Gerodontology最新文献_第9页

Health-Related Behaviour Clusters and Functional Dentition in Older People 老年人健康相关行为簇与牙列功能。

IF 1.7 3区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

Gerodontology

Pub Date : 2025-01-08 DOI: 10.1111/ger.12807

Fatimah Alobaidi, Ellie Heidari, Wael Sabbah

Objectives

To identify different clusters of health-related behaviours and examine whether these clusters are associated with maintaining 20 or more teeth.

Background

Engaging in risky behaviours impacts tooth loss, particularly among older adults. Maintaining 20 teeth is a challenge for this age group. The co-occurrence of health-risk behaviours is common and has been linked to an increased risk of multiple chronic diseases, including tooth loss.

Material and Methods

A cross-sectional analysis of wave 7 of the English Longitudinal Study of Ageing (ELSA) was conducted. Functional dentition was self-reported as having 20 or more teeth. Four health-related behaviours (smoking, alcohol intake, fruit and vegetable consumption, and physical activity) were analysed to investigate their association with functional dentition. Demographic characteristics (sex, age, ethnicity) and socioeconomic factors (education, wealth) were included as covariates. Latent Class Analysis (LCA) was conducted using four dichotomised behaviour variables to identify clusters of behaviours. Logistic regression modelling was used to examine the association between clusters of health-related behaviours and functional dentition. The model was adjusted for demographic and socioeconomic factors.

Results

A total of 7783 participants were included. The LCA model identified three clusters: (1) risky, (2) moderate and (3) healthy. In the fully adjusted logistic regression model, the odds of having a functional dentition were 1.42 higher among those in the moderate cluster (95% CI: 1.23, 1.65), and 1.70 higher among those in the healthy cluster (95% CI: 1.39, 2.09) than for participants in the risky cluster.

Conclusion

Risky behaviours tend to cluster among older adults. Engaging in multiple risky behaviours is associated with having fewer than 20 teeth. Initiatives and public health campaigns that focus on these clustering patterns, as well as the underlying factors, could benefit both oral and general health.

目的：确定不同类型的健康相关行为，并检查这些类型是否与维持20颗或更多牙齿相关。背景：从事危险行为会影响牙齿脱落，特别是在老年人中。维持20颗牙齿对这个年龄段的人来说是个挑战。多种危害健康的行为同时发生是很常见的，并与包括牙齿脱落在内的多种慢性疾病的风险增加有关。材料和方法：对英国老龄化纵向研究（ELSA）的第7波进行横断面分析。功能牙列自我报告为有20颗或更多牙齿。分析了四种与健康相关的行为（吸烟、饮酒、水果和蔬菜消费以及体育活动），以调查它们与牙齿功能的关系。人口统计学特征（性别、年龄、种族）和社会经济因素（教育、财富）被纳入协变量。潜类分析（LCA）使用四个二分类行为变量来识别行为簇。使用逻辑回归模型来检验与健康相关的行为簇与牙列功能之间的关联。该模型根据人口和社会经济因素进行了调整。结果：共纳入7783名受试者。LCA模型确定了三个集群：(1)风险，(2)中度和(3)健康。在完全调整后的logistic回归模型中，中度组中具有功能牙列的几率比危险组高1.42 (95% CI: 1.23, 1.65)，健康组中具有功能牙列的几率比危险组高1.70 （95% CI: 1.39, 2.09）。结论：危险行为倾向于在老年人中聚集。从事多种危险行为与牙齿少于20颗有关。侧重于这些聚类模式及其潜在因素的举措和公共卫生运动可能有利于口腔和一般健康。

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引用次数: 0

Quality of Life and Oral Function in Patients With Jaw Defects Following Oral Tumour Surgery 口腔肿瘤术后颌骨缺损患者的生活质量和口腔功能。

IF 1.7 3区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

Gerodontology

Pub Date : 2024-12-27 DOI: 10.1111/ger.12800

Takayuki Kosaka, Manami Tsuji, Momoyo Kida, Shuri Fushida, Suzuna Akema, Daisuke Hasegawa, Kazunori Ikebe

Objectives

To evaluate various oral functions in patients with jaw defects after oral tumour surgery and to clarify factors associated with their quality of life (QoL).

Background

In patients with jaw defects, oral function and QoL are severely impaired. No studies have evaluated oral functions of patients with jaw defects and examined their relationships with QoL.

Materials and Methods

The study participants were 72 patients (mean age: 70.7 ± 10.1 years, range 48–93 years) who underwent prosthetic treatment with a removable denture to treat a jaw defect following oral tumour surgery. Masticatory performance, maximum bite force, oral dryness, tongue pressure, and tongue-lip motor function (oral diadochokinesis, /pa/, /ta/, /ka/ syllables) were evaluated after prosthetic treatment. The Japanese version of the EORTC QLQ-H&N 35 was used to assess QoL. From the QoL assessment, the “Pain”, “Swallowing”, “Sense”, “Speech”, “Social eating”, and “Social contact” scales were extracted. Multiple regression analysis was conducted using each QoL scale as the dependent variable and oral functions as explanatory variables.

Results

In the multiple regression model for “Swallowing”, the oral diadochokinesis /ta/ was a significant explanatory variable. In the model for “Sense”, tongue pressure was a significant explanatory variable. In the model for “Speech”, age was a significant explanatory variable. In the model for “Social contact”, tongue pressure was the significant explanatory variable.

Conclusion

In patients with jaw defects following oral tumour surgery, lower tongue pressure is associated with poorer QoL in a wider range of ways than other oral functions are.

目的：评价口腔肿瘤术后颌骨缺损患者的各项口腔功能，探讨影响患者生活质量的相关因素。背景：颌骨缺损患者口腔功能和生活质量严重受损。目前还没有研究评估颌骨缺损患者的口腔功能及其与生活质量的关系。材料和方法：研究参与者为72例患者（平均年龄：70.7±10.1岁，范围48-93岁），他们在口腔肿瘤手术后使用活动义齿治疗颌骨缺损。在义肢治疗后评估咀嚼性能、最大咬合力、口腔干燥、舌压和舌唇运动功能（口腔diadochkinesis， /pa/, /ta/， /ka/音节）。使用日本版的EORTC QLQ-H&N 35来评估QoL。从生活质量评估中提取“疼痛”、“吞咽”、“感觉”、“言语”、“社交进食”和“社交接触”量表。以各生活质量量表为因变量，以口腔功能为解释变量，进行多元回归分析。结果：在“吞咽”的多元回归模型中，口腔diadochokinesis /ta/是显著的解释变量。在“感觉”的模型中，舌压是一个显著的解释变量。在“Speech”模型中，年龄是一个显著的解释变量。在“Social contact”模型中，舌压是显著的解释变量。结论：在口腔肿瘤术后颌骨缺损患者中，与其他口腔功能相比，下舌压在更广泛的方面与较差的生活质量相关。

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引用次数: 0

Diary Dates 日记的日期。

IF 2 3区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

Gerodontology

Pub Date : 2024-12-26 DOI: 10.1111/ger.12804

引用次数: 0

Impact of Subjective Masticatory Difficulty on Malnutrition and Frailty in Community-Dwelling Older Adults 主观咀嚼困难对社区老年人营养不良和虚弱的影响。

IF 1.7 3区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

Gerodontology

Pub Date : 2024-12-18 DOI: 10.1111/ger.12806

Chang Won Won, Seung-Yun Shin, Miji Kim, Min Jung Ko, Seongwoo Seo, Jong Seob So, Hoi-In Jung, Hong-Seop Kho, Kyung Lhi Kang, Seung-Ryong Ha, Nam-Hee Kim, Jina Lee Linton, Jeong-Hyun Kang

Objectives

This study evaluated the impact of masticatory difficulty on the development and progression of malnutrition, frailty, sarcopenia, and disability in community-dwelling adults, using data from the Korean Frailty and Aging Cohort Study.

Methods

Participants were categorised by presence of masticatory difficulty. The Fried frailty phenotype, mini-nutritional assessments, and diagnostic criteria proposed by Asian Working Group on Sarcopenia were adopted to diagnose frailty, malnutrition, and sarcopenia respectively. Physical disabilities were measured using the Korean activities of daily living (ADL) and Korean instrumental activities of daily living (IADL) scales.

Results

A total of, 3010 participants were initially enrolled, 2864 participants remained in the study after 2 years, reflecting a 95.1% retention compliance. At baseline, the prevalence of frailty (28.0% vs. 18.1%), malnutrition (1.5% vs. 0.8%), IADL disability (10.1% vs. 7.7%), and ADL disability (10.8% vs. 8.0%) was higher among those experiencing masticatory difficulty than in those without. After 2 years, baseline masticatory difficulty was associated with the incidence of malnutrition (OR, 2.62; 95% CI, 0.99–6.90; p = 0.042) after full adjustment for confounders. However, no associations were found between baseline masticatory difficulty and the incidence of frailty, sarcopenia or physical disability over 2 years after adjustment. Additionally, masticatory difficulty did not affect the persistence or remission of malnutrition, frailty, sarcopenia, IADL disability, and ADL disability in individuals who already had these conditions at baseline.

Conclusion

Restoring chewing function and masticatory satisfaction improves not only oral health but also contributes to overall health and promotes healthy aging in older individuals.

目的：本研究利用韩国衰弱和老龄化队列研究的数据，评估咀嚼困难对社区居住成年人营养不良、虚弱、肌肉减少和残疾的发展和进展的影响。方法：根据咀嚼困难的存在对参与者进行分类。采用亚洲肌少症工作组提出的Fried虚弱表型、mini-营养评估和诊断标准分别诊断虚弱、营养不良和肌少症。使用韩国日常生活活动（ADL）和韩国日常生活器乐活动（IADL）量表测量身体残疾。结果：最初共有3010名参与者入组，2年后2864名参与者仍在研究中，保留率为95.1%。在基线时，有咀嚼困难的患者中虚弱（28.0%对18.1%）、营养不良（1.5%对0.8%）、IADL残疾（10.1%对7.7%）和ADL残疾（10.8%对8.0%）的患病率高于没有咀嚼困难的患者。2年后，基线咀嚼困难与营养不良发生率相关(OR, 2.62；95% ci, 0.99-6.90；P = 0.042)。然而，没有发现基线咀嚼困难与调整后2年内虚弱、肌肉减少或身体残疾的发生率之间存在关联。此外，咀嚼困难并不影响营养不良、虚弱、肌肉减少症、IADL残疾和ADL残疾在基线时已经存在的个体的持续或缓解。结论：恢复咀嚼功能和咀嚼满意度不仅可以改善口腔健康，而且有助于老年人的整体健康，促进健康老龄化。

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引用次数: 0

Nutrition, Chewing Ability and Quality of Life in Older Adults With Implant Overdentures: A Prospective Clinical Study 老年人种植覆盖义齿的营养、咀嚼能力和生活质量：一项前瞻性临床研究。

IF 1.7 3区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

Gerodontology

Pub Date : 2024-12-11 DOI: 10.1111/ger.12802

Ceren Küçük, Güleren Sabuncular, Ferit Bayram, Şule Aktaç, Buket Evren, Fatma Esra Güneş

Objectives

To evaluate the changes in nutritional status, chewing ability and oral health-related quality of life in edentulous individuals who have initially been rehabilitated with immediate complete dentures (CD) which are then transformed to implant-supported overdentures (IOD) after a period of osseointegration.

Background

Compared to those with conventional dentures, individuals with IODs exhibit improved patient-reported outcomes, chewing capacity and biting force. While prior research highlights differences in nutritional markers between these groups, there is limited investigation into intra-individual changes in nutritional status, chewing ability and oral health-related quality of life during the transition from CDs to IODs.

Materials and Methods

Edentulous individuals aged 50 years or older and needing oral rehabilitation with IODs were eligible for this prospective study. The primary outcome measure was the nutritional status as measured by the Mini Nutritional Assessment (MNA). The Oral Health Impact Profile (OHIP-14) questionnaire and chewing ability questionnaire represented secondary outcome measures. These measures were assessed at baseline (T0), 3-month follow-up after application of the CD (T1), and 3- and 6-month follow-up after the CD had been transformed to IOD (T2 and T3). Statistical analyses used repeated measures ANOVA or the Friedman test for OHIP-14 and MNA scores, with logistic regression used for malnutrition risk.

Results

Thirty-five participants were included in the final analysis. MNA scores significantly worsened from the baseline to the 3-month follow-up after the application of the CD. There was no significant change in nutritional status between baseline and the IOD 3- and 6-month follow-up appointment. IODs led to significant improvements in the OHIP total score at both the 3- and 6-month follow-ups (p < 0.001, W = 0.60) with a strong effect size. Difficulty in chewing decreased significantly, affecting 91.4% of participants at baseline, which reduced to 51.4% (18/35) by the 6th month.

Conclusion

Implant-supported overdentures do not influence nutritional status, but they improve chewing ability and oral–health related quality of life in older adults.

目的：评价无牙患者在最初使用直接全口义齿（CD）进行修复后，经过一段时间的骨整合后再转换为种植覆盖义齿（IOD），其营养状况、咀嚼能力和口腔健康相关生活质量的变化。背景：与传统的假牙相比，有iod的个体表现出更好的患者报告的结果，咀嚼能力和咬合力。虽然先前的研究强调了这些群体之间营养指标的差异，但在从cd到iod过渡期间，对营养状况、咀嚼能力和口腔健康相关生活质量的个体内变化的调查有限。材料和方法：年龄在50岁或以上且需要碘化碘片口腔康复的无牙个体符合本前瞻性研究的条件。主要结局指标是通过迷你营养评估（MNA）测量的营养状况。口腔健康影响问卷（OHIP-14）和咀嚼能力问卷是次要结果测量。这些措施在基线（T0）、应用CD后3个月随访（T1）和CD转化为IOD后3个月和6个月随访（T2和T3）时进行评估。统计分析使用重复测量ANOVA或Friedman检验OHIP-14和MNA评分，并使用logistic回归分析营养不良风险。结果：35名参与者被纳入最终分析。在应用CD后的3个月随访期间，MNA评分从基线到3个月随访期间显著恶化。在基线和IOD 3个月和6个月随访期间，营养状况没有显著变化。在3个月和6个月的随访中，iod显著改善了OHIP总分(p结论：种植支持覆盖义齿不影响营养状况，但改善了老年人的咀嚼能力和口腔健康相关的生活质量。

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引用次数: 0

Effect of Oral Screen Training After Stroke—A Randomised Controlled Trial 脑卒中后口腔筛查训练的效果——一项随机对照试验。

IF 1.7 3区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

Gerodontology

Pub Date : 2024-12-05 DOI: 10.1111/ger.12803

Jesper Dalum, Pia Skott, Elisabet Åkesson, Emmelie Persson, Åsa Karlsson, Henrike Häbel, Åke Seiger, Anita McAllister, Kerstin Johansson, Gunilla Sandborgh-Englund

Objective

To assess the effects of oral screen training in patients with dysphagia post-stroke.

Background

Oral screen training has been identified as an effective method for improving orofacial and oropharyngeal motor functions. However, the evidence supporting a positive transfer effect on swallowing capacity post-primary stroke rehabilitation is still unclear. The aim of this randomised controlled trial was to investigate the effect of a 12-week oral screen training programme using a prefabricated oral screen, with swallowing capacity as the primary outcome.

Materials and Methods

In a randomised trial, stroke survivors with residual dysphagia post-rehabilitation were randomised into intervention group (n = 12) and control group (n = 12). The intervention group underwent 12 weeks of oral screen training. The main outcome was swallowing capacity, with lip force as a training indicator. Secondary outcomes were assessed by the Eating Assessment Tool, Masticatory performance, Nordic Orofacial Test—Screening, Life Satisfaction Questionnaire and the Edmonton Symptom Assessment System.

Results

At the 3-month follow-up, the group that trained with an oral screen showed a significantly greater increase in lip force than the control group (mean lip force increase 10.2 N vs. 3.1 N; p = 0.02). There was no significant improvement in swallowing capacity (mean increase 0.7 mL/min vs. 0.8 mL/min; p = 0.43), or in any of the secondary variables in the intervention group relative to the control group.

Conclusion

The findings from this study showed that oral screen training initiated after completion of regular rehabilitation post-stroke can increase lip force. However, there was no indication of any transfer effect on swallowing capacity.

Trial Registration

Clinicaltrial.gov identifier: NCT03167892

目的：评价口腔筛查训练对脑卒中后吞咽困难患者的治疗效果。背景：口腔筛查训练已被确定为改善口面部和口咽运动功能的有效方法。然而，支持对原发性卒中后康复吞咽能力的积极转移效应的证据仍不清楚。本随机对照试验的目的是研究使用预制口腔筛检器进行为期12周的口腔筛检训练计划的效果，以吞咽能力为主要指标。材料与方法：在一项随机试验中，将康复后存在吞咽困难的脑卒中幸存者随机分为干预组（n = 12）和对照组（n = 12）。干预组接受为期12周的口腔筛查训练。主要结果是吞咽能力，唇力作为训练指标。次要结果通过进食评估工具、咀嚼表现、北欧口腔面部测试筛查、生活满意度问卷和埃德蒙顿症状评估系统进行评估。结果：在3个月的随访中，使用口腔筛查训练组的唇力明显高于对照组(平均唇力增加10.2 N比3.1 N；p = 0.02)。吞咽能力无明显改善(平均增加0.7 mL/min vs 0.8 mL/min；P = 0.43)，或干预组相对于对照组的任何次要变量。结论：本研究结果表明，在卒中后完成常规康复后进行口腔筛查训练可以增加唇部力量。然而，没有迹象表明对吞咽能力有任何转移作用。试验注册：Clinicaltrial.gov识别码：NCT03167892。

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引用次数: 0

Efficacy of a 3-Month Oral Function Management Protocol Incorporating Provision of Dietary Advice for Older Outpatients: A Randomised Controlled Trial 为老年门诊患者提供饮食建议的3个月口腔功能管理方案的疗效：一项随机对照试验。

IF 1.7 3区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

Gerodontology

Pub Date : 2024-12-05 DOI: 10.1111/ger.12799

Ayaka Hori, Midori Ohta, Yasuhiro Horibe, Masahiro Ryu, Takayuki Ueda

Objective

This study aimed to examine the effects of an oral hypofunction management protocol incorporating oral function training and provision of dietary advice for 3 months on the nutritional status and oral function of older patients diagnosed with oral hypofunction.

Background

Oral hypofunction is associated with poor nutritional status, emphasising the need for management protocols incorporating provision of nutritional guidance and dietary advice. However, the efficacy of such protocols remains unclear.

Materials and Methods

This quasi-randomised controlled clinical trial included 80 patients (age ≥ 65 years) diagnosed with oral hypofunction who were divided into two groups (intervention and control). The intervention group was provided with dietary advice and instructed to perform daily oral function training. The patients' nutritional status and oral function were evaluated every 1.5 months. Intergroup and intragroup comparisons were made.

Results

The intervention group exhibited a significant increase in the mean Mini Nutritional Assessment score over the study period (baseline: 25.4 ± 3.2; after 3 months: 26.3 ± 3.0), whereas no significant difference was observed in the control group (baseline: 26.4 ± 2.4; after 3 months: 26.4 ± 2.7). The mean number of symptoms of poor oral function was 4.0 ± 1.0 and 3.9 ± 0.9 at baseline and 2.8 ± 1.3 and 3.0 ± 1.3 after 3 months in the intervention and control groups, respectively, with a significant difference within the groups.

Conclusion

Management protocols incorporating provision of nutritional advice effectively improved the oral function and nutritional status of older patients with oral hypofunction.

目的：本研究旨在探讨口腔功能减退治疗方案，包括口腔功能训练和提供3个月的饮食建议，对诊断为口腔功能减退的老年患者的营养状况和口腔功能的影响。背景：口腔功能减退与营养状况不良有关，强调需要制定包括提供营养指导和饮食建议的管理方案。然而，这些方案的效果尚不清楚。材料与方法：本研究纳入80例年龄≥65岁的口腔功能减退患者，随机分为干预组和对照组。干预组提供饮食建议，并指导进行日常口腔功能训练。每1.5个月评估患者的营养状况和口腔功能。组间和组内比较。结果：干预组在研究期间的平均Mini营养评估评分显著增加(基线：25.4±3.2；3个月后：26.3±3.0)，而对照组无显著差异(基线：26.4±2.4；3个月后：26.4±2.7)。干预组和对照组3个月后出现口腔功能不良症状的平均次数分别为基线时4.0±1.0和3.9±0.9次，3个月后分别为2.8±1.3和3.0±1.3次，组内差异有统计学意义。结论：提供营养建议的管理方案能有效改善老年口腔功能减退患者的口腔功能和营养状况。

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引用次数: 0

Professor Frauke Müller—An Appreciation 弗劳克·米勒教授，谢谢。

IF 2 3区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

Gerodontology

Pub Date : 2024-12-05 DOI: 10.1111/ger.12801

William Murray Thomson

引用次数: 0

Knowledge and Experiences of Oral Health Care and Periodontitis of Caregivers of Older Adults With Cognitive Impairment 有认知障碍的老年人的照顾者对口腔保健和牙周炎的了解和经验。

IF 1.7 3区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

Gerodontology

Pub Date : 2024-11-27 DOI: 10.1111/ger.12798

Diego Prieto, Miguel Palacios, Valentina Wainstein, Duniel Ortuño, Sebastián Mora, Alejandra Chaparro, Andrés Pascual

Background and Objectives

There is limited evidence on knowledge of related health among healthcare personnel who care for older adults. The objective of this study was to investigate the knowledge and experience of oral health care among family members and medical staff responsible for older adults with varying degrees of cognitive impairment and Alzheimer's disease.

Materials and Methods

This qualitative study explored the experiences and knowledge of 30 family members and medical staff through in-depth, semi-structured interviews. The interviews were recorded using both audio and video formats: digital platforms were used for immediate family members, while formal caregivers were interviewed in person. Researchers transcribed and analysed the recordings, categorising the answers to identify emerging topics until reaching saturation.

Results

The core emerging themes among the direct family members were: (1) Lack of knowledge about oral health; (2) Oral hygiene role for the patients; (3) Consequences of a poor oral care; and (4) Recommendations for a better oral health care. For the formal caregivers the emerging themes were: (1) Lack of knowledge and experiences about oral health; (2) Deficient oral hygiene of residents; (3) Impact on quality of life; and (4) Suggestions for improving oral health.

Conclusion

Despite recognising the significance of oral health, direct family members and formal caregivers of older adults with cognitive impairment or dementia still need additional tools to effectively carry out necessary hygiene techniques and care.

背景和目的：关于照顾老年人的医护人员的相关保健知识的证据有限。本研究旨在调查负责照顾患有不同程度认知障碍和阿尔茨海默病的老年人的家庭成员和医务人员对口腔保健的了解和经验：这项定性研究通过深入的半结构式访谈，探讨了 30 名家庭成员和医务人员的经验和知识。访谈以音频和视频的形式进行记录：直系亲属使用数字平台，正式护理人员则亲自接受访谈。研究人员对录音进行了转录和分析，对答案进行了分类，以确定新出现的主题，直至达到饱和状态：直系亲属中新出现的核心主题是(1) 缺乏口腔健康知识；(2) 患者的口腔卫生角色；(3) 不良口腔护理的后果；(4) 改善口腔健康护理的建议。正规护理人员的新主题是(1) 缺乏口腔健康知识和经验；(2) 居民口腔卫生不足；(3) 对生活质量的影响；以及 (4) 改善口腔健康的建议：尽管认识到了口腔健康的重要性，但有认知障碍或痴呆症的老年人的直接家庭成员和正式护理人员仍然需要额外的工具来有效地执行必要的卫生技术和护理。

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引用次数: 0

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

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

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.

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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