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Year : 2017  |  Volume : 9  |  Issue : 3  |  Page : 153-159

Evaluation of enamel surfaces following interproximal reduction and polishing with different methods: A scanning electron microscope study

1 Department of Orthodontics, Surendera Dental College, Sri Ganganagar, Rajasthan, India
2 Department of Orthodontics, Guru Nanak Dev Dental College, Sunam, Punjab, India
3 Department of Oral Pathology and Microbiology, Surendera Dental College, Sri Ganganagar, Rajasthan, India

Correspondence Address:
Eenal Bhambri
Department of Orthodontics, Surendera Dental College, H.H. Gardens, Powerhouse Road, Sri Ganganagar -335001, Rajasthan
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/IJDS.IJDS_12_17

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Background: Interproximal reduction was introduced as an alternative to tooth extraction in patients with mild-to-moderate crowding, the beneficial outcomes of interdental reduction have been well documented, but nevertheless, possible detrimental effects on enamel have also been an issue of debate. Interproximal reduction generates the formation of grooves and valleys creating plaque retentive areas, predisposing teeth to caries, and periodontal disease. Various proximal stripping techniques, it is postulated, produce varying grades of roughness of the enamel surface; it is in this area that the research in this paper was focused. Aim: The aim is to evaluate enamel surface roughness after various interproximal reduction and polishing methods. Materials and Methods: 16-blade tungsten carbide bur, diamond disc, diamond-coated metal strip, fine Sof-Lex disc, and fine diamond bur were used for interproximal reduction and polishing on extracted human premolars. The specimens were then evaluated under scanning electron microscope (SEM) and surface plots of images were made using Image J software. Statistical Analysis: The data obtained were subjected to ANOVA and posthoc multiple tests. Results: Under the SEM, all interproximal reduction protocols resulted in roughened and grooved enamel surfaces. The use of diamond-coated metal strip followed by polishing with fine Sof-Lex disc created surfaces that were reasonably smooth. Conclusions: The enamel surfaces after reduction with diamond-coated metal strip and polishing by fine Sof-Lex disc (group F) were the smoothest.

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