When a large dorsal hump is reduced the bridge dorsum of the nose appears flat this is an open roof deformity.
Open roof deformity nose.
If alignment failure is unilateral the nose appears asymmetric.
It depends on how low or high the nasal bones are positioned.
The hump is removed with a scalpel essentially a slice of bone is taken away.
After the bone is sliced away the nose looks great on profile view.
Correction involves assuring centralization of the septum and complete medial mobilization of the lateral segments following.
On profile view a large dorsal hump causes the nose to look like it has a big bump.
The best way to explain an open roof deformity is to start by explaining hump reduction rhinoplasty.
A space is formed when the nasal bones do not come together near the top of the nose.
How to correct it.
Typically the nasal skin grows or droops and vertical lines or depressions start to appear.