European journal of paediatric dentistry · 2026
The effect of serial extractions compared to enucleations on skeletal, dental, and soft tissues: a longitudinal evaluation.
СтатьяСравнительное исследованиеНазвание и аннотация: Перевод в очереди
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Ferrillo M, Lerda F, Fani E, De Luca F P, De Rosa A, Rosa M, Marzo G, Quinzi V
Аннотация
BACKGROUND: Tooth size-arch length deficiencies (TSALD) malocclusions can be treated either with or without extractions in growing patients. The extraction treatments are usually recommended in severe crowding and involve the serial extractions (SEs) or the enucleation (EE) therapies. The aim of the present retrospective study was to compare the skeletal and dental effects of serial extraction and enucleation treatments in subjects with severe crowding in mixed dentition phase.
METHODS: Lateral cephalograms from patients who underwent orthodontic treatment involving serial extractions (SE group) or enucleations (EE group) were analysed. The matched control group (CG group) consisted of untreated subjects derived from the American Association of Orthodontists foundation (AAOF) Craniofacial Growth Legacy Collection Project. The initial lateral cephalograms were taken before the eruption of all the second molars (T0) and the second lateral cephalograms were taken after the completion of the extractions (T1). The primary outcome was the change of the vertical skeletal dimension evaluated using the SN to mandibular plane angle (SN-GoGn) angle from T0 to T1.
CONCLUSION: Based on this longitudinal cephalometric analysis, significant reduction of SN-GoGn (about 2.3°), MMPA, and gonial angle were detected only in patients who underwent serial extractions, whereas no significant variations were detected in enucleation and control groups. IMPA, L1-Apo, and UIMx measurements did not significantly change at follow-up in all three groups, thus a lingual tipping of the incisor was not detected in both serial extraction and enucleation groups.
METHODS: Lateral cephalograms from patients who underwent orthodontic treatment involving serial extractions (SE group) or enucleations (EE group) were analysed. The matched control group (CG group) consisted of untreated subjects derived from the American Association of Orthodontists foundation (AAOF) Craniofacial Growth Legacy Collection Project. The initial lateral cephalograms were taken before the eruption of all the second molars (T0) and the second lateral cephalograms were taken after the completion of the extractions (T1). The primary outcome was the change of the vertical skeletal dimension evaluated using the SN to mandibular plane angle (SN-GoGn) angle from T0 to T1.
CONCLUSION: Based on this longitudinal cephalometric analysis, significant reduction of SN-GoGn (about 2.3°), MMPA, and gonial angle were detected only in patients who underwent serial extractions, whereas no significant variations were detected in enucleation and control groups. IMPA, L1-Apo, and UIMx measurements did not significantly change at follow-up in all three groups, thus a lingual tipping of the incisor was not detected in both serial extraction and enucleation groups.