What question did this study set out to answer?

To investigate how lip changes differ after premolar extraction in patients with high versus normal vertical growth patterns.

April 3, 2026Turkish Journal of Orthodontics0 citationsOpen Access

Does Lip Change Following Premolar Extraction Differ in Patients with High and Normal Vertical Growth Patterns?

BEBuket ErdemIstanbul Technical University EBEce BaşalMarmara University BEBusra EmirIzmir Kâtip Çelebi University

Key Points

To investigate how lip changes differ after premolar extraction in patients with high versus normal vertical growth patterns.
Observational study design
Comparison of patients with high vertical growth patterns (HVP) and normal patterns
Measurement of upper lip retraction following incisor retraction
Analysis of soft tissue changes post-extraction
HVP patients demonstrate greater retraction of the upper lip compared to normal growth pattern patients
Variation in soft tissue response highlights the need for individualized treatment strategies
Optimal outcomes depend on considering growth patterns in treatment planning

Abstract

Soft tissue response to incisor retraction varies with vertical growth pattern, with greater upper lip retraction in HVP patients. Vertical growth patterns should be considered for optimal soft tissue outcomes.

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