Preloading peri-implant crestal bone loss: A retrospective study of incidence and related factors

IF 3.8 2区医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Journal of periodontology Pub Date : 2024-06-26 DOI:10.1002/JPER.24-0028

Nathalia Vilela, Bruno C. V. Gurgel, Carlos De Bruzos, Wagner R. Duarte, Hélio D. P. da Silva, Claudio M. Pannuti, Poliana Mendes Duarte

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Abstract

Background

The aim of this study was to evaluate the incidence of preloading crestal bone loss (PLCBL) and to identify the patient-related and implant-related factors associated with PLCBL.

Methods

This retrospective cohort examined the dental records of patients who received at least one dental implant. PLCBL was defined as a reduction ⩾0.5 mm and severe PLCBL (primary variable) as a reduction ⩾1.5 mm in mesial and/or distal bone level, measured from the day of implant placement to uncovering or abutment installation/crown delivery. The incidence of PLCBL and patient and implant variables were recorded. Bivariate analysis and binary logistic regression identified factors associated with PLCBL ⩾0.5 mm and ⩾1.5 mm.

Results

A total of 746 dental implants placed in 361 patients from January 2011 to July 2021 was included in the analyses. Of the implants assessed, 24.4% (n = 182) exhibited PLCBL ⩾ 0.5 mm and 10.5% (n = 78) presented severe PLCBL (i.e., ⩾1.5 mm). Males (odds ratio [OR] = 1.85, 95% confidence interval [CI] = 1.11–3.07), patients with diabetes (OR = 3.33, 95% CI = 1.73–6.42), and those allergic to penicillin (OR = 3.13, 95% CI = 1.57–6.22) were more likely to experience severe PLCBL (p < 0.05). Implants placed in the anterior area (OR = 2.08, 95% CI = 1.16–3.73), with bone-level platform-abutment connection (OR = 4.73, 95% CI = 1.94–11.49) and inserted supracrestally (OR = 3.77, 95% CI = 1.84–7.72), presented a greater risk of developing severe PLCBL (p < 0.05). Implants placed in a previously grafted area presented a lower likelihood of developing severe PLCBL (OR = 0.489, 95% CI = 0.28–0.84).

Conclusion

The incidence of PLCBL ⩾ 0.5 mm and ⩾1.5 mm was 24.4% and 10.5%, respectively. Male sex, diabetes, allergy to penicillin, anterior location, bone-level platform-abutment connection, and supracrestal implant placement are potential risk factors for severe PLCBL. A previously grafted area is a potential protective factor.

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种植体周围骨质流失：发病率及相关因素的回顾性研究。

背景：本研究旨在评估加载前骨嵴骨质流失（PLCBL）的发生率，并确定与PLCBL相关的患者和种植体因素：本研究旨在评估加载前骨嵴骨质流失（PLCBL）的发生率，并确定与 PLCBL 相关的患者相关因素和种植体相关因素：这项回顾性队列研究调查了至少接受过一次牙科植入手术的患者的牙科记录。PLCBL的定义是：从种植体植入当天到揭开基台或安装基台/制作牙冠期间，中轴和/或远端骨水平下降⩾0.5 mm，严重PLCBL（主要变量）下降⩾1.5 mm。记录了 PLCBL 的发生率以及患者和种植体的变量。双变量分析和二元逻辑回归确定了与PLCBL⩾0.5 mm和⩾1.5 mm相关的因素：2011年1月至2021年7月期间，共有361名患者植入了746颗牙科植入体。在接受评估的种植体中，24.4%（n = 182）的 PLCBL ⩾ 0.5 mm，10.5%（n = 78）的 PLCBL 严重（即⩾1.5 mm）。男性（比值比 [OR] = 1.85，95% 置信区间 [CI] = 1.11-3.07）、糖尿病患者（比值比 [OR] = 3.33，95% 置信区间 [CI] = 1.73-6.42）和青霉素过敏者（比值比 [OR] = 3.13，95% 置信区间 [CI] = 1.57-6.22）更有可能出现严重的 PLCBL（P 结论：PLCBL 的发病率为 0.5%-1.5%：PLCBL⩾0.5毫米和⩾1.5毫米的发病率分别为24.4%和10.5%。男性、糖尿病、对青霉素过敏、前牙位置、骨水平平台与基台连接以及上嵴种植体植入是导致严重PLCBL的潜在风险因素。以前移植过的区域则是潜在的保护因素。

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