Is closed rhinoplasty safer than opened?

When it comes to open vs. closed rhinoplasty neither is necessarily safer or better than the other. I personally use both techniques and base the decision on which method to use on what changes need to be made to the nose. I prefer the open approach when doing tip work as it affords better access to the tip. In skilled hands neither approach is particularly risky. You should base your decision on which surgeon to select to do your surgery on their long term results, not which surgical approach they use. Both the open and closed approaches have a many decades long history safe use when used in the right situations.You can read much more about the open vs. closed rhinoplasty approach at my web reference link below. 

 This depends on how experience the surgeon is. In more than 35 years of doing open and closed rhinoplasty I've never had any infection or serious complication. Choose the surgeon who does natural looking noses and let him choose which she has more expertise with. The most important thing is choosing a surgeon who does natural looking noses.