RESUMO
This article discusses a case of an 8-year-old female child who presented with severe lower anterior crowding and congenitally missing lower second premolars. A conventional serial extraction procedure could not be performed due to the congenital absence of teeth. Instead, planned extraction of a few primary teeth was done to relieve the lower anterior crowding, the results of which were near satisfactory.
Assuntos
Anodontia/terapia , Dente Pré-Molar/anormalidades , Má Oclusão/terapia , Extração Seriada/métodos , Criança , Arco Dental/anatomia & histologia , Feminino , Seguimentos , Humanos , Mandíbula , Odontometria/métodos , Mordida Aberta/terapia , Planejamento de Assistência ao Paciente , Técnicas de Movimentação Dentária/métodos , Dente Decíduo/cirurgiaRESUMO
This article highlights the use of two new design space regainers--the "lingual arch crossbow" and the "double-banded space regainer." The former may be used for distalizing a mesially migrated mandibular first premolar, if it erupts prior to the canine. The latter may be used in conventional cases of interdental space loss. They both contain assemblies that function through the action of NiTi open coil springs.
Assuntos
Movimento Mesial dos Dentes/terapia , Desenho de Aparelho Ortodôntico , Fios Ortodônticos , Mantenedor de Espaço em Ortodontia/instrumentação , Técnicas de Movimentação Dentária/instrumentação , Criança , Elasticidade , Humanos , Masculino , Níquel , TitânioRESUMO
The aim was to compare the vertex occlusal projection with the anterior maxillary occlusal projection in localizing the position of mesiodentes. Mesiodentes were observed in an 8-year-old boy with an anterior maxillary occlusal radiograph. A vertex occlusal radiograph was taken to compare it with the former in terms of mesiodentes localization with respect to the maxillary central incisors. The vertex occlusal radiograph provided greater details of the position and proximity of mesiodentes with respect to the long axis of maxillary central incisors in comparison to the anterior maxillary occlusal radiograph. Vertex occlusal radiography is an important diagnostic tool in diagnosing the presence, position, and proximity of mesiodentes with respect to the long axis of normally aligned maxillary central incisors. However, it is not recommended for routine use in a patient as its radiation dose is higher than conventional intraoral radiographic methods.
