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Alternative Techniques to Remove Fractured Instrument Fragments from the Apical Third of Root Canals: Report of Two Cases
Brito-Júnior, Manoel; Normanha, João Américo; Camilo, Carla Cristina; Faria-e-Silva, André Luis; Saquy, Paulo César; Ferraz, Maria Ãngela Arêa Leão; Silva-Sousa, Yara Teresinha Correa.
  • Brito-Júnior, Manoel; UNIMONTES - State University of Montes Claros. Department of Dentistry. Montes Claros. BR
  • Normanha, João Américo; UNIMONTES - State University of Montes Claros. Department of Dentistry. Montes Claros. BR
  • Camilo, Carla Cristina; UNIMONTES - State University of Montes Claros. Department of Dentistry. Montes Claros. BR
  • Faria-e-Silva, André Luis; UNIMONTES - State University of Montes Claros. Department of Dentistry. Montes Claros. BR
  • Saquy, Paulo César; UNIMONTES - State University of Montes Claros. Department of Dentistry. Montes Claros. BR
  • Ferraz, Maria Ãngela Arêa Leão; UNIMONTES - State University of Montes Claros. Department of Dentistry. Montes Claros. BR
  • Silva-Sousa, Yara Teresinha Correa; UNIMONTES - State University of Montes Claros. Department of Dentistry. Montes Claros. BR
Braz. dent. j ; 26(1): 79-85, Jan-Feb/2015. graf
Article in English | LILACS | ID: lil-735842
ABSTRACT
This paper describes two cases of instrument fragment removal from the apical thirds of root canals using a customized extractor and a modified needle technique, respectively. In case 1, a customized extractor was manufactured to remove a bur fragment located in the apical root canal of a maxillary central incisor. The use of this extractor enabled successful and conservative removal of the instrument fragment. In case 2, a modified injection needle was used as a trepan to gain access around an instrument fragment located in the curved apical portion of the mesiobuccal canal of a mandibular molar. A segment of steel wire was inserted into the needle lumen to engage the metallic fragment, enabling its removal with counter-clockwise rotation and a simultaneous pull-out motion. Alternative and creative methods are useful for the management of intracanal metallic fragments during root canal treatment.
RESUMO
Este relato descreve dois casos de remoção de fragmentos de instrumentos de terços apicais de canais radiculares utilizando um extrator personalizado e técnica da agulha modificada, respectivamente. No Caso 1, um extrator foi fabricado para remover fragmento de broca localizado no terço apical do canal radicular de um incisivo central superior. O uso deste extrator permitiu a remoção bem sucedida e conservadora do fragmento de instrumento. No Caso 2, uma agulha para anestesia modificada foi utilizada como um trépano para ganhar acesso ao redor de um fragmento de instrumento localizado na porção apical curva do canal mésio-vestibular de um molar inferior. Um segmento de fio de aço foi inserido no lúmen da agulha para envolver o fragmento metálico, permitindo sua remoção com rotação no sentido anti-horário e simultâneo movimento de retração. Métodos alternativos e criativos são úteis para a remoção intracanal de fragmentos metálicos durante o tratamento endodôntico.
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Full text: Available Index: LILACS (Americas) Main subject: Root Canal Therapy / Foreign Bodies Limits: Child / Female / Humans Country/Region as subject: South America / Brazil Language: English Journal: Braz. dent. j Journal subject: Dentistry Year: 2015 Type: Article Affiliation country: Brazil Institution/Affiliation country: UNIMONTES - State University of Montes Claros/BR

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Full text: Available Index: LILACS (Americas) Main subject: Root Canal Therapy / Foreign Bodies Limits: Child / Female / Humans Country/Region as subject: South America / Brazil Language: English Journal: Braz. dent. j Journal subject: Dentistry Year: 2015 Type: Article Affiliation country: Brazil Institution/Affiliation country: UNIMONTES - State University of Montes Claros/BR