When you remove the cap the syringe works but the hole the gel comes out through is quite big. The ones I bought from my dentist came with a smaller tip that you add when you remove the cap. Luckily I had another one, so I'll use this tip. Without the smaller tip, it is much more difficult to get the correct and tiny amount needed for each tooth into the recess of the mouth mold. However, it's a lot cheaper even if you spend a little with a large syringe hole, as my dentist charged for a syringe the same amount I paid for that entire batch.
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