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Association between Facial Type and Mandibular Canal Morphology - Analysis in Digital Panoramic Radiographs

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Zeitschriftentitel: Brazilian Dental Journal
Personen und Körperschaften: Schmidt, Ana Paula Guidi, Rossi, Ana Cláudia, Freire, Alexandre Rodrigues, Groppo, Francisco Carlos, Prado, Felippe Bevilacqua
In: Brazilian Dental Journal, 27, 2016, 5, S. 609-612
Format: E-Article
Sprache: Unbestimmt
veröffentlicht:
FapUNIFESP (SciELO)
Schlagwörter:
General Dentistry
author_facet Schmidt, Ana Paula Guidi
Rossi, Ana Cláudia
Freire, Alexandre Rodrigues
Groppo, Francisco Carlos
Prado, Felippe Bevilacqua
Schmidt, Ana Paula Guidi
Rossi, Ana Cláudia
Freire, Alexandre Rodrigues
Groppo, Francisco Carlos
Prado, Felippe Bevilacqua
author Schmidt, Ana Paula Guidi
Rossi, Ana Cláudia
Freire, Alexandre Rodrigues
Groppo, Francisco Carlos
Prado, Felippe Bevilacqua
spellingShingle Schmidt, Ana Paula Guidi
Rossi, Ana Cláudia
Freire, Alexandre Rodrigues
Groppo, Francisco Carlos
Prado, Felippe Bevilacqua
Brazilian Dental Journal
Association between Facial Type and Mandibular Canal Morphology - Analysis in Digital Panoramic Radiographs
General Dentistry
author_sort schmidt, ana paula guidi
spelling Schmidt, Ana Paula Guidi Rossi, Ana Cláudia Freire, Alexandre Rodrigues Groppo, Francisco Carlos Prado, Felippe Bevilacqua 0103-6440 FapUNIFESP (SciELO) General Dentistry http://dx.doi.org/10.1590/0103-6440201600973 <jats:p>Abstract In this study we investigate the association between facial type and mandibular canal course morphology analysing this in digital panoramic radiographs images. We used 603 digital images from panoramic radiographs. We selected only panoramic radiographs of fully dentate individuals, who had all lower molars bilaterally and with complete root formation. The sample distribution was determined by facial type and sex. The course of the mandibular canal, as seen in the panoramic radiographs, was classified into 3 types, bilaterally. The classification used was: type 1 if the mandibular canal is in contact or is positioned at most 2 mm from the root apex of the three permanent molars; type 2 if the mandibular canal is located halfway between the root apex of the three permanent molars and a half away from the mandibular basis; and type 3 if the mandibular canal is in contact with or approaches, a maximum of 2 mm from the cortical bone of the mandibular basis. For results, the data were analyzed by Chi-square test (p&lt;0.05). Data analysis (Chi-square) showed there were more canals type 2 (p=0.0012) and fewer canals type 1 (p=0.0336) in females than in males, without association with the facial types. In conclusion, the facial type does not associated with the mandibular canal course analyzed.</jats:p> Association between Facial Type and Mandibular Canal Morphology - Analysis in Digital Panoramic Radiographs Brazilian Dental Journal
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title Association between Facial Type and Mandibular Canal Morphology - Analysis in Digital Panoramic Radiographs
title_unstemmed Association between Facial Type and Mandibular Canal Morphology - Analysis in Digital Panoramic Radiographs
title_full Association between Facial Type and Mandibular Canal Morphology - Analysis in Digital Panoramic Radiographs
title_fullStr Association between Facial Type and Mandibular Canal Morphology - Analysis in Digital Panoramic Radiographs
title_full_unstemmed Association between Facial Type and Mandibular Canal Morphology - Analysis in Digital Panoramic Radiographs
title_short Association between Facial Type and Mandibular Canal Morphology - Analysis in Digital Panoramic Radiographs
title_sort association between facial type and mandibular canal morphology - analysis in digital panoramic radiographs
topic General Dentistry
url http://dx.doi.org/10.1590/0103-6440201600973
publishDate 2016
physical 609-612
description <jats:p>Abstract In this study we investigate the association between facial type and mandibular canal course morphology analysing this in digital panoramic radiographs images. We used 603 digital images from panoramic radiographs. We selected only panoramic radiographs of fully dentate individuals, who had all lower molars bilaterally and with complete root formation. The sample distribution was determined by facial type and sex. The course of the mandibular canal, as seen in the panoramic radiographs, was classified into 3 types, bilaterally. The classification used was: type 1 if the mandibular canal is in contact or is positioned at most 2 mm from the root apex of the three permanent molars; type 2 if the mandibular canal is located halfway between the root apex of the three permanent molars and a half away from the mandibular basis; and type 3 if the mandibular canal is in contact with or approaches, a maximum of 2 mm from the cortical bone of the mandibular basis. For results, the data were analyzed by Chi-square test (p&lt;0.05). Data analysis (Chi-square) showed there were more canals type 2 (p=0.0012) and fewer canals type 1 (p=0.0336) in females than in males, without association with the facial types. In conclusion, the facial type does not associated with the mandibular canal course analyzed.</jats:p>
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author Schmidt, Ana Paula Guidi, Rossi, Ana Cláudia, Freire, Alexandre Rodrigues, Groppo, Francisco Carlos, Prado, Felippe Bevilacqua
author_facet Schmidt, Ana Paula Guidi, Rossi, Ana Cláudia, Freire, Alexandre Rodrigues, Groppo, Francisco Carlos, Prado, Felippe Bevilacqua, Schmidt, Ana Paula Guidi, Rossi, Ana Cláudia, Freire, Alexandre Rodrigues, Groppo, Francisco Carlos, Prado, Felippe Bevilacqua
author_sort schmidt, ana paula guidi
container_issue 5
container_start_page 609
container_title Brazilian Dental Journal
container_volume 27
description <jats:p>Abstract In this study we investigate the association between facial type and mandibular canal course morphology analysing this in digital panoramic radiographs images. We used 603 digital images from panoramic radiographs. We selected only panoramic radiographs of fully dentate individuals, who had all lower molars bilaterally and with complete root formation. The sample distribution was determined by facial type and sex. The course of the mandibular canal, as seen in the panoramic radiographs, was classified into 3 types, bilaterally. The classification used was: type 1 if the mandibular canal is in contact or is positioned at most 2 mm from the root apex of the three permanent molars; type 2 if the mandibular canal is located halfway between the root apex of the three permanent molars and a half away from the mandibular basis; and type 3 if the mandibular canal is in contact with or approaches, a maximum of 2 mm from the cortical bone of the mandibular basis. For results, the data were analyzed by Chi-square test (p&lt;0.05). Data analysis (Chi-square) showed there were more canals type 2 (p=0.0012) and fewer canals type 1 (p=0.0336) in females than in males, without association with the facial types. In conclusion, the facial type does not associated with the mandibular canal course analyzed.</jats:p>
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spelling Schmidt, Ana Paula Guidi Rossi, Ana Cláudia Freire, Alexandre Rodrigues Groppo, Francisco Carlos Prado, Felippe Bevilacqua 0103-6440 FapUNIFESP (SciELO) General Dentistry http://dx.doi.org/10.1590/0103-6440201600973 <jats:p>Abstract In this study we investigate the association between facial type and mandibular canal course morphology analysing this in digital panoramic radiographs images. We used 603 digital images from panoramic radiographs. We selected only panoramic radiographs of fully dentate individuals, who had all lower molars bilaterally and with complete root formation. The sample distribution was determined by facial type and sex. The course of the mandibular canal, as seen in the panoramic radiographs, was classified into 3 types, bilaterally. The classification used was: type 1 if the mandibular canal is in contact or is positioned at most 2 mm from the root apex of the three permanent molars; type 2 if the mandibular canal is located halfway between the root apex of the three permanent molars and a half away from the mandibular basis; and type 3 if the mandibular canal is in contact with or approaches, a maximum of 2 mm from the cortical bone of the mandibular basis. For results, the data were analyzed by Chi-square test (p&lt;0.05). Data analysis (Chi-square) showed there were more canals type 2 (p=0.0012) and fewer canals type 1 (p=0.0336) in females than in males, without association with the facial types. In conclusion, the facial type does not associated with the mandibular canal course analyzed.</jats:p> Association between Facial Type and Mandibular Canal Morphology - Analysis in Digital Panoramic Radiographs Brazilian Dental Journal
spellingShingle Schmidt, Ana Paula Guidi, Rossi, Ana Cláudia, Freire, Alexandre Rodrigues, Groppo, Francisco Carlos, Prado, Felippe Bevilacqua, Brazilian Dental Journal, Association between Facial Type and Mandibular Canal Morphology - Analysis in Digital Panoramic Radiographs, General Dentistry
title Association between Facial Type and Mandibular Canal Morphology - Analysis in Digital Panoramic Radiographs
title_full Association between Facial Type and Mandibular Canal Morphology - Analysis in Digital Panoramic Radiographs
title_fullStr Association between Facial Type and Mandibular Canal Morphology - Analysis in Digital Panoramic Radiographs
title_full_unstemmed Association between Facial Type and Mandibular Canal Morphology - Analysis in Digital Panoramic Radiographs
title_short Association between Facial Type and Mandibular Canal Morphology - Analysis in Digital Panoramic Radiographs
title_sort association between facial type and mandibular canal morphology - analysis in digital panoramic radiographs
title_unstemmed Association between Facial Type and Mandibular Canal Morphology - Analysis in Digital Panoramic Radiographs
topic General Dentistry
url http://dx.doi.org/10.1590/0103-6440201600973