Are multiple permanent sutures used beneath the skin in otoplasty? How would I be able to tell if a suture has broken? (Photo)

I had otoplasty performed 5 mos ago. Bc 1 ear was over-corrected & 1 under-corrected, my ears were asymm. A wk ago, I had the refinement. Y'day I thought I heard a pop in my corrected ear. I feel no pain. My ear looks the same. I called my PS, he said that a suture could've broken but suspects, bc my ear looks "normal", all is okay. How easy is it to break a suture? The correction was to the antihelical. Should this be an issue? Are multiple sutures typically used in the event that 1 is to fail?

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