Conventional beveled attachments were placed on the labial and lingual surfaces of the dentiton (upper labial attachments: #15, #14, #13, #12, #11, #21, #22, #23, #24, #25; upper palatal attachments: #13, #12, #11, #21, #22, #23; lower labial attachments: #34, #33, #32, #31, #42, #43, #44, #45; lower lingual attachments: #31, #41).