The Collaborative International Dictionary of English v.0.48:

Meloplasty \Mel"o*plas`ty\ (m[e^]l"[-o]*pl[a^]s`t[y^]), n. [Gr.
   mh^lon an apple, a cheek + -plasty: cf. F. m['e]loplastie.]
   (Surg.)
   The process of restoring a cheek which has been destroyed
   wholly or in part.
   [1913 Webster]