Behaviour of dental Material in Oral Environment

A special issue of Dentistry Journal (ISSN 2304-6767). This special issue belongs to the section "Dental Materials".

Deadline for manuscript submissions: closed (30 November 2020) | Viewed by 2618

Special Issue Editor

Special Issue Information

Dear Colleagues,

Restorative dental material behavior in the oral cavity is often affected by numerous factors that can lead to early failure or dissatisfaction of the patient. Dental material behavior is influenced by the unique combination of an elaborate oral environment and functionally demanding occlusal loads, which make it one of the most challenging outcomes to evaluate. Continuous changes in the oral environment may have a negative impact on the performance of restorative dental materials, which is mainly related to biodegradation and deteriorate. Chemical degradation depends on an acidic diet or the softening effect of food-simulating liquids. The effects of chemical degradation usually lead to surface softening and roughening, which can decrease the long-term durability of the restorations.

Assoc. Prof. Neamat Hassan Abubakr
Guest Editor

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Published Papers (1 paper)

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Research

10 pages, 696 KiB  
Article
Potential Co-Factors of an Intraoral Contact Allergy—A Cross-Sectional Study
by Constanze Olms, Jana Schor and Maryam Yahiaoui-Doktor
Dent. J. 2020, 8(3), 83; https://doi.org/10.3390/dj8030083 - 03 Aug 2020
Cited by 5 | Viewed by 2164
Abstract
The aim of this cross-sectional study was to evaluate the frequency of dental allergens and potential co-factors, especially hypothyroidism, for patients with an intraoral contact allergy. From 2015 to 2016, patients with confirmed symptoms of an intraoral contact allergy (study group SG n [...] Read more.
The aim of this cross-sectional study was to evaluate the frequency of dental allergens and potential co-factors, especially hypothyroidism, for patients with an intraoral contact allergy. From 2015 to 2016, patients with confirmed symptoms of an intraoral contact allergy (study group SG n = 50) were recruited in the dental clinic of the University of Leipzig. The participants of the control group (CG n = 103) were patients without oral diseases or intraoral symptoms of a contact allergy. For the data collection, a new “Allergy questionnaire” was developed. Information on allergies and general diseases were collected. The statistical analysis was carried out with SPSS 23.0. Sensitizations/allergies to metals and composites were higher in SG compared to CG. Of all study participants (n = 148), 14.2% (n = 21) had a nickel allergy. In 18% (n = 8) of the SG a cobalt allergy based on all metal allergens could be seen. In addition, an association between a nickel and cobalt allergy was found. Hypothyroidism occurred significantly more frequently (p = 0.049) in SG than in CG. Sensitizations and allergies can occur to metals in dental alloys. Hypothyroidism increased the risk of having an allergy threefold. Full article
(This article belongs to the Special Issue Behaviour of dental Material in Oral Environment)
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