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Purpose: This study's purpose was to evaluate the aging effect on the bond strength of 4 adhesive systems on primary dentin 24 hours and 6 months after bonding. Methods: The crowns of extracted, caries-free primary molars were grounded and flat surfaces were prepared and distributed into 4 groups (n=7-9). The adhesives Scotch-bond Multi-purpose (SMP), Single Bond (SB), Clearfil SE Bond (CSB), and Adper Prompt L-Pop (APL) were applied with the composite resin Filtek Z-250. Specimens were stored in distilled water (37°C/24h), the crowns were sectioned, and 0.8-mm² resin-dentin sticks were obtained and divided into 2 groups: (1) 24h; and (2) 6m. Each group's specimens were tested under tensile at 0.5 mm/minute until they fractured. The fractured sticks were examined by scanning electron microscopy. The data were analyzed by 2-way repeated measures: analysis of variance; Tukey's test (P<.05); and Kruskal-Wallis test (P<.05). Results: The mTBS (MPa) means values were: SMP=33.28 (2.05), SB=23.27 (4.78), APL=20.64 (10.66), and CSB=18.94 (11.94) for the 24-hour group; and SMP=30.59 (6.29), SB=22.39 (5.9), CSB=21.50 (10.67), and APL=17.19 (6.88) for the 6-month group. The most frequent fracture type found was cohesive failure of the adhesive and mixed, with no statistically significant difference found between the groups. Conclusions: Resin bond strength on primary dentin was not influenced by aging for the adhesive systems tested. [ABSTRACT FROM AUTHOR]

Epidermolysis bullosa (EB) is a rare congenital disease characterized by the formation of blisters following minimal trauma. Oral health can be compromised by oral bullae, perioral fibrosis, ankyloglossia, and a high risk for dental caries, all of which lead to a decreased quality of life. The purpose of this paper is to report the case of an 11- year-old female who presented with autosomal recessive dystrophic EB. Besides the skin manifestations, the extra- and intra-oral exams revealed lesions on the lips and mucosa, microstomia, ankyloglossia, depapillated tongue, and carious teeth. This case emphasizes that patients diagnosed with EB require multidisciplinary care, with the dentist playing an important role in oral health management. [ABSTRACT FROM AUTHOR]