2007
DOI: 10.1590/s1678-77572007000100014
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In vitro evaluation of root canal preparation using oscillatory and rotary systems in flattened root canals

Abstract: Objective:The aim of this study was to evaluate the biomechanical preparation of flattened root canals using the following systems: Endo-Eze AET stainless steel oscillatory instruments (Ultradent) and RaCe rotary NiTi instruments (FKG Dentaire).Materials and Methods:Twenty extracted human mandibular incisors were randomly assigned to two groups: Group 1 - Instrumentation with oscillatory Endo-Eze AET files (oscillatory technique); Group 2 - Instrumentation with rotary NiTi RaCe files (rotary technique). The te… Show more

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Cited by 15 publications
(20 citation statements)
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“…Nevertheless, anatomical diversity, such as those found in flattened canals, may hinder therapy, often leading to failure. (13)(14)(15)(16) Flattened or oval canals studies use the mesial root of molars (17,18) or mandibular incisors. (5,10,19,20) Extracted mandibular incisors were used in this study by having a pronounced flattening on the mesiodistal direction, which can generate a second canal lingually located to the main one, as well as the occurrence of severely flattened canals, with elongated cross-section, being the biggest diameter on the buco-lingual direction.…”
Section: Discussionmentioning
confidence: 99%
“…Nevertheless, anatomical diversity, such as those found in flattened canals, may hinder therapy, often leading to failure. (13)(14)(15)(16) Flattened or oval canals studies use the mesial root of molars (17,18) or mandibular incisors. (5,10,19,20) Extracted mandibular incisors were used in this study by having a pronounced flattening on the mesiodistal direction, which can generate a second canal lingually located to the main one, as well as the occurrence of severely flattened canals, with elongated cross-section, being the biggest diameter on the buco-lingual direction.…”
Section: Discussionmentioning
confidence: 99%
“…Esse sistema foi selecionado pelo fato do produto apresentar a proposta de realizar uma preparo do canal radicular anatômico (Palo et al, 2005;Rasquin et al, 2007). Esse conceito é interessante para os dentes decíduos que possuem uma anatomia interna peculiar, pois proporciona um preparo respeitando a anatomia inicial do canal (Palo et al, 2005;Rasquin et al, 2007).…”
Section: Discussionunclassified
“…Esse sistema foi selecionado pelo fato do produto apresentar a proposta de realizar uma preparo do canal radicular anatômico (Palo et al, 2005;Rasquin et al, 2007). Esse conceito é interessante para os dentes decíduos que possuem uma anatomia interna peculiar, pois proporciona um preparo respeitando a anatomia inicial do canal (Palo et al, 2005;Rasquin et al, 2007). Além disso, a preocupação com região apical dos dentes decíduos é menor, pelo fato das limas utilizadas apresentarem uma proposta de aumento significativo na conicidade, mas não no diâmetro da ponta, o que melhor respeitaria a região apical (Palo et al, 2005;Rasquin et al, 2007).…”
Section: Discussionunclassified
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