金歯 is read as きんば (kimba) and means gold tooth.
きんば
kimba
きんり
interest rate
きんぱつ
blond hair
きんけん
power of money
きんせき
epigraph
かなぐ
metal fittings
きんぴら
chopped burdock root (and sometimes carrot) cooked in sugar and soy sauce
きんこんしき
golden wedding (anniversary)
は
support (of a geta)
いれば
false tooth
まえば
front tooth
よわい
(one's) age
ぶぶんいれば
partial denture