Application of fiber-reinforced composite resin posts and all ceramic crown in the restoration of extensively damaged molar

doi:10.3877/cma.j.issn.1674-1366.2010.02.010

Abstract

Abstract:

Objective

To evaluate the treatment outcome of fiber-reinforced composite posts and all ceramic crown in restoring extensively damaged molar.

Methods

A total of 33 molars of 28 patients were included. After complete root canal therapy， the teeth were restored with fiber-reinforced composite posts and all-ceramic crowns. Patients were followed up for 1 ～24 months. Clinical examinations and radiograph were taken to evaluate the treatment outcome.

Results

93.9% restorations were found to be intact. Little wane was found in one In-ceram crown caused by hard food biting. One IPS E.max press crown broke for hard biting. One tooth suffered from gingivitis， and was cured by polishing. No loosening， fracture and gap existed among fiber post， composite resin core， dentine and crown. No dislodgment or fracture of posts or roots were observed in all restorations.

Conclusions

The favorable results after 1 ～24 months of clinical service indicate that fiber-reinforced composite post-and-core system and all-ceramic crown are reliable and ideal materials in the restorations of molar residual root and crown.

Key words: Fiber post, All ceramic crown, Molar, Residual root and crown

Xin-chun ZHANG, Xiang-xia LI, Ya-bin ZHOU, Dan-ni FAN, Yan WANG. Application of fiber-reinforced composite resin posts and all ceramic crown in the restoration of extensively damaged molar[J]. Chinese Journal of Stomatological Research(Electronic Edition), 2010, 4(02): 165-169.

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URL: https://zhkqyxyjzz.cma-cmc.com.cn/EN/10.3877/cma.j.issn.1674-1366.2010.02.010

https://zhkqyxyjzz.cma-cmc.com.cn/EN/Y2010/V4/I02/165

Figures/Tables 2

References 9

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指标	分类	标准
边缘适合性	好	不卡探针，无可见裂隙，边缘探诊光滑
	可接受	可见微小裂隙，探针在一个方向上卡住无龋坏，可修补但并非必需；无龋坏；或修复体和牙体组织边缘变色
	不可接受	边缘有缺陷不能完全修补；或沿修复体边缘向牙髓方向可探入变色区；或余留多余的水门汀；或修复体松动；或修复体边缘连续龋坏；或牙体组织折裂
修复体完整性	好	修复体表面完整，无任何可见的裂纹或折裂
	可接受	修复体可见裂纹，但未完全折裂
	不可接受	修复体完全折裂或脱落
解剖外形	好	修复体与牙体外形连续，外形良好，与邻牙及软组织功能协调
	可接受	修复体外形轻微低于或超出牙体；修复体外形稍突或稍凹；或有咬合但恢复不足；或边缘嵴恢复稍不足；或唇侧外形扁平；或舌侧外形扁平
	不可接受	修复体外形明显过突或过凹；或咬合受影响；或接触点恢复不好；或有边缘悬突；或有创伤牙合；或整体咬合恢受不足；或造成无法缓解的牙齿或邻近组织疼痛；或造成牙齿、软组织或支持骨的破坏
表面	好	修复体表面平滑，对周围组织无刺激
	可接受	修复体稍粗糙但可抛光
	不可接受	表面很不规则不能抛光改善且与解剖外形无关；或表面折裂；或冠材料整体疏松多孔
颜色	好	修复体明暗度和（或）透明度与邻牙协调
	可接受	修复体明暗度与邻牙轻微不协调
	不可接受	修复体与邻牙不协调，色度、明暗度或透明度超出正常范围，或明暗度与邻牙很不协调
牙髓炎症反应	好	牙龈健康
	可接受	有轻微牙龈炎症，探针有少量出血及轻度龈萎缩，但不影响美观
	不可接受	戴入后有明显牙龈红肿、出血、牙周袋加深及影响美观的牙龈萎缩

指标	分类	标准
边缘适合性	好	不卡探针，无可见裂隙，边缘探诊光滑
	可接受	可见微小裂隙，探针在一个方向上卡住无龋坏，可修补但并非必需；无龋坏；或修复体和牙体组织边缘变色
	不可接受	边缘有缺陷不能完全修补；或沿修复体边缘向牙髓方向可探入变色区；或余留多余的水门汀；或修复体松动；或修复体边缘连续龋坏；或牙体组织折裂
修复体完整性	好	修复体表面完整，无任何可见的裂纹或折裂
	可接受	修复体可见裂纹，但未完全折裂
	不可接受	修复体完全折裂或脱落
解剖外形	好	修复体与牙体外形连续，外形良好，与邻牙及软组织功能协调
	可接受	修复体外形轻微低于或超出牙体；修复体外形稍突或稍凹；或有咬合但恢复不足；或边缘嵴恢复稍不足；或唇侧外形扁平；或舌侧外形扁平
	不可接受	修复体外形明显过突或过凹；或咬合受影响；或接触点恢复不好；或有边缘悬突；或有创伤牙合；或整体咬合恢受不足；或造成无法缓解的牙齿或邻近组织疼痛；或造成牙齿、软组织或支持骨的破坏
表面	好	修复体表面平滑，对周围组织无刺激
	可接受	修复体稍粗糙但可抛光
	不可接受	表面很不规则不能抛光改善且与解剖外形无关；或表面折裂；或冠材料整体疏松多孔
颜色	好	修复体明暗度和（或）透明度与邻牙协调
	可接受	修复体明暗度与邻牙轻微不协调
	不可接受	修复体与邻牙不协调，色度、明暗度或透明度超出正常范围，或明暗度与邻牙很不协调
牙髓炎症反应	好	牙龈健康
	可接受	有轻微牙龈炎症，探针有少量出血及轻度龈萎缩，但不影响美观
	不可接受	戴入后有明显牙龈红肿、出血、牙周袋加深及影响美观的牙龈萎缩

类别	好	可接受	不可接受
边缘适合性	31（93.94）	2（6.06）	0（0.00）
修复体完整性	31（93.94）	0（0.00）	2（6.06）
解剖外形及表面	28（84.85）	5（15.15）	0（0.00）
颜色匹配	27（81.82）	6（18.18）	0（0.00）
牙龈状况	30（90.91）	3（9.09）	0（0.00）

类别	好	可接受	不可接受
边缘适合性	31（93.94）	2（6.06）	0（0.00）
修复体完整性	31（93.94）	0（0.00）	2（6.06）
解剖外形及表面	28（84.85）	5（15.15）	0（0.00）
颜色匹配	27（81.82）	6（18.18）	0（0.00）
牙龈状况	30（90.91）	3（9.09）	0（0.00）

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