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单词 Third molar
释义

Third molar

英语例句库

Tooth implants were generated from pig third molar tooth bud cells seeded onto polyglycolide (PGA) and polyglycolide-colactide (PLGA) scaffolds, and grown for 4 weeks in the omenta of adult rat hosts.

将猪的第三磨牙牙胚细胞接种到PGA和PLGA支架材料用于构建牙齿的移植物,并将上述移植物在成年大鼠大网膜内移植4周。

原声例句
连线杂志

Technically known as our third molars.

一般称为我们的第三磨牙。

日常生活医学科普

Wisdom teeth are also called third molars.

智齿也被称为第三磨牙。

双语版 TED-Ed 演讲精选

According to the fossil record, ancient humans usually had straight teeth, complete with third molars — or wisdom teeth.

根据化石记录,古人的牙齿通常都排列得很整齐,且是有第三臼齿或智齿的完整组合。

Scishow 精选系列

Much later in our lives, we get our final teeth, the third molars, aka wisdom teeth.

在我们生命中的很久之后,我们会长出最后的牙齿,即第三磨牙,也就是智齿。

Scishow 精选系列

There are skulls of early Homo species with third molars that never developed, and this has become more common in modern humans.

早期人类物种的头骨中, 有第三臼齿从未发育的情况,这种情况在现代人类中变得更加常见。

英语百科

Wisdom tooth

A wisdom tooth protrudes outwards from the gumline with inflamed tissue at the back (pericoronitis; green arrow)
Some problems which may or may not occur with third molars: A Mesio-impacted, partially erupted mandibular third molar, B Dental caries and periodontal defects associated with both the third and second molars, caused by food packing and poor access to oral hygiene methods, C Inflamed operculum covering partially erupted lower third molar, with accumulation of food debris and bacteria underneath, D The upper third molar has over-erupted due to lack of opposing tooth contact, and may start to traumatically occlude into the operculum over the lower third molar. Unopposed teeth are usually sharp because they have not been blunted by another tooth (attrition).

A wisdom tooth or third molar is one of the three molars per quadrant of the human dentition. It is the most posterior (most distal) of the three. Wisdom teeth generally erupt between the ages of 17 and 25. Most adults have four wisdom teeth (a third molar in each of the four quadrants), but it is possible to have fewer or more, in which case the extras are called supernumerary teeth. Wisdom teeth commonly affect other teeth as they develop, becoming impacted or "coming in sideways". They are often extracted when this occurs.

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更新时间:2025/6/24 2:54:58