PMC6508945_01
The findings of lateral cephalometric analysis revealed skeletal Class-II
malocclusion (A point, nasion, B point angle: 12.0 ) and a severe
dolichofacial type (Frankfurt mandibular plane angle: 55.0 ).
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Lateral X-ray findings revealed skeletal Class-II malocclusion and a severe dolichofacial type, at which point corrective surgery was recommended (Figure 1). Because of her severe dolichofacial type, the titration of the mandible was set at about 80% of the maximum forward movement distance (Figure 1).
Two-piece mandibular advancement device without elastic retention band
(2a) and with elastic retention band (2b).
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Considering that her LCF values were low and that she continued to experience snoring and dry mouth with the two-piece OA, a consensus was reached that the patient should commence OMFT with the OA, and an ERB should be added to prevent her from sleeping with her mouth open (Figure 2).