Radiographic evaluation of the curvature degree and radius in the mesiobuccal canals of maxillary first molars

Objective: Determining the curvature degree and radius and its root canals association in mesial roots of human maxillary molars of Ecuadorian population.Materials and methods: A total of 50 human maxillary first molars extracted were studied which were obtained from the Tumbaco health sub-center’s...

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Autore principale: Burbano Balseca, María José (author)
Altri autori: Cortés Naranjo, Daniel Gustavo (author), Carrillo Rengifo, Karol Jazmin (author), Espinosa Torres, Erika Elizabeth (author)
Natura: article
Lingua:spa
Pubblicazione: 2018
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Accesso online:https://revistadigital.uce.edu.ec/index.php/odontologia/article/view/1098
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Riassunto:Objective: Determining the curvature degree and radius and its root canals association in mesial roots of human maxillary molars of Ecuadorian population.Materials and methods: A total of 50 human maxillary first molars extracted were studied which were obtained from the Tumbaco health sub-center’s teeth bank, Pichincha Ecuador, facts as teeth with a previous root canal treatment, cavities, root resorptionand fracture were the exclusion criteria. Periapical films withparalleling technique were taken; the curvature degree was measured mesio-distally with the Schneider 1971 technique and the curvature radius was obtained with the technique described by Estrela 2008. The data collected were analyzed with the Mann Whitney’s U Test with significance level of 5%. Results:The curvature angle was determined as 10%, 58% and 32% for low, moderate and severe respectively;and the curvature radius was 64%, 34% and 2% for mild, moderate and severe respectively. Among the groups studied, there was a statistically significant difference between the moderate angle and the mild radius (p=0,02). Conclusion: The study found that the moderate curvature angle and mild radiusare the most frequent.