Residual fragment of rubber base material.
D003760:Dental Impression Materials / Q000009:adverse effects*; D005260:Female; D005547:Foreign Bodies; D005882:Gingival Diseases / Q000209:etiology; D006801:Humans; D008875:Middle Aged; D012826:Silicone Elastomers / Q000009:adverse effects*
D003760:Dental Impression Materials; D012826:Silicone Elastomers