Publications by authors named "Karen K Tiwana"

In spring 2011, a study was initiated to investigate the nature and extent of gender issues in clinical dental education at the University of North Carolina at Chapel Hill School of Dentistry. Surveys were sent to 236 dental students in the second, third, and fourth years; eighty-six (36.4 percent) responded.

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Statement Of The Problem:   The long-term patient satisfaction and safety of nightguard vital bleaching (NGVB) requires further evaluation.

Purpose Of The Study:   The purpose of this study was to evaluate patients' satisfaction and identify side effects of NGVB up to 17 years post-treatment.

Materials And Methods:   Thirty-one participants who had completed previous NGVB studies using 10% carbamide peroxide were contacted at least 10 years post-treatment (range 10-17 years, average 12.

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Objective: The objective of this nightguard vital bleaching (NGVB) study was to compare tooth sensitivity (TS), gingival irritation (GIr), and other side effects, as well as patients' perceptions during tooth bleaching, from treatment with experimental 5 and 7% hydrogen peroxide (HP) bleaching solutions with those of a commercially available 10% carbamide peroxide (CP) product.

Materials And Methods: Sixty-one participants completed the study wearing a scalloped maxillary treatment tray without reservoirs with the different concentrations of bleaching gels for 30 minutes twice a day for 7 days. Parameters evaluated were changes in gingival index (GI), nonmarginal gingival index, nongingival oral mucosal index, and tooth vitality.

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Background: This article is an institutional retrospective review of incidents involving aspiration and ingestion of dental foreign objects at a large multidisciplinary dental educational facility. It was undertaken to determine which dental procedures were more likely to involve aspiration or ingestion, as well as to evaluate the outcome of these adverse incidents.

Methods: The inclusion criteria involved all patients who were documented to have experienced loss of dental instruments or material behind the posterior pharynx during a 10-year consecutive period.

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