Biomedical subjects
Publications and source records attributed to L M Silverstone.
A clinical study to evaluate the analgesic efficacy of carprofen was conducted at the University of Colorado School of Dentistry. In a 6-month period, 248 patients underwent the surgical removal of wisdom teeth for analysis of postoperative pain relief.
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The purpose of this study was to evaluate the effectiveness of high frequency neural modulation as a substitute for traditional local anesthesia in various dental procedures. This double-blinded study was done to evaluate patient comfort and degree of satisfaction as well as manageability of pain control by the operator during the dental procedures. Procedures included restorations, tooth extractions, root planing, pulp extirpation, and temporomandibular joint therapy. In the experimental group, favorable responses ranged from 0.0% to 92.8%, depending on the procedures. An overall favorable rating of 71.8% was given by the experimental group, and an overall favorable response of 8.5% was given by the placebo group.
This study was a comparison of the sedative and amnestic properties of midazolam and diazepam when administered for relief of patient discomfort during dental surgery. It was a double-blind placebo-controlled group study, which entailed the analysis of 60 patients randomly assigned to the three groups: midazolam, diazepam, and placebo. There were 20 patients in each group. Midazolam patients showed superior performance in the parameters of sedation and amnesia when compared to patients who were administered diazepam. Both groups showed better results than the placebo group, which had the best results with the Digit Symbol Substitution Test and the Trieger Test.
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Using scanning electron microscopic techniques, we compared the surface topography and internal surface morphology of acid-etched caries-like lesions of enamel with those of sound enamel and caries-like lesions of enamel. The results indicated that acid-etching of caries-like lesions of enamel yielded etching patterns similar to those previously described for sound enamel. The internal morphology of the acid-etched lesion indicated that porosities were created which may allow access to the subsurface demineralized area of the lesion and could prove beneficial in facilitating remineralization.
The purpose of this in vitro study was to determine the effects of differing salivary contamination periods on the surface topography of etched enamel surfaces using SEM techniques. The results indicated that salivary contamination of etched enamel for 1 second or longer resulted in the formation of surface coatings that could not be removed by a water wash. It was concluded that should salivary contamination of an etched enamel surface occur, it would be necessary to repeat the etching procedure to ensure adequate bonding of a resin material.
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Types of etching patterns and histological appearances were examined in acid-etched, NaF-treated caries-like lesions of enamel. Etching patterns similar to those for etched-sound enamel were found. Remineralization was limited to the surface zone and superficial portion of the body of the lesion following acid-etching of NaF-treated caries-like lesions.
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