All-on-4种植固定修复的1~6年临床疗效观察回顾性研究

doi:10.13591/j.cnki.kqyx.2023.05.009

Abstract

Abstract:

Objective To evaluate the clinical outcomes of All-on-4 immediate loading implant restorations in edentulous patients. Methods A total of 30 All-on-4 patients with 144 implants who completed the treatment between November 2013 and August 2019 were included in this study. The 1-6 years outcome measurements, including survival rate of the implants and prostheses, marginal bone resorption of the implants, mechanical complications of the prostheses, patient satisfaction and quality of life scores were analyzed after implantation. Results Among the 30 patients, the implant survival rate and the restoration survival rate was 100%. There was no statistical difference in the comparison results of the marginal bone loss between axial and tilted implants in each time period. The bone loss stabilized within 2 or 3 years after implantation, and there was continuous bone loss during the follow-up period, but there was no significant change in bone resorption. One or more mechanical complications occurred in 13 restorations, accounting for 43.3%(13/30)of the total restorations, including temporary restorations fractured, abutment screws of restorations broken, retention screws loose, and restorations had one or more fractures. In terms of stability, psycho-social and chewing recovery, patient satisfaction score was relatively high;while for aesthetics, pain, and pronunciation effects, patient satisfaction score was relatively low. Conclusion The short-term clinical outcomes of All-on-4 immediate loading implant restoration technology in edentulous patients are reliable. However, more long-term clinical studies with high-quality large samples need to be conducted.

Key words: All-on-4, edentulous, immediate loading, marginal bone loss, oral health impact profile-14(OHIP-14)

CLC Number:

R783.4

PANG Lijiao,CHEN Wenjia,XIAO Pei,HUANG Qin,YANG Haiping,HE Fuming. Clinical outcome evaluation of All-on-4 fixed implant immediate rehabilitation:1-6 years retrospective study[J]. Stomatology, 2023, 43(5): 439-445.

Figures/Tables 4

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References 37

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种植体规格		数量/颗
种植体长度	10 mm	7
	11 mm	2
	11.5 mm	10
	12 mm	33
	13 mm	41
	14 mm	20
	15 mm	31
种植体直径	3.5 mm	39
	4.1 mm	46
	4.3 mm	56
	4.8 mm	2
	5.0 mm	1

测量时间X/月	随访患者数	种植体数量/颗	倾斜种植体边缘骨吸收/mm	垂直种植体边缘骨吸收/mm	P
X≤6	13	50	0.21±0.13	0.24±0.17	0.229
6<X≤12	11	44	0.27±0.15	0.28±0.26	0.932
12<X≤24	19	76	0.32±0.72	0.35±0.31	0.458
24<X≤36	18	72	0.51±0.33	0.55±0.34	0.464
36<X≤48	12	48	0.55±0.29	0.57±0.35	0.789
48<X≤60	5	20	0.69±0.50	0.70±0.49	0.952

指标		得分
功能限制	咀嚼困难	8
	影响发音	5
	影响外貌	17
	食物嵌入牙齿或假牙里面	9
	假牙不合适	0
生理疼痛与不适	口腔内出现明显疼痛	11
	吃什么东西都不舒服	2
	假牙戴得不舒服	0
	避免吃某种食物	2
心理与社交影响	影响心情	0
	在其他人面前不自在	2
	难以放松	0
	难以集中精神	0
	觉得生活不令人满意	0

Clinical outcome evaluation of All-on-4 fixed implant immediate rehabilitation:1-6 years retrospective study

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