Research Article

Clinical Analysis of Approach Selection of Extraction of Maxillary Embedded Mesiodens in Children

Table 6

The relationship between the type of the cases and surgical approach.

Type of casesType of approach, number of cases (residuals)
PGMALPALGMALLACLPA

Acute (including the same direction)50 (-0.9)6 (-0.7)9 (1.7)4 (1.4)13 (0)
Vertical26 (-5)8 (0.7)7 (1.3)5 (2.7)22 (3.9)
Obtuse65 (-2.6)24 (4.5)14 (2.6)3 (0)12 (-1.9)
Inverted225 (8.3)15 (-2.9)9 (-2.8)2 (-2.5)18 (-5.5)
Mixed43 (-3.5)6 (-0.9)2 (-1.8)2 (-0.2)35 (6.6)

, . Cramer’s , . PGMA: palatal gingival margin approach; LPA: local palatal approach; LGMA: labial gingival margin approach; LLA: local labial approach; CLPA: combined labial-palatal approach.