About: Retrograde Instrumentation of Surgically Resected Roots Using Controlled Memory Files: A Human Cadaver Study

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An Entity of Type : schema:ScholarlyArticle, within Data Space : covidontheweb.inria.fr associated with source document(s)

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Retrograde Instrumentation of Surgically Resected Roots Using Controlled Memory Files: A Human Cadaver Study
Creator	Hargreaves, Kenneth Augsburger, Robert Daigle, Francesca Hatzke, Matthew Jalali, Poorya Kesterke, Matthew
topic	covid:98e4897f897dc42c8dc56b1a8a31b8e853315faa#this
Source	Elsevier; Medline; PMC
abstract	INTRODUCTION: The purpose of this study is to evaluate the amount of residual obturation material of retroinstrumented surgically resected roots using controlled memory (CM) files and to evaluate the incidence of adverse treatment outcomes. METHODS: Thirty maxillary anterior teeth in human cadavers were selected and non-surgical root canal treatment was performed on these teeth. A standardized 4-mm osteotomy and a 3-mm root resection with as close to a zero-degree bevel as possible was made on each tooth. A microsurgical diamond tip was used to create a 1-2 mm starting point for each retropreparation. A 25/06 and 30/06 VTaper 2H (SS White, Lakewood, NJ) were bent at a about 90-degree angle to mimic the clinical and anatomical restrictions and used to create a retropreparation to a depth of 14-mm. Micro-CT scans were taken and analyzed for volume and percentage of residual obturation material at 5- and 10-mm. Additionally, the incidence of instrument separation and crack and ledge formation in the teeth were recorded. RESULTS: The median volume of residual obturation at 5- and 10-mm was 0.18 mm(3) (interquartile range of 0.36 mm(3)), and 1.97 mm(3) (interquartile range of 1.99 mm(3)) respectively. The overall incidence of file separation during retropreparation was 13.33% (4/30). Among the cases analyzed with micro-CT, none showed crack or ledge formation. CONCLUSIONS: Retroinstrumentation of surgically resected roots using controlled memory files cleans the canal effectively with relatively low adverse treatment outcomes. This novel technique, while limited in application, is a safe and effective way to achieve a deep, clean retropreparation.
has issue date	2020-06-15(xsd:dateTime)
bibo:doi	10.1016/j.joen.2020.05.023
bibo:pmid	32553877
has license	no-cc
sha1sum (hex)	98e4897f897dc42c8dc56b1a8a31b8e853315faa
schema:url	https://doi.org/10.1016/j.joen.2020.05.023
resource representing a document's title	Retrograde Instrumentation of Surgically Resected Roots Using Controlled Memory Files: A Human Cadaver Study
has PubMed Central identifier	PMC7295473
has PubMed identifier	32553877
schema:publication	J Endod
resource representing a document's body	covid:98e4897f897dc42c8dc56b1a8a31b8e853315faa#body_text
is http://vocab.deri.ie/void#inDataset of	proxy:http/ns.inria.fr/covid19/98e4897f897dc42c8dc56b1a8a31b8e853315faa
is schema:about of	named entity 'residual' named entity 'memory' named entity 'Roots' named entity 'LEDGE' named entity 'MEMORY' named entity 'ANALYZED' named entity 'ABOUT' named entity 'teeth' named entity 'create' named entity 'interquartile range' named entity 'adverse' named entity 'adverse' named entity 'cleans' named entity 'human' named entity 'separation' named entity 'bent' named entity 'angle' named entity 'Memory' named entity 'micro-CT' named entity 'interquartile range' named entity 'human cadavers' named entity 'root canal treatment' named entity 'obturation' named entity 'Resected' named entity 'debride' named entity 'obturation' named entity 'nickel titanium' named entity 'cadaver' named entity 'endodontic' named entity 'obturation' named entity 'computed tomographic' named entity 'etiological' named entity 'periapical' named entity 'osteotomy' named entity 'endodontic' named entity 'endodontic' named entity 'obturation' named entity 'osteotomy' named entity 'pathogenic bacteria' named entity 'Earth City' named entity 'premolars' named entity 'obturation' named entity 'control group' named entity 'interquartile range' named entity 'dentin' named entity 'morphology' named entity 'crack formation' named entity 'ultrasonic instrumentation' named entity 'obturation' named entity 'bacteria' named entity 'soft tissue flap' named entity 'obturation' named entity 'Texas A&M College' named entity 'ProMark' named entity 'Dentsply' named entity 'endodontic' named entity 'dentin' named entity 'surgical treatment' named entity 'experimental procedure' named entity 'endodontic' named entity 'periapical disease' named entity 'fatigue' named entity 'anecdotal evidence' named entity 'endodontic' named entity 'NaOCl' named entity 'saline' named entity 'radiographic' named entity 'adverse event' named entity 'Micro-CT' named entity 'endodontic' named entity 'resin' named entity 'orthograde' named entity 'nickel' named entity 'endodontic'

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