门牙前的“豁”，真是嗑瓜子嗑出来的？

一到春节，嗑瓜子几乎成了每个家庭聚会的必备项目。坐在沙发上，与许久未见的亲朋好友边聊天边嗑瓜子，似乎是过年期间的一个经典场景。

这时候可能会有人会谈及一个话题：

A：你门牙这个“豁”是嗑瓜子留下的吗？

B：是呀！你竟然也有！

那门牙前的这个“豁”，到底是怎么来的？又对牙齿会有什么影响呢？

门牙前的“豁”真是嗑瓜子惹的祸？

其实，很多人门牙上都有这个“豁”，这种牙也被称为“瓜子牙”。长时间嗑瓜子的确会造成“瓜子牙”，但也不排除其他原因，比如一些外力导致的牙齿破损等。虽然嗑瓜子本身似乎无害，但长期频繁地进行这一行为，确实可能会对牙齿造成严重损害。

瓜子的外壳坚硬，咀嚼时和牙齿接触的面积却很小，因此施加在门牙切缘处的压强巨大，长时间用力咬开瓜子，不仅容易导致牙齿的磨损，还可能出现不规则的“凹坑”或裂纹。

While snacking on melon seeds may seem harmless, engaging in this behavior frequently over the long term can indeed lead to serious damage to the teeth.

The hard shell of the seeds, coupled with the small contact area when chewing, exerts significant pressure on the incisal edges of the teeth. Continuously exerting force to crack open seeds not only risks wearing down the teeth but may also result in irregular "pits" or cracks.

特别是在长期不注意保护的情况下，这些损伤会逐渐加重，最终可能导致牙齿的崩裂或缺损。最常见的后果是“瓜子牙”，即牙齿上留下明显的凹痕，影响外观和功能。

If not protected over time, these damages can worsen, potentially resulting in tooth fractures. The common outcome is "melon seed teeth", marked by visible pits on the teeth, affecting both aesthetics and function.

如果注意到自己的牙齿有磨损或凹陷的情况，尤其是门牙，最好及时去牙科诊所检查并进行修补。补牙齿的费用相对较低，早期处理能够避免出现更大的问题。

然而，虽然牙齿补好，甚至看上去“天衣无缝”，但是牙齿修复并不意味着你可以继续不加节制地嗑瓜子。修复后的牙齿依然脆弱，过度嗑瓜子仍然可能导致再次损伤。

吃到这种瓜子，立马吐！

Melon seeds with a strange taste are often the result of prolonged storage or improper storage conditions, leading to mold and spoilage. Moldy seeds can contain carcinogenic aflatoxins, with both long-term and excessive exposure increasing the risk of cancer.

carcinogenic /ˌkɑːrsɪnəˈdʒenɪk/：致癌的

Aflatoxins are typically deactivated through high-temperature processes and are not easily broken down by regular cooking temperatures. Therefore, even when consuming fried melon seeds, if there is a moldy or bitter taste, it is advisable to promptly spit them out and rinse your mouth.

如何健康“嗑瓜子”？

• 不想长胖，控制在这个量

It is recommended to consume 50-70 grams of nuts per week, which averages to about 10 grams per day, equivalent to 1.5-2 handfuls of in-shell melon seeds.

• 保护心血管，要选择原味

There are various flavors of melon seeds such as milky, five-spice, caramel, and sea salt. However, it is not recommended to consume these flavored seeds. In cases where some are moldy or have a strange taste, the unique flavors can mask the issue, making it difficult to detect, leading to potential health risks. Additionally, these types of seeds are generally high in sugar and salt, which are not heart-friendly.