The additional enamel (much harder than the dentin in tooth interiors) makes hypsodont teeth more wear-resistant than low-crowned teeth are. 这些额外的珐琅质（比其内部的牙质硬很多）使高冠齿比低冠齿耐磨得多。
Namely, it was the first early horse to be a true hypsodont.
也就是说，它是第一匹成为真正的hypsodont的早期马。
英语百科
Hypsodont
Hypsodont is a pattern of dentition with high-crowned teeth and enamel extending past the gum line, providing extra material for wear and tear. Some examples of animals with hypsodont dentition are cows and horses; all animals that feed on gritty, fibrous material. The opposite condition is called brachydont.