Abstract:
:The bond strength of methacrylate (Z350, 3M ESPE) and silorane (P90, 3M ESPE) restorations, using different cavity filling techniques, was investigated. Cavities (6 × 3 × 3) in bovine teeth were filled using bulk, oblique, or horizontal increments. A push-out test was carried out after 24 h. Data were statistically analyzed (α = 5%). Methacrylate-based composites and the horizontal filling technique showed the highest bond strength values (10.2 ± 3.9, p < 0.05). Silorane-based composites showed no statistically significant differences regarding the filling techniques (p > 0.05).
journal_name
Braz Oral Resjournal_title
Brazilian oral researchauthors
Machado FW,Borges FB,Cenci MS,Moraes RR,Boscato Ndoi
10.1590/1807-3107BOR-2016.vol30.0044subject
Has Abstractpub_date
2016-01-01 00:00:00eissn
1806-8324issn
1807-3107pii
S1806-83242016000100237journal_volume
30pub_type
杂志文章abstract::The aim of this study was to establish two new formulas for objectively evaluating skeletal maturation of cervical vertebrae in female and male Brazilian subjects using lateral cephalometric radiographs. The sample included 128 girls and 110 boys, aged 7.0 to 15.9 years, from the files of the Oral Radiology Clinic, Pi...
journal_title:Brazilian oral research
pub_type: 杂志文章
doi:10.1590/s1806-83242007000400009
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abstract::Fluoride has been widely used in dentistry because it is a specific and effective caries prophylactic agent. However, excess fluoride may represent a hazard to human health, especially by causing injury to genetic material. Genotoxicity tests represent an important part of cancer research to assess the risk of potenti...
journal_title:Brazilian oral research
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abstract::The aim of this study is to evaluate the machinability of four CAD/CAM materials (n = 13) assessed by brittleness index, Vickers hardness, and fracture toughness and interaction among such mechanical properties. The materials selected in this in vitro study are Feldspathic ceramic [FC], Lithium-disilicate glass cerami...
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journal_title:Brazilian oral research
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abstract::The effects of ethanol alone on the oral mucosa are still poorly understood, especially because there are few non-smoking chronic consumers of alcoholic beverages. The aim of this study was to evaluate the frequency of micronucleus, abnormal nucleus/cytoplasm ratio, pyknosis, karyorrhexis and karyolysis in exfoliated ...
journal_title:Brazilian oral research
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abstract::Tooth discoloration is commonly found in the dental clinic and tooth bleaching has been considered the preferred esthetic alternative, being more conservative, safe and with predictable results. Supervised home-use of 10% Carbamide Peroxide (CP) bleaching with custom-trays is the most common bleaching procedure dispen...
journal_title:Brazilian oral research
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journal_title:Brazilian oral research
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journal_title:Brazilian oral research
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journal_title:Brazilian oral research
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abstract::The purpose of this study was to perform a microcomputed tomographic evaluation of the radioprotective effect of resveratrol on the volume of mandibular incisors of irradiated rats. A second aim was to make a quantitative assessment of the effect of x-ray exposure on these dental tissues. Twenty adult male rats were d...
journal_title:Brazilian oral research
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abstract::This study aimed to evaluate the role of photobiomodulation (PBM) in apexification and apexogenesis of necrotic rat molars with an open apex. Rat molars were exposed to the oral environment for 3 weeks. Canals were rinsed with 2.5% NaOCl and 17% EDTA, filled with antibiotic paste and sealed. After 7 days, canals were ...
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abstract::Dental treatment and surgery is a well-established method of correcting dentofacial deformities, and such treatment has an impact on the quality of life of individuals. The objective of this study was to evaluate the effect of orthognathic surgery on the quality of life of patients receiving treatment at the Universid...
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journal_title:Brazilian oral research
pub_type: 杂志文章,随机对照试验
doi:10.1590/s1806-83242007000300009
更新日期:2007-07-01 00:00:00
abstract::To evaluate the torsional properties of engine-driven pathfinding instruments manufactured from different NiTi alloys - R-Pilot (tip size 12.5;.04 taper; M-Wire) and One G (tip size 14;.03 taper; Conventional NiTi). A total of 40 NiTi instruments from engine-driven pathfinding instruments (n = 20) were used. The torsi...
journal_title:Brazilian oral research
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abstract::[This corrects the article doi: 10.1590/1807-3107BOR-2017.vol31.0105]. ...
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pub_type: 杂志文章,已发布勘误
doi:10.1590/1807-3107BOR-2017.vol31.0105erratum
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