Objective To investigate the features of primary tooth structure in hypophosphatasia.

目的观察低磷酸酯酶症在乳牙结构上的表现。

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Crowns strengthen and protect the remaining tooth structure and can improve the appearance of your smile.

牙冠可以加强和保护剩馀的牙齿结构，并改善外观。

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Analyzes from the tooth structure, they very possibly have both the zoophagous and the food grass characteristic.

从牙齿结构上分析，它们很可能兼具食肉和食草特征。

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"The less tooth structure you remove, the longer the tooth will last, " says Dr. Spitz, who is occasionally paid to speak for Biolase.

WSJ: To Cut Tooth Decay: A Laser vs. a Drill

Lasers vary in type, but one major brand, Waterlase, works by heating water molecules in the tooth, which then expand and dislodge decayed tooth structure, according to manufacturer Biolase Inc.

WSJ: To Cut Tooth Decay: A Laser vs. a Drill