1Resin material is safe, non-toxic and harmless 2Protecting gingiva from collapse 3Preventing teeth pulp from physical or chemical stimulation after porcelain teeth or gold teeth 4Helping fix your teeth temporarily and keeping oral clean and healthy 5Realistic shape and color can beautify your teeth These dental crowns are used to prevent your teeth from stimulation after porcelain teeth or gold teeth. It can help to isolate the damage of various of physical and chemical stimuli on the pulp and to prevent the shifting of preparation teeth. Comes 70pcs in one bag is practical and convenient to replacement. Features: Resin material is safe, non-toxic and harmless. Protecting gingiva from collapse. Preventing teeth pulp from physical or chemical stimulation after porcelain teeth or gold teeth. Helping fix your teeth temporarily and keeping oral clean and healthy. Realistic shape and color can beautify your teeth. Specifications: Condition: 100% Brand New Type: Oral Care Material: Resin Color: As Pictures Show Quantity: 1 x Bag of 70PCS Dental Crowns Package Weight: Approx. 10g Package Include: 1 x Bag of 70PCS Dental Crowns Notes: 1. Keep oral hygiene, pay attention when brushing. 2. Please don't eat hard or sticky food with dental crown.