Scaling for the first time, as more tartar, and some may be uncomfortable, but if persevered, and attention to oral hygiene, Scaling will be much better next time.

• 第一次洗牙，因为牙垢较多，可能会有些难受，但只要坚持下来，并注意保持口腔清洁，下次洗牙就会好多了。