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13. [The clinical application and modification of the Quad Helix appliance]. Lai W; Yamazoe K; Ochi K; Hanada K Hua Xi Kou Qiang Yi Xue Za Zhi; 2001 Apr; 19(2):95-8. PubMed ID: 12539421 [TBL] [Abstract][Full Text] [Related]
14. Three palatal arches used to correct posterior dental crossbites. Martinelli FL; Couto PS; Ruellas AC Angle Orthod; 2006 Nov; 76(6):1047-51. PubMed ID: 17090174 [TBL] [Abstract][Full Text] [Related]
15. Evaluation of individualized quad-helix appliance for treating lateral maxillary collapse in cleft palate children. Utreja A J Indian Soc Pedod Prev Dent; 1988 Mar; 6(1):38-42. PubMed ID: 3078328 [No Abstract] [Full Text] [Related]
16. [Development of an orthodontic screw plate appliance (III)]. Schienbein H Quintessenz; 1985 Oct; 36(10):1873-8. PubMed ID: 3912799 [No Abstract] [Full Text] [Related]