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Year : 2010  |  Volume : 1  |  Issue : 1  |  Page : 6-9

Comparative evaluation of slot versus dovetail design in class III composite restorations in primary anterior teeth

Department of Pedodontics and Preventive Dentistry, KLES's Institute of Dental Sciences, Belgaum, Karnataka, India

Correspondence Address:
Arun Rathnam
20/16, 18th Avenue, Ashok Nagar, Chennai - 600083
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0976-237X.62511

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The esthetic restorations of primary anterior teeth have always occupied an important part of the pediatric dentist's armamentarium. Various materials have been tried for this purpose and ample materials have been researched in an attempt to fulfill the prerequisites for an ideal esthetic restorative material. Composite resins have been traditionally noted to have decreased bonding ability to primary teeth and the use of secondary retentive features has been advocated to increase bonding. Fifty pairs of anterior class III carious teeth were selected having mirror image lesions on their contralateral proximal surfaces. These teeth were prepared with either a slot or a modified dovetail type of cavity preparation. The patients were then kept on recall to check the clinical characteristics of the restorations at 3, 6, and 12 months. The criteria for evaluation included marginal adaptation, anatomic form, surface discoloration and secondary caries. It was concluded from the results that the both slot and dovetail types of cavity preparations were equally effacious when clinically reviewed for a period of 12 months. Hence the use of slot type of cavity preparation with reduced loss of the tooth structure is indicated for class III cavities in primary anterior teeth.

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