@article{杨刚,
title = {牙周健康的上颌前牙唇侧嵴顶上牙龈的三维形态分析},
author = {杨刚 and 胡文杰 and 曹洁 and 柳登高 },
journal = {北京大学学报. 医学版},
volume = {},
pages = {990-994},
year = {2021},
}