To determine if there are differences between the dental arch dimensions and occlusal characteristics of children born prematurely and admitted into a Neonatal Intensive Care Unit (NICU) (study group) and children born at term (control group). The study group was analysed at the same time in order to find out if the parameters of the dental arches are related to specific perinatal variables.

中文翻译：

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早产儿牙弓和咬合的特点。病例对照研究。

确定早产并入住新生儿重症监护室 (NICU) 的儿童（研究组）和足月出生的儿童（对照组）的牙弓尺寸和咬合特征之间是否存在差异。同时对研究组进行分析，以了解牙弓的参数是否与特定的围产期变量有关。