Progressive bone loss and bleeding on probing: A cohort study

IF 3.7 2区医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE

Clinical Implant Dentistry and Related Research Pub Date : 2024-06-23 DOI:10.1111/cid.13356

Ausra Ramanauskaite DDS, Dr. Med. Dent., PhD, Ninad Padhye DDS, Sandra Kallab Dr. Med. Dent, Iulia Dahmer PhD, Amira Begic Dr. Med. Dent, Stefanie Tiede DDS, Frank Schwarz Prof., DDS, Dr. Med. Dent

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引用次数: 0

Abstract

Aim

To investigate whether a progressive marginal bone loss (PMBL) occurring beyond the initial bone remodeling (IBR) is linked with bleeding on probing.

Materials and Methods

A total of 70 partially edentulous patients exhibiting 112 two-piece bone-level implants were included in this retrospective study. Panoramic radiographs were obtained after implant insertion (T0), after delivery of a final prosthetic restoration (T1) and subsequently during the 1-(T2), 5-(T3), 10-(T4), and 15-years (T5) follow-up visits. At each time point, radiographic marginal bone levels were assessed from the implant shoulder to the first bone-to-implant contact at mesial and distal aspects. The IBR was defined as a bone loss occurring up to prosthesis delivery, that is, from T0 to T1. The PMBL was defined as bone loss occurring after T1. At T2, T3, T4, and T5, the presence or absence of bleeding on probing (BOP) was recorded at four sites. A median regression with mixed models was performed to assess the difference of PMBL in PMBL + BOP⁺ and PBML + BOP⁻ groups.

Results

Over the mean implant functioning time of 4.44 ± 4.91 years, 38 (34%) implants showed no PBML, whereas 74 (66%) implants featured PMBL. Of these, 35 (47%) and 39 (53%) implants were assigned to the PMBL + BOP⁻ and PMBL + BOP⁺ groups, respectively. The mean PMBL after 1, 5, 10, and 15 years were comparable between implants featuring PMBL with or without BOP. At 1 year, BOP intensity significantly correlated PMBL, with each increase in one BOP-positive site being associated with increase in PMBL by 0.55 mm (p = 0.038), whereas this association was not found at 5, 10, and 15 years. The IBR values in the no PBML, PMBL + BOP⁺, and PBML + BOP⁻ groups were −0.24 ± 0.31, −0.41 ± 0.59, and −0.24 ± 0.33 mm, respectively, with no significant differences found among the groups.

Conclusion

Progressive bone loss at implant sites is not always linked with bleeding on probing.

Abstract Image

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渐进性骨质流失和探针出血：一项队列研究。

目的：研究在初始骨重塑（IBR）后出现的渐进性边缘骨缺损（PMBL）是否与探诊出血有关：这项回顾性研究共纳入了 70 名部分缺牙患者，他们共植入了 112 颗两件式骨水平种植体。在种植体植入后（T0）、最终修复体交付后（T1）以及随后的 1 年（T2）、5 年（T3）、10 年（T4）和 15 年（T5）随访期间分别拍摄了全景照片。在每个时间点，都会对从种植体肩部到种植体中、远端第一次骨与种植体接触处的边缘骨水平进行放射学评估。IBR 被定义为假体植入前发生的骨质流失，即从 T0 到 T1。PMBL 被定义为 T1 之后发生的骨质流失。在T2、T3、T4和T5，记录四个部位是否有探诊出血（BOP）。采用混合模型进行中位回归，以评估 PMBL + BOP+ 组和 PBML + BOP- 组中 PMBL 的差异：在平均 4.44 ± 4.91 年的种植体功能时间内，38 个（34%）种植体没有出现 PBML，而 74 个（66%）种植体出现了 PMBL。其中，35 个（47%）和 39 个（53%）种植体分别被分配到 PMBL + BOP- 组和 PMBL + BOP+ 组。1年、5年、10年和15年后的平均PMBL值在使用或不使用BOP的植入物之间具有可比性。1 年时，BOP 强度与 PMBL 显著相关，BOP 阳性部位每增加一个，PMBL 就会增加 0.55 mm（p = 0.038），而在 5、10 和 15 年时，则没有发现这种关联。无 PBML 组、PMBL + BOP+ 组和 PBML + BOP- 组的 IBR 值分别为 -0.24 ± 0.31、-0.41 ± 0.59 和 -0.24 ± 0.33 mm，各组间无显著差异：结论：种植部位的骨质逐渐流失并不总是与探诊出血有关。

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来源期刊

Clinical Implant Dentistry and Related Research 医学-牙科与口腔外科

CiteScore

6.00

自引率

13.90%

发文量

103

审稿时长

4-8 weeks

期刊介绍： The goal of Clinical Implant Dentistry and Related Research is to advance the scientific and technical aspects relating to dental implants and related scientific subjects. Dissemination of new and evolving information related to dental implants and the related science is the primary goal of our journal. The range of topics covered by the journals will include but be not limited to: New scientific developments relating to bone Implant surfaces and their relationship to the surrounding tissues Computer aided implant designs Computer aided prosthetic designs Immediate implant loading Immediate implant placement Materials relating to bone induction and conduction New surgical methods relating to implant placement New materials and methods relating to implant restorations Methods for determining implant stability A primary focus of the journal is publication of evidenced based articles evaluating to new dental implants, techniques and multicenter studies evaluating these treatments. In addition basic science research relating to wound healing and osseointegration will be an important focus for the journal.