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asked in Health+Fitness by (0 points) 1

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answered by (294 points) 8
Differenve between the metal and non-metal crown is that, metal crown is made of some metal like chromium, molebdenum, palladium, even Gold etc, however nickel is not used; while non-metal crown is made of zirconium. The zirconia nonmetal is not the mineral zircon that is used for making costume jewelry, zirconia dental crowns are popular and advised by the dental health experts.

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