clinical evaluation of reasons for replacement of amalgam restorations in patients referring to a dental school in iran
نویسندگان
چکیده
background and aims. the present study evaluated the most common reasons for replacing amalgam restorations in a university clinic. materials and methods. a total of 217 restorations which needed to be replaced were clinically and radiographically evaluated in a period of 4 months. the frequencies of reasons for replacing amalgam restorations were calculated: the assessed items included recurrent caries, tooth structure fracture (functional or non-functional cusps), amalgam bulk fracture, amalgam marginal fracture, proximal overhangs, and esthetics. data were analyzed using fischer’s exact test. results. both in vital teeth and teeth which had undergone root canal therapy, the most common reason for amalgam replacement was cusp fracture, with the fracture of non-functional cusps being statistically significant. recurrent caries was the second most common reason for amalgam replacement. in class i restorations, the most common reasons were recurrent caries and esthetics, with no statistical significance. the most frequent problem in class ii restorations was fracture of non-functional cusps, with a statistical significance in three-surface restorations. conclusion. according to the results, failing to reduce undermined cusps and neglectful caries removal are the reasons for majority of amalgam restoration replacements. these issues should be emphasized in the curriculum for dental students and continuing education courses.
منابع مشابه
Clinical Evaluation of Reasons for Replacement of Amalgam Restorations in Patients Referring to a Dental School in Iran
BACKGROUND AND AIMS The present study evaluated the most common reasons for replacing amalgam restorations in a university clinic. MATERIALS AND METHODS A total of 217 restorations which needed to be replaced were clinically and radiographically evaluated in a period of 4 months. The frequencies of reasons for replacing amalgam restorations were calculated: The assessed items included recurre...
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15 صفحه اولDental Restorations – Reasons for Placement and Replacement
The objective of the present study was to determine the clinical reasons leading to the decision of dental restoration placement and replacement. It was a descriptive case series study and was carried out from October 2010 to July, 2011 Sampling: Non-probability convenience sampling. From the city of Lahore, 30 dental clinics were selected randomly, after dividing the metropolis into six admini...
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عنوان ژورنال:
journal of dental research, dental clinics, dental prospectsجلد ۴، شماره ۲، صفحات ۵۶-۵۹
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