Clinical assessment of maxillary protraction with skeletal anchorage for skeletal Class III caused by maxillary retrognathism.

Clinical assessment of maxillary protraction with skeletal anchorage for skeletal Class III caused by maxillary retrognathism. - Clinical assessment of maxillary protraction with skeletal anchorage.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000033620

Enrollment

Registered

2019-04-01

Start date

2019-04-01

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

Skeletal Class III caused by maxillary retrognathism

Interventions

Maxillary protraction with skeletal anchorage Maxillary protraction without skeletal anchorage

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Patients who visited the Okayama University Hospital Orthodontic clinic 2) Patients of skeletal Class III relationships with maxillary deficiency 3) Patients with Hellman's Dental age(IIIA) 4) Patients who got consent from relatives

Exclusion criteria

Exclusion criteria: 1) Uncooperative patient 2) Patient with uncontrolled systemic disease 3) Patient with congenital syndrome 4) Patients who are judged that they are inadequate by principal investigator or members of this study

Design outcomes

Primary

Measure	Time frame
anterior-posterior variation of maxilla at one year later from start of maxillary protraction.	—

Countries

Japan

Contacts

Public ContactMasahiro Nakamura

Okayama University Hospital Department of Orthodontics

nakamurama@okayama-u.ac.jp086-235-6796

Outcome results

None listed

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