1. She has good comm of Cold-light Tooth Whitening technology indolence technology for the treatment of acheomycin tooth, yellow tooth bad colour tooth. She is a "gentle dentist" in true meanings. 给四环素牙、黄牙及牙色不佳者一口美丽的皓齿，给畏惧疼痛的患者享受无痛治疗的舒适感觉，真正做个“温柔牙医”。
2. Tooth nerve became bad (left penult playing role tooth) , should the proof pull out tooth? Can that affect the tooth of other? 牙神经坏了（左下角倒数第二颗牙），是不是证明要拔除牙齿？那会不会影响到其它的牙齿？
3. Top medium slice a tooth of the additional tooth of area, if at in slice a tooth don't harbour to pull out before, generally can prevent°fro up in slice the tooth wrong. 上中切牙区的额外牙，若在中切牙未萌出前拔除，一般可以防止上中切牙错位。
4. Look from dental exterior, the tooth has root of tooth coronal, tooth and tooth neck 3 parts composition. 从牙齿的外观上看，牙齿有牙冠、牙根及牙颈三部分组成。
5. Look from dental exterior, the tooth has root of tooth coronal, tooth and tooth neck 3 parts composition. 从牙齿的外观上看，牙齿有牙冠、牙根及牙颈三部分组成。
