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An 800-pound brown bear just got the world’s largest dental crown—and he’s showing off his “shiny new smile” at the Lake Superior Zoo.
一只重达800磅的棕熊刚刚获得了全球最大的牙冠，如今他正带着“闪亮的新笑容”在苏必利尔湖动物园自豪展示。
Tundra made dental history this week when veterinarians fitted him with a massive titanium alloy crown, marking the first time such a procedure has been performed on a bear.
这只名叫 Tundra 的熊本周创造了牙科史上的里程碑——兽医为他安装了一个巨型钛合金牙冠，这是该类手术首次应用于熊身上。
Dr. Grace Brown, the brave, board-certified veterinary dentist who led the procedure, called it unprecedented.
这项手术由勇敢且获得专业认证的兽医牙科医生格蕾丝·布朗博士主导，她称其“史无前例”。
“This is the largest crown ever created in the world,” she said. “It has to be published.”
“这是世界上有史以来制作的最大牙冠，”她说道，“这必须要发表出来。”
She plans to document the groundbreaking surgery in the Journal of Veterinary Dentistry later this year.
她计划今年晚些时候将在《兽医牙科杂志》上发表这项具有突破性的手术成果。
The massive crown was custom-made by Creature Crowns in Idaho using a wax cast of Tundra’s damaged canine tooth.
这一巨型牙冠由爱达荷州的“动物牙冠”公司专门定制，采用了Tundra受损犬齿的蜡模铸造而成。
The 6-year-old bear originally fractured the tooth in 2023 and received a root canal, but when he re-injured the same tooth, veterinarians decided a permanent metal crown was the best solution.
这只6岁的熊最初在2023年折断了牙齿，曾接受根管治疗，但后来再次损伤同一颗牙齿，兽医决定采用永久性金属牙冠作为最佳解决方案。
The titanium crown is designed to protect his tooth for the rest of his life, ensuring this 800-pound bear can keep chomping without any issues.
这枚钛合金牙冠旨在终生保护他的牙齿，确保这只800磅重的熊今后可以无忧地“啃咬人生”。
精选词汇
【dental】/ˈdentl/ adj.
Relating to teeth or dentistry. 牙齿的；牙科的
例句：Dental procedures in wild animals require special expertise and equipment.
野生动物的牙科手术需要专业技术与专用设备。
【crown】/kraʊn/ n.
A cover or cap placed over a damaged tooth. 牙冠；（修复用的）牙套
例句：The dentist placed a ceramic crown over the fractured molar.
牙医在断裂的臼齿上安装了陶瓷牙冠。
【titanium】/taɪˈteɪniəm/ n.
A strong, light metal often used in medical implants. 钛（金属元素）
例句：Titanium implants are known for their durability and biocompatibility.
钛植入物因其耐用性和生物相容性而广受欢迎。
【alloy】/ˈælɔɪ/ n.
A mixture of two or more metals. 合金
例句：Titanium alloy is commonly used in aerospace and surgical tools.
钛合金常用于航空航天和外科手术器械。
【shiny】/ˈʃaɪni/ adj.
Reflecting light; bright in appearance. 闪亮的；发光的
例句：The crown gave the bear a shiny, metallic smile.
牙冠为这只熊带来了金属光泽的笑容。
【procedure】/prəˈsiːdʒə(r)/ n.
A series of actions conducted in a certain order. 手术；程序；步骤
例句：The surgical procedure lasted over two hours due to the complexity.
由于手术复杂，整个过程持续了两个多小时。
【veterinarian】/ˌvetərɪˈneəriən/ n.
A doctor who treats animals. 兽医
例句：Veterinarians often face unpredictable challenges in zoo environments.
在动物园环境中，兽医经常面临不可预测的挑战。
【fit】/fɪt/ v.
To install or place something appropriately. 安装；适配
例句：The crown was carefully fitted over the bear’s canine tooth.
牙冠被小心地安装在这只熊的犬齿上。
【mark】/mɑːk/ v.
To indicate or represent a significant event or point. 标志；意味着
例句：This event marked a milestone in wildlife dental medicine.
这次事件标志着野生动物牙科医学的一个重要里程碑。
【unprecedented】/ʌnˈpresɪdentɪd/ adj.
Never done or known before. 前所未有的；空前的
例句：The surgery represented an unprecedented advancement in veterinary dentistry.
该手术代表了兽医牙科领域前所未有的进展。
【publish】/ˈpʌblɪʃ/ v.
To make content publicly available, especially in print. 发表；出版
例句：She plans to publish the findings in a peer-reviewed journal.
她计划将研究成果发表在同行评审期刊上。
【document】/ˈdɒkjumənt/ v.
To record details about an event or process for future reference. 记录；归档
例句：Researchers documented the entire procedure for scientific analysis.
研究人员记录了整个过程以供科学分析。
【groundbreaking】/ˈɡraʊndˌbreɪkɪŋ/ adj.
Innovative and pioneering. 开创性的；突破性的
例句：The groundbreaking dental operation set a precedent in animal care.
这项突破性的牙科手术为动物治疗树立了新范例。
【custom-made】/ˌkʌstəm ˈmeɪd/ adj.
Made specifically to fit or suit a particular person or purpose. 定制的
例句：The crown was custom-made to match the bear’s dental anatomy.
牙冠是根据这只熊的牙齿结构专门定制的。
【cast】/kɑːst/ n.
A mold or shape formed by pouring material into a mold. 模型；铸型
例句：A wax cast of the tooth was used to fabricate the crown.
牙齿的蜡模被用于制作牙冠。
【fracture】/ˈfræktʃə(r)/ v.
To break or crack, especially a bone or hard structure. 折断；断裂
例句：The bear fractured his canine tooth while chewing a large bone.
这只熊在啃大骨头时折断了犬齿。
【root canal】/ruːt kəˈnæl/ n.
A dental treatment involving removal of nerve and pulp inside the tooth. 根管治疗
例句：After a fracture, root canal treatment was necessary to save the tooth.
断裂后，为挽救牙齿必须进行根管治疗。
【re-injure】/ˌriːˈɪndʒə(r)/ v.
To cause damage to a previously injured area. 再次受伤
例句：He re-injured the same tooth while playing with a hard toy.
他在玩硬玩具时再次伤到同一颗牙齿。
【permanent】/ˈpɜːmənənt/ adj.
Lasting or intended to last indefinitely. 永久的
例句：The metal crown provides a permanent solution to tooth damage.
金属牙冠为牙齿损伤提供了永久解决方案。
【solution】/səˈluːʃn/ n.
A means of solving a problem or dealing with a challenge. 解决方案
例句：The crown was the optimal solution to preserve the bear’s dental health.
牙冠是保护熊牙齿健康的最佳解决方案。
【ensure】/ɪnˈʃʊə(r)/ v.
To make certain that something will happen. 确保；保障
例句：The procedure ensures the bear can continue to eat without pain.
这项手术确保熊今后进食无痛。
【chomp】/tʃɒmp/ v.
To chew or bite vigorously. 啃咬；大口咀嚼
例句：The crown allows the bear to chomp down on food as usual.
牙冠让这只熊能够像往常一样啃咬食物。
【canine tooth】/ˈkeɪnaɪn tuːθ/ n.
A pointed tooth between the incisors and molars. 犬齿
例句：The canine tooth is essential for gripping and tearing food.
犬齿对于抓住和撕咬食物至关重要。
【procedure】/prəˈsiːdʒə(r)/ n.
An established method of conducting an operation or process. 手术；操作流程
例句：This dental procedure was carefully planned and executed.
这项牙科手术经过了精心策划和执行。
【lead】/liːd/ v.
To be in charge or command of something. 领导；主导
例句：Dr. Brown led the interdisciplinary team during the operation.
布朗博士在手术中领导了这支跨学科团队。
【brave】/breɪv/ adj.
Showing courage and resolve. 勇敢的
例句：The brave team worked closely with the bear under sedation.
这支勇敢的团队在熊镇静状态下紧密协作完成操作。
【Zoo】/zuː/ n.
A facility where animals are housed for public viewing and education. 动物园
例句：The Lake Superior Zoo is home to over 300 animals.
苏必利尔湖动物园拥有超过300种动物。
【protect】/prəˈtekt/ v.
To keep someone or something safe from harm or injury. 保护
例句：The titanium crown was designed to protect the tooth for life.
这枚钛牙冠被设计用来终生保护牙齿。
【massive】/ˈmæsɪv/ adj.
Extremely large or heavy. 巨大的；庞大的
例句：The massive crown was the largest ever placed in veterinary history.
这枚巨大牙冠是兽医史上前所未有的。
【ensure】/ɪnˈʃʊə(r)/ v.
To make certain of something happening or continuing. 确保
例句：The veterinary team ensured the bear recovered safely.
兽医团队确保这只熊安全康复。
【lifespan】/ˈlaɪfspæn/ n.
The length of time for which something exists or functions. 使用寿命；生命周期
例句：The crown was engineered to last the bear’s entire lifespan.
这枚牙冠的设计寿命覆盖熊的整个人生。
