odontologic

例句：

1. 1.Odontology is the branch of dentistry that deals with diseases and conditions affecting the teeth and gums.
   牙科学是牙科的一个分支，研究影响牙齿和牙龈的疾病和状况。
2. 2. The dentist performed a thorough examination of my teeth before recommending treatment.
   牙医在我接受治疗前对我进行了彻底的牙齿检查。
3. 3. In odontology, there are many techniques used to treat tooth decay and gum disease.
   在牙科学中，有许多技术被用来治疗蛀牙和牙龈疾病。