Table 2

Oro-dental characteristics of LDS-causing mutations

TGFBR1
(LDS1)
TGFBR2
(LDS2)
SMAD3
(LDS3)
TGFB2
(LDS4)
TGFB3
(LDS5)
Total
Number of patientsn=15n=14n=3n=7n=1n=40
Abnormal palate 15 (100.0) 13 (92.8) 0 (0.0) 5 (71.4) 1 (100.0) 34 (85.0)
Retrognathic mandible 14 (93.3) 13 (92.8) 2 (66.7) 4 (57.1) 0 (0.0) 33 (82.5)
Enamel defects7 (46.7) 10 (71.4) 2 (66.7) 3 (42.8)0 (0.0) 22 (55.0)
Class II malocclusion 8 (53.3) 9 (64.2) 2 (66.7) 3 (42.8)0 (0.0) 22 (55.0)
Gingivitis 9 (60.0) 9 (64.2) 1 (33.3)0 (0.0) 1 (100.0) 20 (50.0)
Submucosal cleft or abnormal uvula6 (40.0) 9 (64.3) 0 (0.0)0 (0.0)0 (0.0)15 (37.5)
TMJ abnormality6 (40.0)5 (35.7)1 (33.3)1 (14.3) 1 (100.0) 14 (35.0)
Deep bite6 (40.0)5 (38.5)0 (0.0)1 (14.3) 1 (100.0) 13 (33.3)
Dental crowding1 (6.7)3 (21.4) 2 (66.7) 1 (14.3)0 (0.0)7 (17.5)
Delayed eruption0 (0.0)4 (28.5)0 (0.0)0 (0.0)0 (0.0)4 (10.0)
  • Frequencies of each phenotype are mentioned along with the percentage within the category in parenthesis. Frequencies higher than 50% are bolded.

  • LDS, Loeys-Dietz syndrome; TMJ, temporomandibular joint.