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Development of novel miniscrew.

Development of novel miniscrew. - Development of novel miniscrew.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000019821
Enrollment
400
Registered
2015-11-30
Start date
2015-12-01
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Malocclusion

Interventions

Novel developed miniscrew (NDM) group: patients with implantation of NDM between the date of approval and March 2020. Duration of interventional study: During multi-bracket treatment (approximately 2

Sponsors

Department of Orthodontics and Dentofacial Orthopedics, Institute of Biomedical Sciences, Tokushima University Graduate School
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Patients will have been diagnosed with the application of miniscrew implants between the date of approval and March 2020.

Exclusion criteria

Exclusion criteria: ?Unmanageable severe systemic disease ?Unmanageable bleeding disorder, Uncooperative patients without motivation ?Drugs, alcohol, nicotine addiction patients, and dysfunction of treatment resistance for long time ?Xerostomia ?Opportunistic immunodeficiency and leukocyte dysfunction ?Diseases requiring a regular steroid ?Unmanageable endocrine disease ?Hypersensitivity to titanium/ titanium alloy ?Abnormal wound healing function ?Administered bisphosphonates ?Not in good general condition ?The implanted area has some problems such as inflammation, tumors, cysts, lesions, and trauma

Design outcomes

Primary

MeasureTime frame
Stability of miniscrew implants (at 1-3 months after implantation)

Secondary

MeasureTime frame
The tightening torque and loosening torque of miniscrew implants (after implantation immediately)

Countries

Japan

Contacts

Public ContactKeiichiro Watanabe

Tokushima University Graduate School Department of Orthodontics and Dentofacial Orthopedics, Institute of Biomedical Sciences

nabe@tokushima-u.ac.jp088-633-7357

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026