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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
41

Outcomes of secondary alveolar bone grafts in cleft patients

Machaka, Matlaba January 2018 (has links)
A research report submitted to the Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, in partial fulfilment of the requirements for the degree of Master of Dentistry in the branch of Maxillofacial and Oral Surgery 31 May 2018. / Aim The aim of this retrospective study was to determine the outcomes of secondary alveolar bone grafts (SABG) in cleft patients treated at the Wits Dental Hospital at the Charlotte Maxeke Johannesburg Academic Hospital. Objectives To record the demographic data of patients who had secondary alveolar bone grafts, and to assess the outcomes of SABG by evaluating clinical variables and the quantity of bone post SABG. Methods Records of 19 patients with a total of 23 clefts were examined to evaluate the amount of bone at the cleft site following secondary alveolar bone graft. Socio-demographic information was collected as well as the clinical variables of the type of graft used, canine eruption, keratinised tissue around teeth close to the cleft, and closure or persistence of any oronasal fistula. The amount of bone at the graft site was measured on CBCT images using the Chelsea scale. Comparisons of Chelsea scale scores and CBCT findings were carried out. SPSS ® 24 was used to analyse the data. All statistical tests were conducted at 5% significance level. Results Most (52%) patients were male, with 57% having left unilateral cleft. The majority of them received autogenous bone grafts from the chin. Most (65.2%) of the patients showed good clinical outcomes, whilst showing evidence of bone resorption in and around the graft site on CBCT images. Fifteen of the patients were considered to have partial alveolar graft resorption. Conclusion In the majority of patients, 3D CBCT images revealed bone resorption in areas that 2D images gave an impression of presence of bone. However, the majority of patients indicated good clinical outcomes despite the poor radiological findings. / LG2018
42

Endoprosthetic fixation and the implant bone-cement interface

Raab, Simon. January 1980 (has links)
No description available.
43

Growth, yield, and anatomical structure of the union resulting from budding apple varieties on intermediate stocks /

Choe, Hyung Tae January 1963 (has links)
No description available.
44

A study of hemopoietic tissue and skin allograft rejection in the newt, Notopthalmus viridescens /

Hightower, James Anderson January 1970 (has links)
No description available.
45

Evaluation of Two Techniques of Cancellous Bone Grafting of Experimental Subchondral Bone Cysts in the Medial Femoral Condyles of Horses

Farnsworth, Kelly Dee Jr. 14 July 1998 (has links)
Cylindric (10 mm diameter X 15 mm deep) osteochondral defects were created in the medial femoral condyles of 5 horses to mimic clinical cases of subchondral bone cysts after debridement. The defects were created with either a standard square ended drill bit or a compaction drill bit. The compaction drill bit compresses bone laterally and distally creating a dense wall and floor. Twelve-mm sternal cancellous cylinders were compressed to 9.25 mm and inserted into the femoral defects where they were presumed to expand and tighten the fit. The end result was sternal cancellous bone that exactly fit the femoral defects. Fluorochrome bone labels were used to confirm the origin of bone present in the defects at necropsy, which was performed after 6 months. Successful graft incorporation occurred in 3 of the compacted and 2 of the noncompacted defects. The surfaces of the successful cancellous bone grafts contained predominately fibrocartilage. The unsuccessful noncompacted defects expanded laterally and deeply into the parent bone epiphysis while the unsuccessful compacted defects remained confined to the originally created size. / Master of Science
46

Top-grafting Jonathan apple trees

Meyer, Arthur. January 1930 (has links)
Call number: LD2668 .T4 1930 M41
47

The morbidity of anterior iliac bone harvesting for maxillofacial grafting procedures

許顯名, Hui, Hin-ming. January 1998 (has links)
published_or_final_version / Dentistry / Master / Master of Dental Surgery
48

EFFECT OF IBA AND DMSO ON IMPROVING BENCHGRAFT RESPONSE OF VITIS CHAMPINI 'DOG-RIDGE' ROOTSTOCK.

Cherif, Hayett. January 1985 (has links)
No description available.
49

Hippocampal suspension grafts in the Kainic acid lesioned hippocampus of the rat

Cornish, S. January 1987 (has links)
No description available.
50

Microscopical and biochemical studies of mineralised matrix production by bone-derived cells

Gundle, Roger January 1995 (has links)
No description available.

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