科研之友
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摘要
Geminate teeth are anomalies arising from the attempt of the division of a only one germ, characterized by invagination and resulting in incomplete formation of two teeth. In general, it presents two crowns, totally or partially separated, with one root and one root canal. Female patient, 8 years old, Asian descent (Chinese), attended a private clinic (Odemira Dental Clinic) in Odemira, Portugal, for a routine consult. At intraoral clinical examination differentiated coronary anatomy, of the tooth 83 was found , with the presence of a bifid crown in which there was a central groove that came from the cemento-enamel junction. The radiographic exam revealed the presence of only one wide root canal, and two separate pulp cavities, each one corresponding to a portion of the bifid crown. There was also, its permanent successor, with similar radiographic features In our case we could observe the alteration in the inferior canine of both dentition with a bifid crown and radiographically only one root as well as only one root canal with two pulp cavities. Los dientes geminados son anomal赤as derivadas del intento de divisi車n de un solo germen, que se caracteriza por la invaginaci車n y provoca la formaci車n incompleta de dos dientes. En general, el diente presenta dos coronas, total o parcialmente separadas, con una sola ra赤z y un conducto radicular. Paciente mujer de 8 a os de edad, ascendencia asi芍tica (China), asisti車 a una cl赤nica privada (Cl赤nica Dental Odemira) en Odemira, Portugal, por una consulta de rutina. Al examen cl赤nico intraoral se encontr車 una diferencia anat車mica coronaria, del diente 8.3, con la presencia de una corona b赤fida en la cual hab赤a un surco central desde la uni車n cemento-esmalte. El examen radiogr芍fico revel車 la presencia de un solo conducto radicular, ancho, y dos cavidades pulpares separadas, cada una correspondiente a una parte de la corona b赤fida. Adem芍s se encontr車 su sucesor permanente, con similares caracter赤sticas radiol車gicas. En nuestro caso, pudimos observar la alteraci車n en el canino inferior de la dentici車n, tanto con una corona b赤fida y una sola ra赤z radiogr芍ficamente, as赤 como un solo canal de la ra赤z con dos cavidades pulpares.
