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Kim Obrien posted an update 10 months, 3 weeks ago
There was a correlation between the type of fracture and the degree of mineralization as well as the timepoint of varnish application.
Remineralization of demineralized enamel with fluoride varnishes permits the recovery of the bond strength obtained in healthy enamel. Of the two varnishes studied, PFV had the highest SBS and more uniform behavior, regardless of the application timepoint, degree of mineralization, and surface treatment of the enamel..
Remineralization of demineralized enamel with fluoride varnishes permits the recovery of the bond strength obtained in healthy enamel. Of the two varnishes studied, PFV had the highest SBS and more uniform behavior, regardless of the application timepoint, degree of mineralization, and surface treatment of the enamel..
To assess possible correlations between clinical outcomes and SEM marginal analysis in a prospective long-term clinical study using two adhesives in incisors and canines.
Thirty-five patients received class III and IV restorations with two different adhesives, either the one-step self-etch adhesive iBond Gluma inside (1-SE) or the two-step etch-and-rinse adhesive Gluma Comfort Bond (2-ER) combined with the fine particle hybrid composite Venus. OTX015 price The restorations were clinically evaluated (modified USPHS criteria) over 90 months. Based on resin replicas, a quantitative marginal SEM analysis was performed using the criteria “gap”, “perfect margin”, “overhang”, and “underfilled”. The results of the quantitative marginal analysis were statistically compared and related to clinical evaluations. The SEM data were analyzed statistically using the Kolmogorov-Smirnov test, Wilcoxon test, and mixed models test.
Of the 35 subjects at baseline, 16 (1-SE) and 17 (2-ER) were clinically re-examined after 90 months. 13 pdetected earlier, with both outcome parameters confirming each other over long observation periods.The importance of the interdental anatomy of a class-2 direct composite restoration is one of the most underestimated topics in direct posterior composite restorations. The proximal emergence profile of the restoration and the contact area should be designed to maximize arch continuity and to minimize food impaction. Other restorative criteria that must be fulfilled are marginal adaptation compatible with the dental and periodontal integrity, and geometry of the marginal ridge compatible with the mechanical integrity of the restoration under load. Shortcomings will result in masticatory discomfort, caries, periodontal problems and undesired movement of teeth. In vitro and in vivo studies showed that the use a contoured sectional metal matrix band with a separation clamp results in the tightest contact point. However, this matrix system also has shortcomings and does not give the expected result in all class-2 cavities. The variation in depth, width of the box, distance between the cervical cavity margin and the adjacent tooth requires customization of the interproximal space. In order to realize this, sectional matrix bands with several profiles of curvature, variation of wedges and separation clamps, and the use of teflon tape are required. In addition, dentists should follow a protocol allowing them to build a proximal composite surface that fulfills the required restorative criteria. Pre-wedging, space evaluation, interproximal clearance, correct selection, positioning and stabilization of the matrix band are important steps in this protocol.
To systematically review in vitro studies that evaluated adhesive-dentin bond strength with or without the addition of desensitizers.
A search was conducted in four databases (PubMed, Embase, Web of Science, and Cochrane Library) without publication date or language limits in accordance with the Preferred Reporting Items for Systematic Reviews (PRISMA). Two reviewers selected the studies, extracted data, and assessed the risk of bias independently. The inclusion criterion was the evaluation of the effect of immediate or aged bond strength after applying desensitizer in the bonding step. The risk of bias was assessed following the method used by Sarkis-Onofre et al.41 Meta-analysis was conducted using Review Manager 5.3.
A total of 1636 articles were found using the search strategy above; 59 articles were selected for full-text analysis, and 32 were systematically reviewed, with 18 considered in the meta-analysis. Results showed a significant difference among various kinds of desensitizers. The subgroup comparison showed high heterogeneity among the different kinds of desensitizers. The use of casein phosphopeptide-amorphous calcium phosphate (CPP-ACP) and arginine-CaCO3 showed no negative effect on the immediate bond strength, whereas other desensitizers showed some influence.
Different desensitizers have various effects on microtensile bond strength. Desensitizers may be selected based on the bond strength and especially used to relieve tooth sensitivity after tooth preparation.
Different desensitizers have various effects on microtensile bond strength. Desensitizers may be selected based on the bond strength and especially used to relieve tooth sensitivity after tooth preparation.
Malaria is the leading cause of morbidity in Côte d’Ivoire. Therefore, Côte d’Ivoire’s Ministry of Health implemented an exemption policy for Malaria treatment to remove the financial barriers hindering diagnosis and treatment.
A normative study was carried out at second-level hospital (Abobo Sud General Hospital) from January to October 2017. This study aimed at evaluating the medical care of uncomplicated malaria at a second-level hospital in the context of a targeted policy exemption.
The study sample consisted of 218 patients and 11 health workers. The questionnaire included socio-demographic characteristics, thee description of the policy implementation and factors influencing this policy.
The mean age of the patients was 25 years; 47.7% were from the informal sector; 51.8% single; 28.9% illiterate. 82 among 218 patients were informed of the free access policy, 91% of which is through the media. Common reasons for consulting were headache (74.