机头：牙科器械执于手中的部分，使钻头或工作头旋转- brachiofaciolingual
- brachium
- Bracht's maneuver
- brachy-
- Brachyarcus
- brachybasia
- brachycardia
- brachycephalia
- brachycephalic
- brachycephalism
- brachycephalous
- brachycephaly
- brachycheilia
- brachychily
- brachychronic
- brachycnemic
- brachycranial
- brachycranic
- brachydactyly
- brachyesophagus
- brachyfacial
- brachygnathia
- brachygnathous
- brachykerkic
- brachyknemic