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This systematic review sought scientific evidence (in the literature) that trauma in the primary incisors cause sequelae in permanent successors. Also this work verified whether there was a relation between the presence and type of sequelae in permanent teeth with the child's age at the time of injury and type of trauma. Electronic databases, including the PubMed, Scopus, The Cochrane Library, LILACS, and Web of Science were used to search for original articles up to June 2013. Prospective and retrospective studies that assessed the association of trauma in deciduous incisors and developmental disturbances in permanent successors were selected. Two authors independently reviewed and extracted the data from the included studies. A methodological quality assessment evaluation of the selected studies was performed. The search retrieved 258 citations. Initially, 19 studies fulfilled the selection criteria; however, one (1) was excluded, leaving 18 for the final selection. Despite some limitations in the study designs were observed, especially the lack of a control group in most studies, the evidence found suggests that individuals with trauma in their primary incisors have more developmental disorders in the permanent successors than individuals without a previous trauma. Furthermore, the younger the child is at the time of injury, the more frequent and more severe are the sequelae to the permanent successor incisors. More severe traumas such as intrusion and avulsion are associated to more serious developmental disorders. These results should be analyzed carefully because very few studies evaluated had a control group.

Enamel whitish discolorations in esthetically compromised areas are clinically undesirable. Minimally invasive approaches used as attempts to minimize the discoloration include the resin infiltration technique. The evidence for clinical recommendation of this technique is not strong, thus, further RCT studies with long-term follow-ups should be conducted.

Osteoporosis is a systemic skeletal disease characterized by low bone mineral density (BMD) and has been considered a risk factor for periodontal disease. The aim of this systematic review and meta-analysis was to verify the scientific evidence for the association of periodontal attachment loss with low BMD in postmenopausal women. A systematic search of the literature was performed in databases until August 2016, in accordance with Preferred Reporting Items for Systematic Review and Meta-Analysis (PRISMA) guidelines. Eligibility criteria included studies that compared clinical attachment loss (CAL) between postmenopausal women with low and normal BMD. Studies using similar methodology, with lower and higher risk of bias, were pooled into 3 different meta-analyses to compare CAL among women with normal BMD, osteoporosis, and osteopenia. In the first meta-analysis, mean CAL was compared among groups. In the other 2 meta-analyses, the mean percentages of sites with CAL ≥4 mm and ≥6 mm were respectively compared among groups. From 792 unique citations, 26 articles were selected for the qualitative synthesis. Eleven of the studies were appraised as presenting low risk of bias, and the association between low BMD and CAL was observed in 10 of these studies. Thirteen cross-sectional articles were included in the meta-analysis for osteoporosis and 9 in the osteopenia analysis. Women with low BMD presented greater mean CAL than those with normal BMD (osteoporosis = 0.34 mm [95% confidence interval (CI), 0.20-0.49], P < 0.001; osteopenia = 0.07 mm [95% CI, 0.01-0.13], P = 0.02). Only studies with lower risk of bias were available for the analysis of CAL severity. Women with low BMD presented more severe attachment loss, represented as mean percentage of sites with CAL ≥4 mm (osteoporosis = 3.04 [95% CI, 1.23-4.85], P = 0.001; osteopenia = 1.74 [95% CI, 0.36-3.12], P = 0.01) and CAL ≥6 mm (osteoporosis = 5.07 [95% CI, 2.74-7.40], P < 0.001). This systematic review and meta-analysis indicates that postmenopausal women with osteoporosis or osteopenia may exhibit greater CAL compared with women with normal BMD.

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Tray-delivered CP gels have a slightly better whitening efficacy than HP-based products in terms of ΔE. This should be interpreted with caution as the data of ΔSGU did not show statistical difference between the products.

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