Accuracy of a CAD/CAM Surgical Template for Mandible Distraction

Accuracy Evaluation of A CAD/CAM Surgical Template for Mandible Distraction

The purpose was to assess the accuracy and clinical validation of virtual planning and surgical template in mandible distraction osteogenesis. Patients with hemifacial microsomia were enrolled. Virtual planning and simulation were performed on three-dimensional models. Distraction was simulated on virtual model and the new morphology of the mandible was predicted. The position and direction of the distractor was determined to achieve the optimal morphology. The templates were designed based on virtual planning and manufactured using three-dimensional printing technique. The template is designed to assist the surgeon to perform the osteotomy and predrill the screw holes to guide the distractor position. The outcome evaluation was completed by comparing planned outcomes with postoperative outcomes. Linear and angular differences for the distractor was measured.

Study Overview

Study Type

Interventional

Enrollment (Anticipated)

30

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Locations

      • Shanghai, China
        • Recruiting
        • Ninth People's Hospital, Shanghai Jiaotong University School of Medicine
        • Contact:
          • Biao Li, Master

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

6 years to 60 years (Child, Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Patients who were scheduled to undergo mandibular DO via intraoral approach
  • Patients who were scheduled to undergo CT scan as a part of their diagnosis and treatment
  • Patients who agreed to participate in this study

Exclusion Criteria:

  • Patients requiring more than one distractor of the mandible
  • Patients with mandible defect
  • Patients with previous mandibular trauma

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Linear differences of the distractor position
Time Frame: within latency period (5-7 days after the surgery)
within latency period (5-7 days after the surgery)
angular differences of the distractor vector
Time Frame: within latency period (5-7 days after the surgery)
within latency period (5-7 days after the surgery)

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Investigators

  • Study Chair: Xudong Wang, Ninth People's Hospital, Shanghai Jiaotong University School of Medicine

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

January 1, 2014

Primary Completion (Actual)

April 30, 2016

Study Completion (Anticipated)

December 31, 2018

Study Registration Dates

First Submitted

August 31, 2017

First Submitted That Met QC Criteria

August 31, 2017

First Posted (Actual)

September 1, 2017

Study Record Updates

Last Update Posted (Actual)

September 1, 2017

Last Update Submitted That Met QC Criteria

August 31, 2017

Last Verified

August 1, 2017

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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