Adolescent 1 Bone Screws 1 Female Humans 1 Male 1 Orthodontic Anchorage Procedures 1 Orthodontic Appliance Design 1 Sweden 1 Tooth Extraction 1 Tooth Movement Techniques 1 Treatment Outcome 1 adolescent 1 article 1 bone screw 1 clinical article 1 controlled study 1 devices 1 extraction 1 female 1 funding 1 human 1 human experiment 1 male 1 maxillary first molar 1 maxillary first premolar 1 orthodontic anchorage 1 orthodontic procedure 1 orthodontic tooth movement 1 outcome assessment 1 randomization 1