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Biomedical subjects

H S Cardash

Publications and source records attributed to H S Cardash.

At least 55 records · Page 3Linked to original sources

The continuous brushing acid-etch technique.

The continuous brushing of an acid-etching agent onto the enamel surface of an extracted tooth resulted in a more debris-free surface. SEM photomicrographs showed dissolution of some of the apatite crystals and a reduction in size of the remaining crystals, thus increasing the potential space between them for retention of unfilled composite.

Acid Etching, Dental↗

Incidence of impression material found in the gingival sulcus after impression procedure for fixed partial dentures.

After impression-making procedures, remnants of Xantopren impression material were found in the gingival crevices in eight of 125 patients. In three of the eight patients, remnants were only discovered subsequent to a systematic exploration with a fine curette. In all eight of the patients in which material was found in the crevice, the location corresponded with defects in the impression itself. Although eight of 125 is not a statistically significant number, it would be nonetheless prudent to consider a routine curettage of abutment sulci after impression-making. This procedure is even more strongly recommended should a defect be detected in the crevicular region of the impression. Impressions should remain in the mouth until full setting and maximum tear strength is reached. Strict adherence to the manufacturers' instructions is necessary.

Dental Abutments↗