Micro-Computed Tomographic Analysis of Apical Foramen Enlargement of Mature Teeth: A Cadaveric Study

ABSTRACT: Revitalization procedures have been extensively studied during the last decade and offers several advantages over root canal treatment, such as the recovery of the natural immune system. Mature teeth have a small apical foramen diameter (AFD), which could impair the ingrowth of tissue into...

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Autores principales:	Bucchi,Cristina, de-Anta,Josep Maria, Manzanares-Céspedes,María Cristina
Lenguaje:	English
Publicado:	Universidad de La Frontera. Facultad de Medicina 2020
Materias:	regenerative endodontics revitalization mature teeth apical foramen enlargement
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-381X2020000200177
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spelling	oai:scielo:S0718-381X20200002001772020-02-27Micro-Computed Tomographic Analysis of Apical Foramen Enlargement of Mature Teeth: A Cadaveric StudyBucchi,Cristinade-Anta,Josep MariaManzanares-Céspedes,María Cristina regenerative endodontics revitalization mature teeth apical foramen enlargement ABSTRACT: Revitalization procedures have been extensively studied during the last decade and offers several advantages over root canal treatment, such as the recovery of the natural immune system. Mature teeth have a small apical foramen diameter (AFD), which could impair the ingrowth of tissue into the root canal. We analysed three methods for apical foramen enlargement by instrumentation in in situ human teeth and evaluated the damage over hard tissues produced by the techniques. Tooth length (TL), defined as the length from the most coronal part of the crown to the point at which the file abandons the root canal, was calculated. Forty-four in situ teeth were randomized: Group I: instrumentation 0.5 mm coronal to TL; Group II: at TL level; Group III: 0.5 mm beyond TL. Teeth were instrumented up to K-file #80. The mandibles were scanned in a micro-CT device before and after treatment. Group I: Only 20 % of teeth presented an enlarged AFD, with augmentation of 0.09 mm. No damage to hard tissues was observed. Group II: 71.4 % of the teeth presented an enlarged AFD with augmentation of 0.42 mm. 35.7 % presented damage to periapical tissues. Group III: 86.7 % presented an enlarged AFD with augmentation of 0.43 mm. 46.7 % presented damage to periapical tissues. All groups presented similar prevalence of teeth with dentine thickness less than 1mm. All mandibular incisors presented areas of thickness less than 1mm. Instrumentation 0.5 mm beyond TL is the most effective technique.info:eu-repo/semantics/openAccessUniversidad de La Frontera. Facultad de MedicinaInternational journal of odontostomatology v.14 n.2 20202020-06-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-381X2020000200177en10.4067/S0718-381X2020000200177
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	regenerative endodontics revitalization mature teeth apical foramen enlargement
spellingShingle	regenerative endodontics revitalization mature teeth apical foramen enlargement Bucchi,Cristina de-Anta,Josep Maria Manzanares-Céspedes,María Cristina Micro-Computed Tomographic Analysis of Apical Foramen Enlargement of Mature Teeth: A Cadaveric Study
description	ABSTRACT: Revitalization procedures have been extensively studied during the last decade and offers several advantages over root canal treatment, such as the recovery of the natural immune system. Mature teeth have a small apical foramen diameter (AFD), which could impair the ingrowth of tissue into the root canal. We analysed three methods for apical foramen enlargement by instrumentation in in situ human teeth and evaluated the damage over hard tissues produced by the techniques. Tooth length (TL), defined as the length from the most coronal part of the crown to the point at which the file abandons the root canal, was calculated. Forty-four in situ teeth were randomized: Group I: instrumentation 0.5 mm coronal to TL; Group II: at TL level; Group III: 0.5 mm beyond TL. Teeth were instrumented up to K-file #80. The mandibles were scanned in a micro-CT device before and after treatment. Group I: Only 20 % of teeth presented an enlarged AFD, with augmentation of 0.09 mm. No damage to hard tissues was observed. Group II: 71.4 % of the teeth presented an enlarged AFD with augmentation of 0.42 mm. 35.7 % presented damage to periapical tissues. Group III: 86.7 % presented an enlarged AFD with augmentation of 0.43 mm. 46.7 % presented damage to periapical tissues. All groups presented similar prevalence of teeth with dentine thickness less than 1mm. All mandibular incisors presented areas of thickness less than 1mm. Instrumentation 0.5 mm beyond TL is the most effective technique.
author	Bucchi,Cristina de-Anta,Josep Maria Manzanares-Céspedes,María Cristina
author_facet	Bucchi,Cristina de-Anta,Josep Maria Manzanares-Céspedes,María Cristina
author_sort	Bucchi,Cristina
title	Micro-Computed Tomographic Analysis of Apical Foramen Enlargement of Mature Teeth: A Cadaveric Study
title_short	Micro-Computed Tomographic Analysis of Apical Foramen Enlargement of Mature Teeth: A Cadaveric Study
title_full	Micro-Computed Tomographic Analysis of Apical Foramen Enlargement of Mature Teeth: A Cadaveric Study
title_fullStr	Micro-Computed Tomographic Analysis of Apical Foramen Enlargement of Mature Teeth: A Cadaveric Study
title_full_unstemmed	Micro-Computed Tomographic Analysis of Apical Foramen Enlargement of Mature Teeth: A Cadaveric Study
title_sort	micro-computed tomographic analysis of apical foramen enlargement of mature teeth: a cadaveric study
publisher	Universidad de La Frontera. Facultad de Medicina
publishDate	2020
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-381X2020000200177
work_keys_str_mv	AT bucchicristina microcomputedtomographicanalysisofapicalforamenenlargementofmatureteethacadavericstudy AT deantajosepmaria microcomputedtomographicanalysisofapicalforamenenlargementofmatureteethacadavericstudy AT manzanarescespedesmariacristina microcomputedtomographicanalysisofapicalforamenenlargementofmatureteethacadavericstudy
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Micro-Computed Tomographic Analysis of Apical Foramen Enlargement of Mature Teeth: A Cadaveric Study

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