Abstract
This study aimed to compare the anatomical features of alveolar cleft in patients with complete unilateral cleft lip and palate (UCLP) of different ages. Sixty UCLP patients were divided into 3 groups as follows: group 1 (7-12 years old), group 2 (13-18 years old) and group 3 (more than 18 years old). The radiographic images were analyzed based on cone beam computed tomography (CBCT) images. The mean age in 3 groups was 10.45 ± 1.15, 15.05 ± 1.90, and 22.55 ± 3.00 years (P < 0.0001). The lip-palatal width in Group 2 and 3 was 15.14 ± 3.67 mm and 15.50 ± 3.92 mm, which was significantly larger than 12.97 ± 1.82 mm in Group 1 (P = 0.037). The volume of alveolar defect was 1.09 ± 0.23 cm, 1.28 ± 0.38 cm and 1.40 ± 0.58 cm in 3 groups, and the difference between any 2 of them was significant (P = 0.0004). The prevalence of ipsilateral but contralateral maxillary sinusitis was significant among 3 groups (P = 0.0015) while the other nasal deformities including nasal septum deviation and inferior turbinate hypertrophy was not found significant. Alveolar cleft volume increased with age, which is properly due to enlarged width of lip-palatal defect. The significant higher frequencies of ipsilateral maxillary sinusitis in patients under 18 could increase the risk of bone infection.
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