Clinical observations of flapless implant operation with implant navigation in the areas of maxillary premolar
Sun Zhen-yu, Zhang Ming-rui, Chen Guang, Wang Dao-fu, Feng Jie, Hu Bin
Chinese Journal of Tissue Engineering Research . 2011, (48): 8955 -8959 .  DOI: 10.3969/j.issn.1673-8225.2011.48.007