Every month a new aligner material lands in your inbox: smoother, more retentive, more predictable. Then you finish the case and you are looking at the same refinement scan as three years ago. A 2025 Seminars in Orthodontics review separates what is documented from what is implied across materials, attachments and protocols. The short version: brand differences are real, but smaller than the planning differences within the same brand. New on the blog.