Table 3: Cephalometric analysis- Case 3
Since the patient suffered from amelogenisis imperfecta, a potential re-treatment with braces was not an option. CAT with 20 sets of aligners were planned using dual attachments on the labial and lingual surfaces to intrude the upper posterior teeth and extrude the anterior teeth.
The conventional attachments were also placed on the labial and lingual surfaces (upper labial attachments: #17, #15, #12, #11, #21, #22, #25, #27; upper palatal attachments: #13, #12, #11, #21, #22, #23; lower labial attachments: #37, #35, #33, #32, #42, #43, #45, #47).
Optimized attachments were placed on the labial surfaces of #31 and #41. (Fig. 20)