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来自维基百科,自由的百科全书
牙间隙(学名:diastema;众数:diastemata),亦作齿虚位[1],是指两枚牙齿之间的空隙。很多哺乳动物物种的牙齿都有牙间隙,当中大多数都位于门齿与凹齿之间。
而某些人类在其门齿之间亦有牙间隙。在非洲某些部落,前牙间隙被认为是一种审美标准。
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