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Clinical Trial Summary

The study included 24 patients with written and verbal consent Results with close proximity to IAN diagnosed based on radiographs and evaluation on the criteria of Howe, and Poyton were selected and divided into two groups by lottery method into coronectomy and coronectomy with root canal treatment following coronectomy groups. Patients were re-evaluated on three weeks for complications and three months follow-ups for radiographic evaluations of root-fragment migration


Clinical Trial Description

The study enrolled 24 patients with written and verbal consent, out of which 15 were females and 9 were males aged between 18-30 years, with a mean age of males 24 ± 2.6 years and females 23.5 ± 2.8 years. Ethical approval was taken from the ethical review board of Altamash Institute of Dental Medicine with IRB No: AIDM/ERC/12/2022/04. A total of 24 impacted mandibular teeth from 24 Patients with close proximity to IAN diagnosed based on radiographs and evaluation on the criteria of Howe and Poyton4 were selected for the purpose of this study. The timeline of the study was between January 2021 till January 2022. The estimated sample size calculated for the study was 12 (6 participants in each group) which was raised to minimum of 24 (12 participants in each group). The calculations were performed using 12.5% as a proportion of infection in the control group and 87.5% as the proportion of infection in experimentation group from the study published by Sencimen et al.1 The software used for the sample size estimation was STATA 13.0 using "pearson's chi-squared test for two-samples proportions test". The following parameters were considered: Alpha = 0.05 Power = 0.8 Delta = 0.75 Proportions of control group = 0.125 (12.5%) Proportions of Experimental group = 0.875 (87.5%) Considering the high lost to followup cases into account the sample size was raised to 24 participants with one tooth per individual. (ANNEXURE-I) Patients were diagnosed and then referred to the Oral Maxillofacial department of Altamash Institute of Dental Medicine. Twenty-four patients with 24 impacted mandibular third molars were equally divided into a control group and a study group. Twelve patients in the study group had their root canal treatment after coronectomies while the other half, the control group only had their coronectomies done without any further procedure performed. All the participants were equally divided into a control group and a study group by making them pick concealed envelopes containing a participant code for the participant allocation into groups. The experimental group contained twelve participants who had root canal treatment following coronectomies, while on the other hand, only coronectomies were performed in the rest of the participants without root canal treatment. Patients who were willing and cooperative, along with no known uncontrolled medical conditions and no history of radiotherapy in the head and neck region, were included as a part of this research, while patients who showed resistance or were uncooperative, gave a history of uncontrolled medical condition, showed signs of local pathology or infection, history of radiotherapy in head and neck area were excluded from being included in the study. All surgical procedures were performed under local anesthesia by the same surgeon. None of the patients were prescribed prophylactic antibiotics but were give a chlorhexidine mouth was a given before the procedure. Patients were prescribed post operative antibiotics with analgesics and thorough written instructions for proper wound care. A buccal approach for coronectomy was performed for all of them by the surgeon. Furthermore, all the endodontic treatment was performed by the same endodontist. In the study group, the endodontist performed a pulpectomy and used a hypochlorite solution for irrigation of the canals. Finally, gutta-percha (GP) was used as a canal-filling material. All procedures performed by the endodontic followed the aseptic conditions and protocol. The surgeon decided on a buccal approach with a three-cornered envelope incision resulting in a full thickness mucoperiosteal flap. The incision and eventually the flap was raised following the principles of incision and flap in order to promote a clean surgery leading to an uneventful and complication-free healing. The crown along the dental follicle was eliminated in addition to removing one-third of the root coronally. The clinician decided on establishing a tilted or angled slope, the level of the slope descending lingually via buccal surface. This inclination resulted in a discrepancy of about 3-4mm in the levels of the corresponding root surfaces, consequence of which was a formation of a sharp edge on the buccal root surface. While the lingual root was 3-4mm below the lingual alveolar crest level. To compensate for the height, difference the buccal and lingual root surfaces, a reduction in the height of the buccal surface was performed in order to match with the lowered lingual root portion. Winding up the surgery with copious irrigation with saline followed by primary wound closure The mentioned step was carried out for both the study and the control group but in the in the study group, after removal of the pulp and biomechanical preparation, the canals were filled with GP. Multiple periapical radiographs were taken during endodontic procedure to ensure the correct filling of the canals and optimum filling till the apices. More over the surgeon made a point to use a sharp bur for every operation in order to excise the crown without mobilizing the roots. In the control group the pulp was left in place. Follows up initially third week followed by sixth month were done with the help of panoramic radiograph. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05744882
Study type Interventional
Source Altamash Institute of Dental Medicine
Contact
Status Completed
Phase N/A
Start date January 1, 2021
Completion date January 1, 2022

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