An exposed suture must be removed because otherwise one risks inflammation of the ears. Unfortunately there is nothing that can be done about the unnatural edges along the antihelical fold as they are due to the excision of cartilage. This is undoubtedly a disadvantage of the traditional methods...
Pain is usually mild after otoplasty. if you are experiencing significant asymmetric pain you should visit your team and have them take down the bandage to have a look. If you have a haematoma or infection prompt intervention would be indicated.