Is Packing the Nose Needed After Rhinoplasty and Septoplasty?

Internal Splints:
Inside the nose, most surgeons place some sort of internal splints after rhinoplasty. The internal splints do several things: (1) put mild pressure on the septum to prevent a septal hematoma, (2) help hold the inside straight during the early healing process, and (3) prevent scar bands from forming from the lateral side of the nasal passage to the septum. These can be soft plastic, silicone, telfa pads. They are left in place for one day to one week depending on the surgeon's preference.
Many patient's have heard horror stories of surgeons "packing" the nose after nasal surgery -- 1 to 3 feet of gauze packed into each side of the nose. As you can imagine, this would cause complete nasal obstruction and pressure and pain. Fortunately, this practice has largely been replaced by the above mentioned splints that are much more comfortable and do allow some degree of air to pass around them.
External Splints
The external splint is an important part of preserving your surgical result. Most surgeons place surgical tape/steri-strips on the exterior of the nose.
This helps do two very important things:

protect the skin from the splint
decrease the amount of swelling.

The tape puts mild pressure on the skin envelope and can help prevent a blood pocket (hematoma) from forming between the skin and the nasal framework. When a hematoma develops, the blood is eventually replaced by fibrous tissue (scar tissue) and can distort the nose or add volume to the tip.
On top of the surgical tape, surgeons will put an external splint made of aluminum, plaster, plastic, etc. The purpose of this splint is to protect the nose and hold the nasal bones in position if they were broken.
Discuss your concerns with any prospective surgeon. Ask lots of questions -- not only about the surgery -- but also what you can expect during the recovery period.

We do not routinely use nasal packing after rhinoplasty and septoplasty surgery. Nasal packing may breed infection, and having nasal packing is uncomfortable, and may lead to excessive bruising postoperative. Hope this helps you. Dr Joseph

Packing should be kept to a small piece to help control bleeding, not to do the surgery. This requires only a small piece of Telfa, not the old method of long strips of gauze! 

No one likes packing the nose. Not the patient or the surgeon. It makes breathing more difficult and is uncomfortable for the patient. In general, most surgeons will avoid using it if they don't need it.
However, sometimes when we are fixing the septum, we realize that the septum is much more deviated than we thought. Or, sometimes, we have to do extra things in order to make it more straight. In these cases, we may need to pack the one or both nostrils to support the delicate septum during the healing process.
In other words, packing the nose is not something we like to do, but we do it if we think it will benefit the patient.
I usually tell my patients that I rarely pack the nose, unless I see something during the surgery that makes me believe it is necessary. It is done only because I want to take good care of my patient and make sure everything heals correctly.
So, the decision is up to your surgeon and whether or not he/ she thinks it will be beneficial to your daughter. If he/she does use it, understand it was for your daughter's good.

This varies among surgeons.
To simplify the explanation I will use an analogy: Think of the septum as a sandwich of two layers of mucoperichondrium (bread) and the cartilage between them (meat).
A septoplasty involves lifting the mucopericondrium from the cartilage (lifting the bread off of the meat and sometimes removing it). This leaves an empty space between the two layers (bread) that can fill with blood under pressure (septal hematoma). This can cause the layers to erode and open the wound.
Applying pressure to both sides may prevent collection of the blood. This is accomplished with packing.
Alternatively, placing a quilting stitch back and forth between the two layers is also used to close down the empty space and prevent a collection.
Surgeons vary in their preferences due to personal experience. Discuss this with your surgeon to discover the technique they will utilize.