3 sentences

1. 错误观念：乳牙不重要。

   cuò​wù guān​niàn: rǔ​yá bù zhòng​yào.

   Misconception: Baby teeth don’t matter.

   Source: UM-Corpus: News

2. 他还有三颗乳牙。

   tā hái​yǒu sān kē rǔ​yá.

   He still has three baby teeth.

   Source: OpenSubtitles

3. 许多父母认为乳牙并不重要，因为它们最终会被恒牙代替。

   xǔ​duō fù​mǔ rèn​wéi rǔ​yá bìng​bù zhòng​yào, yīn​wèi tā​men zuì​zhōng huì bèi héng​yá dài​tì.

   Many parents think baby teeth aren’t important because they’re eventually replaced by permanent ones.

   Source: CCMatrix