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[Histological study on experimental tooth movement in alveolar bone defects implanted with decalcified bone powder]. 1996

M Uji
2nd Department of Orthodontics, Tokyo Medical and Dental University, Japan.

Recently, secondary bone grafting for the alveolar cleft of cleft lip and palate patients has carried out generally with the object of connecting the alveolar cleft, of leading the tooth eruption, of control the tooth axis. In this study, the experimental tooth movements to the area were tested and the histological changes were investigated with adult cats. The experimental defects of 2mm in diameter were made at the alveolar bone mesial to the both maxillary first molar. At the experimental side, DBP were stuffed into the defect. Only defects were made at the control side. The tooth were moved for 6 weeks. The restoration of the defect hadn't occurred at the control side after 14 weeks. While appositional bone growth and new bone formation surrounding the DBP were observed, and complete restoration had be already occurred at experimental side after only 8 weeks. In the group which tooth movement were started after 1 week, the existing alveolar bone were bent to mesial at both side. In the group were started after 8 weeks, the existing alveolar bone were bent to mesial at the control side, either. The DBP and new bone were resorbed at the same time at the experimental side.

UI MeSH Term Description Entries
D010012 Osteogenesis The process of bone formation. Histogenesis of bone including ossification. Bone Formation,Ossification, Physiologic,Endochondral Ossification,Ossification,Ossification, Physiological,Osteoclastogenesis,Physiologic Ossification,Endochondral Ossifications,Ossification, Endochondral,Ossifications,Ossifications, Endochondral,Osteoclastogeneses,Physiological Ossification
D011208 Powders Substances made up of an aggregation of small particles, as that obtained by grinding or trituration of a solid drug. In pharmacy it is a form in which substances are administered. (From Dorland, 28th ed) Powder
D002415 Cats The domestic cat, Felis catus, of the carnivore family FELIDAE, comprising over 30 different breeds. The domestic cat is descended primarily from the wild cat of Africa and extreme southwestern Asia. Though probably present in towns in Palestine as long ago as 7000 years, actual domestication occurred in Egypt about 4000 years ago. (From Walker's Mammals of the World, 6th ed, p801) Felis catus,Felis domesticus,Domestic Cats,Felis domestica,Felis sylvestris catus,Cat,Cat, Domestic,Cats, Domestic,Domestic Cat
D003648 Decalcification Technique Removal of minerals from bones during bone examination. Decalcification Technic,Decalcification Technics,Decalcification Techniques,Technic, Decalcification,Technics, Decalcification,Technique, Decalcification,Techniques, Decalcification
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D014087 Tooth Movement Techniques Orthodontic techniques used to correct the malposition of a tooth or teeth. Tooth Depression,Tooth Intrusion,Tooth Movement, Minor,Tooth Uprighting,Orthodontic Tooth Movement,Depression, Tooth,Depressions, Tooth,Intrusion, Tooth,Intrusions, Tooth,Minor Tooth Movement,Minor Tooth Movements,Movement Technique, Tooth,Movement Techniques, Tooth,Movement, Orthodontic Tooth,Movements, Orthodontic Tooth,Orthodontic Tooth Movements,Technique, Tooth Movement,Techniques, Tooth Movement,Tooth Depressions,Tooth Intrusions,Tooth Movement Technique,Tooth Movement, Orthodontic,Tooth Movements, Minor,Tooth Movements, Orthodontic,Tooth Uprightings,Uprighting, Tooth,Uprightings, Tooth
D016025 Bone Transplantation The grafting of bone from a donor site to a recipient site. Grafting, Bone,Transplantation, Bone,Bone Grafting
D016301 Alveolar Bone Loss Resorption or wasting of the tooth-supporting bone (ALVEOLAR PROCESS) in the MAXILLA or MANDIBLE. Alveolar Resorption,Bone Loss, Alveolar,Bone Loss, Periodontal,Periodontal Bone Loss,Periodontal Resorption,Alveolar Bone Atrophy,Alveolar Process Atrophy,Alveolar Bone Atrophies,Alveolar Bone Losses,Alveolar Process Atrophies,Alveolar Resorptions,Bone Atrophies, Alveolar,Bone Atrophy, Alveolar,Bone Losses, Periodontal,Periodontal Bone Losses,Periodontal Resorptions,Resorption, Alveolar,Resorption, Periodontal,Resorptions, Alveolar
D016723 Bone Remodeling The continuous turnover of BONE MATRIX and mineral that involves first an increase in BONE RESORPTION (osteoclastic activity) and later, reactive BONE FORMATION (osteoblastic activity). The process of bone remodeling takes place in the adult skeleton at discrete foci. The process ensures the mechanical integrity of the skeleton throughout life and plays an important role in calcium HOMEOSTASIS. An imbalance in the regulation of bone remodeling's two contrasting events, bone resorption and bone formation, results in many of the metabolic bone diseases, such as OSTEOPOROSIS. Bone Turnover,Bone Turnovers,Remodeling, Bone,Turnover, Bone,Turnovers, Bone

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