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This study was conducted to compare the antibacterial effect and degree of postoperative pain of single rotary and reciprocating file systems during endodontic therapy
Introduction: Instrumentation kinematic is one of the many aspects of shaping files that underwent heavy development through the last decade. The impact of the type of motion used to drive shaping instruments was heavily studied but mostly in-vitro. More randomized clinical trials are needed to achieve a reliable body of data concerning the issue.
Aim: This study aimed to evaluate the effect of varying shaping files' kinematics on bacterial reduction, post-operative pain and the incidence of flare-ups. Methods: Necrotic, asymptomatic, single-rooted mandibular premolars with single canals were used in the study, where 46 patients were randomly allocated to two groups. In the first group, WaveOne Gold was used for mechanical preparation while One Shape was used in the second group. Samples were taken preoperatively (S1) and after chemomechanical preparation (S2). Bacterial reduction was evaluated and compared between both groups via culturing technique and quantitative analysis by real-time polymerase chain reaction (qPCR). Post-operative pain and the incidence of flare-ups were also evaluated using the visual analog scale (VAS) method.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| rotation | Active Comparator | root canal preparation performed using rotating instruments |
|
| reciprocation | Active Comparator | root canal preparation performed using reciprocating instruments |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| root canal shaping | Other | root canal treatment |
|
| Measure | Description | Time Frame |
|---|---|---|
| bacterial reduction | pre-instrumentation and post-instrumentation bacterial cultures to detect change in bacterial count after root canal instrumentation with the different kinematics | up to 1 hour |
| post operative pain | Visual analogue scale from 0-100 where 0 is the lowest and 100 is the highest | after the treatment visit by 24 hours |
| post operative pain | Visual analogue scale from 0-100 where 0 is the lowest and 100 is the highest | after the treatment visit by 48 hours |
| post operative pain | Visual analogue scale from 0-100 where 0 is the lowest and 100 is the highest | after the treatment visit by 72 hours |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| shehabeldin M Saber, phd | professor | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Faculty of Dentistry. Ain Shams University | Cairo | Egypt |
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| ID | Term |
|---|---|
| D010149 | Pain, Postoperative |
| ID | Term |
|---|---|
| D011183 | Postoperative Complications |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D010146 | Pain |
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The trial design is a prospective, parallel, randomized with an allocation ratio (1:1), double-blinded, single-center clinical trial
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Sequentially generated numbers were placed in opaque envelopes until the intervention was conducted and each participant was asked to select an envelope that determine which group of intervention was assumed
| D009461 | Neurologic Manifestations |
| D012816 | Signs and Symptoms |