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Table 1 Prevalence of condyle destruction was classified by the Billiau scale [1]. Condyle morphology was analysed according to side. Destruction was classified in two different groups as slightly affected (Group I) and severely affected (Group II)

From: TMJ pathomorphology in patients with JIA-radiographic parameters for early diagnosis-

Prevelance of Condyle destruction according to side % of patients (n = 46)  
 Bilateral destruction  30 (14)  
 Unilateral destruction  22 (10)  
 No involvement  48 (22)  
Prevalence of condyle destruction according to Billiau % of condyles (n = 92) Classification
 Score 0  59 (54)  Group I  Slightly affected  n = 36
 Score 1  12 (11)
 Score 2  14 (13)
 Score 3  12 (11)  Gruppe II  Severely affected  n = 10
 Score 4  3 (3)