Tratamento da má oclusão de classe II com aparelho Jasper Jumper

The Jasper Jumper appliance was developed as a fixed orthopedic device that is connected to the upper and lower leveling arches to promote the Class II correction by restricting the maxillary growth (headgear effect), mandibular growth inducement (activator effect) and dentoalveolar changes.

Tratamento da má oclusão de classe II, divisão 1, na dentadura mista com apareljo extrabucal removivel

Extraoral appliances represent an alternative for correction of Class II malocclusions. The application of external force leads to tooth movement and influence the growth of the maxillomandibular complex. This article aims to present the removable headgear as an adjuvant in the treatment of Class II division 1 in the mixed dentition.

Carcinoma de células escamosas de grandes proporções

The oral and oropharyngeal cancer is aggressive and, in Brazil, the incidence is considered one of the world’s tallest, the most common of head and neck. It affects males more intensively and 70% of cases are in adults over 50 years of age. It is located usually on the floor of the mouth and tongue. Therefore, the purpose of this study is to report a case of male patient, 78 years of age, leukoderma who sought hospital care. Reported frequent smoking and alcoholism. On physical examination headgear, there was the presence of lymph node fixed, painless 1.5 to 2 cm in diameter in the submandibular region. Physical examination intraoral ulcer was found at about 5 cm at its greatest extent, localized to the left oral floor region of the oropharynx, reddish, hardened edges, surface and bottom corrugated carton. The differential diagnosis suggested was traumatic ulcer, paracoccidioidomycosis and squamous cell carcinoma. The approach employed was obtained by incisional biopsy and the piece sent to histopathological analysis, confirming the case of squamous cell carcinoma. The treatment consisted in clarifying the patient about the disease and the need to search for an oncology center. It is concluded that the oral clinical examination is accurate in all major injuries to mouth, even if the chief complaint does not focus on this. In individuals at high risk examination should be systematic and individuals with suspicious lesions should be referred to specialist consultation.

Simplificação no tratamento da fratura de ângulo mandibular por meio do acesso intrabucal

Mandibular fractures are the injury most commonly found in the facial bones. They have varied etiology, such as automobile, motorcycle and cycling accidents, physical abuse and falls. The choice of treatment of mandibular fractures most often employed is the reduction and fixation of bone fragments. Regarding fractures involving the mandibular angle, access headgear is the most widely used, in view of the action of masticatory muscles causing greater displacement of fractured stumps. Therefore, the proposal to introduce a conservative approach and facilitated for the treatment of fractures of the mandibular angle, as well as to demystify the contraindication to intraoral approach cases unfavorable fracture displacement, this work is to report a clinical casesurgical mandibular angle fracture, treated by intraoral approach. The fracture was fixed with two plates, one following the external oblique line system (1.5 mm) and a lower system (2.0 mm), with the help of percutaneous trocar. This approach is very promising for these cases, in order to ease the technical as well as by reducing the technical complications of extraoral approach.

Cephalometric effects of the use of 10-hour Force Theory for Class II treatment

OBJECTIVE: This study aimed to evaluate the cephalometric effects promoted by the orthodontic treatment of Class II malocclusion patients with the use of the 10-Hour Force Theory, that consists in the use of fixed appliances with 8 hours a day using a cervical headgear appliance and 16 hours a day using Class II elastics, 8 hours on the first mandibular molar and 8 hours in the second mandibular molar. METHODS: Sample comprised 31 patients with mean initial age of 14.90 years, final mean age of 17.25 years and mean treatment time of 2.35 years. The lateral cephalograms in pre-treatment and post-treatment stages were evaluated. Evaluation of cephalometric changes between initial and final treatment phases was performed by paired t test. RESULTS: The cases treated with the 10-Hour Force Theory presented a slight restriction of anterior displacement of the maxilla, increase in the effective length of the mandible, significant improvement of the maxillomandibular relationship, significant increase in anterior lower face height, distal tipping of the maxillary premolar crowns, extrusion and distal tipping of the roots of maxillary molars, significant proclination and protrusion of mandibular incisors, significant extrusion and mesialization of mandibular molars, besides a significant correction of the molar relationship, overjet and overbite. CONCLUSION: The use of the 10-Hour Force Theory in treatment of Class II malocclusion provided satisfactory results.

Influence of treatment with and without extractions on the growth pattern of dolichofacial patients

OBJECTIVE: The objective of this retrospective study was to compare, by means of lateral cephalograms, the facial growth pattern changes due to the treatment with and without extractions of four first premolars in dolichofacial individuals. METHODS: Groups 1 and 2 were constituted of 23 dolichofacial patients each, with Class II malocclusion, division 1 and initial age average of 12.36 and 12.29 years, respectively. Patients from Group 1 were treated without extractions and Group 2 was treated with extraction of the four first premolars, given that both used occipital headgear. Groups were compatibilized according to age, treatment period, gender and malocclusion severity. The t test was applied for intergroups comparison. RESULTS: Most variables (SN.PP, SN.Ocl and FMA) did not present statistically significant difference between groups. CONCLUSION: Although the treatment with extractions tend to reduce the mandibular plane angle (SN.GoGn) and the facial axis (NS.Gn), the analyzed treatment protocols did not affect in a clinically relevant way the facial growth pattern.

Temporary anchorage device usage: a survey among Swiss orthodontists.

BACKGROUND The aim of the survey was to obtain information on the treatment plan preferences, mechanics and characteristics of temporary anchorage device (TAD) application using a single case presented to orthodontists in Switzerland. METHODS A structured questionnaire to be completed by all study participants with case-specific (treatment plan including mechanics and TAD usage) and general questions (general fixed appliance and TAD usage as well as professional, educational and demographic questions) together with an orthodontic borderline case was utilised. The case was a female adult with dental Class II/2, deep bite and maxillary anterior crowing, who had been treated in childhood with extraction of four premolars and fixed appliance followed by wisdom tooth extraction. RESULTS The response rate was 24.4% (108 out of 443). The majority (96.3%, 104) proposed comprehensive treatment, while 3.7% (4) planned only alignment of maxillary teeth. 8.3% (9) included a surgical approach in their treatment plan. An additional 0.9% (1) combined the surgical approach with Class II mechanics. 75.1% (81) decided on distalization on the maxilla using TADs, 7.4% (8) planned various types of Class II appliances and 3.7% (4) combined distalization using TADs or headgear with Class II appliances and surgery. Palatal implants were the most popular choice (70.6%, 60), followed by mini-screws (22.4%, 19) and mini-plates on the infrazygomatic crests (7.0%, 6). The preferred site of TAD insertion showed more variation in sagittal than in transversal dimension, and the median size of mini-screws used was 10.0-mm long (interquartile range (IQR) 2.3 mm) and 2.0-mm wide (IQR 0.3 mm). CONCLUSIONS Distalization against palatal implants and then distalization against mini-screws were the most popular treatment plans. Preferred site for TAD insertion varied depending on type and size but varied more widely in the sagittal than in the transversal dimension.

Avaliação Comparativa da Contenção de Molares Superiores Distalizados Realizada por Meio da Placa Lábio-Ativa ou Aparelho Extrabucal

O objetivo deste estudo foi comparar cefalometricamente os efeitos dentários promovidos pelo aparelho extrabucal e com a placa lábio-ativa, instalados para a contenção dos molares superiores distalizados previamente com a placa de Cetlin associada ao aparelho extrabucal. A amostra consistiu de 40 telerradiografias em norma lateral, obtidas de 20 pacientes, sendo 6 do sexo masculino e 14 do sexo feminino, com idade média de 11 anos e 7 meses, tratados por um período médio de 14 meses e 10 dias. Após a distalização, que foi feita com a placa de Cetlin associada ao aparelho extrabucal cérvico-occipital, estes pacientes foram divididos aleatoriamente em dois grupos, onde o grupo AEB utilizou o próprio aparelho extrabucal de uso noturno e o grupo PLA utilizou uma placa lábio-ativa superior em período integral, ambos os aparelhos para conter os primeiros molares superiores distalizados durante a fase de alinhamento e nivelamento dentários. Após a análise estatística, verificou-se que no grupo AEB os molares superiores apresentaram apenas uma inclinação para mesial em média de 8,220 . Já os incisivos superiores inclinaram para lingual, em média, 3,330. No grupo PLA, os molares apresentaram extrusão de, em média, 1,82 mm; mesialização de 3,14 mm; e inclinação para mesial de 8,320; já os incisivos inclinaram para lingual 5,780, em média. Ao comparar os resultados dos grupos entre si, verificou-se que não houve diferença estatisticamente significante entre os aparelhos utilizados. Portanto, tanto o aparelho extrabucal, como a placa lábio-ativa apresentaram-se eficazes para a contenção dos molares superiores distalizados durante as fases de alinhamento e nivelamento dentários.

Avaliação Comparativa da Contenção de Molares Superiores Distalizados Realizada por Meio da Placa Lábio-Ativa ou Aparelho Extrabucal

O objetivo deste estudo foi comparar cefalometricamente os efeitos dentários promovidos pelo aparelho extrabucal e com a placa lábio-ativa, instalados para a contenção dos molares superiores distalizados previamente com a placa de Cetlin associada ao aparelho extrabucal. A amostra consistiu de 40 telerradiografias em norma lateral, obtidas de 20 pacientes, sendo 6 do sexo masculino e 14 do sexo feminino, com idade média de 11 anos e 7 meses, tratados por um período médio de 14 meses e 10 dias. Após a distalização, que foi feita com a placa de Cetlin associada ao aparelho extrabucal cérvico-occipital, estes pacientes foram divididos aleatoriamente em dois grupos, onde o grupo AEB utilizou o próprio aparelho extrabucal de uso noturno e o grupo PLA utilizou uma placa lábio-ativa superior em período integral, ambos os aparelhos para conter os primeiros molares superiores distalizados durante a fase de alinhamento e nivelamento dentários. Após a análise estatística, verificou-se que no grupo AEB os molares superiores apresentaram apenas uma inclinação para mesial em média de 8,220 . Já os incisivos superiores inclinaram para lingual, em média, 3,330. No grupo PLA, os molares apresentaram extrusão de, em média, 1,82 mm; mesialização de 3,14 mm; e inclinação para mesial de 8,320; já os incisivos inclinaram para lingual 5,780, em média. Ao comparar os resultados dos grupos entre si, verificou-se que não houve diferença estatisticamente significante entre os aparelhos utilizados. Portanto, tanto o aparelho extrabucal, como a placa lábio-ativa apresentaram-se eficazes para a contenção dos molares superiores distalizados durante as fases de alinhamento e nivelamento dentários.

Estudo cefalométrico das alterações produzidas pela utilização da placa distalizadora de Cetlin associada à ancoragem extrabucal

Esta pesquisa objetivou estudar cefalometricamente as estruturas dento-esqueléticas em pacientes com má oclusão de Classe II, 1º divisão, tratados por meio da distalização dos primeiros molares superiores. Foi utilizado como mecanismo distalizador a placa de Cetlin, associada à ancoragem extrabucal cérvico-occipital, até a obtenção da relação molar normal de Classe I, com ligeira sobrecorreção. A amostra deste estudo consistiu em 40 telerradiografias em norma lateral, 20 tomadas ao início do tratamento e 20 após a distalização dos molares, obtidas de 20 jovens, sendo, 6 do sexo feminino e, 14 do sexo masculino, com idade média de 11 anos e 2 meses, tratados por um período médio de 6 meses e 28 dias. Após a análise estatística do teste t pareado das mensurações obtidas, observou-se que o tratamento não influenciou significamente a maxila e mandíbula, no sentido vertical. Os primeiros molares superiores foram distalizados 3,45mm, em média, sendo que suas raízes distalizaram em média, 2,45mm, ou seja, houve uma inclinação para distal de 4,08°, em relação ao plano palatino. Um efeito adverso encontrado com relação à mecânica empregada foi a perda da ancoragem anterior, que acarretou um movimento de inclinação para vestibular dos incisivos superiores de 4,35°, com protusão de 1,7mm. A correção da relação molar de Classe II ocorreu em todos os pacientes, sendo uma técnica eficaz, porém necessitando de extrema colaboração dos pacientes e controle sobre os vetores de força aplicados aos dentes. (AU)

Hâzâ Risâle-yi esrâr-ı tarîk : manuscript, [1827]

Treatise on mysticism in question-and-answer form. Treatise attributes origins of the headgear to the Prophet Muḥammad.

Avaliação Comparativa da Contenção de Molares Superiores Distalizados Realizada por Meio da Placa Lábio-Ativa ou Aparelho Extrabucal

O objetivo deste estudo foi comparar cefalometricamente os efeitos dentários promovidos pelo aparelho extrabucal e com a placa lábio-ativa, instalados para a contenção dos molares superiores distalizados previamente com a placa de Cetlin associada ao aparelho extrabucal. A amostra consistiu de 40 telerradiografias em norma lateral, obtidas de 20 pacientes, sendo 6 do sexo masculino e 14 do sexo feminino, com idade média de 11 anos e 7 meses, tratados por um período médio de 14 meses e 10 dias. Após a distalização, que foi feita com a placa de Cetlin associada ao aparelho extrabucal cérvico-occipital, estes pacientes foram divididos aleatoriamente em dois grupos, onde o grupo AEB utilizou o próprio aparelho extrabucal de uso noturno e o grupo PLA utilizou uma placa lábio-ativa superior em período integral, ambos os aparelhos para conter os primeiros molares superiores distalizados durante a fase de alinhamento e nivelamento dentários. Após a análise estatística, verificou-se que no grupo AEB os molares superiores apresentaram apenas uma inclinação para mesial em média de 8,220 . Já os incisivos superiores inclinaram para lingual, em média, 3,330. No grupo PLA, os molares apresentaram extrusão de, em média, 1,82 mm; mesialização de 3,14 mm; e inclinação para mesial de 8,320; já os incisivos inclinaram para lingual 5,780, em média. Ao comparar os resultados dos grupos entre si, verificou-se que não houve diferença estatisticamente significante entre os aparelhos utilizados. Portanto, tanto o aparelho extrabucal, como a placa lábio-ativa apresentaram-se eficazes para a contenção dos molares superiores distalizados durante as fases de alinhamento e nivelamento dentários.

Sunray etched Visors for the Jamaican Olympic Team in three colours: yellow, green and black

Design for visors for the delegation from Jamaica to the London Olympic Games 2012. This design was commissioned by PUMA 2012 based on McLean's designs featured in the website House of Flora, which functions as a space of display, archive, folio, point of sale and dissemination. The McLean standard design for visors is a component of the avant garde, pret a porter millinery, accessory design collections, and stylistically customised for the Jamaican team. McLean's oeuvre is original in its integration of the experimental traditions of art school workshop culture with the professional demands of fashion manufacture and trade culture. Combining the innovation of the postmodern urban artisan with the exacting demands of industrial production, dissemination and distribution McLean's design work spans the disparate worlds of national art collections such as the Victoria and Albert Museum (A Hat Anthology Exhibition, and catalogue 2009), London Design Museum ( Fifty Hats that Changed the World 2009). Integrating design considerations of multiple and mass production with the stylistic considerations of the studio workshop McLean brings the wit of the avant garde urban artisan to the structures and systems of fashion industry. The designs reach to a global audience as product users, as well as to the international connoisseurship of crafts and design specialists. The rigour of McLean's research and innovation is evident in the specificity of the stylistic references made through her selection of materials, processes, form, colour and symbolism. A range of cultural references cite the rich fusion of early twentieth century modernist culture in which the disparate worlds of popular, proletarian, culture fertilised the stylistic austerity of high modern formalism. McLean here considers the relationship between millinery and coiffure, following from the millinery piece featured in (Marcel bobbed hairpiece hat), and now brings the considerations of ethnic difference to bear on her design. Afro hair brings user group specificity to the milliner, and the visor design is a resolution of function and style for both protection and display. Connoting the sartorial conventions of workwear headgear, rather than the nineteenth century colonial 'cricketer's' cap, or the twentieth century US 'baseball' peaked cap, McLean's 'Jamaican Olympic Visor' brings distinctively postcolonial meaning to the cultural profile of the heterotopic media space. Designing for the popular culture of Olympic sports, televised and broadcast to global audiences, brings new forms of agency to the fashion designer, and McLan's design deploys a style that is widely recognisable from other popular culture's film and TV depictions of workwear to mark the distinctive tradition of supremacy that black athletes bring to the European traditions of cultural heritage. Supplanting the Arcadian 'laurels' with which winners are, traditionally, crowned, McLean's visor design innovation, suggests that it is not impossible to challenge and transform apparently timeless hierarchies of power and supremacy, so that ex-slaves may also become victors. McLean's fashion designs all work within this reach of fashion towards the carnivalesque inversion of social orderliness through play, display and sartorial activism.