Mine was stictched, but "whistled" and made other strange noises for about 2 weeks until that stopped, so I expect that was about the time it had fully closed. The stiches were removed after 17 days.

Tina
Diag: Aug. 13/12
T3N0M0
50% + glossectomy and bilateral radical neck dissection, removal of nodes zones I - V
Surgery October 11/12
Chemo/rad on hold due to clear margins and nodes
Sept 21/13 clear CT with anomaly thought to be the artery, being watched closely.
Dec 16/13 - anomaly confirmed artery, all clear
nickname: "get 'r done"
Plans: kick cancer's butt