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1. The dentist examined the patient's teeth and found a cavity in the lamina dentalis.
牙医检查了患者的牙齿，发现牙釉质中有龋洞。
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2. The enamel on the front teeth is much harder than that of the back teeth, providing better protectionagainst cavities.
前牙的珐琅质比后牙的更硬，能更好地防止蛀牙。
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3.Dental health is crucial for overall health, as it affects the functioning of the lamina dentalis and other structures in the mouth.
口腔健康对整体健康至关重要，因为它影响牙釉质和其他口腔结构的功能。