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    دورية أكاديمية

    المصدر: Brazilian Journal of Oral Sciences. January 2022 21

    مصطلحات موضوعية: Dental implants, Surgery, oral, Actinobacteria

    الوصف: Aim The aim of the present study was to evaluate the microbial contamination in internal and external walls of cone morse implant walls. Methods Eleven patients with edentulous mandibular posterior area were selected to received dental implants, divided into groups: submerged (S), non-submerged (NS), and immediately loaded (IL). Microbiological evaluations (microorganisms’ number, aerobic and anaerobic colony forming units (CFU) number and microorganisms’ qualification) were divided into internal and external collection of the implant walls, at different stages: T0 (surgical procedure), T2 (suture removal), T4 (reopening S group), T6 (suture removal S group), and T8 (abutment placement in S and NS). All data were submitted to statistical analyses, with confidence level of 0.05. Results There was difference in number of microorganisms observed over time within the same group (p < 0.05). A difference was observed in CFU when evaluated within the same group over time (p < 0.05), except for the IL group. In internal collection, a predominance of non-formation of microorganisms was observed at T0 in all groups, while formation of Gram-positive Diplococci and Gram-positive Bacilli was observed at T8 (p>0.05). In external collection, an increase in number of microorganisms was observed at T0. Conclusion There was no difference in microbial contamination among the evaluated groups. The microorganism’s colonization changed over time.

    وصف الملف: text/html

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    دورية أكاديمية
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    دورية أكاديمية

    المصدر: International Journal of Implant Dentistry, Vol 7, Iss 1, Pp 1-8 (2021)

    الوصف: Abstract Background The advancement of contemporary dentistry is related to the improvement of existing techniques, materials, and technology, consistently for improving people’s oral health, which can ultimately reflect better quality of life. This study aimed to evaluate the oral-health-related quality of life (OHRQoL) of patients with atrophic jaws, who reported for the placement of long transmaxillary implants and posterior prosthetic rehabilitation. Twelve patients (n = 12), of both sexes, with a mean age of 55.83 ± 2.78 years, who were unable to receive conventional implants immediately because of lack of bone, received two long transmaxillary implants in a horizontal position, anteroposteriorly, one on each side, from the canine pillar to the maxillary tuberosity. After 6 months, the conventional clinical sequence for fabricating a fixed prosthesis type protocol or removable prosthesis type overdenture (MK1® system) was performed, when required to recover the lip volume. The Oral Health Impact Profile questionnaire (OHIP-14) was applied preoperatively and 6 months after rehabilitation using a prosthesis on the implants. The results were statistically analyzed using a significance level of 0.05. Results An improvement in the perception of OHRQoL was observed between the pre- and postoperative periods in the OHIP-14 total score and the domains related to functional limitation, physical pain, psychological discomfort, psychological disability, social disability, and handicap (p < 0.05). Conclusion It may be concluded that transmaxillary implant rehabilitation improves the OHRQoL.

    وصف الملف: electronic resource

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    دورية أكاديمية

    المصدر: Annals of Animal Science; Apr2024, Vol. 24 Issue 2, p425-429, 5p

    مصطلحات جغرافية: POLAND

    مستخلص: Cattle breeding in Poland, including the maintenance of indigenous breeds, is exposed to the occurrence of many diseases of infectious and non-infectious etiologies. Bovine MHC (BoLA)-DRB3 is a highly polymorphic gene that plays an important role in the immune response to antigens. This pilot study aimed to analyze BoLA-DRB3 genetic diversity among Polish Red-and-White (PRW) and Polish Holstein-Friesian (PHF) cattle. DNA sequencing revealed haplotypes for 48 out of 106 PRW and 10 out of 26 PHF cows. Analysis indicated 42 alleles detected in the PRW breed and 16 in the PHF animals. Interestingly, within the PRW breed three alleles BOLA03100|BoLADRB3* 001:01|554, BOLA03113|BoLA-DRB3*009:02|270 and BOLA03302|BoLA-DRB3*049:01|236 were observed in 24 cows. Overall, the presented study demonstrated the genetic diversity of the BoLA-DRB3 gene in the indigenous Polish Red-and-White cattle breed for the first time. The acquired results broaden the knowledge of BoLA-DRB3 diversity in cattle, whose genetic variants promote resistance or susceptibility to viral or bacterial diseases. [ABSTRACT FROM AUTHOR]

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    دورية أكاديمية
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