Medical and Biomedical Researches

Changes in surface contour of resin composites after light-curing.

June 27th, 2008
Changes in surface contour of resin composites after light-curing. PURPOSE: To determine the changes in free surface contour and volume of resin composites during light-curing by irradiating on half area of a specimen, using a 3-dimensional profilometer. METHODS: Resin composite was packed into a metal mold ...

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Influence of timing of coronal preparation on retention of two types of post cores.

June 27th, 2008
Influence of timing of coronal preparation on retention of two types of post cores. PURPOSE: To compare the effect of coronal preparation on retention of cemented cast (Cr-Ni) and IPS post core systems. METHODS: Cr-Ni and IPS post and cores were placed in 48 extracted single ...

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Influence of oil contamination on in vitro bond strength of bonding agents to dental substrates.

June 27th, 2008
Influence of oil contamination on in vitro bond strength of bonding agents to dental substrates. PURPOSE: To evaluate the influence of cleaning procedures (pumice, anionic detergent and both procedures together) on the tensile bond strength of etch-and-rinse and self-etch adhesive systems to bovine enamel and dentin ...

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Fracture resistance and microtensile bond strength of maxillary premolars restored with two resin co

June 27th, 2008
Fracture resistance and microtensile bond strength of maxillary premolars restored with two resin composite inlay systems. PURPOSE: To compare the in vitro fracture resistance and the microtensile bond strength (muTBS) of premolar teeth restored with two light-cured resin composite inlay systems. METHODS: 50 sound human maxillary ...

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Effect of different surface treatments on the repair bond strength of indirect composites.

June 27th, 2008
Effect of different surface treatments on the repair bond strength of indirect composites. PURPOSE: To evaluate the tensile bond strength of indirect composites repaired with different surface treatments and direct composites. METHODS: 180 specimens were prepared with Targis, belleGlass HP and Sculpture indirect composites, light-activated and ...

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Influence of cementation variables on fatigue of simulated two-unit cantilever resin-bonded fixed pa

June 27th, 2008
Influence of cementation variables on fatigue of simulated two-unit cantilever resin-bonded fixed partial dentures. PURPOSE: To determine the influence of various combinations of surface pretreatment and luting cement on flexural fatigue limits of two-unit CoCr cantilever resin-bonded fixed partial dentures. METHODS: Cyclic fatigue tests were performed ...

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Clinical evaluation of the effects of a sonic toothbrush with ultrasound waveguide in disrupting pla

June 27th, 2008
Clinical evaluation of the effects of a sonic toothbrush with ultrasound waveguide in disrupting plaque with and without bristle contact. PURPOSE: To assess the in vivo plaque removal efficacy of the newly marketed sonic/ultrasonic toothbrush. Plaque removal resulting from the toothbrush being held approximately 3 mm ...

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Influence of a desensitizing agent on efficacy of a paint-on bleaching agent.

June 27th, 2008
Influence of a desensitizing agent on efficacy of a paint-on bleaching agent. PURPOSE: To evaluate the influence of a desensitizing agent (VivaSens) on efficacy of a paint-on bleaching agent (VivaStyle Paint On Plus). METHODS: Bleaching was performed for 7 days with VivaStyle Paint On Plus. The ...

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Treating sensitive cervical areas with ozone. A prospective controlled clinical trial.

June 27th, 2008
Treating sensitive cervical areas with ozone. A prospective controlled clinical trial. PURPOSE: To determine whether the treatment of hypersensitive teeth with gaseous ozone (Healozone, KaVo 1600 ppm) for 60 seconds reduces pain immediately after treatment and in the longer term. METHODS: In three private practices in ...

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Tooth bleaching and pit and fissure stain.

June 27th, 2008
Tooth bleaching and pit and fissure stain. PURPOSE: To investigate if tooth whitening had any effect on the shade of occlusal pit and fissure stains and whether reservoirs in bleaching trays affected bleaching of occlusal pit and fissure stains. METHODS: 96 extracted molars were randomly divided ...

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A diagnostic assay based on variable intergenic region distinguishes between Leishmania donovani and

June 27th, 2008
A diagnostic assay based on variable intergenic region distinguishes between Leishmania donovani and Leishmania infantum. We have developed a PCR assay that in a single reaction distinguishes between Leishmania infantum and Leishmania donovani strains on the basis of different size of the amplicon. The targeted intergenic ...

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The genus Hyalomma Koch, 1844. IV. Redescription of all parasitic stages of H. (Euhyalomma) lusitani

June 27th, 2008
The genus Hyalomma Koch, 1844. IV. Redescription of all parasitic stages of H. (Euhyalomma) lusitanicum Koch, 1844 and the adults of H. (E.) franchinii Tonelli Rondelli, 1932 (acari: ixodidae) with a first description of its immature stages. Hyalomnma (Euhyalomma) lusitanicum Koch, 1844 and Hyalomma (Euhyalomma) franchinii ...

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Crustacean-acanthocephalan interaction and host cell-mediated immunity: parasite encapsulation and m

June 27th, 2008
Crustacean-acanthocephalan interaction and host cell-mediated immunity: parasite encapsulation and melanization. Host-parasite interactions of Pomphorhynchus laevis (Müller, 1776) in naturally infected amphipod, Echinogammarus stammeri (Karaman), from the Brenta River (northern Italy) are described. A fully developed acanthocephalan larva occupies a large portion of an amphipod\'s haemocoelic space; ...

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A standardised terminology of the embryonic envelopes and associated developmental stages of tapewor

June 27th, 2008
A standardised terminology of the embryonic envelopes and associated developmental stages of tapeworms (Platyhelminthes: Cestoda). Over the past 40 years, much has been published on the ultrastructure and cellular development of embryonic structures in a wide range of cestodes. However, the literature contains many discrepancies in ...

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Taxonomical study into two new species of Philometra (Nematoda: Philometridae) previously identified

June 27th, 2008
Taxonomical study into two new species of Philometra (Nematoda: Philometridae) previously identified as Philometra lateolabracis (Yamaguti, 1935). Males of the nematode Philometra lateolabracis (Yamaguti, 1935), the type species of the genus Philometra Costa, 1845, were discovered for the first time in gonads of its type host, ...

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Tapeworms (Cestoda: Proteocephalidea) of firewood catfish Sorubimichthys planiceps (Siluriformes: Pi

June 27th, 2008
Tapeworms (Cestoda: Proteocephalidea) of firewood catfish Sorubimichthys planiceps (Siluriformes: Pimelodidae) from the Amazon River. A survey of proteocephalidean cestodes found in the firewood catfish Sorubimichthys planiceps (Spix et Agassiz) from the Amazon River is provided. The following taxa parasitic in S. planiceps are redescribed on the ...

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Rodents as intermediate hosts of Hepatozoon ayorgbor (Apicomplexa: Adeleina: Hepatozoidae) from the

June 27th, 2008
Rodents as intermediate hosts of Hepatozoon ayorgbor (Apicomplexa: Adeleina: Hepatozoidae) from the African ball python, Python regius? Two experimental trials were performed to elucidate the role of rodents in the life cycle of Hepatozoon species using snakes as intermediate hosts. In one trial, two ball pythons, ...

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Haemosporidian infections in captive exotic glossy starling Lamprotornis chalybaeus in Hong Kong.

June 27th, 2008
Haemosporidian infections in captive exotic glossy starling Lamprotornis chalybaeus in Hong Kong. A greater blue-eared glossy starling Lamprotornis chalybaeus Ehrenburg from a large flight aviary in Hong Kong was found on post mortem to be infected with Plasmodium octamerium Manwell, 1968, Plasmodium cf. relictum (Grassi et ...

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Immune response to rabbit coccidiosis: a comparison between infections with Eimeria flavescens and E

June 27th, 2008
Immune response to rabbit coccidiosis: a comparison between infections with Eimeria flavescens and E. intestinalis. Seven- to eight-week-old rabbits were infected with Eimeria intestinalis Cheissin, 1948, a highly immunogenic coccidium, or Eimeria flavescens Marotel et Guilhon, 1941, which is weakly immunogenic. Immune response was investigated at ...

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Use of glazed ceramic waste as additive in mortar and the mathematical modelling of its strength.

June 27th, 2008
Use of glazed ceramic waste as additive in mortar and the mathematical modelling of its strength. This study investigated the reusability of waste material from the tile manufacturing industry as an alternative material to natural pozzolan trass. Yield strength values of mortar made from Portland cement ...

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Synergism effects of phenol-degrading yeast and ammonia-oxidizing bacteria for nitrification in coke

June 27th, 2008
Synergism effects of phenol-degrading yeast and ammonia-oxidizing bacteria for nitrification in coke wastewater of Esfahan Steel Company. Ammonia-oxidizing bacteria and phenol-degrading yeast were isolated in order to study the synergism effects of phenol-degrading yeast and ammonia-oxidizing bacteria for enhancing the nitrification in coke wastewater from the ...

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Assessment of microbiological and parasitological quality of composted wastes: health implications a

June 27th, 2008
Assessment of microbiological and parasitological quality of composted wastes: health implications and hygienic measures. Feedstock and compost samples were collected from twenty composting plants and analysed from the microbiological point of view. Faecal indicator organisms were determined in order to evaluate the efficacy of processes for ...

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Sources and factors controlling the disposal of biodegradable municipal solid waste in urban and rur

June 27th, 2008
Sources and factors controlling the disposal of biodegradable municipal solid waste in urban and rural areas of Cyprus. An inventory of sources of biodegradable municipal soil waste (BMSW) was constructed for urban and rural areas in the EU accession region of Cyprus. Composition analysis was performed ...

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Bacterial community patterns and thermal analyses of composts of various origins.

June 27th, 2008
Bacterial community patterns and thermal analyses of composts of various origins. During composting, the degradation of organic waste is accompanied and driven by a succession of microbial populations exhibiting a broad range of functional capabilities. Detailed inventories of the microbial communities in mature compost, however, are ...

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Release of nitrogen and trace metal species from field stacked biosolids.

June 27th, 2008
Release of nitrogen and trace metal species from field stacked biosolids. Concerns over elevated nitrate (NO3-) levels found in groundwater near former biosolid stockpiling locations resulted in the Maine Department of Environmental Protection (MDEP) imposing stricter regulations governing the stockpiling of biosolids in October 2002. The ...

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