There exist a variety of techniques for augmenting the dorsum during Asian rhinoplasty. Techniques utilizing synthetic grafts and en bloc cartilage techniques will typically have swelling resolve within the first year, while diced cartilage fascia techniques may take up to two years. Without...
Nonsurgical rhinoplasty with hyaluronic acid fillers is a temporary option, and shouldn't be relied upon for a long-term, and certainly not life-long, change. If the concern is with the longevity of the silicone implant, the optimal solution would involve removing the previously placed silicone...
Regardless of issue, 6 months is a bit early to consider another revision rhinoplasty. Without having seen your pre-operative photos, and without knowing how your dorsum was augmented, it's hard to say whether the horizontal line is something to be concerned with at this point in your healing....
