1.Dynamic smile reanimation in facial nerve palsy
Krishnakumar Krishnan SANTHA ; Subin JOSEPH ; Sameer LATHEEF ; Saju NARAYANAN ; Santhy Mohanachandran NAIR ; Bibilash BABU ; Anand SIVADASAN ; Srivatsa Manjunath SHET ; Rajesh Vardhan PYDI ; Ajit PATI ; Srikant Aruna SAMANTARAY
Journal of the Korean Association of Oral and Maxillofacial Surgeons 2020;46(2):143-149
Objectives:
Long-term facial paralysis results in degeneration of the distal nerve segment and atrophy of the supplied muscles. Options for these patients include free muscle transfer, temporalis myoplasty, and botulinum toxin injections for smile reanimation. In this study we aimed to evaluate the subjective and objective outcomes of these procedures.
Materials and Methods:
In our study, we retrospectively analyzed smile symmetry in patients with facial palsy (n=8) who underwent facial reanimation procedures.
Results:
Subjective analysis showed high satisfaction in seven out of eight patients. Objective analysis showed statistically significant improvement postoperatively in both vertical and horizontal smile symmetry at rest and during maximum smile (P<0.001).
Conclusion
Choosing the ideal procedure for the patients is the most critical aspect for facial reanimation. Though free muscle transfer is considered gold standard procedure, temporalis myoplasty also gives satisfactory results. Residual synkinesis which can lead to disturbing aesthetic deformity can be effectively treated with botulinum toxin.
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