materials will be considered both those that can remain within the body for many years and those that degrade in the body once their function has been taken over by the new tissue formed. …

    The Abstracts of ATEM : International Conference on Advanced Technology in Experimental Mechanics : Asian Conference on Experimental Mechanics 2019(0), 1009E1130, 2019

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  • Mineral-to-Tissue Mechanical Relationship in Biomimetically Remineralized Bovine Bone Tissue

    Zhao Lei , He Xingming , Todoh Masahiro

    The Abstracts of ATEM : International Conference on Advanced Technology in Experimental Mechanics : Asian Conference on Experimental Mechanics 2019(0), 1008D1345, 2019

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  • Mechanical Behavior of Bovine Cortical Bone Tissue under Tension, Compression and Shear Loading

    PRAMUDITA Jonas A. , SHIMIZU Ippei , TANABE Yuji

    … <p>Bone fracture injury frequently occurs in various accidents. … During an accident, bone may be subjected to a single load or combination of multiple loads, e.g. tension, compression and shear. … In this study, we conducted tension, compression and shear tests on bone tissue specimens in order to obtain the mechanical and failure characteristics of cortical bone tissue. …

    Advanced Experimental Mechanics 4(0), 141-146, 2019

    J-STAGE 

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