Sanjivan Kandasamy (July 2011). “Evaluation and management of asymptomatic third molars: Watchful monitoring is a low-risk alternative to extraction”. 《American Journal of Orthodontics and Dentofacial Orthopedics》 140 (1): 11–17. doi:10.1016/j.ajodo.2011.05.008. PMID21724081.
Sanjivan Kandasamy (July 2011). “Evaluation and management of asymptomatic third molars: Watchful monitoring is a low-risk alternative to extraction”. 《American Journal of Orthodontics and Dentofacial Orthopedics》 140 (1): 11–17. doi:10.1016/j.ajodo.2011.05.008. PMID21724081.