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Effect of Contact Type on Caries Experience in Primary Dentition

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2023
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dissertation
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Purpose: The aim is to evaluate effect of contact type and other caries risk factors (diet, plaque, and fluoride) on caries experience in primary dentation. Secondly, to assess prevalence of OXIS contacts among 3-10 years old children enrolled in the study. Methods: Clinical examination was completed on healthy children 3 to 10 years of age. Contact type of primary molars was recorded based on OXIS classification. Information on other caries risk factors were collected (plaque, fluoride, and diet habits). The outcomes assessed included clinical caries (presence/absence), decayed, missing, and filled primary teeth (dmft), decayed teeth (dt), and decayed surfaces (ds). Results: A total of 277 contacts were examined in 107 children ( 51 females and 56 males). Moderate plaque was found to be associated with dmft and dt for contacts S, I, and X. High diet frequency was associated with high dmft and dt scores for contacts S, I, and X. Contact type I showed significant association with dmft compared to other contacts in multivariable analysis.

Conclusion: Both high diet frequency and moderate plaque index were linked to higher caries experience in children with contact types S,I, and X. Contact type I found to be associated with higher dmft scores compared to other contacts (X and S).

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University of Maryland, Baltimore, School of Dentistry, M.S., 2023
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