Application of gingival retraction cord to the restoration of subgingival wedge-shaped defect
ZHAO Jing
GE Jiu-yu
Abstract：Objective To study the clinical performance of gingival retraction cord in repairing subgingival wedge-shaped defects. Methods Totally 40 patients with wedge-shaped defect on both side premolars were selected, one side treated by gingival retraction and filled with composite resin and the other side filled directly with Z350 compos-ite resin. The marginal adaptation,retention and the presence of secondary carries after one year and two years were eval-uated. Results One week after restoration,the incidence of overhanging for dental restoration by using retraction cord to retract gingival was significantly lower than those of the control group(P<0.05). After 1 year and 2 years,the reten-tion of restorations in the control group was significantly lower than that of using retraction cord(P<0.05). Conclusion Gingival retraction cord has high success rate for restoration of subgingival wedge-shaped defect.
Keywords：gingival retraction cordsubgingival wedge-shaped defectcomposite resin
Publication Date：2013-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：3( 608-610 )