3[1]Joshi MR . Transmigrant mandibular canines: a record of 28 cases and a retrospective review of the literature[J]. Angle Orthod, 2001,Feb; 71 (1): 12 -22.
4[2]Bodner L, Bar -Ziv J, Becker A. Image accuracy of plain film radiography and computerized tomography in assessing morphological abnormality of impacted teeth[J]. Am J Orthod Dentofacial Orthop,2001, Dec; 120(6): 623 - 8.
5[3]Frank CA, Long M. Periodontal concerns associated with the orthodontic treatment of impacted teeth [J]. Am J Orthod Dentofacial Orthop, 2002 , Jun; 121 (6): 639 -49.
6[4]Allman KG, Barker LL, Werrett GC et al. Comparison of articaine and bupivacaine/lidocaine for peribulbar anaesthesia by inferotemporal injection[J]. Br J Anaesth , 2002 , May; 88(5): 676 - 8.
7[5]Chu FC, Siu AS, Newsome PR et al. Management of median diastema [J]. Gen Dent,2001 ,May -Jun; 49(3): 282 -7.
