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Table 9 Comparison of the condylar position in the articular fossa before and after orthodontic treatment (n, %)

From: Three-dimensional spatial analysis of temporomandibular joint in adolescent Class II division 1 malocclusion patients: comparison of Twin-Block and clear functional aligner

Variable

Clear functional aligners

Twin-Block appliance

Before treatment

After treatment

χ2

P

Before treatment

After treatment

χ2

P-value

N

50

50

6.383

0.012*

48

48

6.400

0.011*

Condyle in anteposition

0

0

  

0

0

  

Condyle in middle

44 (88.0%)

50 (100%)

  

42 (87.5%)

48 (100%)

  

Condyle in retroposition

6 (12.0%)

0

  

6 (12.5%)

0

  
  1. *P < 0.05
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Head & Face Medicine

ISSN: 1746-160X

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