<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0034-7507</journal-id>
<journal-title><![CDATA[Revista Cubana de Estomatología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cubana Estomatol]]></abbrev-journal-title>
<issn>0034-7507</issn>
<publisher>
<publisher-name><![CDATA[Editorial Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0034-75072023000200005</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Resistencia a la fractura de premolares superiores con tratamientos de endodoncia por accesos conservador y tradicional]]></article-title>
<article-title xml:lang="en"><![CDATA[Resistance to Fracture of Upper Premolars with Endodontic Treatment by Conservative and Traditional Access]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández Espino]]></surname>
<given-names><![CDATA[Raúl Jonathan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cabrera Iberico]]></surname>
<given-names><![CDATA[Miguel Ángel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Científica del Sur Facultad de Ciencias de la Salud Departamento de Estomatología]]></institution>
<addr-line><![CDATA[ Lima]]></addr-line>
<country>Peru</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<volume>60</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0034-75072023000200005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0034-75072023000200005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0034-75072023000200005&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: Las piezas dentarias luego de tratamiento de endodoncia aumentan su susceptibilidad a la fractura, lo que está asociado, principalmente, con la pérdida de la estructura dental.  Objetivo: Evaluar in vitro, la resistencia a la fractura de premolares superiores con tratamientos de endodoncia mediante acceso tradicional, conservador y conservador Ninja, con restauración provisoria y final.  Métodos: Estudio prospectivo de diseño experimental longitudinal con 42 premolares superiores donados, separados en 3 grupos según el tipo de acceso de endodoncia a aplicarse y luego cada uno en dos subgrupos según el tipo de restauración, y un grupo control, al cual no se le realiza endodoncia. Luego de realizar el tratamiento y la restauración, se evaluó la resistencia a la fractura mediante carga compresiva oblicua (45°), en una máquina de carga universal. Las cargas requeridas para la fractura se registraron en newtons y fueron comparadas estadísticamente.  Resultados: Las piezas tratadas mediante acceso conservador Ninja con restauración provisoria y final, requirieron una carga promedio para la fractura de 513,45 N y 638,13 N, respectivamente. Fuerzas significativamente mayores a las resistencias ofrecidas por los otros tratamientos con p &lt; 0,05. Asimismo, no hubo diferencias significativas en las resistencias ofrecidas, entre los casos de acceso conservador y acceso tradicional, ni al comparar los tipos de restauración aplicados con p &gt; 0,05.  Conclusiones: En la endodoncia in vitro, el diseño del acceso a la cavidad, tipo conservador Ninja, afectó significativamente la resistencia a la fractura de los premolares superiores, adquiriendo un comportamiento biomecánico similar al de las piezas control.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Tooth pieces, after endodontic treatment, increase their susceptibility to fracture, a phenomenon mainly associated with loss of tooth structure.  Objective:  To evaluate, in vitro, the resistance to fracture of upper premolars with endodontic treatment by traditional, conservative and conservative ninja access, with temporary and final restoration.  Methods: A prospective study of longitudinal experimental design was carried out with 42 donated upper premolars, separated into three groups, according to the type of endodontic access to be applied; in turn, each was then divided into two subgroups, according to the type of restoration, and a control group, not performed endodontic treatment. After treatment and restoration, fracture resistance was evaluated using oblique compressive loading (45°) in a universal loading machine. The loads required for fracture were recorded in newtons and statistically compared.  Results:  The parts treated by conservative ninja access with provisional and final restoration required an average fracture load of 513.45 N and 638.13 N, respectively; this forces were significantly higher than the resistance values offered by the other treatments, with p &lt; 0.05. Likewise, there were no significant differences in the resistance values obtained between the cases of conservative access and traditional access, nor when comparing the types of applied restoration, with P&lt;0.05.  Conclusions:  In in vitro endodontics, the design of the access to the cavity of conservative ninja type significantly affected the resistance to fracture of the upper premolars, acquiring a biomechanical behavior similar to that of the control pieces.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[endodoncia]]></kwd>
<kwd lng="es"><![CDATA[diente premolar]]></kwd>
<kwd lng="es"><![CDATA[restauración dental]]></kwd>
<kwd lng="es"><![CDATA[cavidad pulpar]]></kwd>
<kwd lng="en"><![CDATA[endodontics]]></kwd>
<kwd lng="en"><![CDATA[premolar tooth]]></kwd>
<kwd lng="en"><![CDATA[dental restoration]]></kwd>
<kwd lng="en"><![CDATA[pulpar cavity]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Srinivas]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Ashwini]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Paras]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A Review of Additive Manufacturing in Conservative Dentistry and Endodontics Part 2 Applications in Restorative Dentistry and Endodontics]]></article-title>
<source><![CDATA[Dent Update]]></source>
<year>2019</year>
<volume>46</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>248-4</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<collab>World Dental Federation</collab>
<article-title xml:lang=""><![CDATA[FDI policy statement on Minimal Intervention Dentistry (MID) for managing dental caries Adopted by the General Assembly: September 2016, Poznan, Poland. Int]]></article-title>
<source><![CDATA[Dent J]]></source>
<year>2017</year>
<volume>67</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>6-7</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chaple Gil]]></surname>
<given-names><![CDATA[AM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Generalidades sobre la mínima intervención en cariología]]></article-title>
<source><![CDATA[Rev Cubana Estomatol]]></source>
<year>2016</year>
<volume>53</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>37-44</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Roperto]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Sousa]]></surname>
<given-names><![CDATA[YT]]></given-names>
</name>
<name>
<surname><![CDATA[Dias]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Machado]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Perreira]]></surname>
<given-names><![CDATA[RD]]></given-names>
</name>
<name>
<surname><![CDATA[Leoni]]></surname>
<given-names><![CDATA[GB]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Biomechanical behavior of maxillary premolars with conservative and traditional endodontic cavities]]></article-title>
<source><![CDATA[Quintessence Int]]></source>
<year>2019</year>
<volume>50</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>350-6</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Corsentino]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Pedullá]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Castelli]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Liguori]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Spicciarelli]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Martignoni]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Ferrari]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Grandini]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Influence of access cavity preparation and remaining tooth substance on fracture strength of endodontically treated teeth]]></article-title>
<source><![CDATA[J Endod]]></source>
<year>2018</year>
<volume>44</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>1416-21</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Plotino]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Grande]]></surname>
<given-names><![CDATA[NM]]></given-names>
</name>
<name>
<surname><![CDATA[Isufi]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Iopolo]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Pedullá]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Bedini]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fracture strength of endodontically treated teeth with different access cavity designs]]></article-title>
<source><![CDATA[J Endod]]></source>
<year>2017</year>
<volume>43</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>995-1000</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Torbjörner]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Fransson]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A literature review on the prosthetic treatment of structurally compromised teeth]]></article-title>
<source><![CDATA[Int J Prosthodont]]></source>
<year>2004</year>
<volume>17</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>369-76</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sabeti]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Kazem]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Dianat]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Bahrololumi]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Beglou]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Rahimipour]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Dehnavi]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Impact of access cavity design and root canal taper on fracture resistance of endodontically treated teeth An ex vivo investigation]]></article-title>
<source><![CDATA[J Endod]]></source>
<year>2018</year>
<volume>44</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>1402-6</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Baba]]></surname>
<given-names><![CDATA[NZ]]></given-names>
</name>
<name>
<surname><![CDATA[White]]></surname>
<given-names><![CDATA[SN]]></given-names>
</name>
<name>
<surname><![CDATA[Bogen]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Restoration of endodontically treated teeth]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Chugal]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Lin]]></surname>
<given-names><![CDATA[LM]]></given-names>
</name>
</person-group>
<source><![CDATA[Endodontic prognosis]]></source>
<year>2017</year>
<page-range>161-91</page-range><publisher-loc><![CDATA[Switzerland ]]></publisher-loc>
<publisher-name><![CDATA[Springer International Publishing]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Balkaya]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Topçuoglu]]></surname>
<given-names><![CDATA[HS]]></given-names>
</name>
<name>
<surname><![CDATA[Demirbuga]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The effect of different cavity designs and temporary filling materials on the fracture resistance of upper premolars]]></article-title>
<source><![CDATA[J Endod]]></source>
<year>2019</year>
<volume>45</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>628-33</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Göktürk]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Karaarslan]]></surname>
<given-names><![CDATA[ES]]></given-names>
</name>
<name>
<surname><![CDATA[Tekin]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Hologlu]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Sarikaya]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The effect of the different restorations on fracture resistance of root-filled premolars]]></article-title>
<source><![CDATA[BMC Oral Health]]></source>
<year>2018</year>
<volume>18</volume>
<numero>1</numero>
<issue>1</issue>
</nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Basaran]]></surname>
<given-names><![CDATA[ET]]></given-names>
</name>
<name>
<surname><![CDATA[Gokce]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of the influence of various restoration techniques on fracture resistance of endodontically treated teeth with different cavity wall thicknesses]]></article-title>
<source><![CDATA[Niger J Clin Pract]]></source>
<year>2019</year>
<volume>22</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>328-34</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Assif]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Nissan]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Gafni]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Gordon]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Assessment of the resistance to fracture of endodontically treated molars restored with amalgam]]></article-title>
<source><![CDATA[J Prosthet Dent]]></source>
<year>2003</year>
<volume>89</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>462-5</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moore]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Verdelis]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Kishen]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Dao]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Friedman]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Impacts of contracted endodontic cavities on instrumentation efficacy and biomechanical responses in maxillary molars]]></article-title>
<source><![CDATA[J Endod]]></source>
<year>2016</year>
<volume>42</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>1779-83</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Krishan]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Paqué]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Ossareh]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Kishen]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Dao]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Friedman]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Impacts of conservative endodontic cavity on root canal instrumentation efficacy and resistance to fracture assessed in incisors, premolars, and molars]]></article-title>
<source><![CDATA[J Endod]]></source>
<year>2014</year>
<volume>40</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>1160-6</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Garg]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Garg]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<source><![CDATA[Textbook of endodontics]]></source>
<year>2019</year>
<publisher-loc><![CDATA[India ]]></publisher-loc>
<publisher-name><![CDATA[Jaypee Brothers Medical Publisher]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sah]]></surname>
<given-names><![CDATA[SP]]></given-names>
</name>
<name>
<surname><![CDATA[Datta]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Velmurugan]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Lakshmanan]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Karthik]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of fracture resistance of endodontically treated maxillary premolars restored with three different core materials, an in vitro study]]></article-title>
<source><![CDATA[International Journal of Oral Health and Medical Research]]></source>
<year>2018</year>
<volume>5</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>31-6</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[EJNL]]></given-names>
</name>
<name>
<surname><![CDATA[Rover]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Belladonna]]></surname>
<given-names><![CDATA[FG]]></given-names>
</name>
<name>
<surname><![CDATA[De-Deus]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[da Silveira Teixeira]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[da Silva Fidalgo]]></surname>
<given-names><![CDATA[TK]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Impact of contracted endodontic cavities on fracture resistance of endodontically treated teeth: a systematic review of in vitro studies]]></article-title>
<source><![CDATA[Clin Oral Investig]]></source>
<year>2018</year>
<volume>22</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>109-18</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rover]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Belladonna]]></surname>
<given-names><![CDATA[FG]]></given-names>
</name>
<name>
<surname><![CDATA[Bortoluzzi]]></surname>
<given-names><![CDATA[EA]]></given-names>
</name>
<name>
<surname><![CDATA[De-Deus]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[EJNL]]></given-names>
</name>
<name>
<surname><![CDATA[Teixeira]]></surname>
<given-names><![CDATA[CS]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Influence of Access Cavity Design on Root Canal Detection, Instrumentation Efficacy, and Fracture Resistance Assessed in Maxillary Molars]]></article-title>
<source><![CDATA[J Endod]]></source>
<year>2017</year>
<volume>43</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>1657-62</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Taha]]></surname>
<given-names><![CDATA[NA]]></given-names>
</name>
<name>
<surname><![CDATA[Palamara]]></surname>
<given-names><![CDATA[JE]]></given-names>
</name>
<name>
<surname><![CDATA[Messer]]></surname>
<given-names><![CDATA[HH]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fracture strength and fracture patterns of root-filled teeth restored with direct resin composite restorations under static and fatigue loading]]></article-title>
<source><![CDATA[Oper Dent]]></source>
<year>2014</year>
<volume>39</volume>
<page-range>181-8</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
