Subtitle: 
    
                    CLI Bi-maxillary Dento-alveolar protrusion with lip
incompetence. Treatment is extraction of 4 premolars and reciprocal “en masse” space closure using 200 gram NiTi closed-coil springs to reduce the bi-maxillary protrusion about 4mm.        
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Categorie: 
    
                    Extraction        
        Case image: 
    
 

