A5078293642- Orthodontics and Dentofacial Orthopedics
- dental development and anomalies
- Dental materials and restorations
- Temporomandibular Joint Disorders
- Dental Research and COVID-19
- Oral and Maxillofacial Pathology
- Cleft Lip and Palate Research
- Dental Radiography and Imaging
- Dental Trauma and Treatments
- Dental Implant Techniques and Outcomes
- Periodontal Regeneration and Treatments
- Dental Anxiety and Anesthesia Techniques
- Dental Erosion and Treatment
- Endodontics and Root Canal Treatments
- Oral microbiology and periodontitis research
- Tracheal and airway disorders
- Dental Health and Care Utilization
- Dysphagia Assessment and Management
- Craniofacial Disorders and Treatments
- Laser Applications in Dentistry and Medicine
- Congenital Ear and Nasal Anomalies
- Infection Control and Ventilation
- Obstructive Sleep Apnea Research
- Bacterial biofilms and quorum sensing
- Oral Health Pathology and Treatment
Pontifícia Universidade Católica do Paraná
2015-2024
Pontifical Catholic University of Puerto Rico
2009-2012
Universidade Federal de São Paulo
2010-2011
Universidade Estadual Paulista (Unesp)
2010-2011
Catholic University of America
2011
Universidade de São Paulo
2010
Abstract Objective: An important characteristic of human dental enamel not yet studied in detail is its surface roughness mesoscopic scale. This study evaluated quantitatively and qualitatively the topography acid etched with different etching times. Materials Methods: Ninety-six maxillary bicuspids were randomly distributed into three groups (n=32): T0 (control), pumiced; T15, 35% phosphoric for 15 s; T30, 30 s. Roughness measurements Ra, Rz root mean square (RMS) 3D images enamel′s...
The aim of this study was to evaluate, in vitro, frictional forces produced by ceramic brackets and arch wires different alloys. Frictional tests were performed on three brackets: monocrystalline (Inspire ICE), polycrystalline (InVu), with metal slot (Clarity), one stainless steel bracket (Dyna-Lock). Thirty each tested, all .022' slots, combination nickel-titanium .019' x .025', at 0 degrees 10 angulation, artificial saliva. Arch pulled through the slots a crosshead speed mm/min. There...
ABSTRACT Objective: To compare the histological responses in corticotomy- and corticision-assisted tooth movement. Materials Methods: Ninety Wistar rats were divided into three groups: C (control—tooth movement only), CT (tooth + corticotomy), CI corticision). Surgeries performed on vestibular lingual cortical bone of maxillary first molar. Tooth was carried out with nickel-titanium closed coil springs having a force 30 g. The sacrificed at 3, 14, 28 days. evaluate number osteoclasts amount...
The purpose of this study was to evaluate the in vitro effect Light Coke, phosphoric acid, and citric acid on force decline pattern two types elastomeric chains.One hundred sixty gray colored chain modules, 80 Chainette (GAC) Sunburst chains, were divided into four groups for immersion artificial saliva. initial stretched chains ranged from 220 gf 250 gf. During experiment, all kept immersed saliva at 37 masculineC (pH 6.24) simulate oral environment. To daily consumption solutions twice a...
There is controversy in the literature about possible interaction of respiratory mode with facial and dental structures.The aim this study was to perform a longitudinal assessment changes structures Angle's Class II, division 1 malocclusion individuals, divided according pattern (predominantly nasal or mouth), at two distinct moments craniofacial development.Pogonium nose measurements were made on lateral cephalometric tracings (LS'-Pog', LS'-B', B'-Pog', Pog'-PogTeg', Line NB, Pog-NB,...
This study aimed to evaluate biomechanical behaviour of inclined orthodontic mini-implants by analyzing its insertion torque (IT), axial pull-out strength (APS), and cortical bone thickness in contact with mini-implant (CBTC). A total 102 were inserted at 90 degree, 60 45 degree the surface synthetic bone. Peak IT was measured, aligned mechanical testing machine record APS. The each measured after test data subjected statistical analyses. group had a significantly higher compared (P < 0.05)....
This study aimed to evaluate the effects of chronic use fluoxetine on amount orthodontic tooth movement and tissue changes in rats. A total 192 Wistar rats were divided into 4 groups: S, 0.9% saline solution; F, 20 mg/kg fluoxetine; SM, solution with movement; FM, movement. After 30 days daily or administration, an device (25cN) was used mesially displace first molar animals groups SM FM. The euthanized 2, 7, 14, 28 after placement appliances S F at same time. assessment made gypsum...
To test the null hypothesis that metal and ceramic brackets have no effect on epithelial cells of buccal mucosa.Two two were bonded in 21 individuals both sexes. With use liquid-based exfoliative cytology, morphometric morphologic changes mucosa adjacent to these determined compared at three time points: baseline (T0), 60 days after placement (T1), 30 removal (T2).A decrease nuclear area an increase cytoplasmic occurred T1 (P < .01). At T2, this altered morphometry persisted only brackets,...