Is It Possible to Put Cartilage Back into the Tip of my Nose to Lengthen It?

The post op profile picture you show is not a true profile as is the pre-op picture. You are turned towards the camera and one can see your eyelashes from  the other side in the post op picture, so a comparison is not accurate. Even on that view, the nose looks good and proportional. One cannot judge your front view without more pictures. You need to be patient and not so judgmental so soon after surgery. It will be months before most of  your swelling has gone down and probably a year before 95%  has dissipated. If you do want a revision after giving your nose the time to heal, cartilage is the graft of choice to lengthen your nose.

You only posted the profile pictures before and after. They look excellent.

You did not post the frontal view???which you are complaining about.

With the naso-labial angle on profile I dout that your nostrils now excessively show. .

 

You are too early after surgery wait one year for final critique.

I think you have a great results based on the pictures you posted.

I am sure you will find some one to operate on you, But you will Not get a better result