The Efficacy of Computer-Based Pre Operative Planning System for Orthognathic Surgery and Fabrication of Intra-operative Positioning Guides

The Efficacy of Computer-Based Pre Operative Planning System for Orthognathic Surgery and Fabrication of Intra-operative Positioning Guides - Efficacy of Computer-Based Pre Operative Planning System

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000031362

Enrollment

Registered

2018-02-20

Start date

2018-06-01

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

Jaw deformity

Interventions

Surgical guides (during operation) Application of barium when taking CT

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients having a two-jaw surgery in the Osaka University Hospital. Overjet ranged from -10 mm to 0 mm.

Exclusion criteria

Exclusion criteria: Patients having missing teeth (the number of the missing teeth is greater than six; (excluding the third molars). Patients having CO-CR discrepancy (greater than 3 mm)

Design outcomes

Primary

Measure	Time frame
Differences between the planned outcomes and postoperative outcomes of the maxillary and mandibular position	—

Countries

Japan

Contacts

Public ContactChihiro Chihiro Tanikawa

Osaka University Dental hospital Department of Orthodontics and Dentofacial Orthopedics

tanikawa.chihiro.dent@osaka-u.ac.jp+81-6-6879-2958

Outcome results

None listed

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