Asia-Pacific Aligner Sheet Market, By Material ((Polyurethane (PU), Polyethylene Terephthalate Glycol (PETG) and Others), Layer (Multi-Layer and Single-Layer), End User (Large Orthodontics Manufactures, Medium Orthodontics Manufactures, Small Orthodontics Manufactures), Distribution Channel (Direct Tender, Online Channel and Others), Country (Japan, China, Australia, South Korea, India, Singapore, Thailand, Indonesia, Malaysia, Philippines, and Rest of Asia-Pacific) Industry Trends and Forecast to 2028.