Abstract:
OBJECTIVE:To use ultrasonic measurements to monitor the effects of adhesive application and power density on the polymerization behavior of dual-cured core build-up resins. METHODS:Ultrasonic measurements were carried out using a pulser-receiver, transducers and an oscilloscope. The core build-up resins were mixed, inserted into a transparent mold and then placed onto a sample stage with or without self-etch adhesive. Power densities of 0 (no light irradiation), 200 and 600 mW/cm(2) were used for curing. The transit time through the core build-up resin disk was divided by the specimen thickness to obtain the longitudinal sound velocity (V). RESULTS:Light irradiation of the core build-up resins at a power density of 600 mW/cm(2) caused V values to rise to an initial plateau of 1550-1650 m/s, then to rise rapidly to a second plateau of 2800-3200 m/s. The rate of V increase was slower when the resin cements were light-irradiated and became faster when irradiated at a higher power density. There were no significant differences between the groups with or without adhesive. CONCLUSIONS:The polymerization behavior of the core build-up resins was affected by the power density of the curing unit. The influence of adhesive application differed among the core build-up resins tested.
journal_name
Acta Odontol Scandjournal_title
Acta odontologica Scandinavicaauthors
Sunada N,Ishii R,Shiratsuchi K,Shimizu Y,Tsubota K,Kurokawa H,Miyazaki Mdoi
10.3109/00016357.2011.654252subject
Has Abstractpub_date
2013-01-01 00:00:00pages
137-43issue
1eissn
0001-6357issn
1502-3850journal_volume
71pub_type
杂志文章abstract::Epidemiological data, particularly concordance rates in twin pairs and in multiply affected families, provide strong evidence that both genetic and environmental influences are important in the development of the chronic intestinal inflammation characteristic of Crohn disease and ulcerative colitis. Furthermore, suppl...
journal_title:Acta odontologica Scandinavica
pub_type: 杂志文章,评审
doi:10.1080/000163501750266800
更新日期:2001-06-01 00:00:00
abstract:OBJECTIVE:To investigate the gender-related differences in upper airway dimensions and hyoid bone position in Chinese Han children and adolescents (6-18 years) using cone-beam computed tomography (CBCT). MATERIALS AND METHODS:CBCT-scans of 119 boys and 135 girls were selected and divided into four groups (group 1: 6-9...
journal_title:Acta odontologica Scandinavica
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doi:10.3109/00016357.2014.978366
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abstract::Proton microprobe analysis was used to determine the fluoride concentrations in enamel and dentin surfaces exposed to a fluoride-containing and a conventional amalgam in vitro. After seven weeks of exposure, a considerable fluoride uptake was demonstrated from the fluoride-containing amalgam. The fluoride deposition w...
journal_title:Acta odontologica Scandinavica
pub_type: 杂志文章
doi:10.3109/00016358009033594
更新日期:1980-01-01 00:00:00
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journal_title:Acta odontologica Scandinavica
pub_type: 杂志文章,评审
doi:10.3109/00016357.2014.954267
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abstract::The purpose of this 20-year follow-up study was to assess whether persistent traits of morphologic malocclusion imply an increased risk of periodontal disease. In 1965-66 malocclusion was recorded in 176 adolescents who were re-examined in 1986-87 at the age of 33-39 years. Markedly healthier periodontal conditions we...
journal_title:Acta odontologica Scandinavica
pub_type: 杂志文章
doi:10.3109/00016358909007705
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abstract::Six linear strain gauges and one rosette strain gauge were used on three different types of models prepared from one partially dentate subject, to study loading deformation in a six-unit fixed mandibular bridge. The bridge was mounted on each of the models on an adjustable articulator and loaded in a universal testing...
journal_title:Acta odontologica Scandinavica
pub_type: 杂志文章
doi:10.3109/00016358408993877
更新日期:1984-08-01 00:00:00
abstract::In a previous study, dentists reported very high scores for perceived physical workload, but only low to moderate scores for the musculoskeletal system. This is difficult to explain when other occupational groups in the dental services are compared, and is the main reason why the present study was performed. To measur...
journal_title:Acta odontologica Scandinavica
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journal_title:Acta odontologica Scandinavica
pub_type: 杂志文章
doi:10.3109/00016358309162323
更新日期:1983-08-01 00:00:00
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journal_title:Acta odontologica Scandinavica
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journal_title:Acta odontologica Scandinavica
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abstract:OBJECTIVE:Semaphorin 3A (Sema3A) is an essential chemorepellant controlling peripheral axon pathfinding and patterning, but also serves non-neuronal cellular functions. Incisors of rodent are distinctive from molars as they erupt continuously, have only one root and enamel is present only on the labial side. The aim of...
journal_title:Acta odontologica Scandinavica
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doi:10.3109/00016357.2011.600717
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abstract::The frequency of temporomandibular disorders (TMDs) and radiologically observed abnormalities in the condyles of the temporomandibular joints (TMJs) of professional violin and viola players was investigated in 26 orchestra violinists/violists (VP group) and in their sex-, age-, and dentition-matched controls (C group)...
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doi:10.3109/00016357.2014.923108
更新日期:2015-05-01 00:00:00
abstract::The present study describes a Swedish family in which the mother and her son were affected with signs of popliteal pterygium syndrome (PPS, OMIM 119500). Both individuals had bilateral complete cleft lip and palate, oral synechiae, paramedian pits on the lower lip, toe syndactyly and a piece of triangular skin overgro...
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更新日期:2000-04-01 00:00:00
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更新日期:2020-03-01 00:00:00
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pub_type: 杂志文章
doi:10.1080/00016357.2020.1774076
更新日期:2020-10-01 00:00:00
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journal_title:Acta odontologica Scandinavica
pub_type: 杂志文章
doi:10.1080/00016357.2020.1730000
更新日期:2020-07-01 00:00:00
abstract::The occurrence of different life-style patterns, including marital status, educational level, nutrition, tobacco and alcohol use, and frequency of physical activity, in patients with oral lichenoid reactions (OLR) in total or partial contact with amalgam fillings was examined. When compared with an age- and sex-matche...
journal_title:Acta odontologica Scandinavica
pub_type: 杂志文章
doi:10.3109/00016359609006012
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journal_title:Acta odontologica Scandinavica
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doi:10.3109/00016359409029053
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pub_type: 杂志文章
doi:10.1080/000163598428491
更新日期:1998-10-01 00:00:00
abstract:OBJECTIVE:Composite restorative materials represent one of the most important groups of materials in contemporary dental practice. However, their incomplete polymerization may lead to monomer-induced genotoxicity. The objective of this study was to evaluate the genotoxicity of three flowable (Filtek Supreme XT Flow, Te...
journal_title:Acta odontologica Scandinavica
pub_type: 杂志文章
doi:10.3109/00016357.2012.734419
更新日期:2013-05-01 00:00:00
abstract:OBJECTIVE:To evaluate the surface roughness of IPS Empress 2 ceramic when treated with different finishing/polishing protocols. MATERIALS AND METHODS:Sixteen specimens of IPS Empress 2 ceramic were made from wax patterns obtained using a stainless steel split mold. The specimens were glazed (Stage 0-S0, control) and d...
journal_title:Acta odontologica Scandinavica
pub_type: 杂志文章
doi:10.3109/00016357.2012.690570
更新日期:2013-05-01 00:00:00
abstract:OBJECTIVE:The aim of the study was to investigate the ultrastructural features of Malassez epithelium (ME) containing protein gene product 9.5 (PGP9.5)-immunoreactive (IR) cells in the cat periodontal ligament (PDL). MATERIAL AND METHODS:Specimens from the teeth and tooth-supporting tissues of four mature cats of both...
journal_title:Acta odontologica Scandinavica
pub_type: 杂志文章
doi:10.1080/00016350903150002
更新日期:2009-01-01 00:00:00
abstract::In a 5-year clinical trial it was observed that the marginal degradation of class-II amalgam restorations could be related to the bulk of the restoration. The association between the occlusal cavity depth and the marginal degradation was observed after 6 months and varied for the different types of alloy. Ridit scores...
journal_title:Acta odontologica Scandinavica
pub_type: 杂志文章
doi:10.3109/00016359109005888
更新日期:1991-04-01 00:00:00
abstract:OBJECTIVE:Ozone was suggested for treatment of hypersensitive dentin. The purpose of this study was to investigate the effect of ozone, with or without the use of desensitizing agents, on patency and occlusion of simulated hypersensitive dentin. MATERIALS AND METHODS:Sixty standardized dentin slabs were randomly divid...
journal_title:Acta odontologica Scandinavica
pub_type: 杂志文章,随机对照试验
doi:10.3109/00016357.2011.572290
更新日期:2011-11-01 00:00:00
abstract::The abrasion responses were tested on four acrylic veneer materials, K + B Plus, K + B 75, Isosit, and Ivocron. The studies were performed in two independent research laboratories. Two different brushing machines were used with an abrasive slurry. The results were used for comparing the degree of abrasion for the resi...
journal_title:Acta odontologica Scandinavica
pub_type: 杂志文章
doi:10.3109/00016358409033617
更新日期:1984-12-01 00:00:00
abstract:OBJECTIVE:The aim of the current study was to investigate the presence of sulphate-reducing bacteria (SRB) in human saliva and correlate with oral and systemic conditions. METHODS:Saliva samples were collected from 118 patients and inoculated in 2 ml of modified Postgate's E medium culture. After 28 days of incubation...
journal_title:Acta odontologica Scandinavica
pub_type: 杂志文章
doi:10.3109/00016357.2013.770163
更新日期:2013-11-01 00:00:00
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journal_title:Acta odontologica Scandinavica
pub_type: 杂志文章
doi:10.1080/00016357.2020.1804073
更新日期:2020-11-01 00:00:00