Mandibular Distraction Osteogenesis in Unilateral Craniofacial Microsomia : Preliminary Reportt
CHARAN MAHATUMARAT , M.D.*,
PRAYUTH CHOKRUNGVARANONT,M.D.*,
NOND ROJVA CHIRANONDA, M.D.*
Affiliation : * Plastic and Reconstructive Surgery Unit, Department of Surgery, Faculty of Medicine, Chulalongkom University,
Bangkok 10330, Thailand.
t Presented at the 7u. Asian-Pacific congress of International Confederation for Plastic Reconstructive and Aesthetic
Surgery, Phuket, Thailand. April 3-6, 1997.
AbstractAt present, Ilizarov's distraction principle becomes applicable in craniofacial surgery. We
would like to present a report of mandibular lengthening by distraction osteogenesis that has been
performed in 4 Thai children with unilateral craniofacial microsomia in King Chulalongkom Memo
rial hospital from 1996 to 1997. The distraction process was composed of latency, distraction, and
consolidation phases. After the latency period, the distraction was performed by a patient's family
member at home at the rate of 1 millimeter per day. Facial asymmetry and malocclusion were
improved in all cases after the process was completed. No complication was experienced. No
relapse or complication was detected after a mean follow-up period of 99.5 weeks. However, more
cases and longer follow-up are needed before any conclusion can be made.
Keywords : Mandibular Lengthening, Distraction, Osteogenesis, Ilizarov, Hemifacial, Craniofacial
Microsomia
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