NCT03855072

Brief Summary

Two groups with mandibular prognanthism indicated for mandibular setback by intraoral vertical ramus osteotomy . first group will fixed with maxillomandibular fixation and the second group will fixed by customized plate

Trial Health

35
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
24

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Jun 2019

Typical duration for not_applicable

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

February 21, 2019

Completed
5 days until next milestone

First Posted

Study publicly available on registry

February 26, 2019

Completed
3 months until next milestone

Study Start

First participant enrolled

June 1, 2019

Completed
2.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 1, 2022

Completed
7 months until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2022

Completed
Last Updated

February 26, 2019

Status Verified

February 1, 2019

Enrollment Period

2.6 years

First QC Date

February 21, 2019

Last Update Submit

February 24, 2019

Conditions

Keywords

Mandibular Prognanthism,customized plate

Outcome Measures

Primary Outcomes (1)

  • Patient Satisfaction

    Patient were asked to fill out a questionnaire in order to investigate their satisfaction degree after surgery ,according to an adapted (10 cm) visual analogue scale (VAS) from 0 to +10 0 is the least satisfied 10 is the most satisfied

    immediately postoperative

Secondary Outcomes (1)

  • stability of Mandible

    pre- operative , 2 weeks postoperative , 2 months postoperative , 6 months postoperative

Study Arms (2)

Customized plate fixation

EXPERIMENTAL

Customized Plate fixation of Vertical Ramus Osteotomy after Mandibular Setback \- intervention: * All cases will undergo one surgery under general anesthesia. * Incision was made medial to external oblique ridge from the asendindg ramus to second molar region * The intraoral vertical osteotomy is accomplished by using an oscillating saw to make the cut from the sigmoid notch through the inferior border of the mandible. * 3D virtual planning and 3D mandible model represented fom CBCT in MIMICS * The customized fixation plate is positioned to fix the proximal and distal segment together

Procedure: customized fixation plate

maxillomandibular fixation

ACTIVE COMPARATOR

Mandibular Setback by Vertical Ramus Ostotmy fixed with Maxillomandibular fixation \- intervention: * All cases will undergo one surgery under general anesthesia * incision was made medial to external oblique ridge from the asendindg ramus to second molar region . * The intraoral vertical osteotomy is accomplished by using an oscillating saw to make the cut from the sigmoid notch through the inferior border of the mandible. * Patient is placed in maxillomandibular fixation (MMF) using a prefabricated occlusal splint

Procedure: maxillomandibular fixation

Interventions

* All cases will undergo one surgery under general anesthesia. * Incision was made medial to external oblique ridge from the asendindg ramus to second molar region * Amucoperiosteal flap was reflected to expose the lateral mandibular ramus to the posterior border and the sigmoid notch * The intraoral vertical osteotomy is accomplished by using an oscillating saw to make the cut from the sigmoid notch through the inferior border of the mandible. * 3D virtual planning and 3D mandible model represented fom CBCT in MIMICS * The customized fixation plate is positioned to fix the proximal and distal segment together after setback

Also known as: patient specific osteosynthesis
Customized plate fixation

* All cases will undergo one surgery under general anesthesia. * incision was made medial to external oblique ridge from the asendindg ramus to second molar region . * The intraoral vertical osteotomy is accomplished by using an oscillating saw to make the cut from the sigmoid notch through the inferior border of the mandible. * Patient is placed in maxillomandibular fixation (MMF) using a prefabricated occlusal splint to assure accuracy of the mandibular position.

Also known as: intermaxillary fixation
maxillomandibular fixation

Eligibility Criteria

Age18 Months+
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

You may qualify if:

  • All subjects were required:
  • Patients with mandibular prognanthism indicated for mandibular setback.
  • All ages \>18 years
  • Patients should be free from any systemic disease that may affect normal healing of bone, and predictable outcome.
  • Patients with good general condition allowing surgical procedure under general anesthesia.
  • Patients with physical and psychological tolerance

You may not qualify if:

  • History of mandibular trauma
  • Previous orthognathic surgery
  • Degenerative disease of temporomandibular joint
  • Craniofacial syndrome such as cleft lip or palate
  • Follow up period will be less than 6 months

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

Malocclusion, Angle Class III

Interventions

Jaw Fixation Techniques

Condition Hierarchy (Ancestors)

MalocclusionTooth DiseasesStomatognathic Diseases

Intervention Hierarchy (Ancestors)

Oral Surgical ProceduresSurgical Procedures, OperativeDentistry

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: * A Randomized Controlled Trial * A Trial will be carried out in Hospital of Oral and Maxillofacial surgery departement- faculty of Dentistry , Cairo University * Equal randomization : participant with equal probabilities for intervention * Parallel group study : Each group of patients recieves a single treatment simultaneously
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
associate lecturer

Study Record Dates

First Submitted

February 21, 2019

First Posted

February 26, 2019

Study Start

June 1, 2019

Primary Completion

January 1, 2022

Study Completion

August 1, 2022

Last Updated

February 26, 2019

Record last verified: 2019-02