Clinical manifestation analysis of the eruption failure of deciduous molars.
10.7518/hxkq.2025.2025108
- Author:
Manting WANG
1
;
Dingzhou JIANG
2
;
Xiao ZHU
2
;
Linna QIAN
2
;
Junzhuo GOU
2
;
Wenxiang JIANG
2
;
Zhifang WU
2
Author Information
1. Dept. of Pediatric Dentistry, Zhonglou Hospital of Changzhou Hospital of Traditional Chinese Medicine, Changzhou Stomatological Hospital, the Affiliated Changzhou Hospital of Nanjing University of Chinese Medicine, Changzhou 213000, China.
2. Dept. of Pediatric Dentistry, Stomatology Hospital, Zhejiang University School of Medicine, School of Stomatology, Zhejiang University, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Zhejiang Provincial Engineering Research Center for Oral Biomaterials and Devices, Hangzhou 310000, China.
- Publication Type:Journal Article
- Keywords:
complication;
deciduous molar;
eruption failure;
panoramic radiograph
- MeSH:
Humans;
Child;
Child, Preschool;
Tooth, Deciduous/diagnostic imaging*;
Female;
Molar/physiopathology*;
Male;
Retrospective Studies;
Tooth Eruption;
Radiography, Panoramic;
Incidence
- From:
West China Journal of Stomatology
2025;43(4):513-517
- CountryChina
- Language:Chinese
-
Abstract:
OBJECTIVES:This study aimed to investigate the incidence, imaging characteristics, and clinical manifestations of the eruption failure of deciduous molars using panoramic radiographs to provide a foundation for diagnosis and treatment in this population.
METHODS:This study retrospectively reviewed panoramic radiographs of children aged 4-8 years obtained from Stomatology Hospital, Zhejiang University School of Medicine between January 2021 and December 2023. A total of 31 331 subjects were included for the radiographic assessment of the tooth eruption failure of deciduous molars. Incidence, radiographic characteristics, and associated complications were documented. Statistical analysis was performed using SPSS 26.0.
RESULTS:The incidence of the eruption failure of deciduous molars among children aged 4-8 years was 0.94% (296/31 331). The rate was 1.55 times higher in females than in males, demonstrating a significant gender difference (P<0.001). Among the affected deciduous molars, mandibular first deciduous molars accounted for 76.4%, followed by the mandibular second deciduous molars (13.8%), and the maxillary deciduous molars collectively comprised 9.8%. The severity of eruption disorders was significantly associated with the mesial and distal tilting of adjacent teeth and elongation of the antagonist (P<0.001).
CONCLUSIONS:The incidence of the eruption failure of deciduous molars in children aged 4-8 years was 0.94%, with a high prevalence in females and a predilection for the mandible, particularly the mandibular first deciduous molar. For deciduous molars with severe eruption failure, early intervention is crucial to mitigate complications such as malocclusion and space loss.
