4 ms·Both of those links are about using the third molar. Is that the same as the "first left upper molar"?by dogruck 9y agoBoth of those links are about using the third molar. Is that the same as the "first left upper molar"?bonzini 9y agoThe third molars are the wisdom teeth. The first molar grows around 6 years of age. At 7-8, kids only have the four first molars (molars only grow once, no tooth fairy for them).dogruck 9y agoMakes sense. Any links relevant to how they can be so precise using the first molar?