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Analysis of the microtensile bond strength to enamel of two adhesive systems polymerized by halogen light or LED
Adhesives Dental bonding Polymerization Light-emitting diode (LED)
2009/10/20
With the development of composite resin polymerization techniques, LEDs were introduced to the market place. Based on the studied literature, the aim of this study was to evaluate, through microtensil...
Effect of light curing tip distance and resin shade on microhardness of a hybrid resin composite
Composite resins Hardness
2009/10/20
Resin composite shades and resin composite polymerization performed with a distanced light tip are factors that can affect polymerization effectiveness. Thisin vitro study aimed to evaluate the influe...
Dimensional stability of distances between posterior teeth in maxillary complete dentures
Denture complete Water storage Tooth movement
2009/10/19
The aim of this study was to assess the displacement of posterior teeth in maxillary complete dentures stored in water at 37°C. Twenty acrylic resin-based maxillary complete dentures were constructed ...
Prevalence of posterior crossbite among pacifier users: a study in the deciduous dentition
Malocclusion Dentition primary Sucking behavior
2009/10/19
The aim of this study was to evaluate the prevalence of posterior crossbite among children whose pacifier-sucking habit persisted until different ages. Children aged 3 to 6 years were randomly selecte...
Forces in stainless steel,TiMolium® and TMA® intrusion arches,with different bending magnitudes
Orthodontic wires Dental alloys Biomechanics Tooth movement
2009/10/19
The present study compared forces in stainless steel, TiMolium?and TMA? V-bend intrusion arches with different magnitudes of flexion. The sample consisted of rectangular-section wires, caliber .017" x...
Gingival margin alterations and the pre-orthodontic treatment amount of keratinized gingiva
Orthodontics Gingival recession Gingiva
2009/10/16
The purpose of this retrospective study was to associate the amount of keratinized gingiva present in adolescents prior to orthodontic treatment to the development of gingival recessions after the end...
An in vitro comparison of the force decay generated by different commercially available elastomeric chains and NiTi closed coil springs
Orthodontics corrective Orthodontic appliance design
2009/10/16
This in vitro study was designed to compare the forces generated by commercially available elastomeric chains and NiTi closed coil springs, and to determine their force decay pattern. Forty elastomeri...
Microhardness assessment of different commercial brands of resin composites with different degrees of translucence
Composite resins Hardness Color
2009/10/16
Owing to improvements in its mechanical properties and to the availability of shade and translucence resources, resin composite has become one of the most widely used restorative materials in present ...
Influence of method and period of storage on the microtensile bond strength of indirect composite resin restorations to dentine
Composite resins Tensile strength Thymol Formaldehyde Sodium azide Dentin
2009/10/16
This study evaluated the influence of the method and period of storage on the adhesive bond strength of indirect composite resin to bovine dentin. Ninety bovine incisors were stored in three different...
Professional flossing as a diagnostic method for gingivitis in the primary dentition
Gingivitis Diagnosis Dentition primary Dental plaque
2009/10/16
The aim of this study was to evaluate flossing as a diagnostic method for interproximal gingival bleeding in children. For this crossover study, 23 pre-schoolchildren presenting neither restorations n...
Evaluation of superficial microhardness in dental enamel with different eruptive ages
Dental enamel Hardness Tooth eruption Tooth unerupted
2009/10/16
This study evaluated the superficial microhardness of enamel in teeth at different posteruptive ages (before eruption in the oral cavity, 2-3 years after eruption, 4-10 years after eruption and more t...
Vertical interincisal trespass assessment in children with speech disorders
Malocclusion Open bite Orthodontics Speech disorders
2009/10/16
Through a transversal epidemiological study, conducted with 333 Brazilian children, males (157) and females (176), aged 3 to 6 years old, enrolled in a public preschool, this study aimed to evaluate t...
Evaluation of the dental structure loss produced during maintenance and replacement of occlusal amalgam restorations
Dentistry operative Dental amalgam Dental restoration permanent Dental restoration failure
2009/10/16
The aim of this in vitro study was to evaluate four different approaches to the decision of changing or not defective amalgam restorations in first primary molar teeth concerning the loss of dental st...
Influence of different light curing units on the bond strength of indirect resin composite restorations
Resin cements Composite resins
2009/10/16
The aim of this study was to evaluate the influence of different light sources on the bond strength of indirect resin composite restorations cemented with a dual-cure resin cement. The superficial den...
Development of an experimental optoelectronic device to study the amplitude of mandibular movements
Movement Temporomandibular joint Mandible
2009/10/16
This study aimed to present a wireless mandibular motion tracking device and optoelectronic data acquisition system developed to analyze the real-time spatial motion of the entire mandible during mout...