I wouldn't let a little thing like that keep me from skiing; I don't ski on my shoulder.
Don't let post-injury depression get you down!
Shoulder injuries I have had, in order of occurrence (and not all at once!):
1. Fractured clavicle along with fractured scapula and crushed the glenoid into many, many pieces (apparently not operable);
2. 3rd degree separated shoulder (three torn ligaments, collarbone hanging down by 1.5 inches) - Bonus PT for this injury returned lost range of motion from injury #1;
3. Broken humerus at the ball;
4. Dislocated shoulder.
P.S. After the dislocated shoulder, I managed to ski out the season for about 6 weeks without falling - so it is possible.
P.P.S With all those screws in there, the bone should be pretty secure.
P.P.S. Skiing with a painful injury makes adding a scotch to your après-ski pint of beer much appreciated.
EDIT: P.P.P.S. Don't Fall!