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Analysis of the presence and location of mast cells in periapical cysts and periapical granulomas
Conclusion: Mast cells were detected in both cysts and periapical granuloma, located in the capsule and granulation tissue, respectively. Mast cells were more prevalent in periapical cysts than in periapical granuloma.RESUMO Objetivo: Localizar mast ócitos em lesões periapicais (granulomas e cistos) através de técnicas histoquímicas e corante azul de toluidina. Métodos: Uma pesquisa quantitativa, descritiva, transversal e retrospectiva foi realizada. As amostras foram obtidas de documentos histopatológicos nos arquivos do laboratório d e patologia cirúrgica da Universidade de Pernambuco entre Novembro de 2014 e ...
Source: RGO - Revista Gaucha de Odontologia - January 6, 2017 Category: Dentistry Source Type: research

Evidence-based pediatric dental practice within the clinician's reach: the case of the esthetic effect of topical silver diamine fluoride for caries control in primary dentition
Conclusion: The dentist concluded that there is insufficient evidence about the esthetic effect of silver diamine fluoride applications on primary teeth and opted to inform it to his/her patients' caregivers and to share with them the decision whether to use it or not in each specific case.RESUMO Objetivo: Mostrar como um cirurgi ão-dentista clínico geral procurou responder, com base em evidência científica, à pergunta: "O escurecimento das lesões de cárie em dentes decíduos tratados com diaminofluoreto de prata contribui para a redução da aceitação desse tipo de tratamento pelos pais?". Métodos: O dentista ...
Source: RGO - Revista Gaucha de Odontologia - January 6, 2017 Category: Dentistry Source Type: research

Vertical bone augmentation of posterior mandibular region: a description of two surgical techniques
ABSTRACT Correction of severe vertical bone deficiency in the posterior region of mandibular alveolar ridge requires surgical management if implants are scheduled and cannot have primary stability. The aim of the present study is to report two cases; one treated with alveolar osteogenesis distraction and the other with segmental osteotomy with autologous graft interposition, by describing the surgical steps as well as show the results and experiences acquired with these techniques. We opted for these methods to reconstruct the posterior mandibular region after remarkable vertical bone loss based mainly by the height and th...
Source: RGO - Revista Gaucha de Odontologia - October 14, 2016 Category: Dentistry Source Type: research

Molar intrusion with orthodontic mini-implants: case reports
ABSTRACT Intraoral skeletal anchorage may be obtained by means of mini-implants that allow simpler and more effective orthodontic biomechanics. These devices have become increasingly popular, particularly because their use requires little cooperation from the patient. Three clinical cases were presented, in which the efficiency of mini-implants for maxillary and mandibular molar intrusion was demonstrated. In all treatments, the authors sought to insert the mini-implants in the vestibular and lingual regions to obtain better torque control of the tooth, thereby avoiding undesirable momentum, rotation and tipping. Therefore...
Source: RGO - Revista Gaucha de Odontologia - October 14, 2016 Category: Dentistry Source Type: research

Longevity of restorations in direct composite resin: literature review
The objective of the present work was to conduct a literature review on the clinical performance of different types of composite resins and adhesive systems with regard to longevity. For this evaluation, some characteristics of the restorations were immediately verified after they were completed and after a determined time. Characteristics such as postoperative sensitivity, color, marginal integrity, secondary caries, texture, marginal adaptation, retention, displacement, marginal discoloration and anatomical shape had their performances compared. The influence of different adhesive systems on the longevity of the restorat...
Source: RGO - Revista Gaucha de Odontologia - October 14, 2016 Category: Dentistry Source Type: research

The effect of inflammatory response modulator agents on gingivitis and periodontitis
ABSTRACT Periodontal diseases are infecto-inflammatory diseases. Literature, has tried to elucidate the infections component of gingivitis and periodontitis, for several years. In recent years, much has been discussed about the role of the host response modulators to periodontal therapeutic procedures. The aim of the present literature review was to evaluate the effect of host response modulating agents (anti-inflammatories) on the pathogenesis of gingivitis and periodontitis. A search in the main databases was performed and human and animal studies were selected. The majority of studies was performed in humans and non-ste...
Source: RGO - Revista Gaucha de Odontologia - October 14, 2016 Category: Dentistry Source Type: research

Prevalence of peri-implant mucositis
Conclusion: It can be observed a high prevalence of mucositis around the implants, which highlights the need for professionals' greater awareness about oral hygiene guidance and health promotion encouragement in patients receiving dental implant rehabilitation, as well as more studies to investigate the real role of keratinized tissue around implants.RESUMO Objetivo: O objetivo desse estudo foi avaliar a preval ência de mucosite, bem como os cuidados de higiene bucal ao redor de implantes e a correlação entre a faixa de gengiva queratinizado e a profundidade de sondagem nos implantes. Métodos: Foram avaliados 107 imp...
Source: RGO - Revista Gaucha de Odontologia - October 14, 2016 Category: Dentistry Source Type: research

Ground transportation accidents involving two categories of motorcyclists who transport passengers
Conclusion: The occurrence of traffic accidents was high in the two motorcycle passenger transportation categories analyzed, demonstrating that motorcycles are used to transport passengers in a risky manner.RESUMO Objetivo: Analisar a ocorr ência de acidente de transporte terrestre entre duas modalidades de motociclistas que realizam o transporte de passageiros em um município do Nordeste Brasileiro. Métodos: Nesta cidade existem dois grupos de motociclistas regulamentados, um destes trabalhava para prefeitura e outro para uma empr esa privada. Foi realizada uma entrevista por meio de um questionário para uma amostra...
Source: RGO - Revista Gaucha de Odontologia - October 14, 2016 Category: Dentistry Source Type: research

A comparative study of the effects of two carbamide peroxide bleaching agents on the structure of enamel
Conclusion: There were no differences regarding damage to the enamel between drugstore-compounded and commercial carbamide peroxide bleaching agents.RESUMO Objetivo: Comparar por microscopia eletr ônica de varredura, os efeitos sobre a superfície do esmalte de um agente clareador à base de peróxido de carbamida comercial e outro preparado em farmácia de manipulação. Métodos: Os espécimes do primeiro grupo (confeccionado em farmácias de manipulação) e do segundo grupo (peróxido d e carbamida comercial) foram tratados com peróxido de carbamida a 16% por 4 horas durante 20 dias. O terceiro grupo (controle) foi...
Source: RGO - Revista Gaucha de Odontologia - October 14, 2016 Category: Dentistry Source Type: research

Evaluation of dentistry students' knowledge on hematologic disorders
Conclusion: The level of knowledge of UESB Dentistry academics on hematological disorders is insufficient and there isn't a gradual increment of this knowledge throughout the semesters, polarized mainly in the 6th and 10th semester.RESUMO Objetivo: Verificar o n ível de conhecimento de graduandos do curso de Odontologia da UESB sobre os distúrbios hematológicos e suas implicações para o tratamento do paciente em âmbito odontológico. Métodos: Trata-se de um estudo descritivo, quantitativo e de corte transversal, onde adotou-se como instrumento de co leta de dados um questionário, composto por 16 perguntas. Os suj...
Source: RGO - Revista Gaucha de Odontologia - October 14, 2016 Category: Dentistry Source Type: research

Research on calcifications in the cervical region using panoramic and teleradiographic techniques
Conclusion: It can be concluded that the lateral and frontal teleradiographs did not contribute efficiently to the identification and location of radiopacities in the cervical region, and that the anatomic conformation interferes in the observation of the presence of radiopacity in the cervical region.RESUMO Objetivo: Avaliar a contribui ção das telerradiografias, nas normas lateral e frontal, na identificação e localização de calcificações em tecidos moles, quando comparado com as observadas em radiografia panorâmica. Métodos: Referências opacas em guta percha foram posicionadas unilateralmente, em três cabe...
Source: RGO - Revista Gaucha de Odontologia - October 14, 2016 Category: Dentistry Source Type: research

Effectiveness of photodynamic therapy on Candida species isolated from oral samples of children exposed and not exposed to HIV
Conclusion: Candida albicans was the most prevalent Candida species in these three groups and Candida non-albicans species, when combined, amounted to a significant percentage of Candida isolates. Photodynamic therapy was effective in inactivating the Candida spp. isolated from the oral cavity of children not exposed to HIV, exposed to HIV and HIV-carriers, with the best photodynamic therapy irradiation time being 282 sec.RESUMO Objetivo: Identificar esp écies de leveduras isoladas de crianças não expostas, expostas ao HIV e portadoras de AIDS, e verificar a eficácia da terapia fotodinâmica com laser de baixa potênc...
Source: RGO - Revista Gaucha de Odontologia - October 14, 2016 Category: Dentistry Source Type: research

Sella landmark variability and its effect on the Angles SNA and SNB: a comparative study
Conclusion: Identification of the Sella landmark revealed a better agreement amongst dentomaxillofacial radiologists. Orthodontists, however, showed a larger variability in S identification and, consequently, the SNA and SNB angles drifted significantly.RESUMO Objetivo: Determinar a precis ão intra e inter-observador na identificação dos pontos Sella (S), Násio (N), A e B. Também, verificar como a identificação dos pontos pode interferir nas medições angulares de SNA e SNB por ortodontistas e radiologistas odontológicos. Métodos: Vinte telerradiografias laterais digitais f oram avaliadas por cinco ortodontist...
Source: RGO - Revista Gaucha de Odontologia - October 14, 2016 Category: Dentistry Source Type: research

Factors associated with Oral Health-Related Quality of Life of preschool children in Southern Brazil
Conclusion: Poor socioeconomic and clinical conditions had a negative impact on the COHRQoL, indicating the need of preventive strategies and policies aiming at improving the quality of life of this sample.RESUMO Objetivo: Avaliar a associa ção de fatores socioeconômicos e condições clínicas na qualidade de vida relacionada à saúde bucal (COHRQoL) de crianças pré-escolares. Métodos: Um estudo transversal foi realizado com uma amostra representativa de 547 crianças de 0-5 anos de idade de Santa Maria, RS, Brasil, em 2013. O s dados foram coletados no Dia Nacional de Multivacinação Infantil por dentistas cali...
Source: RGO - Revista Gaucha de Odontologia - October 14, 2016 Category: Dentistry Source Type: research

Third molar extractions: a retrospective study of 1178 cases
Conclusion: In this study, the complication rates were low. They were more frequent in women who did not receive antibiotics. The most common complication was alveolitis.RESUMO Objetivo: Este estudo objetivou descrever os dados demogr áficos dos pacientes, posicionamento dos terceiros molares, complicações cirúrgicas, condição sistêmica, histórico de pericoronarite e antibioticoterapia e correlacionar esses achados. Métodos: Com base em radiografias panorâmicas os dentes foram classificados conforme proposto por Pell e Gregory e Winter. Foi utilizado o teste Binomial para proporções a 5% de significância. ...
Source: RGO - Revista Gaucha de Odontologia - October 14, 2016 Category: Dentistry Source Type: research