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CC BY-NC-ND 4.0 · Eur J Dent 2016; 10(01): 016-022
DOI: 10.4103/1305-7456.175692
Original Article
Dental Investigation Society

A 3-year randomized clinical trial evaluating two different bonded posterior restorations: Amalgam versus resin composite

Hande Kemaloglu
1   Department of Restorative Dentistry, Faculty of Dentistry, Ege University, 35100 Bornova, Izmir, Turkiye
,
Tijen Pamir
1   Department of Restorative Dentistry, Faculty of Dentistry, Ege University, 35100 Bornova, Izmir, Turkiye
,
Huseyin Tezel
1   Department of Restorative Dentistry, Faculty of Dentistry, Ege University, 35100 Bornova, Izmir, Turkiye
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Publikationsverlauf

Publikationsdatum:
23. September 2019 (online)

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ABSTRACT

Objective: To compare the performance and postoperative sensitivity of a posterior resin composite with that of bonded amalgam in 40 (n = 20) large sized cavities and to evaluate whether resin composite could be an alternative for bonded amalgam. Materials and Methods: This was a randomized clinical trial. Twenty patients in need of at least two posterior restorations were recruited. Authors randomly assigned one half of the restorations to receive bonded amalgam and the other half to composite restorations. Forty bonded amalgams (n = 20) and composites (n = 20) were evaluated for their performance on modified-US Public Health Service criteria and postoperative sensitivity using visual analogue scale (VAS) for 36-months. Results: Success rate of this study was 100%. First clinical alterations were rated as Bravo after 1 year in marginal discoloration, marginal adaptation, anatomical form, and surface roughness for both amalgam and composite. At the 3rd year, overall “Bravo” rated restorations were 12 for bonded amalgam and 13 for resin composites. There were no significant differences among the VAS scores of composites and bonded amalgams for all periods (P > 0.05) except for the comparisons at the 3rd year evaluation (P < 0.05). Conclusions: Within the limitation of this study, both resin composite and bonded amalgam were clinically acceptable. Postoperative sensitivity results tend to decrease more in composite restorations rather than amalgams. Therefore, it was concluded that posterior resin composite can be used even in large sized cavities.

Key words:

Bonded amalgam - posterior restoration - postoperative sensitivity - resin composite
 

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