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조산아의 발육성 법랑질 결함의 위험 요인 평가

Assessment of Risk Factors for Developmental Defects of the Enamel in Preterm

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참고문헌

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주제분류치의학

초록

본 연구는 조산아 유치의 발육성 법랑질 결함을 정량화하는 평가 기준을 제시하고, 조산아의 재태기간, 출생 시 체중, 다양한 합병증 및 치료 이력에 따른 발육성 법랑질 결함의심각도를 조사하고자 하였다. 조산아의 신생아집중치료실 입원 및 퇴원 기록을 후향적으로 평가하여 출생 정보, 합병증 진단 여부, 비경구 영양 및 기관내 삽관 기간을 조사하였다. 기존의 발육성 법랑질 결함 평가지표를 수정하여 Preterm Developmental Defects of Enamel (PDDE) index를 고안하였으며, 평가자는 기준에 맞추어 조산아 유치의 발육성법랑질 결함을 법랑질 저광화와 저형성으로 구분하여 점수화하였다. 재태기간 28주 미만, 출산 시 체중 1000 g 미만인 군의 PDDE score는 유의하게 증가하였다. 기관지폐이형성증, 구루병, 뇌실내출혈, 괴사성 대장염 진단 이력이 있는 군, 기관내 삽관 일수가 50일 이상인군, 비경구영양 일수가 20일 이상인 군 역시 PDDE score를 유의하게 증가시켜 발육성 법랑질 결함의 위험인자임을 확인하였다. 본 연구는 조산아 발육성 법랑질 결함 위험인자를파악하여 조산아의 구강 상태를 예측하고 설명하기 위한 기초 정보를 제공할 수 있을 것이다.

Abstract

This study aimed to determine the criteria for quantifying developmental defects of enamel in primary teeth in premature babies and to investigate the severity of developmental defects according to the gestational age, birth weight, systemic complications, and treatments received after preterm birth. Birth information, a history of complications, the duration of parenteral nutrition, and endotracheal intubation were investigated by retrospectively reviewing the admission and discharge records of premature babies in the neonatal intensive care unit. The Preterm Developmental Defects of Enamel (PDDE) index was designed by modifying the existing developmental defects of enamel index. Based on PDDE index, the evaluator scored developmental defects of enamel by classifying them as enamel hypomineralization and hypoplasia. The PDDE scores in the extremely preterm and extremely low birth weight groups were significantly higher than those in other groups. Furthermore, PDDE scores of premature babies with bronchopulmonary dysplasia, rickets, intraventricular hemorrhage, or necrotizing colitis were significantly higher than those in the control group. In addition, more than 50 days of endotracheal intubation and more than 20 days of parenteral nutrition were associated with significantly higher PDDE scores than those in the control group and were risk factors for developmental defects of enamel. This study provides basic information for identifying risk factors for developmental defects of enamel in premature babies.

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