Minimally invasive approaches for implant-supported overdentures in the atrophied mandible.

IF 2 3区 医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE Gerodontology Pub Date : 2024-11-27 DOI:10.1111/ger.12789
Helene Bacher, Monika Kasaliyska, Christin Arnold, Jeremias Hey, Ramona Schweyen
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Abstract

Objectives: The study compares three minimally invasive approaches for the retention of implant supported mandibular complete dentures, particularly focusing on patient satisfaction.

Background: The McGill Consensus Statement recommends restoration of the edentulous mandible with an overdenture retained on two implants. Alternatively, less invasive treatment concepts with shorter treatment times have been developed for critical cases.

Material and methods: Thirty-nine patients (with a total of 78 implants) with advanced mandibular bone atrophy were randomly assigned to three groups: "single standard implant-retained overdentures" (SSO) and "mini-implant-retained overdentures" (MO), which was further subdivided into "two mini-implant-retained overdentures" (TMO) and "four mini-implant-retained overdentures" (FMO). The technical and biological parameters and oral health-related quality of life were evaluated over a 10-year period. Data were analysed for group comparisons and longitudinal trend analysis.

Results: Sixteen patients (42%) dropped out during the study period. At the time of follow-up, 98.4% of the implants were in situ. The first need for technical intervention occurred after 3.8 ± 1.1, 4.2 ± 0.9, and 4.6 ± 1.3 years in the TMO, SSO, and FMO groups, respectively. Attachment exchange (39%) was the most frequently performed intervention in all groups. Healthy peri-implant and mucosal conditions were observed in 74% and 40% of patients after 1 and 10 years, respectively. The OHIP-G14 score was 22.6 before implantation, 7.6 at 1 year (effect size [ES]: 1.1), and 5.4 at 10 years (ES: 2.3).

Conclusion: Irrespective of the minimal concept selected, complete mandibular dentures retained on implants improved the subjective perception of the quality of life. Application of these alternative minimal concepts may be practical in clinical practice.

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在下颌骨萎缩的情况下采用微创方法制作种植体支撑的覆盖义齿。
研究目的:比较三种下颌全口义齿种植体支持固位的微创方法,尤其关注患者的满意度:本研究比较了下颌全口义齿种植体支持固位的三种微创方法,尤其关注患者的满意度:背景:《麦吉尔共识声明》建议用两个种植体固位的覆盖义齿修复无牙颌。背景:《麦吉尔共识声明》建议用两个种植体固位的覆盖义齿修复下颌无牙颌,另外,针对危重病例还开发了创伤更小、治疗时间更短的治疗理念:将 39 名下颌骨晚期萎缩患者(共 78 个种植体)随机分配到三组:"单颗标准种植体固位覆盖义齿组"(SSO)和 "微型种植体固位覆盖义齿组"(MO),后者又分为 "两颗微型种植体固位覆盖义齿组"(TMO)和 "四颗微型种植体固位覆盖义齿组"(FMO)。在 10 年的时间里,对技术和生物参数以及与口腔健康相关的生活质量进行了评估。对数据进行了分组比较和纵向趋势分析:16名患者(42%)在研究期间退出了研究。随访期间,98.4%的种植体在原位。TMO组、SSO组和FMO组首次需要技术干预的时间分别为3.8±1.1年、4.2±0.9年和4.6±1.3年。基台交换(39%)是所有组别中最常进行的干预。1年和10年后,分别有74%和40%的患者种植体周围和粘膜状况良好。种植前的OHIP-G14评分为22.6分,1年后为7.6分(效应大小[ES]:1.1),10年后为5.4分(效应大小[ES]:2.3):结论:无论选择哪种最小概念,通过种植体固位的下颌全口义齿都能改善人们对生活质量的主观感受。在临床实践中应用这些可供选择的最小概念可能是切实可行的。
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来源期刊
Gerodontology
Gerodontology 医学-老年医学
CiteScore
4.10
自引率
10.00%
发文量
50
审稿时长
3-6 weeks
期刊介绍: The ultimate aim of Gerodontology is to improve the quality of life and oral health of older people. The boundaries of most conventional dental specialties must be repeatedly crossed to provide optimal dental care for older people. In addition, management of other health problems impacts on dental care and clinicians need knowledge in these numerous overlapping areas. Bringing together these diverse topics within one journal serves clinicians who are seeking to read and to publish papers across a broad spectrum of specialties. This journal provides the juxtaposition of papers from traditional specialties but which share this patient-centred interest, providing a synergy that serves progress in the subject of gerodontology.
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