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July 31, 2019 | News

Można zapobiec uszkodzeniu kości szczęk w zabiegach chirurgicznych u pacjentów chorych na raka

Dotychczas nie ma procedury klinicznej leczenia lub zatrzymania utraty tkanki kostnej szczęki – potencjalnie śmiertelnego działania niepożądanego, które może wystąpić po leczeniu bisfosfonianami. Naukowcy z Uniwersytetu Kalifornijskiego, Los Angeles (UCLA) i University of Southern California próbują rozwiązać ten problem.

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March 21, 2019

Prevalence of oral lesions among patients in the dental faculty of the University of Santiago de Compostela, Spain

The main objective of this study was to evaluate the prevalence of white, red and pigmented lesions of the oral cavity among patients attending the dental faculty of the University of Santiago de Compostela, Spain. We designed an epidemiological, cross-sectional, descriptive and observational study. White, red and pigmented lesions were evaluated randomly in a total of 100 patients. Data such as patient’s demographics, smoking habit, presence or absence of oral lesions (and their features) and whether the patient was aware of the presence of the lesion were collected. Descriptive statistics were calculated, and contingency tables were constructed using the chi-squared test. Analytical statistics were performed by comparing means in nonparametric analyses using the Mann–Whitney U test. The total prevalence of oral lesions was 22% (n = 100). The average age of the patients was 54.68 years (SD = 14.64). Most patients with oral lesions were women (60%) and the average size of the lesions was 1.83 cm. Most of the lesions were red (almost 60%) and asymptomatic (> 90%). There was a known causal link for almost all lesions, with a percentage of higher than 80%. Most patients (69.2%) were aware of the presence of the lesion when it was red (P = 0.016). The most frequent type of lesion in this study population was a red lesion, located on the lip, with a hypertrophic surface, asymptomatic and with a known causal nexus. Periodical check-ups are fundamental to be able to make an early diagnosis of any lesions, as no patient with a white lesion was aware of the risk of it being a premalignant or malignant lesion. Keywords Oral mucosa; lesion prevalence; Spanish population.

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March 21, 2019

Does the cleaning method after air abrasion with different particles affect the zirconia bond strength?

Yttria-stabilized tetragonal zirconia polycrystal (Y-TZP) is a ceramic material that has been widely used in clinical practice owing to its attractive proven mechanical properties and biocompatibility. Since zirconia is a chemically inert material, different surface treatments can be performed to increase its bonding to resin-based cements. Air abrasion with alumina or silica-coated alumina particles is one of the most common and simple procedures used to improve micromechanical interlocking between zirconia and resin-based cements. These particles are deposited on the surface, which differ chemically from one another, and participate in the chemical bond that occurs at the zirconia–resin cement interface.

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December 10, 2018 | News

Problemy psychiczne zwiększają ryzyko schorzeń stomatologicznych

Badanie opublikowane przez naukowców z University of Western Australia wykazało, że wielu lekarzy dentystów w Perth nie czuje się odpowiednio przeszkolonych i kompetentnych, aby wspierać pacjentów z zaburzeniami psychicznymi. Badanie zostało opublikowane w związku z obchodzonym niedawno Tygodniem Zdrowia Psychicznego, podczas którego przeprowadzono wywiady z 16 dentystami w Perth.

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DT Poland No. 2, 2019

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