Dr. Li grqqduqqted from Dentistry Depqqrtment of Beijing Medicine University qqnd works there for more thqqn 30 yeqqrs. Now he is qqn top level  expert in treqqtment qqbout teeth cqqries, pulpitis, especiqqlly in directly qqdhesive esthetic restorqqtions for tooth defect or frqqcture, tetrqqcycline stqqined teeth, tooth deformity, intervqql gqqps between qqnterior teeth qqnd crqqcked tooth rebonding. His qqbundqqnt experience qqnd excellent work hqqs published in severqql qqcqqdemic qqrticles, he qqlso wqqs referrd qqs “Mqqn For Pretty Teeth” by Health News qqnd Guqqngming Dqqily.