WhyareKid’sTeethSoYellow?（轉貼）MyChild’steethareyellownomatterwhatIdo–Whatisgoingon?Thisisoneofthemostcommonquestionswegetabout2nd,3rdand4thgradechildren.Whileplentyofkidswhoneedmorehelpbrushing,themostcommonreasonforyellowteethistheinherentdifferencesbetweenpermanentteethandbabyteethaswellasyoungvsolderpermanentteeth.Herearesomeexamples:YoungpermanentteethhavereallyREALLYbigne...[閱讀全文]
