1.usingadvancedtechnologytomakesurethebase'sdensity,foralongtime'susecanforminto***oothsurfaceandbehardtobecoloredandplaqueattached.2.usingimportedandexcellentmaterialandsolvedeffectivelythesituationofdrymouthandhalitosis,feelmorecomfort.3.maketheteethmorenaturalandlifelike4.eximiousmaterialfunctionsolasttheteeth'slife5.googbiocompatibilitycanguaranteehumanbeing'shealth6.passedFDAregistration,enclosedqualityguaranteecard)