robert1811 Messages 1 Reaction score 0 Thread starter Nov 3, 2008 #1 Hi all, My 9 year old just asked me what is harder.. teeth or bones? Any suggestions?
Moonbear Staff Emeritus Science Advisor Gold Member Messages 11,959 Reaction score 54 Nov 3, 2008 #2 Gotta love the questions kids ask! Actually, it's teeth...or more specifically, the outer enamel coating of teeth. The inner, dentin layer, is more like bone.
Gotta love the questions kids ask! Actually, it's teeth...or more specifically, the outer enamel coating of teeth. The inner, dentin layer, is more like bone.