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Comparison of occlusal traits in very preterm and full-term children. A case-control study

Kangasniemi, Saana (2025-05-09)

dc.contributor.authorKangasniemi, Saana
dc.date.accessioned2025-05-16T21:04:27Z
dc.date.available2025-05-16T21:04:27Z
dc.date.issued2025-05-09
dc.identifier.urihttps://www.utupub.fi/handle/10024/181229
dc.description.abstractOBJECTIVE: To compare occlusal traits of very preterm and full-term born children in the early mixed (T1) and late mixed/early permanent dentition stage (T2). MATERIAL AND METHODS: The sample consisted of 205 very preterm case children and 205 age- and geneder-matched full-term children. Data fot this register-based study were collected from the registers of Turku University hospital and the City of Turku Oral Health Care. Very preterm children were born before the 37th week of pregnancy with a birth weight under 1500g (2001–2003) or before the 32nd week of pregnancy (2004–2006). RESULTS: Among case children, the change in occlusal traits between T1 and T2 did not differ to those of control children except in overjet. The change in overjet between T1 and T2 was statistically significantly different between case and control groups in orthodontically treated children (group×dentition stage interaction effect, p=0.020). Orthodontically treated control children had lower odds of having atypical overjet (<0mm or >6mm) (OR=0.10, 95% CI 0.02–0.69, p=0.019 ) at T2 compared to T1 (at T1 n=21, at T2 n=21), while no statistically significant change in overjet in orthodontically treated case children was observed (OR=2.46, 95% CI 0.27–22.73, p=0.426) (at T1 n=40, at T2 n=28). CONCLUSIONS: The effects of very preterm birth are predominantly limited to the early stages of occlusal development. The occlusions of preterm children do not need extra follow-ups in the late mixed/early permanent dentition stages.
dc.format.extent9
dc.language.isoeng
dc.rightsfi=Julkaisu on tekijänoikeussäännösten alainen. Teosta voi lukea ja tulostaa henkilökohtaista käyttöä varten. Käyttö kaupallisiin tarkoituksiin on kielletty.|en=This publication is copyrighted. You may download, display and print it for Your own personal use. Commercial use is prohibited.|
dc.subjectmixed dentition, permanent dentition, preterm birth, occlusal features
dc.titleComparison of occlusal traits in very preterm and full-term children. A case-control study
dc.type.ontasotfi=Syventävien opintojen kirjallinen työ|en=Second Cycle degree thesis|
dc.rights.accessrightssuljettu
dc.identifier.urnURN:NBN:fi-fe2025051646187
dc.contributor.facultyfi=Lääketieteellinen tiedekunta|en=Faculty of Medicine|
dc.contributor.studysubjectfi=Lasten hammashoito ja oikomisoppi|en=Pediatric Dentistry and Orthodontics|
dc.contributor.departmentfi=Hammaslääketieteen laitos|en=Institute of Dentistry|


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