The relationship between unilateral cleft lip, bilateral cleft lip, palatal
clefting and left-right hand dominance was studied in 337 patients with cl
eft lip and/or palate aged between 3 and 14 years. There was no statistical
ly significant difference in the laterality of handedness between different
types of cleft nor between unilateral left and right sided cleft lip with
or without cleft palate. (C) 2000 The British Association of Plastic Surgeo
ns.