Your canines don't seem to be blunt but if you want them sharper, they can easily be done either by adjusting from sides maintaining something called canine guidance or rebuilt in conical shape with tooth colored filling materials.
Based on your photos and my 10 + years of experience with cosmetic dentistry, I would not recommend a spring retainer to correct your teeth alignment. Retainers are simply used to retain teeth in their current positions, not move them into their correct positions. I would highly...
Hi, from the photo it seems that you have perfect set of teeth. but it depends on individual perception. i would suggest take some good professional fullface photos from different angles and then evaluate with someone you trust. if you still feel, it could be improved, seek our help.