Is it possible to have a revision rhinoplasty (L-type silicone implant)?

From the photo, it looks like the nasal bone on the right side didn't heal in the correct position. An exam would be needed to know for sure, but if it's just the positioning of the bone, then it should be able to be improved with a revision. Be sure to see a rhinoplasty expert for consultation.

It's tough to tell with certainty the cause of your nasal blockage - an exam would be necessary. You appear to have deep "supra-alar creases" which may lead to external valve collapse in some. If your nostrils collapse on inspiration, you may have an external nasal valvular problem. Best to...

Based on your photos, you appear to have thin nasal skin and a wide, droopy tip appearance. The bony or cartilage abnormalities may be addressed with revision rhinoplasty, depending upon your examination. Hope this helps you. Dr Joseph