adj.（面）颊的，口的，口腔的

The dentist performed a thorough examination of the patient's buccal cavity.
牙医对患者的口腔进行了全面检查。
She applied a numbing gel to his buccal area before the dental procedure.
在牙科手术前，她在他的口腔内侧涂上了麻醉凝胶。
Buccal swabs are often used in forensic investigations for DNA analysis.
口腔拭子常用于法医调查中进行DNA分析。
He habitually bit down on his lower lip, causing irritation to his buccal mucosa.
他常常咬下唇，导致口腔黏膜发炎。
The patient experienced severe pain in their buccal region after the tooth extraction.
拔牙后，患者感到严重的口腔疼痛。
Buccal piercings have become a popular form of body art among some youth.
口腔穿孔在一些年轻人中已经成为一种流行的体饰艺术形式。
The buccal thermometer is a non-invasive way to measure body temperature.
口腔体温计是一种无创的测量体温的方法。
She practiced proper brushing technique, ensuring her bristles reached the buccal crevices.
她练习正确的刷牙技巧，确保牙刷触及到口腔内侧的缝隙。
Buccal cells can provide genetic information without drawing blood, making them a convenient sample source.
口腔细胞无需抽取血液就能提供遗传信息，非常方便作为样本来源。
After eating, he rinsed his mouth with water to remove any food particles from his buccal surfaces.
吃完东西后，他用水漱口，以清除口腔表面的食物残渣。