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Effect of toothbrushing with different manual toothbrushes on the shear bond strength of orthodontic brackets
(2010-07-01)
The aim of this study was to evaluate the effect of brushing with a Colgate 360° or Oral B Indicator 35 toothbrush on the shear bond strength of orthodontic brackets bonded to extracted human teeth. The bristle wear and ...
Testing the Markov property with ultra high frequency financial data
(Fundação Getulio Vargas, 2001-03-01)
This paper develops a framework to test whether discrete-valued irregularly-spaced financial transactions data follow a subordinated Markov process. For that purpose, we consider a specific optional sampling in which a ...
Periodontal conditions of teeth presenting pathologic migration.
(2004-10-01)
The aim of the present study was to evaluate the periodontal conditions of anterior teeth that presented pathologic migration in patients with chronic periodontitis and to compare periodontal destruction in migrated versus ...
Changes in occlusal vertical dimension in microwave processing of complete dentures.
(2002-11-13)
This study investigated the effect of different microwave curing cycles on the changes in occlusal vertical dimension of complete dentures. Four test groups with 12 maxillary dentures each were evaluated. Groups 1, 2 and ...
Lethal photosensitization in microbiological treatment of ligature-induced peri-implantitis: a preliminary study in dogs
(2003-03-01)
This pilot study evaluated, by culture testing, the effectiveness of lethal photosensitization for the microbiological treatment of peri-implantitis in dogs. Experimental peri-implantitis was induced by ligature placement ...
Effect of air-powder system on titanium surface on fibroblast adhesion and morphology.
(2003-08-07)
PURPOSE: To evaluate the number and morphology of fibroblasts grown on machined titanium healing abutments treated with an airpowder system. MATERIALS AND METHODS: Twenty-six abutments were assigned to two experimental ...
The influence of diabetes mellitus and insulin therapy on biomechanical retention around dental implants: a study in rabbits.
(2003-12-01)
The oral rehabilitation by dental implants in patients with diabetes remains a controversial issue. The aim of this study was to evaluate the influence of diabetes mellitus and insulin therapy on the bone healing around ...
In vitro assessment of pulp chamber temperature of different teeth submitted to dental bleaching associated with LED/laser and halogen lamp appliances
(2008-07-01)
This study sought to assess the pulp chamber temperature in different groups of human teeth that had been bleached using hydrogen peroxide gel activated with halogen lamps or hybrid LED/laser appliances. Four groups of ten ...
Periodontal conditions of teeth presenting pathologic migration.
(2004-10-01)
The aim of the present study was to evaluate the periodontal conditions of anterior teeth that presented pathologic migration in patients with chronic periodontitis and to compare periodontal destruction in migrated versus ...
El supuesto de normalidad: ¿mito o realidad?
(Universidad de La Salle. Ediciones Unisalle, 23 d)