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: 154
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::$hooks is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 154
Function: view
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$config is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 154
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::$log is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 154
Function: view
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$utf8 is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 154
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::$uri is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 154
Function: view
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$exceptions is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 154
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::$router is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 154
Function: view
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$output is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 154
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::$security is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 154
Function: view
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$input is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 154
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::$lang is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 154
Function: view
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$load is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 154
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::$db is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 154
Function: view
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$session is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 154
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::$jquery is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 154
Function: view
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$javascript is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 154
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::$form_validation is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 154
Function: view
File: /home1/ab8102/public_html/edjcode/index.php
Line: 315
Function: require_once
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$mode is deprecated
Filename: core/Loader.php
Line Number: 931
Backtrace:
File: /home1/ab8102/public_html/edjcode/application/controllers/Edj.php
Line: 154
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
,
Volume 1 No 1
157
Abd-Elmotelb MA, Khattab N.M. And Moness A.M. ,
ABSTRACT
Objectives: The Purpose Of The Study Was To Evaluate The Efficacy Of Two Different Bleaching Agents (Hydrogen Peroxide 10% Versus Carbamide Peroxide 10%) For Internal Bleaching Of Primary Teeth.
Materials and Methods: Thirty Extracted Human Primary Anterior Teeth With Intact Crowns Were Selected For The Study. Pulpectomy Was Performed And Baseline Color Evaluation With Spectrophotometer And Visual Method Was Obtained Then Each Tooth Was Artificially Stained With
2 Ml Of Fresh Rabbit Blood And Centrifuged. The Teeth Were Randomly Divided Into Three Experimental Groups Of 10 Teeth Each. 0.04 Ml Of The Each Tested Bleaching Agents Was Syringed Into The Access Cavity Of Each Tooth And, In The Control Group, 0.04 Ml Of Distilled Water Was Syringed Into The Access Cavity. Access Cavities Were Sealed With IRM. All Teeth Were Placed At 37�C In An Incubator Throughout The Experiment. The Color Of The Bleached Teeth Was Determined At 0,7 And 14 Days For Spectrophotometeric Evaluation And 0,3,7,10 And 14 Days For Visual One. The Data Obtained Were Collected, Tabulated And Subjected To Statistical Analysis Using Mann-Whitney Test.
Results: There Was Statistical Significance Among The Hydrogen Peroxide And Carbamide Peroxide Versus Control Groups Either Using Spectrophotometer Or Visual Evaluation (P=0.001). Also, There Was Significance Between Hydrogen Peroxide Versus Carbamide Peroxide At Different Observation Periods.
Conclusion: The Bleaching Efficacy Of 10% Hydrogen Peroxide Gel Was More Effective Than 10% Carbamide Peroxide In Bleaching The Artificially Discolored Primary Teeth.
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