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Verify, through a randomized double-blinded clinical trial, the influence in the performance of pulpectomies in primary teeth, based on two working length methods, electronic and radiographic.
Samples will be composed of children between 6 and 9 years of age, with the need for endodontic treatment in primary teeth. They will be submitted to anamnesis, clinical and radiographic exams for identification of eligibility criteria for the study. These patients will be divided randomly into 2 groups: G1 - pulpectomy with working length method performed through radiography (n=100) and G2 - pulpectomy with working length method performed with the aid of an apex locator (n=100). Endodontic treatment will be done by a single trained operator. After definite restoration and final radiography, an evaluation of the obturation quality will be performed by another blinded operator, who will evaluate the appropriate obturation length. The clinical treatment success and the radiographies will also be analyzed during a period of 24 months through clinical and radiographic exams, also by a blinded operator.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Operator 1 | No Intervention | Perform the pulpectomies except the working length measurement | |
| Operator 2 | No Intervention | Perform the electronic length measurement of the pulpectomies | |
| Operator 3 | Active Comparator | Perform radiographic length measurement and final evaluation of the pulpectomies |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Pulpectomies | Other | Primary teeth pulpectomy is an important treatment option for necrotic teeth. The correct working length will determine a better chemical and mechanical disinfection of the root canals, without demanding the surrounding periapical tissues and dental germs. In addition, it decreases the chance of a sub or over-filling, which also may interfere with the achievement of the success. |
| Measure | Description | Time Frame |
|---|---|---|
| Outcome Electronic Apex locator | The use of an electronic apex locator for the achievement of working length in primary teeth pulpectomies will demonstrate a similar or better result than the radiographic method for the obturation adequacy. Also it will show a closer or a better result in the evaluation of the clinical and radiographic success in a long-term treatment. | Evaluations will be done during 24 mouths after the pulpectomy performance |
| Measure | Description | Time Frame |
|---|---|---|
| Difference in length measurement methods for pulpectomies in primary teeth | Evaluate if there is a significant difference in the accuracy of electronic apex locators compared to the conventional radiography in working length measurements | Evaluations will be done during the pulpectomy performance |
| Influence of working length measurement methods in the obturation level of pulpectomy in primary teeth |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Nashalie Alencar, Ms | Universidade Federal de Santa Catarina | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Nashalie Andrade de Alencar | Florianópolis | Santa Catarina | 88030-680 | Brazil | ||
| Universidade Federal de Santa Catarina |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 20951282 | Background | Ravanshad S, Adl A, Anvar J. Effect of working length measurement by electronic apex locator or radiography on the adequacy of final working length: a randomized clinical trial. J Endod. 2010 Nov;36(11):1753-6. doi: 10.1016/j.joen.2010.08.017. Epub 2010 Sep 19. |
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| ID | Term |
|---|---|
| D019553 | Tooth, Nonvital |
| ID | Term |
|---|---|
| D003788 | Dental Pulp Diseases |
| D014076 | Tooth Diseases |
| D009057 | Stomatognathic Diseases |
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| ID | Term |
|---|---|
| D011670 | Pulpectomy |
| ID | Term |
|---|---|
| D004708 | Endodontics |
| D003813 | Dentistry |
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Patients between 6 and 9 years old who search for endodontic treatment in primary teeth. The allocation of subjects to groups will be achieved by randomization. These patients will be randomly divided into 2 groups: G1 - pulpectomy with length measurement performed through radiography and G2 - pulpectomy with length measurement performed with the aid of an apex locator.
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At the end of the canal access, the first operator will leave the surroundings and a second operator will continue. A length measurement will be determined in order to define the working length. After the working measurement length performed by the second operator, the first operator will be informed about the working length of each canal without the knowledge of which method was used for the length measurement . From then on, the first operator will continue the endodontic treatment. A third operator will evaluate the outcomes.
|
Evaluate the effect of two working length measurement methods in the obturation level of pulpectomy in primary teeth |
| Evaluations will be done after the pulpectomy performance |
| Florianópolis |
| Santa Catarina |
| 88030-680 |
| Brazil |