Microanalysis of Changes in 3D Geometry of Orthodontic Mini-implants

NCT ID: NCT06743360

Last Updated: 2024-12-24

Study Results

Results pending

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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Recruitment Status

ACTIVE_NOT_RECRUITING

Total Enrollment

20 participants

Study Classification

OBSERVATIONAL

Study Start Date

2024-10-10

Study Completion Date

2025-03-01

Brief Summary

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The orthodontic mini-implants used in the study are temporary screws inserted into the bone to provide anchorage for challenging tooth movements that could not be carried out using the patient's own teeth. They are made of a medical grade titanium alloy (Ti6Al4Va), with a length of 8 mm and a diameter of 1.3 mm. After the completion of the treatment phase requiring specific anchorage, they are removed and disposed of as a medical waste.

The insertion of the mini-screw is conditioned by the individual treatment plan and the treatment protocol would not differ from the standard treatment.

The aim of the project is to analyze changes in the macrogeometry and wear of the surfaces of retrieved orthodontic micro-implants after their clinical use. Upon completion of clinical tasks, the mini-screws will be removed and retrieved for laboratory phase of the study. The laboratory phase will consist of: microscopic and profilometric examinations, as well as scanning before insertion and after removal of the mini-implants, and a clinical phase: the use of previously scanned and sterilized mini-implants in patients participating in the study.

Detailed Description

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Conditions

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Malocclusions Malocclusion, Angle Class I Malocclusion, Angle Class II

Keywords

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orthodontic mini-implants skeletal anchorage orthodontic miniscrews orthodontic mini-screws temporary anchorage device TAD 3D superimpostion geometric changes

Study Design

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Observational Model Type

CASE_ONLY

Study Time Perspective

PROSPECTIVE

Study Groups

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Test group

Patients seeking for orthodontic treatment with the need of use of the mini-implants

Insertion

Intervention Type DEVICE

Twenty orthodontic mini-implants (n=20) (AbsoAnchor SH 1312-08, Dentos, Daegu, South Korea) were randomly chosen (every third screw from a sample of 60) numbered consecutively, and embedded in polivynyl siloxane impression material Variotype heavy putty (Kulzer, Hanau, Germany).

Scanning

Intervention Type DEVICE

After the planned movement is achieved, the mini-implant will be removed and provided to laboratory analysis. All screws were sputtered (0.6µm CaCO₄) and scanned in blue-light technology, using a 3D optical scanner (Atos III, Triple Scan, GOM, Germany) to the nearest 2 micrometres. Due to regularly performed calibration procedures, recommended by the manufacturer, an error study was superfluous. Subsequently, the scans were superimposed using GOM Inspect Software (GOM, Braunschweig, Germany) in order to verify the shape and size repeatability.

Interventions

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Insertion

Twenty orthodontic mini-implants (n=20) (AbsoAnchor SH 1312-08, Dentos, Daegu, South Korea) were randomly chosen (every third screw from a sample of 60) numbered consecutively, and embedded in polivynyl siloxane impression material Variotype heavy putty (Kulzer, Hanau, Germany).

Intervention Type DEVICE

Scanning

After the planned movement is achieved, the mini-implant will be removed and provided to laboratory analysis. All screws were sputtered (0.6µm CaCO₄) and scanned in blue-light technology, using a 3D optical scanner (Atos III, Triple Scan, GOM, Germany) to the nearest 2 micrometres. Due to regularly performed calibration procedures, recommended by the manufacturer, an error study was superfluous. Subsequently, the scans were superimposed using GOM Inspect Software (GOM, Braunschweig, Germany) in order to verify the shape and size repeatability.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Adult patient in the active phase of orthodontic treatment with a fixed orthodontic appliance.
* The individual treatment plan involving tooth movements that require anchorage reinforcement: asymmetric intrusion, space closure through mesialization or distalization.
* Clinical indications and the possibility of placing a mini-implant in the interradicular space of the maxillary/mandibular alveolar bone (possibility of using the AbsoAnchor SH1312-08 mini-implant).
* Informed consent of the patient.

Exclusion Criteria

* Individualized treatment plan involving the use of a mini-implant different from the one used in the study.
* Lack of consent for participation in the study.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Katarzyna Stefaniak Private Practice

UNKNOWN

Sponsor Role collaborator

Pomeranian Medical University Szczecin

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Department of Interdisciplinary Dentistry

Szczecin, West Pomeranian Voivodeship, Poland

Site Status

Private Dental Practice "Morze Usmiechu"

Świnoujście, West Pomeranian Voivodeship, Poland

Site Status

Countries

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Poland

References

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Crismani AG, Bertl MH, Celar AG, Bantleon HP, Burstone CJ. Miniscrews in orthodontic treatment: review and analysis of published clinical trials. Am J Orthod Dentofacial Orthop. 2010 Jan;137(1):108-13. doi: 10.1016/j.ajodo.2008.01.027.

Reference Type BACKGROUND
PMID: 20122438 (View on PubMed)

Jedlinski M, Janiszewska-Olszowska J, Mazur M, Grocholewicz K, Suarez Suquia P, Suarez Quintanilla D. How Does Orthodontic Mini-Implant Thread Minidesign Influence the Stability?-Systematic Review with Meta-Analysis. J Clin Med. 2022 Sep 9;11(18):5304. doi: 10.3390/jcm11185304.

Reference Type BACKGROUND
PMID: 36142951 (View on PubMed)

Chaimanee P, Suzuki B, Suzuki EY. "Safe zones" for miniscrew implant placement in different dentoskeletal patterns. Angle Orthod. 2011 May;81(3):397-403. doi: 10.2319/061710-111.1. Epub 2011 Jan 24.

Reference Type BACKGROUND
PMID: 21261491 (View on PubMed)

Eliades T, Zinelis S, Papadopoulos MA, Eliades G. Characterization of retrieved orthodontic miniscrew implants. Am J Orthod Dentofacial Orthop. 2009 Jan;135(1):10.e1-7; discussion 10-1. doi: 10.1016/j.ajodo.2008.06.019.

Reference Type BACKGROUND
PMID: 19121491 (View on PubMed)

Patil P, Kharbanda OP, Duggal R, Das TK, Kalyanasundaram D. Surface deterioration and elemental composition of retrieved orthodontic miniscrews. Am J Orthod Dentofacial Orthop. 2015 Apr;147(4 Suppl):S88-100. doi: 10.1016/j.ajodo.2014.10.034.

Reference Type BACKGROUND
PMID: 25836349 (View on PubMed)

Cho IS, Kim TW, Ahn SJ, Yang IH, Baek SH. Effects of insertion angle and implant thread type on the fracture properties of orthodontic mini-implants during insertion. Angle Orthod. 2013 Jul;83(4):698-704. doi: 10.2319/082812-689.1. Epub 2012 Dec 10.

Reference Type BACKGROUND
PMID: 23216058 (View on PubMed)

Francioli D, Ruggiero G, Giorgetti R. Mechanical properties evaluation of an orthodontic miniscrew system for skeletal anchorage. Prog Orthod. 2010;11(2):98-104. doi: 10.1016/j.pio.2010.04.014. Epub 2010 May 15.

Reference Type BACKGROUND
PMID: 20974446 (View on PubMed)

Other Identifiers

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KB-OIL/05/2024

Identifier Type: -

Identifier Source: org_study_id