Regarding marginal integrity, both composite and biological restorations showed some imperfect margins where
the explorer was slightly caught. The difference was not significant as reflected by low values of Chi-square.
Considering the surface texture, clinically detectable roughness with bravo grading was exhibited by a total of 12.9% biological restorations and 5.71% composite restorations. The autoclaving procedure could have caused the enamel to become brittle which later on presented as craze lines in biological restorations as suggested by Parsell et al. [11] The observation was seen only in four (7.14%) of the 56 biological restorations assessed after six months. However, at 9 and 12 months, these four biological restorations showing surface roughness represented 9.3% and 12.9% of the biological restorations. Good score of 94.29% alpha grading at 12-month recall for the surface texture of composite restorations suggest good polishability and low abrasion values. Only two composite restorations showed surface roughness which could be attributed to little breakouts.
Gingival health deterioration was not observed in either of the groups after 3, 6, 9, and 12 months recall. Gingival tissue in both the groups was healthy with no deposition of calculus and no bleeding on probing. Consequently, it was concluded that both groups performed equally well in respect to gingival health.
At the three-month recall, two patients reported with loss of restorations. Failure rate for composite restoration was 1.42 % (one restoration) and for biological restoration it was 3.17 % (two restorations). The difference between the two groups was insignificant. One biological and one composite restoration showed partial loss of restorations because of trauma at three months.
Regarding marginal integrity, both composite and biological restorations showed some imperfect margins wherethe explorer was slightly caught. The difference was not significant as reflected by low values of Chi-square.Considering the surface texture, clinically detectable roughness with bravo grading was exhibited by a total of 12.9% biological restorations and 5.71% composite restorations. The autoclaving procedure could have caused the enamel to become brittle which later on presented as craze lines in biological restorations as suggested by Parsell et al. [11] The observation was seen only in four (7.14%) of the 56 biological restorations assessed after six months. However, at 9 and 12 months, these four biological restorations showing surface roughness represented 9.3% and 12.9% of the biological restorations. Good score of 94.29% alpha grading at 12-month recall for the surface texture of composite restorations suggest good polishability and low abrasion values. Only two composite restorations showed surface roughness which could be attributed to little breakouts.Gingival health deterioration was not observed in either of the groups after 3, 6, 9, and 12 months recall. Gingival tissue in both the groups was healthy with no deposition of calculus and no bleeding on probing. Consequently, it was concluded that both groups performed equally well in respect to gingival health.At the three-month recall, two patients reported with loss of restorations. Failure rate for composite restoration was 1.42 % (one restoration) and for biological restoration it was 3.17 % (two restorations). The difference between the two groups was insignificant. One biological and one composite restoration showed partial loss of restorations because of trauma at three months.
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