Radicular maturity level of primary teeth and its association with trauma sequelae

被引:17
|
作者
Qassem, Aya [1 ]
Goettems, Marilia [1 ]
Torriani, Dione D. [1 ]
Pappen, Fernanda G. [1 ]
机构
[1] Univ Fed Pelotas, Postgrad Program Pediat Dent, Pelotas, RS, Brazil
关键词
tooth injury; dental trauma; primary tooth; root resorption; INTRUDED PRIMARY INCISORS; DENTAL INJURIES; ROOT RESORPTION; PRIMARY DENTITION; CHILDREN; MALOCCLUSION; VITALITY;
D O I
10.1111/edt.12072
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
AimThis study aimed to investigate the influence of the radicular maturity level of primary teeth on the sequelae of traumatic dental injury (TDI). Materials and methodsA longitudinal retrospective study that collected data from dental records and radiographs of patients with TDI in one or both maxillary primary central incisors was conducted. Sequelae such as crown discoloration, pulp canal obliteration (PCO) and inflammatory root resorption (IRR) were evaluated during a 12- to 18-month follow-up period after the trauma. ResultsOf the 132 patients included in the study, 103 (78%) had luxations and 29 (22%) had dental fractures. At the initial postinjury examination, 12 teeth (9.1%) were found to have immature roots, 107 (81.1%) had closed apexes and 13 (9.8%) had visible root resorption. Inflammatory root resorption occurred mostly in traumatized teeth that presented with physiological root resorption at the moment of trauma (P=0.004). The frequency of PCO was higher in teeth with a closed apex at the moment of the injury (P=0.026). There was also an association between the type of injury and the occurrence of crown discoloration (P=0.008) as well as between the type of injury and the development of PCO (P=0.001). ConclusionsThe occurrence of TDI sequelae can be determined by the type of injury as well as by the radicular maturity level of the primary teeth at the moment of injury.
引用
收藏
页码:227 / 231
页数:5
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