European journal of paediatric dentistry · 2026
Impact of sucking habits on dental occlusion in preschool children: A cross-sectional study.
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Comella Company M, Díaz Alonso L, Lluch Llagostera C, Mayné Acién R, Abanto J, Veloso Duran A, Guinot Jimeno F
Аннотация
AIM: To evaluate the relationship between sucking habits (such as thumb sucking and pacifier use) and dental occlusion in preschool children.
BACKGROUND: The functional development of the oral cavity can be altered by sucking habits in infancy. It is important to know how these can influence the development of malocclusions in the primary dentition and, consequently, can help us to prevent them or reduce the risk factors in the permanent dentition.
MATERIALS: This cross-sectional study was conducted between January 2022 to January 2023. The sample consisted of 314 patients aged 2 to 5 years attending their first visit to the Service of Paediatric Dentistry of the HM Nens Hospital, HM Hospitales in Barcelona and in the University Clinic of Dentistry of the Universitat Internacional de Catalunya. Patients with incomplete primary dentition or any diseases that hindered assessment were excluded. Data collection was performed using a questionnaire divided into three sections, covering demographic information, sucking habits, and an intraoral examination of dental occlusion. Malocclusions were assessed in the sagittal, vertical, and transversal planes.
CONCLUSION: Breastfeeding promotes proper jaws development and reduces malocclusion risk. Breastfed children used pacifiers and digit sucking less, whereas bottle-feeding was linked to these habits. Girls showed a higher prevalence of malocclusion than boys, and respiratory issues in infancy were associated with increased malocclusion rates. No correlation was found with the type of pacifier nipple, prematurity, low birth weight, type of birth, or lingual frenulum alterations.
BACKGROUND: The functional development of the oral cavity can be altered by sucking habits in infancy. It is important to know how these can influence the development of malocclusions in the primary dentition and, consequently, can help us to prevent them or reduce the risk factors in the permanent dentition.
MATERIALS: This cross-sectional study was conducted between January 2022 to January 2023. The sample consisted of 314 patients aged 2 to 5 years attending their first visit to the Service of Paediatric Dentistry of the HM Nens Hospital, HM Hospitales in Barcelona and in the University Clinic of Dentistry of the Universitat Internacional de Catalunya. Patients with incomplete primary dentition or any diseases that hindered assessment were excluded. Data collection was performed using a questionnaire divided into three sections, covering demographic information, sucking habits, and an intraoral examination of dental occlusion. Malocclusions were assessed in the sagittal, vertical, and transversal planes.
CONCLUSION: Breastfeeding promotes proper jaws development and reduces malocclusion risk. Breastfed children used pacifiers and digit sucking less, whereas bottle-feeding was linked to these habits. Girls showed a higher prevalence of malocclusion than boys, and respiratory issues in infancy were associated with increased malocclusion rates. No correlation was found with the type of pacifier nipple, prematurity, low birth weight, type of birth, or lingual frenulum alterations.