数字化模型分析不同排龈方法对排龈效果的影响
摘要
目的数字化分析3种排龈方法的排龈效果。方法采用单线排龈法、双线排龈法和排龈膏进行排龈处理,排龈前后分别进行口内扫描,通过Geomagic Qualify 2013软件分析排龈前后的效果。结果三组排龈方法都出现了较好的排龈效果,组间比较,差异有统计学意义(P<0.05)。结论双线排龈法的排龈效果最明显。
引文
[1]Baharav H,Kupershmidt l,Laufer BZ,et al.The effect of sulcu-lar width on the linear accuracy of impression materials in the presence of an undercut[J].Int JProsthodont,2004,17(5):585-589.
[2]Kazemi M,Memarian M,Loran V.Comparing the effectiveness of two gingival retraction procedures on gingival recession and tissue displacement:clinical study[J]Res J Biol Sci,2009,4(3):335-339.
[3]Jokstad A.Clinical trial of gingival retraction cords[J].JProsthet Dent.1999,81(3):258-61.
[4]Shrivastava KJ,Bhoyar A,Agarwal S,etal.Comparative clinical efficacy evaluation of three gingival displacement systems[J].J Nat Sci Biol Med,201,6(Suppl 1):S53-S57.
[5]ChaudhariJ,Prajapati P,Patel J,etal.Comparative evaluation of the amount of gingival displacement produced by three different gingival retraction systems:An in vivo study[J].Contemp Clin Dent,2015,6(2):189-195.
[2]Kazemi M,Memarian M,Loran V.Comparing the effectiveness of two gingival retraction procedures on gingival recession and tissue displacement:clinical study[J]Res J Biol Sci,2009,4(3):335-339.
[3]Jokstad A.Clinical trial of gingival retraction cords[J].JProsthet Dent.1999,81(3):258-61.
[4]Shrivastava KJ,Bhoyar A,Agarwal S,etal.Comparative clinical efficacy evaluation of three gingival displacement systems[J].J Nat Sci Biol Med,201,6(Suppl 1):S53-S57.
[5]ChaudhariJ,Prajapati P,Patel J,etal.Comparative evaluation of the amount of gingival displacement produced by three different gingival retraction systems:An in vivo study[J].Contemp Clin Dent,2015,6(2):189-195.