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Sensory Retraining Facilitates Sensory Recovery After Mandibular Nerve Injury

Not Applicable
Conditions
Injury of Trigeminal Nerve
Surgery
Mandibular Prognathism
Registration Number
NCT01586598
Lead Sponsor
Chang Gung Memorial Hospital
Brief Summary

The purpose of this study is to determine whether sensory retraining exercise could improve lip numbness caused by bilateral sagittal split of mandible.

Detailed Description

The study is a prospective randomized controlled trial. The patients receiving bilateral sagittal split osteotomy and having lip numbness or paraesthesia will be included in this study. 80 patients will be included and randomized into two groups and there are 40 patients in each group. The control group is to maintain follow up in clinic and do not receive any sensory retraining exercise. The experimental group is requested to perform sensory retraining at home by themselves.

Recruitment & Eligibility

Status
UNKNOWN
Sex
All
Target Recruitment
80
Inclusion Criteria
  1. Taiwanese adult (18-40 y/o)
  2. Developmental dentofacial disharmony (Class III)
  3. Patients received orthognathic surgery (BSSO alone or with maxillary procedure)
Exclusion Criteria
  1. Medical condition associated with systemic neuropathy
  2. Unwilling to sign informed consent
  3. Congenital anomaly or acute trauma affecting the face
  4. Previous facial surgery
  5. Positive pain sensation at first week of post-surgery
  6. Altered sensation before OGS as numbness or unusual feeling
  7. Cleft lip and palate

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Primary Outcome Measures
NameTimeMethod
sensory function testone year after surgery

The sensory function evaluation include objective and subjective examinations as the followings:

1. Questionnaire

2. Visual analogue scale (VAS)

3. Two-point discrimination (2PD)

4. Pain detection threshold (PD) tests

5. Touch sensory threshold

Secondary Outcome Measures
NameTimeMethod

Trial Locations

Locations (1)

Chang Gung Memorial Hospital

🇨🇳

Taipei, Taiwan

Chang Gung Memorial Hospital
🇨🇳Taipei, Taiwan

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