JNSUR 0.5-3.0mm Dental Orthodontic Piece Splint Retainer Vacuum Hard/Soft Thermoforming Material Square/Round Denture Forming

JNSUR 0.5-3.0mm Dental Orthodontic Piece Splint Retainer Vacuum Hard/Soft Thermoforming Material Square/Round Denture Forming

Aliexpress UK