4 pieces dental laboratory cosmetic lips dental examination arrangement mid illusion internal effect - 4 different mouth shapes

4 pieces of dental laboratory cosmetic lip dental examination arrangement middle illusion internal effect - 4 shape of the mouth different item details: this product is suitable for dental laboratory technology shape modification section, quality inspection, tooth extraction, etc. arrangement aid for teeth, midline, medium illusion effect. packing list: 4 pieces as shown in the picture