Survival rate of teeth adjacent and nonadjacent to dental implants: A retrospective cohort study

IF 4.2 2区医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE

Journal of periodontology Pub Date : 2024-05-14 DOI:10.1002/JPER.23-0739

Hsuan-Hung Chen, Guo-Hao Lin, Richard T. Kao, Yu-Ting Yeh

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Abstract

Background

The aim of this retrospective study was to investigate the risk of tooth loss for teeth adjacent and nonadjacent to dental implants.

Methods

A total of 787 patients with an average follow-up of 57.1 months were examined to define the tooth loss, cumulative survival rate, and odds ratio (OR) for teeth adjacent versus nonadjacent to implants. A multivariate logistic regression was employed to assess the association between dental history and various recorded etiologies of tooth loss among teeth adjacent to implants.

Results

The incidence of tooth loss for teeth adjacent to implants was 8.1% at the tooth level and 15.1% at the patient level, while 0.7% and 9.5% at the tooth and patientlevel for teeth nonadjacent to implants. The 10-year cumulative survival rate for teeth adjacent to implants was 89.2%, and the primary etiology of tooth loss was root fracture (45.2%). The risk of tooth loss among teeth adjacent versus nonadjacent to implants was significantly higher (OR 13.15). Among teeth adjacent to implants, root canal-treated teeth had a significantly higher risk of tooth loss due to root fracture (OR 7.72), a history of existing restoration significantly increased the risk of tooth loss due to caries (OR 3.05), and a history of periodontitis significantly increased the risk of tooth loss due to periodontitis (OR 38.24).

Conclusion

The present study demonstrated that after patients received dental implant treatment, teeth adjacent to implants showed a 13.2-fold higher risk of tooth loss compared to teeth nonadjacent to implants, with the primary etiology being root fracture.

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牙科种植体相邻和非相邻牙齿的存活率：回顾性队列研究

背景：这项回顾性研究的目的是调查牙齿种植体相邻和非相邻牙齿脱落的风险：这项回顾性研究的目的是调查与种植体相邻和非相邻的牙齿脱落的风险：对平均随访 57.1 个月的 787 名患者进行了研究，以确定与种植体相邻和非相邻牙齿的脱落率、累积存活率和几率比 (OR)。采用多变量逻辑回归评估牙科病史与种植体邻近牙齿脱落的各种病因之间的关联：结果：与种植体相邻的牙齿脱落发生率在牙齿层面为 8.1%，在患者层面为 15.1%，而与种植体不相邻的牙齿脱落发生率在牙齿和患者层面分别为 0.7% 和 9.5%。种植体邻近牙齿的 10 年累积存活率为 89.2%，牙齿脱落的主要病因是牙根折断（45.2%）。与种植体相邻的牙齿与非相邻的牙齿相比，牙齿脱落的风险明显更高（OR 13.15）。在与种植体相邻的牙齿中，根管治疗过的牙齿因牙根折断导致牙齿脱落的风险明显更高（OR 7.72），有过修复史的牙齿因龋齿导致牙齿脱落的风险明显增加（OR 3.05），有过牙周炎的牙齿因牙周炎导致牙齿脱落的风险明显增加（OR 38.24）：本研究表明，患者接受种植牙治疗后，种植体邻近牙齿的脱落风险是非种植体邻近牙齿的13.2倍，主要病因是牙根折断。

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