Very severe Intercepteur Labial Pediatric® Intercepteur Labial® WITH A TRANSVERSE DIRECTION CORRECTION DEVICE Class II with large overjet EF T Slim EF Classe II Slim years Exerlangue® small size WITH A CLASS II CORRECTION DEVICE Class II Booster® With Class II corrector Consolidate Class I after Class II correction EF Classe II 2 steps EF T Pro Large Ectopic cuspid Marked chin-labial fold daytime wear TONGUE RE-EDUCATION with stop Superclusion or inverted articulation How do I choose the right device ? WITH FIXED APPLIANCES EF Classe III Standard TREATMENT OF TEMPOROMANDIBULAR JOINT PROBLEMS Warning: This selection manual is only meant to serve as a guide. Arch size, dental age and treatment goals vary from patient to patient. EF Line functional training devices are Class 1 medical devices designed to be prescribed as part of an overall treatment plan by practitioners who will determine the indications, daily time wear and associated exercises to suit the patient.