清晨的口腔科诊室里，26岁的程序员小李怔怔地望着Ⅹ光片——那颗本应服役数十年的第一磨牙，此刻 只剩下漆黑的空洞。诊室外，年轻的面孔排成长龙，有人用舌尖反复舔舐新出现的龋洞，有人对着手机 前置镜头检查缺牙的豁口，有人捂着脸焦急等待着护士叫号。 这些场景正构成口腔科诊室的日常。当"老掉牙"的认知还停留在长辈记忆里，现代生活的洪流正让牙齿 的衰老加速，越来越多年轻人过早地面临牙齿罢工。 糖衣包裹的隐形伤害 种植牙并非一劳永逸 国家卫健委最新流调数据揭示：18岁至35岁人群龋齿患病率已突破54.7%。这一数字背后，是无数隐匿 的糖分和不良生活习惯在作祟。 那些包装精致的"零蔗糖"能量棒，实则暗藏结晶果糖的陷阱，其代谢后造成的低pH值，可以让人类坚 硬的牙釉质软化如湿木；运动饮料的侵蚀，让每天畅饮500毫升的年轻人，牙齿脱矿的风险骤增3倍；在 深夜的电子屏幕前，另一场灾难正在发酵：夜宵搭配各种肥宅快乐水，熬夜工作或通宵娱乐后的口腔 pH值普遍跌至5.5的脱矿临界点，变异链球菌等致龋微生物疯狂代谢产酸；健身达人或许不曾察觉，蛋 白粉中的柠檬酸铁铵悄然螯合着牙齿中的矿物质；隐形矫治器与牙齿的微小缝隙间，致龋菌浓度可达自 然 ...

Core Viewpoint - The AI Fund ICBC Healthcare Stock (000831) reported a profit of 209 million yuan for Q2 2025, with a weighted average profit per fund share of 0.1826 yuan, and a net asset value growth rate of 5.88% during the period [2]. Fund Performance - As of July 18, the fund's net asset value growth rates were 17.16% over three months, 28.87% over six months, 26.93% over one year, and -9.65% over three years, ranking 45/54, 38/54, 41/53, and 26/46 among comparable funds respectively [3]. - The fund's Sharpe ratio over the past three years was -0.0674, ranking 25/46 among comparable funds [9]. - The maximum drawdown over the past three years was 36.8%, with the largest single-quarter drawdown occurring in Q3 2022 at 24.01% [11]. Fund Composition and Strategy - As of June 30, the fund maintained an average stock position of 88.71% over the past three years, slightly above the comparable average of 88.19% [14]. - The top ten holdings of the fund as of Q2 2025 included companies such as Heng Rui Medicine, Kelun Pharmaceutical, and BeiGene, among others [19]. Market Outlook - The fund manager expressed optimism regarding long-term trends in refractive surgery technology, increasing penetration rates for myopia prevention, and growth in dental implants and medical aesthetics [2]. - The medical device sector is expected to face challenges in 2024, but a turning point may occur in the second half of 2025 as companies begin to alleviate inventory pressures [2].