Journal of Prevention and Treatment for Stomatological Diseases ›› 2016, Vol. 24 ›› Issue (10): 589-593.doi: 10.12016/j.issn.2096-1456.2016.10.006

• Cinical Study • Previous Articles     Next Articles

Clinical evaluation of anterior teeth aesthetic restoration with thin porcelain laminate veneer

Nu MI1(),Ying GUO2,Xiao-yu YANG3()   

  1. 1 Department of Stomatology, Shenzhen OCT Hospital, Shenzhen 518054, China
    2 Department of Stomatology, The University of Hong Kong-Shenzhen Hospital, Shenzhen 518000, China
    3 Center of Oral Im-plantation,Guangdong Provincial Stomatological Hospital of Southern Medical University, Guangzhou 510280, china
  • Received:2016-02-29 Revised:2016-03-24 Online:2016-10-20 Published:2016-10-20
  • Contact: Nu MI,Xiao-yu YANG E-mail:9453522@qq.com;twindoctor@sina.com

Abstract:

Objective To evaluate the clinical restorative effect of anterior thin porcelain laminate veneers.Methods Thin Porcelain laminate veneers were applied to 112 teeth of 64 patients for anterior aesthetic restoration. The follow-up time was 24 months. The veneers were examined with a modified Ryge criteria.Results The fracture of the incisal edge on 2 veneers was noticed after 12 months. After 24 months, the partial fracture of the distal incisal corner on 1 veneer was noticed; a gap was detected on the margin of another veneer and discoloration was observed on 5 ones. None of cases showed dentin hypersensitivity or gingivitis.Conclusion A satisfying effect could be gotten by using thin porcelain laminate veneer in the anterior teeth with the advantages of less tooth preparation, high repair strength, and not easy to fall off break.

Key words: Thin porcelain laminate veneer, Anterior teeth, Esthetic prothesis, Resin cement, All ceramic restorations

CLC Number: 

  • R783.3

Table 1

California Dental Association/Ryge criteria"

内容 级别 标 准
完整性 A 修复体完整无损
B 微小缺损,但不影响美观
C 明显裂纹,折裂,脱落
颜色匹配 A 整体颜色与邻牙协调一致
B 整体颜色与邻牙不完全协调一致,但变化程度在正常范围之内
C 整体颜色与邻牙不协调一致,变化程度超出正常范围
边缘密合度 A 不卡探针或稍卡探针,但修复体与基牙无间隙
B 卡探针,修复体与基牙稍有可见间隙,但修复体不松动
C 探针进入间隙,并探及釉牙骨质界
边缘着色 A 边缘线上无可见着色
B 边缘线上有可见着色,但未向牙龈渗透
C 边缘线上有可见着色,且着色向牙龈渗透
牙龈 A 牙龈健康
B 有轻微牙龈炎症,探诊有少量出血及轻度龈萎缩但不影响美观
C 有明显牙龈红肿、出血、牙周袋加深及影响美观的龈萎缩
牙敏感 A 牙髓健康,无任何敏感症状
B 有轻微冷热刺激痛,无自发痛,采取适当措施后好转
C 有严重冷热刺激痛,自发痛,需要做牙髓治疗
继发龋 A 在修复体周围无继发龋
B 在修复体周围有继发龋

Table 2

Clinical assessment of porcelain veneer in different period n(%)"

评价内容 级别 1个月(n = 112) 6个月(n = 98) 12个月(n = 85) 24个月(n = 76)
完整性 A 112(100) 98(100) 83(97.6) 75(98.7)
B 0(0) 0(0) 0(0) 0(0)
C 0(0) 0(0) 2(2.4) 1(1.3)
颜色匹配 A 110(98.2) 96(98.0) 83(97.6) 74(97.4)
B 2(1.8) 2(2.0) 2(2.4) 2(2.6)
C 0(0) 0(0) 0(0) 0(0)
边缘密合度 A 112(100) 98(100) 85(0) 75(99.7)
B 0(0) 0(0) 0(0) 0(0)
C 0(0) 0(0) 0(0) 1(0.3)
边缘着色 A 112(100) 98(100) 83(97.6) 71(93.4)
B 0(0) 0(0) 2(2.4) 5(6.6)
C 0(0) 0(0) 0(0) 0(0)
牙龈 A 112(100) 98(100) 85(100) 76(100)
B 0 0 0 0
C 0 0 0 0
牙敏感 A 112(100) 98(100) 85(100) 76(100)
B 0(0) 0(0) 0(0) 0(0)
C 0(0) 0(0) 0(0) 0(0)
继发龋 A 112(100) 98(100) 85(100) 76(100)
B 0(0) 0(0) 0(0) 0(0)

Figure 1

Pictures of typical case 1"

Figure 2

Pictures of typical case 2"

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