Ýstanbul’da yaþayan bir grup çocuðun büyük azý-kesici hipomineralizasyonu gözlenen diþlerinde lezyon daðýlým ve karakteristiklerinin deðerlendirilmesi

GÝRÝÞ ve AMAÇ: Büyük azý-kesici hipomineralizasyonu (BAKH), etkilenen diþlerde beyaz/krem rengi ve/veya sarý/kahverengi sýnýrlý opasiteler, sürme sonrasý mine yýkýmý, atipik çürük ve restorasyonlarýn izlendiði geliþimsel bir mine defektidir. Bu çalýþmanýn amacý, BAKH gözlenen diþlerde lezyon daðýlým ve karakteristiklerinin deðerlendirilmesidir.
YÖNTEM ve GEREÇLER: Çalýþmaya dahil edilen BAKH tanýsý konulan 8-12 yaþlarý arasýndaki 70 hastanýn 542 adet diþi Avrupa Çocuk Diþhekimliði Akademisi kriterlerine göre deðerlendirilerek, lezyonlarýn daðýlým ve karakteristikleri ile farklý diþlerde kombine biçimde gözlenen defektler belirlenmiþtir. Verilerin deðerlendirilmesinde tanýmlayýcý istatistikler ve ki-kare testi, yaþ ile etkilenen diþ sayýsý arasýndaki iliþkinin tespitinde Spearman korelasyon analizi kullanýlmýþtýr.
BULGULAR: Tüm diþlerde %64,2 oranýnda BAKH’ye baðlý defektler gözlenirken, büyük azý diþlerin etkilenme oraný %85,7, kesici diþlerin etkilenme oraný %53,9 olarak bulunmuþtur. En çok etkilenen diþ %91,4 oranla sol alt birinci büyük azý diþ iken, en az etkilenen diþ %41,4 oranla sol alt santral kesici diþtir. Lezyon karakteristikleri açýsýndan kesici diþlerde en sýk beyaz/ krem rengi opasiteler, büyük azý diþlerde atipik çürükler gözlenmiþtir. Hastalarýn %67,1’inde tüm büyük azý diþlerde lezyon tespit edilmiþtir. Yaþ ile etkilenen büyük azý diþ sayýsý arasýnda istatistiksel olarak anlamlý bir korelasyon gözlenmezken (p=0,686), kesici diþ ve toplam etkilenen diþ sayýsý ile yaþ arasýnda anlamlý bir iliþki olduðu gözlenmiþtir (sýrasýyla, p=0,003 ve p=0,004).
TARTIÞMA ve SONUÇ: BAKH’nin lezyon daðýlým ve karakteristikleri bireyler ve etkilenen diþler arasýnda deðiþiklik göstermektedir.

The evaluation of lesion distribution and characteristics in teeth with molar-incisor hypomineralization of a group of children living in Istanbul

INTRODUCTION: Molar-incisor hypomineralization (MIH) is a developmental enamel defect in which white/creamy and/or yellow/brown demarcated opacities, post-eruptive enamel breakdown, atypical caries and restorations are observed. The aim of the study was to evaluate the distribution and characteristics of lesions in teeth with MIH.
METHODS: 542 teeth of 70 patients between the ages of 8-12 who were diagnosed MIH according to the European Academy of Pediatric Dentistry criteria, selected from the university dental clinic, included in the study. Distribution, characteristics and combined-defects in teeth with MIH were determined. Descriptive statistics and chi-square test were performed to evaluate the data, and Spearman correlation analysis was used to determine the relationship between age and the number of affected-teeth.
RESULTS: While defects due to MIH were observed at a rate of 64.2% in all teeth, this rate was found to be 85.7% in first molars and 53.9% in incisors. The most affected teeth were the left lower first molars with a rate of 91.4%, while the least affected teeth were the left lower central incisors with a rate of 41.4%. White/creamy opacities were the most common in incisors, and atypical caries in molars were observed. Lesions were detected in all molars in 67.1% of the patients. While there was no statistically significant correlation between age and the number of affected-teeth (p=0.686), a significant correlation was observed between the number of incisors and total affected- teeth and age (p=0.003 and p=0.004, respectively).
DISCUSSION AND CONCLUSION: Lesion distribution and characteristics of MIH vary within and between individuals and affected- teeth.