Palatal Cortical Bone Thickness in Thai Patients with Open Vertical Skeletal Configuration, Using Cone-beam Computed Tomography
Objective: To assess the palatal cortical bone thickness in Thai patients exhibiting anterior open bite and open vertical skeletal configuration, using cone-beam computed tomography (CBCT).
Materials and Methods: Fifteen CBCT images of Thai orthodontic patients (aged from 15 to 30 years) exhibiting Class I malocclusion with anterior open bite and open vertical skeletal configuration were recruited. The palatal cortical bone thickness was measured at 3.0-mm anteroposterior intervals from the middle of the distal bony margin of the incisive foramen, and at 3.0-mm mediolateral intervals from the midsagittal plane on both right and left sides.
Results: The palatal cortical bone thickness ranged from 1.27±0.40 to 2.90±0.63 mm. The cortical bone thickness measurements at all sites were equal to or greater than 1.0 mm.
Conclusions: CBCT-based investigation showed variations in palatal cortical bone thickness, and suggested the palatal cortical bone thickness at all sites of patients exhibiting anterior open bite and open vertical skeletal configuration is sufficient for primary stability in miniscrew implant placement.
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