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O uso de alinhadores transparentes já foi associado, em descrição de casos clínicos, a uma ampla variedade de reações alérgicas, que vão desde uma simples dor de garganta a erupções de corpo inteiro. Na tentativa de elucidar os possíveis potenciais citotóxicos desses materiais, pesquisadores árabes desenvolveram um estudo 1 com o objetivo de avaliar e comparar a citotoxicidade de vários sistemas de alinhadores transparentes (Invisalign, Eon, SureSmile e Clarity).
Objective: To assess the effect of toothpaste containing 8% arginine on Streptococcus mutans (S. mutans) in dental plaque around orthodontic brackets, and to draw a comparison with a regular fluoride toothpaste. Trial design: A single-center, parallel- arm, triple-blind, randomized controlled trial was conducted. Methods: The clinical trial was conducted at the Orthodontic Clinic, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran. Seventy-two patients (age range: 15-30...
O presente estudo teve como objetivo avaliar a acu- rácia de modelos virtuais 3D de tecidos moles faciais produzi- dos por dois softwares de fotogrametria (AgiSoft Photoscan e 3DF Zephyr Free), em comparação aos gerados por tomografia computadorizadade feixe cônico (TCFC).
Objective: To evaluate, in-vitro, the change in crown inclination that occurs during orthodontic leveling and alignment using different archwire-bracket-ligation combinations. Materials and Methods: Four archwire types were tested: (1) 0.012-in stainless steel and (2) 0.0155-in stainless steel multi-stranded, (3) 0.012-in nitinol Orthonol ® and (4) 0.012-in nitinol Thermalloy®. Combinations with five types of 0.022-in slot orthodontic brackets were tested: SmartClipTM and Time3®...
O objetivo do presente estudo foi comparar, por meio de modelos digitais, as alterações oclusais após a expansão rápi- da da maxila (ERM) e após a expansão lenta da maxila (ELM) em pacientes com fissura labiopalatina completa unilateral (FLPU).
Objective: This study aimed to evaluate the effects of systemic teriparatide on sutural bone formation after premaxillary suture expansion in rats. Material and Methods: Twenty Wistar male rats (8–10 weeks old) were randomly divided into two groups, namely, control (C, n=10) and teriparatide (T, n=10). An expansion force was applied to the maxillary incisors using helical spring for a seven- day expansion period, for both groups. On the eighth day, the rats were kept for a seven-day...
Introdução: Protocolos de ensaios clínicos são documentos essenciais, que servem como base para o planejamento da pesquisa. As diretrizes do Standard Protocol Items: Recommendations for Interventional Trials (SPIRIT) objetivam aumentar a transparência e a integridade dos protocolos de ensaios clínicos. Objetivos: O presente trabalho descreve os principais aspectos do SPIRIT, destacando a importância do uso dessas diretrizes na Ortodontia. Resultados: O SPIRIT é composto por 33 itens...
Objective: The aim of this study was to compare the occlusal changes of rapid maxillary expansion (RME) and slow maxillary expansion (SME) in patients with unilateral complete cleft lip and palate (UCLP), by means of digital dental models. Methods: Group RME was composed by 22 patients (13 males and 9 females), with mean age of 9.9 years, treated with rapid maxillary expansion with Hyrax appliance in Center 1. Group SME was composed by 29 patients (14 females and 15 males), with mean age of...
Objective: The present study aimed to evaluate the accuracy of 3D facial soft tissue virtual models produced by two photogrammetry softwares (AgiSoft Photoscan and 3DF Zephyr Free), when compared to those created by cone beam computed tomography (CBCT). Methods: Ten patients were submitted to two sequences of photographs performed with a DSLR camera (with and without the aid of a ring flash) and CBCT scans. Each photo series for each patient was processed with the softwares, and at the end,...
O presente estudo teve como objetivo avaliar os efeitos do uso sistêmico da teriparatida na formação óssea sutural após a expansão da pré-maxila em ratos.
Objective: This study aimed to evaluate and compare pain intensity and Oral Health-related Quality of Life (OHRQoL) in women with temporomandibular disorder (TMD) before (T1) and during (T2) COVID-19 pandemic. Materials and Methods: Sample was composed of forty-one female participants with painful TMD, who presented for TMD treatment. Subjects were asked to indicate their pain intensity and to answer the Oral Health Impact Profile-14 (OHIP-14). Participants data were collected twice: T1...
O presente estudo objetivou avaliar e comparar a in- tensidade da dor e a Qualidade de Vida Relacionada à Saúde Bucal (QVRSB) de mulheres com disfunção temporomandibu- lar (DTM), antes (T1) e durante (T2) a pandemia de COVID-19.
Introduction: Clinical trial protocols are essential documents that serve as a basis for research planning. The Standard Protocol Items: Recommendations for Interventional Trials (SPIRIT) statement aimed to increase the transparency and integrity of clinical trial protocols. Objectives: This paper described the main aspects of the SPIRIT, highlighting the importance of using this guideline in Orthodontics. Results: The SPIRIT is composed of 33 items and the diagram, which were presented and...
Avaliar, in vitro, as mudanças na inclinação das coroas dentárias que acontecem durante o alinhamento e nivelamento usando diferentes combinações de arcos/braquetes/ligaduras.
Objective: To develop and make available, at no cost to the user, Information and Communications Technology (ICT) tools for Dentistry, providing dental information and advice geared toward patients undergoing orthodontic treatment with fixed appliances. Material and Methods: A Dentistry-based content that contemplated information and advice concerning orthodontic treatment with fixed appliances was elaborated. The materials, which included instructions on oral hygiene and treatment...
O presente estudo objetivou investigar a atividade antimi- crobiana e a resistência de união ao cisalhamento (RU) de braquetes ortodônticos colados em esmalte bovino, utilizando compósitos expe- rimentais com diferentes concentrações de nanopartículasde prata revestidas com dióxido de silício (NPs Ag@SiO 2 ).
Objective: This study aimed to investigate the antimicrobial activity and shear bond strength (SBS) of orthodontic brackets to bovine enamel using experimental composites with different concentrations of silicon dioxide-coated silver nanoparticles (Ag@SiO2 NPs). Methods: Fifty bovine incisors were divided into five groups according to the composite (n = 10): G1 - Control Group (Transbond XT Resin), G2 - Experimental composite without Ag@SiO2 NPs; G3 - Experimental composite with 0.5% of...
Introdução: A movimentação osseodentária induzida ocorre meio de uma sincronicidade de fenômenos dentários e ósseos, graças à rede osteocítica, uma rede tridimensional de controle do formato ou design ósseo. Objetivo: Descrever a movimentação osseodentáriainduzida com ancoragem ampliada, dividindo-a em três momentos distintos: zero, start e stop. Questionamento: Dessa descrição origina-se a principal pergunta: com o uso de mini-implantes/miniplacas, o que muda na biologia...
Introduction: Induced tooth-bone movement occurs by a synchronicity of dental and bone phenomena, thanks to the osteocytic network, which is a three-dimensional network that controls the bone shape or design. Objective: To describe the tooth-bone movement induced by enhanced anchorage, divided into three distinct moments: zero, start and stop. Question: From this description, the main question arises: with the use of mini-implants/miniplates, what changes in the biology of induced tooth-bone...
Objetivos: Desenvolver e disponibilizar, gratuitamente, ferramentas de tecnologia da informação e comunicação (TIC) para a Odontologia, abordando informações e orientações direcionadas a pacientes em tratamento ortodôntico com aparelho fixo.
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