Clinical observation of a narrow alveolar ridge in the anterior area with a simple taper retention implant

doi:10.7518/hxkq.2022.02.008

Abstract

Abstract: Objective

This study aims to determine the clinical effect of an external attachment implant, called JUST J1 MINI (hereafter referred to as J1 implant), with simple tonal retention on the narrow alveolar area of the anterior teeth (4.5-5.5 mm).

Methods

A total of 27 J1 implants were implanted in 12 patients in the Fourth Affiliated Hospital of Nanchang University who were treated with narrow alveolar ridge implants. In the absence of any bone increment, all the implants were implanted with tonal retention external connection, and the survival rate of the implants was evaluated using Wheeler retention standard. The average observation period was 24 months. The amount of bone absorption at the edge of the implant, abutment abscission rate, and fracture/fracture and loosening of the implant were observed.

Results

The marginal bone uptake of the 27 J1 implants in 12 patients was (0.069±0.032) mm 6 months after implantation and (0.142±0.079) mm 24 months after implantation. No significant difference in marginal bone uptake was observed between the implants 6 months and 24 months after implantation. No loosening of the abutment was found, and implant retention rate was 100% during the observation period.

Conclusion

The application of JUST J1 MINI to the narrow alveolar ridge in the anterior area can achieve a simple aesthetic effect within a short period under the condition of no bone increment.

Key words: retention of pure taper, external attachment, anterior teeth area, narrow alveolar ridge

CLC Number:

R 783.6

Gong Jinmei, Xia Xun, Hu Changqi, Huang Jiangqin, Guo Shuigen, Wei Hongwu.. Clinical observation of a narrow alveolar ridge in the anterior area with a simple taper retention implant[J]. West China Journal of Stomatology, 2022, 40(2): 175-182.

Figures/Tables 13

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项目	临床特征	数量/例	比例/%
性别	男	7	58
性别	女	5	42
牙周病史	有	12	100
牙周病史	无	0	0
糖尿病史	有	0	0
糖尿病史	无	12	100
吸烟史	有	4	33
吸烟史	无	8	67
磨牙症	有	0	0
磨牙症	无	12	100

时间	ΔB0	ΔL0	ΔB1	ΔL1	ΔM0	ΔD0
术后6个月	-0.07±0.02	-0.07±0.02	-0.06±0.02	-0.06±0.02	-0.07±0.04	-0.08±0.05
术后24个月	-0.15±0.04	-0.13±0.02	-0.13±0.04	-0.12±0.03	-0.14±0.05	-0.17±0.17
P值	<0.05	<0.05	<0.05	<0.05	<0.05	<0.05
T值	10.2	14.3	12.7	12.2	12.1	3.8

组别	ΔB0	ΔL0	ΔB1	ΔL1	ΔM0	ΔD0
上颌	-0.08±0.02	-0.07±0.01	-0.06±0.02	-0.06±0.01	-0.07±0.02	-0.07±0.02
下颌	-0.07±0.03	-0.07±0.03	-0.06±0.02	-0.07±0.02	-0.08±0.06	-0.08±0.06
P值	<0.05	0.23	0.85	0.45	0.26	0.37
T值	2.56	1.28	0.19	0.79	1.20	0.96

组别	ΔB0	ΔL0	ΔB1	ΔL1	ΔM0	ΔD0
上颌	-0.15±0.03	-0.12±0.02	-0.13±0.03	-0.11±0.02	-0.13±0.02	-0.13±0.03
下颌	-0.15±0.05	-0.15±0.03	-0.14±0.05	-0.13±0.04	-0.15±0.06	-0.19±0.20
P值	<0.05	0.06	0.64	1.01	0.79	0.25
T值	2.52	2.22	0.48	0.01	0.27	1.25

组别	ΔB0	ΔL0	ΔB1	ΔL1	ΔM0	ΔD0
即刻种植	-0.06±0.01	-0.06±0.02	-0.06±0.03	-0.05±0.02	-0.06±0.02	-0.06±0.01
延期种植	-0.07±0.02	-0.08±0.03	-0.06±0.03	-0.07±0.02	-0.07±0.02	0.10±0.08
P值	0.37	0.09	0.94	0.46	0.46	0.13
T值	0.95	1.96	-0.08	0.78	0.78	1.67