| 1. | It can een descend into pockets around the base of teeth inside the gums
牙石还会沉入牙龈中牙齿根部周围的牙袋内。 |
| 2. | The accumulation of dental plaque will cause periodontal diseases that contribute to bad breath
累积的牙石会导致牙周病，从而引致口臭。 |
| 3. | Within 24 hours , plaque can harden to form tartar , which can only be removed by a professional
24小时内，牙垢膜便会硬化，形成牙石，必需由牙医清除。 |
| 4. | Basically ultrasonic vibrations are used to dislodge both plaque and tartar from the tooth surface
医生只要开动超声波工作手机使之接触牙石，牙石就会自动脱落。 |
| 5. | Hartz ? dental ? chew ' n clean ? are patented balls that help clean your dog ' s teeth and gums , removing harmful tartar
专业兽医研制，帮助清洁狗狗的牙齿和牙龈，去除有害牙石。 |
| 6. | Hm . . . your teeth look pretty good , but there ' s quite a bit of plaque behind your front teeth and around your back teeth . do you floss every day
唔… …你的牙齿看来相当好，但门牙背后和后面的牙齿周围有好些牙石，你有每天用牙线吗？ |
| 7. | A ： hm . . . your teeth look pretty good , but there ' s quite a bit of plaque behind your front teeth and around your back teeth . do you floss every day
唔… …你的牙齿看来相当好，但门牙背后和后面的牙齿周围有好些牙石，你有每天用牙线吗？ |
| 8. | No , ultrasonic vibrations gently break down the plaque , rather than an actual physical “ scaling ” . you can be rest assured that the procedure is perfectly safe
不会的。洁牙机是通过超声波的震动而不是磨除牙石的，因此不会损伤牙齿。定期洗牙会保持牙周组织的健康。 |
| 9. | After teeth cleaning , some cervical areas of the teeth , previously covered by plaque , may be exposed and become sensitive , and it will recover within a few days
去除牙石后，原来牙石所覆盖的牙冠与牙根交界处或牙根表面暴露，可能会出现敏感发酸的情况，通常过几天就会好的。同时您刷牙时牙龈出血的现象也会随之消失。 |
| 10. | As the plaque gets harder and thicker , it becomes what is known as dental calculus or tartar , a hard calcified layer that is irtually impossible to shift with normal brushing , you would hae to get the dental hygienist to do it
菌斑变硬增厚，即形成所谓的牙垢或牙石，它是一层很硬的钙化层，一般不能通过刷牙去除，必须得请牙医处理。 |
