PDF(Pubmed)
Abstract：
OBJECTIVE: Pre-eruptive intramural resorption (PEIR) is defined as an abnormal, well-circumscribed radiolucency within the coronal dentin of the tooth, which is often overlooked in plain radiographs. This study aimed to investigate the prevalence of PEIR and its related factors using cone-beam computed tomography (CBCT).
METHODS: CBCT images of 590 unerupted teeth were evaluated for the presence of PEIR, location of PEIR, number of lesions in the affected tooth, PEIR score, tooth angulation, tooth position, and pericoronal space. Binary logistic tests were used to analyze the association between the characteristics of PEIR and the patient\'s demographic data and related factors.
RESULTS: The tooth prevalence of PEIR was 13.6% among unerupted teeth. However, it was noteworthy that 19.2% of the unerupted teeth with PEIR were planned to be kept. PEIR was significantly associated with transverse (p = 0.020), inverted-angulated (p = 0.035), and centrally-positioned teeth (p = 0.043). The severity of PEIR was more pronounced in teeth with distal (p = 0.019), lingual (p = 0.023), or inverted-angulated (p = 0.040) positions, and in the absence of pericoronal space (p = 0.036).
CONCLUSIONS: PEIR should be suspected in transverse, inverted-angulated, centrally positioned unerupted teeth, particularly in molars, with no pericoronal space. Further monitoring through CBCT is recommended in such cases.
CONCLUSIONS: The management of unerupted teeth does not always involve surgical removal. Instead, they could be utilized for artificial eruption or tooth transplantation. The present study emphasizes the significance of early detection of PEIR. Clinical recommendations for screening PEIR in unerupted teeth are also proposed, which can be applied to routine plain radiographs.
METHODS: CBCT images of 590 unerupted teeth were evaluated for the presence of PEIR, location of PEIR, number of lesions in the affected tooth, PEIR score, tooth angulation, tooth position, and pericoronal space. Binary logistic tests were used to analyze the association between the characteristics of PEIR and the patient\'s demographic data and related factors.
RESULTS: The tooth prevalence of PEIR was 13.6% among unerupted teeth. However, it was noteworthy that 19.2% of the unerupted teeth with PEIR were planned to be kept. PEIR was significantly associated with transverse (p = 0.020), inverted-angulated (p = 0.035), and centrally-positioned teeth (p = 0.043). The severity of PEIR was more pronounced in teeth with distal (p = 0.019), lingual (p = 0.023), or inverted-angulated (p = 0.040) positions, and in the absence of pericoronal space (p = 0.036).
CONCLUSIONS: PEIR should be suspected in transverse, inverted-angulated, centrally positioned unerupted teeth, particularly in molars, with no pericoronal space. Further monitoring through CBCT is recommended in such cases.
CONCLUSIONS: The management of unerupted teeth does not always involve surgical removal. Instead, they could be utilized for artificial eruption or tooth transplantation. The present study emphasizes the significance of early detection of PEIR. Clinical recommendations for screening PEIR in unerupted teeth are also proposed, which can be applied to routine plain radiographs.
摘要：
目的：爆发前的壁内吸收（PEIR）被定义为异常，在牙齿的冠状牙本质内具有良好的射线可透性，这在普通射线照片中经常被忽视。本研究旨在使用锥形束计算机断层扫描（CBCT）调查PEIR的患病率及其相关因素。
方法：评估590颗未萌出牙齿的CBCT图像是否存在PEIR，PEIR的位置，受影响牙齿的病变数量，PEIR评分,牙齿成角,齿位置,和外围空间。采用二元Logistic检验分析PEIR的特征与患者的人口统计学资料及相关因素之间的关系。
结果：在未萌出的牙齿中，PEIR的牙齿患病率为13.6%。然而,值得注意的是，计划保留19.2%的PEIR未萌出的牙齿。PEIR与横向显著相关(p=0.020),倒角（p=0.035），和位于中心的牙齿（p=0.043）。PEIR的严重程度在远端牙齿中更为明显（p=0.019），舌（p=0.023），或倒置角度(p=0.040)位置，并且在没有外周空间的情况下(p=0.036)。
结论：PEIR应被怀疑为横向，倒置角度，位于中央的未萌出的牙齿，特别是在磨牙中，没有环绕空间。在这种情况下，建议通过CBCT进行进一步监测。
结论：未萌出牙齿的治疗并不总是涉及手术切除。相反，它们可以用于人工萌出或牙齿移植。本研究强调了早期检测PEIR的重要性。还提出了在未萌出的牙齿中筛查PEIR的临床建议，可以应用于常规的普通射线照片。
方法：评估590颗未萌出牙齿的CBCT图像是否存在PEIR，PEIR的位置，受影响牙齿的病变数量，PEIR评分,牙齿成角,齿位置,和外围空间。采用二元Logistic检验分析PEIR的特征与患者的人口统计学资料及相关因素之间的关系。
结果：在未萌出的牙齿中，PEIR的牙齿患病率为13.6%。然而,值得注意的是，计划保留19.2%的PEIR未萌出的牙齿。PEIR与横向显著相关(p=0.020),倒角（p=0.035），和位于中心的牙齿（p=0.043）。PEIR的严重程度在远端牙齿中更为明显（p=0.019），舌（p=0.023），或倒置角度(p=0.040)位置，并且在没有外周空间的情况下(p=0.036)。
结论：PEIR应被怀疑为横向，倒置角度，位于中央的未萌出的牙齿，特别是在磨牙中，没有环绕空间。在这种情况下，建议通过CBCT进行进一步监测。
结论：未萌出牙齿的治疗并不总是涉及手术切除。相反，它们可以用于人工萌出或牙齿移植。本研究强调了早期检测PEIR的重要性。还提出了在未萌出的牙齿中筛查PEIR的临床建议，可以应用于常规的普通射线照片。
