Showing papers by "Allyson Nogueira Moreira published in 2021"
TL;DR: A cross-sectional population-based study with one-stage random sample of adults living in a Brazilian municipally was conducted between 2018 and 2019 to assess the association between dentin hypersensitivity (DH) and physical and psychosocial oral health impact as mentioned in this paper.
8 citations
TL;DR: The influence of annealing temperatures, 37°C and 600°C, on the surface morphology and chemical composition was investigated using SEM, AFM, DRIFT and XPS techniques as discussed by the authors.
Abstract: Bioglass films were prepared on Ti disks used for dental implants using very simple sol-gel synthesis and dip-coating process. The influence of annealing temperatures, 37 °C and 600 °C, on the surface morphology and chemical composition was investigated using SEM, AFM, DRIFT and XPS techniques. Biocompatible calcium phosphate phases were successfully formed when the disks were kept in contact with simulated biological fluid at three different immersion times: 7, 24 and 160 h. For the films annealed at 37 °C calcium phosphate was formed which was confirmed through the analysis of the intensity ratios of P-O, Ti-O-Ti and Si-O absorption bands in the DRIFT spectra. Ca/P and O/Ca surface atomic ratios obtained by XPS data indicated the formation of dibasic calcium phosphate dehydrate and dibasic calcium phosphate, revealing a coated material at low temperatures, 37 °C, promising for medical applications.
4 citations
TL;DR: Dental caries may be a relevant issue in pre and post-liver transplant individuals and oral health counseling should be included in the care of pre and/or post- livers transplant individuals.
Abstract: OBJECTIVE The aim of this systematic review and meta-analysis was to evaluate the experience of dental caries in individuals pre- or postliver transplant. MATERIALS AND METHODS Searches in PubMed, Scopus, Web of Science, Ovid, and Lilacs from databases' inception date up to April 2020 were undertaken. Gray literature and manual searches were also conducted. Observational studies were eligible. The retrieved references were evaluated by two independent reviewers. Meta-analysis and risk of bias assessment using the University of Adelaide tool were conducted. The strength of the evidence was assessed with GRADE. RESULTS The search retrieved 1990 references. Twenty-four cross-sectional studies were included. One subgroup analysis demonstrated no significant difference in the number of teeth with dental caries between pre-liver transplant and healthy individuals (mean difference = 1.65, confidence interval = -0.87 to 4.17). The prevalence of dental caries among pre-liver transplant individuals was 73.82% and in the post-transplant individuals was 72.83%. In the included studies, the main concern regarding risk of bias was the absence of control for confounding variables. The strength of the evidence was very low. CONCLUSIONS Dental caries may be a relevant issue in pre- and postliver transplant individuals. Oral health counseling should be included in the care of pre- and/or postliver transplant individuals.
2 citations
TL;DR: In this article, a systematic review of the literature for observational studies evaluating periodontal outcomes in pre- and post-liver transplant (LT) individuals compared to a control group was conducted.
Abstract: Aim To systematically review the literature for observational studies evaluating periodontal outcomes in pre- and post-liver transplant (LT) individuals compared to a control group. Methods Specific strategies were designed to search five databases and the grey literature. Hand-searches were also performed. The following periodontal outcomes were analyzed in pre-LT, post-LT and control groups: plaque index (PI), gingival index (GI), gingival growth (GO), alveolar bone loss (ABL) probing depth (PD) and clinical attachment level (CAL). Meta-analyses and subgroup analyses were conducted. Results Among the 257 studies retrieved, 11 studies were included. Four studies were incorporated into the meta-analysis and showed that PI (mean difference=0.15, 95%CI: 0.12-0.18) and GI (mean difference=0.31, 95%CI: 0.06-0.56) were significantly higher in post-LT individuals compared to the control group. There was no significant mean difference of PD (mean difference=0.49, 95%CI: -0.26-1.25) but CAL (mean differ- ence=1.47, 95%CI: 0.19-2.75) were significantly higher in pre-LT individuals compared to the control group. Conclusion The higher means of PI and GI in post-LT and CAL in pre-LT compared to healthy individuals suggest a relationship between the periodontal condition and the transplantation status.
TL;DR: In this article, the moment of post cutting has no effect on the bond strength of fiber posts fixed with self-adhesive resin cement to the root canal, while the root third factor showed a significant effect (p = 0.81).
Abstract: Background The fiber posts require a cut in the coronal portion to adjust it to the available clinical space. The cutting of posts cemented may generate tension via bur vibrations of drill on the bonding interface, with the possibility of decreasing the bond strength. Thus, this study aimed to evaluate if the moment of cutting the fiber posts has an effect on its bond strength when fixed with self-adhesive resin cement. Material and methods Thirty-six bovine teeth were randomly divided into three groups after endodontic treatment and post space preparation (n = 12): IAC- the fiber posts were cutting immediately after cementation; ACR - the fiber posts were cutting after coronal reconstruction with resin; Control - the fiber posts were not cut. The fiber posts were cemented with self-adhesive cement (RelyX U200 - 3M ESPE). After 24 h, the teeth were sectioned perpendicularly and the push-out test was performed in a universal testing machine at a speed of 0.5 mm/min, until failure. Data were analyzed using two-way ANOVA and Tukey's post-hoc test. Results The effect of moment of fiber posts cutting (p = 0.44) and the interaction between the factors moment of post cutting and third root (p = 0.81) had no significant. The root third factor showed a significant effect (p = 0.01). The bond strength in the apical third was significantly lower than in the middle (p = 0.00) and coronal (p = 0.01) thirds. Conclusions The moment of post cutting has no effect on the bond strength of fiber posts fixed with self-adhesive cement to the root canal. Key words:Fiber post, self-adhesive resin cement, push-out bond strength, operative dentistry.