Mandibular lateral deviation due to a difference between central relation and maximal intercuspal position caused by premature contact of the  left deciduous second molars in a 6-year-old boy.

Premature contact points detected on articulator models mounted in centric relation at the second temporary molar level that cause the mandibular displacement to the left. 

.  Occlusal plate and buttons for crossing elastics

Occlusal plate that in occlusion corrects the midline

Results after 5 months of treatment.