Does lip change following premolar extraction differ in patients with high and normal vertical growth patterns?

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dc.authorid0009-0004-6316-6072
dc.authorid0000-0002-0803-1421
dc.authorid0000-0003-4694-1319
dc.contributor.authorErdem, Buket
dc.contributor.authorBaşal, Ece
dc.contributor.authorEmir, Büşra
dc.date.accessioned2026-04-02T12:09:26Z
dc.date.available2026-04-02T12:09:26Z
dc.date.issued2026
dc.departmentFakülteler, Diş Hekimliği Fakültesi, Klinik Bilimler Bölümü, Ortodonti Ana Bilim Dalı
dc.description.abstractObjective: To evaluate the relationship between incisor retraction and upper and lower lip repositioning in patients with high and normal vertical growth patterns (NVP), and to assess whether vertical growth pattern influences soft tissue changes following extraction treatments. Methods: Pre- and post-treatment lateral cephalograms of 79 patients who underwent extraction of two or four first premolars were analyzed. Patients were divided into a [high vertical pattern (HVP); Frankfort-mandibular plane angle (FMA) >30°, n=49] and a NVP; 22< FMA ≤30°, n=30) group. Horizontal and vertical changes in the lips, labiomental fold, and lip strain were measured, and correlations between these changes and incisor movements were assessed. Results: Upper lip retraction was greater in the HVP group (2.86 mm, p<0.05) than in the NVP group (1.97 mm, not significant). Upper lip height decreased significantly in both groups, with a slightly greater decrease in the NVP group (p<0.001). Upper lip strain decreased in both groups, especially in the HVP group (p<0.001). Incisor retraction was strongly correlated with upper-lip changes in both groups, and with lower-lip and labiomental-fold repositioning in the NVP group. Conclusion: 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.
dc.identifier.citationErdem, B., Başal, E., & Emir, B. (2026). Does lip change following premolar extraction differ in patients with high and normal vertical growth patterns?. Turkish Journal of Orthodontics, 39(1), pp. 1-9. https://doi.org/10.4274/TurkJOrthod.2026.2026.4
dc.identifier.doi10.4274/TurkJOrthod.2026.2026.4
dc.identifier.endpage9
dc.identifier.issn2148-9505
dc.identifier.issue1
dc.identifier.pmidPMID: 41918489
dc.identifier.scopusqualityQ2
dc.identifier.startpage1
dc.identifier.urihttps://doi.org/10.4274/TurkJOrthod.2026.2026.4
dc.identifier.urihttps://hdl.handle.net/20.500.13055/1374
dc.identifier.volume39
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.indekslendigikaynakTR-Dizin
dc.indekslendigikaynak.otherESCI - Emerging Sources Citation Index
dc.institutionauthorErdem, Buket
dc.institutionauthorid0009-0004-6316-6072
dc.language.isoen
dc.publisherGalenos Publishing House
dc.relation.ispartofTurkish Journal of Orthodontics
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectOrthodontic Extraction
dc.subjectSoft Tissue Profile
dc.subjectMandibular Growth Pattern
dc.subjectLip Strain
dc.subjectLabiomental Fold
dc.titleDoes lip change following premolar extraction differ in patients with high and normal vertical growth patterns?
dc.typeArticle
dspace.entity.typePublication

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