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Fear of injections and report of negative dentist behavior among Caucasian American and Taiwanese adults from dental school clinics (1996)

Moore, Rod ; Brødsgaard, Inger ; Mao, Tai-Kum ; [et al.]

Oxford, UK : Blackwell Publishing Ltd

Community dentistry and oral epidemiology 24 (1996), S. 0

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ISSN: 1600-0528

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Medicine

Notes: Abstract Fear of injections and reports of negative dentist behavior and associations with dental anxiety and avoidance of treatment were explored among 951 adults from denial school clinics in Iowa City, Iowa and Taipei. Taiwan. Use and fear of anesthetic injections and negative dentist behavior were assessed by written questionnaire to test associations with demographics, overall dental anxiety (Dental Anxiety Scale or “DAS”) and utilization behaviors. Frequency and logistic regression analyses showed that use of dental anesthetics for routine treatment was much greater overall among Caucasian Americans than Taiwanese, as was fear of injections. Taiwanese and Americans with high dental anxiety (DAS 12) had similar high fear of injections, but inspite of similar fears about dental drilling, high anxiety Taiwanese reported using much less local anesthesia for routine treatments than did high anxiety Americans. Report of condescending remarks to patients (“put downs”) by dentists was mainly an American phenomenon associated with high dental anxiety. Avoidance of appointment making was high for persons afraid of injections and for Americans reporting negative dentist behavior. Avoidance was highest in subjects with high dental anxiety. That predominant characteristics or etiologies of dental anxiety can differ by cultural differences in dental health care systems, dentist beliefs and/or expectations of patients within those systems was discussed in relation to the literature.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1111/j.1600-0528.1996.tb00862.x

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Multinuclear Magnetic Resonance Study of Zinc(II) and Cadmium(II) Complexing with Isothiocyanate (1998)

Fratiello, Anthony ; Kubo-Anderson, Vicki ; Lee, Deborah J. ; [et al.]

Springer

Journal of solution chemistry 27 (1998), S. 331-359

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ISSN: 1572-8927

Keywords: Hydrogen-1 ; carbon-13 ; nitrogen-15 ; cadmium-113 ; NMR ; infrared ; zinc(II) ; cadmium(II) ; isothiocyanate ; complexation

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Notes: Abstract A study of zinc(II) and cadmium(II) complexes with isothiocyanate ion has been completed, using a low-temperature, multinuclear magnetic resonance technique that permits the observation of separate resonance signals for bound and free ligand, and Cd(II) metal ion. The Zn2+–NCS− complexes were studied by 1H, 13C, and 15N NMR spectroscopy. In the 1H spectra, the intensity of the coordinated water signal, corresponding to a Zn(II) hydration number of six in the absence of NCS−, decreases dramatically as this anion is added, indicating the complexing process involves more than a simple 1:1 ligand replacement. The 13C and 15N NMR spectra reveal signals for four species, most reasonably assigned to a series of tetrahedrally coordinated Zn2+–NCS− complexes. In the Cd2+–NCS− solution spectra, the 13C and 15N signals for four complexes also are observed and they are three line patterns, corresponding to a doublet from 113Cd J-coupling, and a dominant central peak, resulting from bonding to magnetically inactive Cd isotopes. The 113Cd spectra, showing signals for four complexes, correlate well in all respects with the 13C and 15N results, including coupling in specific cases. The spectral results for both metal ions reflect binding at the nitrogen atom of NCS−, with the complexes changing from an octahedral to a tetrahedral configuration when doing so. Confirming evidence for these conclusions also was provided by several infrared measurements of these metal–ion systems.