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An i̲n̲ v̲i̲t̲r̲o̲ evaluation of bacterial penetration at the margins of a commercial occlusal sealant a thesis submitted in partial fulfillment ... pedodontics /Pink, Thomas C. January 1972 (has links)
Thesis (M.S.)--University of Michigan, 1972.
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An i̲n̲ v̲i̲v̲o̲ evaluation of an occlusal sealant as a bacterial barrier system a thesis submitted in partial fulfillment ... pedodontics /Mednick, George A. January 1973 (has links)
Thesis (M.S.)--University of Michigan, 1973.
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Aspects of resin adhesion to the enamel surface of occlusal pits and fissures /Burrow, Michael F. January 1986 (has links) (PDF)
Thesis (M.D.S.)--University of Adelaide, Dept. of Dentistry, 1987. / Bibliography: p. 110.
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A study to determine the outcome of sealants placed by dental hygiene students in a school-based sealant programTakahashi, Masami. Branson, Bonnie, January 2008 (has links)
Thesis (M.S.)--School of Dentistry. University of Missouri--Kansas City, 2008. / "A thesis in dental hygiene education." Advisor: Bonnie Branson. Typescript. Vita. Title from "catalog record" of the print edition Description based on contents viewed Aug. 07, 2008. Includes bibliographical references (leaves 53-58). Online version of the print edition.
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A comparison of hardness and abrasion resistance of two sealant materials after polymerization from different distances by different light sourcesRitchie, Craig D. January 2008 (has links)
Indiana University-Purdue University Indianapolis (IUPUI) / BACKGROUND
The efficacy of sealants to aid in the prevention of pit and fissure caries is well
documented. In order for the sealants to be effective, they must be placed properly and
retained for as long as possible. Clinicians must be aware that the proper placement of
sealants is technique-sensitive and must be well controlled in order to achieve the best
results. This study aims to determine if certain variables have an effect on curing of the
sealant material to a degree that would compromise its integrity, strength, and longevity.
METHODS AND MATERIALS
Two commonly used sealant materials Ultraseal XT (Ultradent Products Inc.,
South Jordan, UT) and Delton (Dentsply International, Woodbridge, Ontario, Canada)
were chosen and tested for microhardness and abrasion resistance after they were
polymerized. This study did not focus on the materials themselves, but rather the
technique by which they were polymerized and what effect this had on the materials.
Three separate light sources, a traditional halogen light (QHL 75, Dentsply
International, Woodbridge, Ontario, Canada), and two newer LED lights (Ultralume
LED, Ultradent Products Inc., South Jordan, UT; and 3M Freelight LED, 3M Corp,
St Paul, MN) were used in this study. The materials were then cured with each light at
each of three different distances: contact (0.5 mm), 2 mm, and 10 mm. The effects of
light source variation and distance from the material at the time of polymerization was
then evaluated for any significance to sealant placement technique.
Specimens were tested for each variable combination of sealant material, light
source, and distance between the two while curing. Six samples were tested for each
variable grouping for abrasion resistance, and four separate san1ples were tested fron1 the
san1e grouping for Knoop hardness. The results were analyzed for significance to
determine if certain techniques are or could be beneficial or damaging to the quality of
care provided by today's practitioners.
RESULTS
It was found that materials and light sources varied in combination and with
different techniques (e.g., distance). In general, the top surface polymerized best when
cured at a distance of 2 mm to 10 mm, while the bottom surface polymerized best at
a distance of 0.5 mm. The halogen light consistently outperformed the two LED lights,
with the 3M LED consistently producing the worst results.
CONCLUSIONS
The halogen curing light used in this study outperformed the LED lights in almost
every category, despite the LED light manufacturer's claims of equality. For more
reliable polymerization, the halogen light should be used.
SIGNIFICANCE
The practitioner must be aware of the material that he/she is using and how the
chosen light source polymerizes that material. Manufacturers' claims and
recommendations cannot be trusted to accurately produce the best results with every
product on the market today, sometimes not even with the manufacturers' own products.
It is crucial for practitioners to be well versed and knowledgeable about the products that
they use, based on current research and not manufacturers' claims.
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In vitro evaluation of bacterial penetration against occlusal sealants a thesis submitted in partial fulfillment ... pedodontics /Pierce, Wayne D. January 1970 (has links)
Thesis (M.S.)--University of Michigan, 1970.
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Measuring fluoridated and non-fluoridated sealant fluoride concentrations and their effect on Streptococcus mutans an in vitro study /Bassham, Deborah A. January 1999 (has links)
Thesis (M.S.)--West Virginia University, 1999. / Title from document title page. Document formatted into pages; contains ix, 159 p. : ill. (some col.) Includes abstract. Includes bibliographical references (p. 79-85).
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Adhesive sealing of pits and fissures for caries preventionCueto, Eriberto Ivan. January 1965 (has links)
Thesis--University of Rochester, 1965.
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Nd:YAG laser irradiation and Bis-GMA sealed pits and fissures a comparative in vitro study : a thesis submitted in partial fulfillment ... for the degree of Master of Science (School of Dentistry) ... /Lawrence, Leslie May. January 1999 (has links)
Thesis (M.S.)--University of Michigan, 1999. / Includes bibliographical references.
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In vitro evaluation of bacterial penetration against occlusal sealants a thesis submitted in partial fulfillment ... pedodontics /Pierce, Wayne D. January 1970 (has links)
Thesis (M.S.)--University of Michigan, 1970.
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