You should be very careful before letting anyone place fillers in your nose. The material is not FDA-approved for use in the nose.
Placing fillers in the nose can be very tempting. However, it has caused a number of very unfortunate side-effect such as skin loss, permanent deformities and aggressive infections.
Unless you are ready to deal with a permanent and irreversible problem, you should avoid having fillers placed in your nose.
The advantages of undergoing rasping of the hump include the permanent nature of it while reducing the size of the nose (not increasing the size of the nose with fillers).
Please see the article below that was published this year in the most prominent Plastic Surgery Journal which reviews some of these unfortunate outcomes.
Hope this was helpful.
Dr. Sajjadian
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Current Status of Grafts and Implants in Rhinoplasty: Part II. Homologous Grafts and Allogenic Implants
Sajjadian, Ali; Naghshineh, Nima; Rubinstein, Roee
Plastic & Reconstructive Surgery. 125(3):99e-109e, March 2010.
doi: 10.1097/PRS.0b013e3181cb662f
