Cumhuriyet Dental Journal (May 2011)

Raypex® 5’in Minör Çapın Belirlenmesindeki Doğruluğunun Ex Vivo Olarak Değerlendirilmesi Ex Vivo Evaluation Of The Accuracy Of Raypex® 5 In Determining The Minor Diameter

  • Nevin Kartal,
  • Seda Aydemir,
  • Hale Cimilli

DOI
https://doi.org/10.7126/cdj.2012.757
Journal volume & issue
Vol. 14, no. 2
pp. 101 – 105

Abstract

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<p class="MsoNormal" style="text-align: center; line-height: 200%;" align="center"><strong><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;">&Ouml;ZET</span></strong></p><p class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: justify; line-height: 200%;"><strong><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;">Ama&ccedil;: </span></strong><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;">Bu <em>ex vivo</em> &ccedil;alışmanın amacı, Raypex&reg; 5 adlı elektronik apeks bulucunun min&ouml;r &ccedil;apın tespitindeki doğruluğunu değerlendirmektir.</span></p><p class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: justify; line-height: 200%; background: none repeat scroll 0% 0% white;"><strong><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;">Gere&ccedil; ve Y&ouml;ntem: </span></strong><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;">&Ccedil;alışmada 40 adet &ccedil;ekilmiş &uuml;st kesici insan dişi kullanıldı. Operasyon mikroskobu altında X5 b&uuml;y&uuml;tmede eğe ucu, maj&ouml;r foramene kadar ilerletildi ve silikon stoper d&uuml;zleştirilmiş koronal y&uuml;zeyde sabitlendi. Silikon stoper ve eğe ucu arasındaki mesafe &ouml;l&ccedil;&uuml;ld&uuml; ve referans kanal boyu (RKB) olarak adlandırıldı. Daha sonra Raypex&reg; 5 ile elektronik &ouml;l&ccedil;&uuml;mler alındı ve silikon stoperle eğe ucu arasındaki mesafe &ouml;l&ccedil;&uuml;lerek bu değer elektronik kanal boyu (EKB) olarak adlandırıldı. Ardından kanal aleti, RKB&rsquo;de akışkan kompozitle dişin koronalinde sabitlendi. </span><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;">K&ouml;k kanallarının apikal 4 mm&rsquo;leri elmas frezlerle ekspoze edildikten sonra</span><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;"> X64 b&uuml;y&uuml;tmede stereomikroskop altında incelendi ve dijital fotoğrafları alındı. T&uuml;m g&ouml;r&uuml;nt&uuml;ler &uuml;zerinde minor &ccedil;ap tespit edilerek; eğe ucuyla arasındaki mesafe<span>&nbsp; </span>bilgisayar bazlı bir &ouml;l&ccedil;&uuml;m programı yardımıyla hesaplandı. Bu mesafe RKB&rsquo;den &ccedil;ıkarıldı ve M&Ccedil;KB (minor &ccedil;apa kadar olan kanal boyu) olarak adlandırıldı.</span></p><p class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: justify; line-height: 200%; background: none repeat scroll 0% 0% white;"><strong><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;">Bulgular:</span></strong><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;"> <span lang="EN-GB">EKB değeri (15.22 &plusmn; 1.79), M&Ccedil;KB (15.43&plusmn; 1.75) değerinden istatistiksel olarak anlamlı derecede d&uuml;ş&uuml;k bulundu (p=0.001) ve <span style="color: black;">Raypex&reg; 5&rsquo;in </span><span style="background: none repeat scroll 0% 0% white;">&plusmn;0.5 mm aralığında min&ouml;r &ccedil;apı </span>% <span style="background: none repeat scroll 0% 0% white;">8</span>5 doğrulukla tespit ettiği g&ouml;r&uuml;ld&uuml;.</span></span></p><p class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: justify; line-height: 200%;"><strong><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;">Sonu&ccedil;lar: </span></strong><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;">Bu <em>ex vivo</em> &ccedil;alışmanın ışığında<strong> </strong></span><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; color: black; font-size: 12pt;">Raypex&reg; 5&rsquo;in minor &ccedil;apı % 100 tespit edememesine rağmen; bu oran klinik olarak başarılı kabul edilebilir.</span><strong></strong></p><p class="MsoNormal" style="text-align: justify; line-height: 200%;"><strong><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;">Anahtar kelimeler: </span></strong><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;">elektronik apeks bulucu, min&ouml;r &ccedil;ap, &ccedil;alışma boyu. </span></p><p class="MsoNormal" style="text-align: justify; line-height: 200%;"><strong><em><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 14pt;">Ex Vivo</span></em></strong><strong><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 14pt;"> Evaluation Of The Accuracy Of Raypex&reg; 5 In Determining The Minor Diameter</span></strong><strong></strong></p><p class="MsoNormal" style="text-align: center; line-height: 200%;" align="center"><strong><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;">SUMMARY</span></strong></p><p class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: justify; line-height: 200%;"><strong><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;">Purpose:</span></strong><strong><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;"> </span></strong><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;">The aim of this <em>ex vivo </em>study was to assess the accuracy of Raypex&reg; 5 electronic apex locator (EAL) in determining the minor diameter.</span></p><p class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: justify; line-height: 200%;"><strong><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;">Material and Methods:</span></strong><strong><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;"> </span></strong><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;">Forty extracted maxillary incisors were used in this study. The length between the flat coronal surface and file tip that reached at the major diameter was measured and determined as the reference canal length (RCL). Then the measurements with Raypex&reg; 5 were taken and called as electronic canal length (ECL). The canal instruments were fixed at RCL with flowable composites and four mm. of the apices were shaved and evaluated under stereomicroscope.<span>&nbsp; </span>After the location of the minor diameter was determined on the image of stereomicroscop; the length between coronal reference point and minor diameter were calculated by aid of RCL and determined as minor diameter length (MDL). Then, we compared the measurements of the Raypex&reg; 5 and MDL.</span></p><p class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: justify; line-height: 200%;"><strong><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;">Results: </span></strong><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;">The value for ECL<strong> </strong></span><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;">(15.22 &plusmn; 1.79) was found statistically significantly lower from the value for MDL (15.43&plusmn; 1.75) (p=0.001). Within the <span style="background: none repeat scroll 0% 0% white;">&plusmn;0.5 mm the accuracy of </span><span style="color: black;">Raypex&reg; 5 to determine the minor diameter was calculated as 85%.</span></span></p><p class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: justify; line-height: 200%;"><strong><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;">Conclusion: </span></strong><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;">Although the </span><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;">Raypex&reg; 5 could not determine the minor diameter 100 % <span>under <em>ex vivo</em> experimental conditions; </span>the results of this study clinically could be acceptable. </span></p><p class="MsoNormal" style="text-align: justify; line-height: 200%;"><strong><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;">Keywords: </span></strong><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;">electronic apex locator,<strong> </strong>minor diameter, working length.</span></p><p class="MsoNormal" style="text-align: justify; line-height: 200%;"><span style="line-height: 200%; font-family: &quot;Times New Roman&quot;,&quot;serif&quot;; font-size: 12pt;">&nbsp;</span></p>

Keywords