Evaluation of Root Resorption Following Different Mandibular Incisors Intrusive Mechanics
NCT ID: NCT05414019
Last Updated: 2025-04-25
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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ENROLLING_BY_INVITATION
NA
21 participants
INTERVENTIONAL
2025-05-15
2026-01-31
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
BASIC_SCIENCE
NONE
Each patient will be followed up on periodic base for progress evaluation and integrity checks, as well as root resorption will be evaluated using CBCT images taken before and after the intrusion.
Ethical considerations:
An informed consent form (attached copy) that explains every step in the research will be given and discussed carefully with the patient and his/her parents before participation in the study and should be signed freely. The objectives of the study will be discussed and explained with the patients and / or their guardians and they will receive a copy of the consent form as well.
Data management and analysis:
The data will be collected, tabulated, and statistically analyzed using Statistical Package for Social Sciences (SPSS program, version 18, Inc., Chicago, III).
Study Groups
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Mini-screw
7 patients will receive an intrusive force delivered by elastics from 2 mini-screws between mandibular lateral incisor and mandibular canine.
Mini-screw
7 patients will receive an intrusive force delivered by elastics from 2 mini-screws between mandibular lateral incisor and mandibular canine.
Utility arch
7 patients will receive an intrusive force delivered by intrusive utility arch.
Utility arch
7 patients will receive an intrusive force delivered by intrusive utility arch.
Nitinol reverse curve wire
7 patients will receive an intrusive force delivered by Nitinol reverse curve wire.
Nitinol reverse curve wire
7 patients will receive an intrusive force delivered by Nitinol reverse curve wire
Interventions
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Mini-screw
7 patients will receive an intrusive force delivered by elastics from 2 mini-screws between mandibular lateral incisor and mandibular canine.
Utility arch
7 patients will receive an intrusive force delivered by intrusive utility arch.
Nitinol reverse curve wire
7 patients will receive an intrusive force delivered by Nitinol reverse curve wire
Eligibility Criteria
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Inclusion Criteria
* An age range between 12 and 16 years.
* Deep overbite with excessive curve of Spee of more than 5mm
* Over erupted lower incisors.
* Permanent teeth are all present (except for third molar).
* No previous orthodontic treatment.
* No indications or symptoms of periodontal disease in the past or present, as determined by clinical and radiographic examination
Exclusion Criteria
* Any previous trauma or root canal therapy
* Missing lower incisor.
* Patients with congenital dentoskeletal disorders
12 Years
16 Years
ALL
Yes
Sponsors
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Al-Azhar University
OTHER
Responsible Party
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Mahmoud Salah Mahmoud Ali Nassar
Principle investigator
Principal Investigators
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Mahmoud S Nassar, student
Role: PRINCIPAL_INVESTIGATOR
Al-Azhar University
Locations
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Al Azhar University
Cairo, , Egypt
Countries
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References
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Goel P, Tandon R, Agrawal KK. A comparative study of different intrusion methods and their effect on maxillary incisors. J Oral Biol Craniofac Res. 2014 Sep-Dec;4(3):186-91. doi: 10.1016/j.jobcr.2014.11.007. Epub 2014 Dec 6.
Hamdan AM, Lewis SM, Kelleher KE, Elhady SN, Lindauer SJ. Does overbite reduction affect smile esthetics? Angle Orthod. 2019 Nov;89(6):847-854. doi: 10.2319/030819-177.1. Epub 2019 Jul 15.
Piancino MG, Tortarolo A, Di Benedetto L, Crincoli V, Falla D. Chewing Patterns and Muscular Activation in Deep Bite Malocclusion. J Clin Med. 2022 Mar 19;11(6):1702. doi: 10.3390/jcm11061702.
Nielsen IL. Vertical malocclusions: etiology, development, diagnosis and some aspects of treatment. Angle Orthod. 1991 Winter;61(4):247-60. doi: 10.1043/0003-3219(1991)0612.0.CO;2.
Sonnesen L, Svensson P. Temporomandibular disorders and psychological status in adult patients with a deep bite. Eur J Orthod. 2008 Dec;30(6):621-9. doi: 10.1093/ejo/cjn044. Epub 2008 Aug 5.
Guven BA, Ciger S. Evaluation of the Effect of Fixed Anterior Biteplane Treatment on Temporomandibular Joint in Patients with Deep Bite. Turk J Orthod. 2020 Mar 1;33(1):8-12. doi: 10.5152/TurkJOrthod.2020.19108. eCollection 2020 Mar.
Millett DT, Cunningham SJ, O'Brien KD, Benson PE, de Oliveira CM. Orthodontic treatment for deep bite and retroclined upper front teeth in children. Cochrane Database Syst Rev. 2018 Feb 1;2(2):CD005972. doi: 10.1002/14651858.CD005972.pub4.
Nanda R. The differential diagnosis and treatment of excessive overbite. Dent Clin North Am. 1981 Jan;25(1):69-84. No abstract available.
Burstone CR. Deep overbite correction by intrusion. Am J Orthod. 1977 Jul;72(1):1-22. doi: 10.1016/0002-9416(77)90121-x.
Other Identifiers
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799/2234
Identifier Type: -
Identifier Source: org_study_id
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