It's a great approach if you're interested in more of a short-term solution. Fillers do a beautiful job as far as giving an appearance of an improved dorsum of the nose, however you have to understand that it is not a permanent solution to that problem; anywhere from 6 to 18 months.

Non-Surgical Dorsal Hump Correction Using Fillers

Dr. Arthur Handal describes how injectable fillers can only help correct a nose's appearance in the short term.