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Laboratory and Basic Science Research Commons™
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Articles 1 - 7 of 7
Full-Text Articles in Laboratory and Basic Science Research
An Animal Model For Development Of Pulpal Inflammation, John W. Masters
An Animal Model For Development Of Pulpal Inflammation, John W. Masters
Loma Linda University Electronic Theses, Dissertations & Projects
Several animal models have been proposed to develop pulpal inflammation. Procedures recommended in these models have many variables and have not produced consistent results. The purpose of this study was to create pulpal inflammation using the Nd:YAG laser.
Forty-five cuspids of 12-18 month old beagle dogs were lased at 5, 7.5, and 10 watts (W) for 20 seconds with a 600 micron contact probe. Five cuspids were not lased but were used as controls. Following laser application, the teeth were extracted at intervals of 3, 7, and 30 days. They were then fixed in 10% formalin, decalcified, sectioned, and stained …
Bone Morphogenetic Proteins And Periodontal Repair, Michael B. Lee
Bone Morphogenetic Proteins And Periodontal Repair, Michael B. Lee
Loma Linda University Electronic Theses, Dissertations & Projects
For over thirty years now, research has been carried out to isolate and purify bone morphogenetic protein (BMP), a substance which has been shown to induce heterotopic bone formation in various animal species. Recent advances in the fields of developmental biology, molecular biology and genetics, have shown that the BMPs not only are responsible for postfetal bone induction (including normal bone remodeling, healing and repair), but are also critical during embryogenesis - not only in regards to the skeletal system, but quite possibly in the morphogenesis and pattern formation of other tissues and organs as well.
Due to their bone …
The Effect Of Guidor™ And Hop-1 On Hard Tissue Healing : Following Periradicular Surgery In Cats, Hugh Maguire
The Effect Of Guidor™ And Hop-1 On Hard Tissue Healing : Following Periradicular Surgery In Cats, Hugh Maguire
Loma Linda University Electronic Theses, Dissertations & Projects
The purpose of this study was to evaluate the effects of the resorbable membrane Guidor™ and the osteogenic protein hOP-1 on hard tissue healing following periradicular surgery in cats.
Surgical endodontic therapy was performed on the maxillary canine teeth of twelve cats. After orthograde root canal therapy, flap reflection, osteotomy, resection of the root end, root end cavity preparation and the placement of a root end filling, eight of the surgical sites were treated with Guidor™ and eight with hOP-1. The remaining eight sites received no further treatment and served as controls.
The animals were sacrificed at twelve weeks following …
In Vitro Plaque Formation On Orthodontic Resin Sealants, Leland W. Pack
In Vitro Plaque Formation On Orthodontic Resin Sealants, Leland W. Pack
Loma Linda University Electronic Theses, Dissertations & Projects
The purpose of this study was to examine in vitro plaque formation on sealant coated enamel. The plaque growth on different types of sealants placed on enamel was compared to each other and to an unsealed enamel control. The antimicrobial properties of sealants were also studied.
Sealant coated bovine enamel disks were immersed in a S. mutans culture medium for four days. The amount of bacterial plaque formation was quantified by removing the deposit, suspending it in solution with subsequent serial dilution. Aliquots of the dilutions were then spread on blood agar plates and incubated for 48 hours. The number …
Preparative Separation Of Pyrrolizidine Alkaloids By High-Speed Counter-Current Chromatography, Roland A. Cooper, Rion J. Bowers, Carla J. Beckham, Ryan J. Huxtable
Preparative Separation Of Pyrrolizidine Alkaloids By High-Speed Counter-Current Chromatography, Roland A. Cooper, Rion J. Bowers, Carla J. Beckham, Ryan J. Huxtable
Roland A. Cooper
Field Parasitology Techniques For Use With Mammals, Scott Lyell Gardner
Field Parasitology Techniques For Use With Mammals, Scott Lyell Gardner
Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications
Obtaining parasites from mammals that are collected during surveys or bioinventories is time-consuming, and in the past such collections have rarely been made. Parasites and other symbionts are important components of the biology of the host, however, and must be sampled for a complete picture of its ecology and other aspects of its life history. For example, work on parasite diversity and biogeography of mammals in Bolivia (Gardner and Duszynski 1990; Gardner 1991: Gardner et al. 1991; Gardner and Campbell 1992a, 1992b) could not have been accomplished without proper collections of the parasite and symbiont fauna of the hosts.
Many …
Técnicas De Parasitología De Practicas De Campo Para El Uso Durante La Investigación De Mamíferos, Scott Lyell Gardner
Técnicas De Parasitología De Practicas De Campo Para El Uso Durante La Investigación De Mamíferos, Scott Lyell Gardner
Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications
First paragraph of the introduction:
La obtención de parásitos de mamíferos que son colectados durante las investigaciones o bio-inventarios toma mucho tiempo; y en el pasado, estas colectas ráramente se realizaban. De cualquier forma, los parásitos y otros simbiotas forman un componente importante de las características biologicas y ecologicas de los hospederos y deben ser muestreados. Por ejemplo, trabajos recientes en la diversidad parasitaria y la biogeografía en mamíferos de Bolivia por Gardner y Duszynski (1990), Gardner (1991), y Gardner y Campbell (1992 a,b) no hubiera popdido realizarse sin el trabajo de colección apropiado de la fauna parasitaria/simbiótica de los …