- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04282772
Ectopic Eruption of Permanent First Molars
Ectopic Eruption of Permanent First Molars: A Retrospective Study
Study Overview
Status
Intervention / Treatment
Detailed Description
Assessment of Angulation The angles between the axes of the PSMs and the long axes of the PFMs were measured. The angle was measured using ImageJ application (1.50 n, National Institutes of Health, Bethesda, MD, USA). The long axes were formed by a line extending parallel to the center of the tooth in an occluso-cervical manner. The vertical angle was defined as (-) or (+) according to Sun et al.The angles between the occlusal lines of the PSMs and the PFMs were measured. The horizontal angle was defined as (-) or (+) according to Sun et al.
Assessment of PSM Root Resorption The distal root resorption level of the PSM was determined using Barberia-Leache et al.'s classification2 as follows; Grade I: mild-limited resorption of the cementum or with minimum dentin penetration Grade II: moderate-resorption of the dentin without pulp exposition Grade III: severe-resorption of the distal root leading to pulp exposure Grade IV: very severe-resorption that affects the mesial root of the PSM.
Assessment of PFM Mesialization Ratio The mesiodistal size of the PFM and the amount of mesialization were measured by the Image J application to evaluate the differences between reversible and irreversible ectopic eruption. The mesiodistal size was measured from the largest part of the crown, and the amount of mesialization was measured using the distance between the drawn tangent on the distal wall of the PSM and the mesial convexity of the PFM. Afterwards, the amount of mesialization was proportioned to the mesiodistal size of the PFM.
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
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Eskişehir, Turkey, 26040
- Eskisehir Osmangazi University
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
-Among the 11,924 radiographs, only the children who had at least one ectopically erupted PFM were included.
Exclusion Criteria:
-Presence of any history of extraction due to impaction, orthodontic treatment, or caries; the presence of any craniofacial anomalies, congenital deformities, or syndromes involving dental eruption; absent adjacent PSMs; and presence of any cyst, tumor, or other pathological condition in the molar area.
Study Plan
How is the study designed?
Design Details
- Observational Models: Other
- Time Perspectives: Retrospective
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
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Ectopic Eruption
The ectopic eruption of PFMs were classified in two ways: impacted and self-corrected.
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Until an active treatment for the PFM is started or the early exfoliation of PSM occurs, the tooth remains in a self-locking position
The ectopic erupted permanent molar can disregard the self-locking position and continue in a normal direction, but the distal root of the PSM remains more or less a significant atypical resorption
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Determination of the ectopic eruption prevalence.
Time Frame: 6 months
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Data were collected retrospectively from clinical notes and panoramic radiographs.
Among the 11,924 radiographs, only the children who had at least one ectopically erupted PFM were included.
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6 months
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Determination of the ectopic eruption related factors.
Time Frame: 3 months
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The angulation of PFM, mesialization ratio of PFM, and degree of adjacent PSM tooth root resorption were assessed using ImageJ application.
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3 months
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Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2019/77-12
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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