Restoration in primary molars placed by undergraduate dental students: reasons for failures

Harun, Nor Asilah and Yaacob, Munirah and Abdul `Alim, Mohamad Shafiq Aizuddin and Ghazali, Saifullah and Nik Khairuzaman, Nik Khairul Azmi (2021) Restoration in primary molars placed by undergraduate dental students: reasons for failures. IIUM Journal of Orofacial and Health Sciences, 2 (2). pp. 99-106. E-ISSN 2735-0584

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Abstract

Dental caries is one of the most common chronic childhood diseases and highly prevalent in the world. The commonest treatment procedure for dental caries is a dental restoration which aims to retain the tooth. The survival of restoration depends on the factors associated with restorative materials, patients or operators. Thus, this study aimed to determine the reasons for the failure of restoration in posterior primary teeth performed by undergraduate dental students. A total number of 32 patients aged from 5 to 12 years old were included in this study. Overall, 115 primary molar restorations were assessed clinically using the modified United States Public Health Service Ryge criteria. The O’Leary plaque score was used to evaluate the oral hygiene status of all patients. Then, the data was analysed using the Kaplan-Meier survival curves with log-rank test and Cox regression analysis. 43 (37.4 %) restorations failed with 62.1 % for glass ionomer cement and 36.4 % for composite restorations. Marginal adaptation (62.8 %) is the commonest cause of failure. 76.7% of failure restoration was in patients with poor oral hygiene, and it showed a significant difference compared to patients with moderate and good oral hygiene (p = 0.014). Thus, it was concluded that the type of restorative material and oral hygiene status contributed to the failure of restoration placed in primary molar restorations with failure restoration may occur 2.6 times more in poor oral hygiene patients.

Item Type:	Article (Journal)
Uncontrolled Keywords:	primary molar restorations, longevity, oral hygiene, failure rate
Subjects:	R Medicine > RK Dentistry > RK318 Oral and Dental Medicine. Pathology. Diseases-Therapeutics-General Works
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Dentistry Kulliyyah of Dentistry > Department of Paediatric Dentistry and Dental Public Health Kulliyyah of Dentistry > Department of Restorative Dentistry
Depositing User:	Dr Nor Asilah Harun
Date Deposited:	02 Aug 2021 10:26
Last Modified:	02 Aug 2021 10:26
URI:	http://irep.iium.edu.my/id/eprint/91188

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