Accuracy of a fourth generation apex locator-an in vitro evaluation
<span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>The new fourth generation electronic apex locator (EAL), Elements (SybronEndo, USA) has been introduced recently in the market. </em><span style=&qu...
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Universitas Airlangga
2007-09-01
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doaj-6e0ec46926f743f0a799f44b16cca64d2020-11-25T00:53:38ZengUniversitas AirlanggaDental Journal: Majalah Kedokteran Gigi1978-37282442-97402007-09-0140314014310.20473/j.djmkg.v40.i3.p140-143893Accuracy of a fourth generation apex locator-an in vitro evaluationDalia Abdullah0Mariam Abdullah1Department of Operative Dentistry, Faculty of Dentistry, UKM (Universiti Kebangsaan Malaysia)Department of Conservative Dentistry, Faculty of Dentistry, UKM (Universiti Kebangsaan Malaysia)<span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>The new fourth generation electronic apex locator (EAL), Elements (SybronEndo, USA) has been introduced recently in the market. </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>This study aims to investigate the accuracy of this EAL and to compare the result with a well-known apex locator, Root ZX and the </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>radiographic technique using an in vitro model. Thirty anterior teeth with straight canals stored in 10% formalin were used. Access </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>cavities were prepared followed by coronal flaring of the canals. Water was used as an irrigant. After the actual lengths (AL) were </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>measured, the teeth were then embedded in an alginate model. Periapical radiograph of each tooth was taken using a digital sensor </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>and the radiographic lengths (RL) were measured 0.5 mm short of the radiographic apex. Electronic tooth length measurements (EL) </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>were carried out using both EAL. Canals were then irrigated with 2.5% NaOCl and EL was taken again. Results showed that both EALs </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>were highly accurate to within + 0.5 mm of the apical foramen, with mean differences between the AL and EL of Elements 0.23mm </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>(SE = 0.04) and Root ZX was 0.31mm (SE = 0.05). RL was significantly less accurate compared to the readings from both EAL. No </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>significant difference was found in the reading between both apex locators when measurements were taken in NaOCl solution. Both </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>Elements and Propex proved to be as reliable as Root ZX. Presence of sodium hypochlorite solution did not affect the accuracy of the </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>measurements.</em></span></span></span></span></span></span></span></span></span></span></span><br style="font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;" /></span>http://e-journal.unair.ac.id/index.php/MKG/article/view/1050electronic apex locatorelementsroot ZXalginate model |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Dalia Abdullah Mariam Abdullah |
spellingShingle |
Dalia Abdullah Mariam Abdullah Accuracy of a fourth generation apex locator-an in vitro evaluation Dental Journal: Majalah Kedokteran Gigi electronic apex locator elements root ZX alginate model |
author_facet |
Dalia Abdullah Mariam Abdullah |
author_sort |
Dalia Abdullah |
title |
Accuracy of a fourth generation apex locator-an in vitro evaluation |
title_short |
Accuracy of a fourth generation apex locator-an in vitro evaluation |
title_full |
Accuracy of a fourth generation apex locator-an in vitro evaluation |
title_fullStr |
Accuracy of a fourth generation apex locator-an in vitro evaluation |
title_full_unstemmed |
Accuracy of a fourth generation apex locator-an in vitro evaluation |
title_sort |
accuracy of a fourth generation apex locator-an in vitro evaluation |
publisher |
Universitas Airlangga |
series |
Dental Journal: Majalah Kedokteran Gigi |
issn |
1978-3728 2442-9740 |
publishDate |
2007-09-01 |
description |
<span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>The new fourth generation electronic apex locator (EAL), Elements (SybronEndo, USA) has been introduced recently in the market. </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>This study aims to investigate the accuracy of this EAL and to compare the result with a well-known apex locator, Root ZX and the </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>radiographic technique using an in vitro model. Thirty anterior teeth with straight canals stored in 10% formalin were used. Access </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>cavities were prepared followed by coronal flaring of the canals. Water was used as an irrigant. After the actual lengths (AL) were </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>measured, the teeth were then embedded in an alginate model. Periapical radiograph of each tooth was taken using a digital sensor </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>and the radiographic lengths (RL) were measured 0.5 mm short of the radiographic apex. Electronic tooth length measurements (EL) </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>were carried out using both EAL. Canals were then irrigated with 2.5% NaOCl and EL was taken again. Results showed that both EALs </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>were highly accurate to within + 0.5 mm of the apical foramen, with mean differences between the AL and EL of Elements 0.23mm </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>(SE = 0.04) and Root ZX was 0.31mm (SE = 0.05). RL was significantly less accurate compared to the readings from both EAL. No </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>significant difference was found in the reading between both apex locators when measurements were taken in NaOCl solution. Both </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>Elements and Propex proved to be as reliable as Root ZX. Presence of sodium hypochlorite solution did not affect the accuracy of the </em><span style="font-family: Tribune-Italic; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;"><em>measurements.</em></span></span></span></span></span></span></span></span></span></span></span><br style="font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;" /></span> |
topic |
electronic apex locator elements root ZX alginate model |
url |
http://e-journal.unair.ac.id/index.php/MKG/article/view/1050 |
work_keys_str_mv |
AT daliaabdullah accuracyofafourthgenerationapexlocatoraninvitroevaluation AT mariamabdullah accuracyofafourthgenerationapexlocatoraninvitroevaluation |
_version_ |
1725237348278468608 |