A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_URI::$config is deprecated
Filename: core/URI.php
Line Number: 101
Backtrace:
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Router::$uri is deprecated
Filename: core/Router.php
Line Number: 127
Backtrace:
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: Warning
Message: Cannot modify header information - headers already sent by (output started at /home1/ab8102/public_html/edjcode/system/core/Exceptions.php:271)
Filename: core/Security.php
Line Number: 274
Backtrace:
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Edj::$benchmark is deprecated
Filename: core/Controller.php
Line Number: 75
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Edj::$hooks is deprecated
Filename: core/Controller.php
Line Number: 75
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Edj::$config is deprecated
Filename: core/Controller.php
Line Number: 75
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Edj::$log is deprecated
Filename: core/Controller.php
Line Number: 75
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Edj::$utf8 is deprecated
Filename: core/Controller.php
Line Number: 75
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Edj::$uri is deprecated
Filename: core/Controller.php
Line Number: 75
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Edj::$exceptions is deprecated
Filename: core/Controller.php
Line Number: 75
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Edj::$router is deprecated
Filename: core/Controller.php
Line Number: 75
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Edj::$output is deprecated
Filename: core/Controller.php
Line Number: 75
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Edj::$security is deprecated
Filename: core/Controller.php
Line Number: 75
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Edj::$input is deprecated
Filename: core/Controller.php
Line Number: 75
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Edj::$lang is deprecated
Filename: core/Controller.php
Line Number: 75
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Edj::$load is deprecated
Filename: core/Controller.php
Line Number: 78
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Return type of CI_Session_database_driver::open($save_path, $name) should either be compatible with SessionHandlerInterface::open(string $path, string $name): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_database_driver.php
Line Number: 129
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Return type of CI_Session_database_driver::close() should either be compatible with SessionHandlerInterface::close(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_database_driver.php
Line Number: 280
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Return type of CI_Session_database_driver::read($session_id) should either be compatible with SessionHandlerInterface::read(string $id): string|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_database_driver.php
Line Number: 151
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Return type of CI_Session_database_driver::write($session_id, $session_data) should either be compatible with SessionHandlerInterface::write(string $id, string $data): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_database_driver.php
Line Number: 208
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Return type of CI_Session_database_driver::destroy($session_id) should either be compatible with SessionHandlerInterface::destroy(string $id): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_database_driver.php
Line Number: 297
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Return type of CI_Session_database_driver::gc($maxlifetime) should either be compatible with SessionHandlerInterface::gc(int $max_lifetime): int|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_database_driver.php
Line Number: 335
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 282
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: Warning
Message: session_set_cookie_params(): Session cookie parameters cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 289
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 304
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 314
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 315
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 316
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 317
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 375
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Edj::$db is deprecated
Filename: core/Loader.php
Line Number: 396
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_DB_mysqli_driver::$failover is deprecated
Filename: database/DB_driver.php
Line Number: 371
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: Warning
Message: session_set_save_handler(): Session save handler cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 110
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: Warning
Message: session_start(): Session cannot be started after headers have already been sent
Filename: Session/Session.php
Line Number: 143
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Edj::$session is deprecated
Filename: core/Loader.php
Line Number: 1283
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 7
Function: __construct
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Javascript::$CI is deprecated
Filename: libraries/Javascript.php
Line Number: 81
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 9
Function: library
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Jquery::$CI is deprecated
Filename: Javascript/Jquery.php
Line Number: 110
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 9
Function: library
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated
Filename: libraries/Javascript.php
Line Number: 657
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 9
Function: library
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Edj::$jquery is deprecated
Filename: core/Loader.php
Line Number: 1283
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 9
Function: library
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Javascript::$js is deprecated
Filename: libraries/Javascript.php
Line Number: 86
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 9
Function: library
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Edj::$javascript is deprecated
Filename: core/Loader.php
Line Number: 1283
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 9
Function: library
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Edj::$form_validation is deprecated
Filename: core/Loader.php
Line Number: 1283
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 10
Function: library
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Edj::$mode is deprecated
Filename: core/Loader.php
Line Number: 358
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 13
Function: model
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Edj::$Image_model is deprecated
Filename: core/Loader.php
Line Number: 358
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 14
Function: model
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$benchmark is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 139
Function: view
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$hooks is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 139
Function: view
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$config is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 139
Function: view
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$log is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 139
Function: view
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$utf8 is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 139
Function: view
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$uri is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 139
Function: view
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$exceptions is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 139
Function: view
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$router is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 139
Function: view
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$output is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 139
Function: view
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$security is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 139
Function: view
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$input is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 139
Function: view
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$lang is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 139
Function: view
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$load is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 139
Function: view
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$db is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 139
Function: view
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$session is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 139
Function: view
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$jquery is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 139
Function: view
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$javascript is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 139
Function: view
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$form_validation is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 139
Function: view
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$mode is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 139
Function: view
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
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EDJ
EVALUATION OF THE EFFECT OF DIFFERENT IRRIGATION PROTOCOLS ON CLEANLINESS AND ADHESION OF EPOXY-RESIN AND GLASS-IONOMER BASED SEALERS. (AN IN-VITRO STUDY)
,
Volume 1 No 1
272
Abdullah Salem Ibrahim, Maged Negm And Alaa El-Baz ,
ABSTRACT
Seventy Six Human Single Canaled Teeth Were Decapitated, Instrumented Using K3 Ni-Ti Rotary System, And Then Divided Into 4 Main Groups Of 19 Teeth Each, According To The Type Of Irrigation Protocol Used; Group I, 1:1 Mixture Of 5.25% NaOCl + 18% Etidronic Acid (HEBP). Group II,
1:1 Mixture Of 5.25% NaOCl + 18% Etidronic Acid (HEBP), Followed By 17% EDTA As A Final Rinse. Group III, 17% EDTA. Group IV, 5.25% NaOCl (control Group). The Quantity Of Irrigation Was
5 Ml For 2 Minutes. Then, A Final Rinse Of 5 Ml For 2 Minutes Of Distilled Water.
Sixteen Roots Of Each Group Were Subdivided Into 2 Subgroups (each Of 8 Roots), According To The Type Of Sealer Used:
A Single Gutta-percha Cone Size 40 Taper 0.06 With AH Plus Root Canal Sealer.
A Single Activ GP Cone Size 40 Taper 0.06 With Activ GP Root Canal Sealer.
The Obturated Roots Were Horizontally Divided Into Three Equal Sections. The Middle Third Specimens Were Subject To Push-out Test By Means Of An Instron Testing Machine. Then, The Specimens Were Examined Under Digital Microscope To Determine The Type Of Bond Failure.
The Remaining Three Roots Of Each Group Were Longitudinally Split Into 2 Equal Halves.
The Walls Of Their Middle Thirds Were Examined For The Presence Of Debris And Smear Layer Under Environmental Scanning Electron Microscope (ESEM).
The ESEM Showed Superior Results Of EDTA And NaOCl/HEBP/EDTA Groups Respectively In Smear Layer Removal Over NaOCl/HEBP And NaOCl Groups.
It Was Found That EDTA Group Recorded The Highest Mean Value Of Push-out Test With AH Plus Sealer, While NaOCl/HEBP/EDTA Group Recorded The Highest Mean Value Of Push-out Test With Activ GP Obturation System.
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