Department of Oral Rehabilitation and Community Care, Faculty of Dental Surgery, University of Malta, Msida, Malta.
Department of Dental Surgery, Faculty of Dental Surgery, University of Malta, Msida, Malta.
Clin Implant Dent Relat Res. 2020 Dec;22(6):723-729. doi: 10.1111/cid.12955. Epub 2020 Oct 18.
Little is known on the effect of varying implant diameters, especially with mini implants (ie, less than 3 mm in diameter), on oral health-related quality of life (OHrQoL).
To compare OHrQoL and satisfaction in patients with mandibular overdentures immediately retained by either two conventional or two mini-implants.
Edentulous patients receiving immediately loaded overdentures retained by Locators on either two conventional diameter (4.1 mm) or two mini (2.9 mm or less) implants were selected based on available buccal-lingual ridge width in the intraforaminal area. Two questionnaires were used (Oral Health Impact Profile-14 [OHIP-14]; and Denture Satisfaction Questionnaire [DSQ]) to determine OHrQoL and overall denture satisfaction. Questionnaires were filled out at six different time points up to a 1-year follow-up. Mann-Whitney U test was used for group comparisons. Friedman and Wilcoxon tests were used to identify changes within group along the time points. Correlation between OHIP-14 and DSQ was assessed with Spearman test.
A total of 48 patients were analyzed and equally distributed to each group. The conventional group presented a significantly smaller change of OHIP functional score from the baseline to the first week of follow-up after surgery (P = .017). In addition, total DSQ scores were significantly higher for the conventional group at 12 weeks (P = .022) and there was a significant difference between groups in satisfaction with mandibular prosthesis at 24 weeks (P = .034). Correlation between OHIP-14 and DSQ was not significant (P > .05). Individual results of each group (ie, within group analysis) over all assessed time points revealed a significant OHrQoL (P = .001 for conventional, P = .006 for mini-implants) and satisfaction (P < .001 for both groups) improvement in both groups.
Mandibular overdentures retained by two conventional or mini-implants lead to a significant and comparable improvements in OHrQoL and satisfaction over a 1-year follow-up.
对于不同直径的种植体（尤其是直径小于 3 毫米的迷你种植体）对口腔健康相关生活质量（OHrQoL）的影响知之甚少。
比较Locator 固位的下颌覆盖义齿即刻用 2 个常规直径（4.1 毫米）种植体或 2 个迷你（2.9 毫米或更小）种植体固位时患者的 OHrQoL 和满意度。
根据牙槽嵴内的颊舌向宽度，选择即刻负载覆盖义齿，用Locator 固位，分别用 2 个常规直径（4.1 毫米）或 2 个迷你（2.9 毫米或更小）种植体固位的无牙颌患者。使用两个问卷（口腔健康影响量表-14 [OHIP-14]；义齿满意度问卷[DSQ]）来确定 OHrQoL 和总体义齿满意度。在 1 年的随访中，在 6 个不同的时间点填写问卷。使用 Mann-Whitney U 检验进行组间比较。使用 Friedman 和 Wilcoxon 检验来确定组内随时间的变化。使用 Spearman 检验评估 OHIP-14 和 DSQ 之间的相关性。
共分析了 48 例患者，平均分配到每组。常规组在手术至术后第一周的 OHIP 功能评分的变化明显小于基线（P=.017）。此外，常规组在 12 周时的总 DSQ 评分明显更高（P=.022），两组在 24 周时对下颌义齿的满意度存在显著差异（P=.034）。OHIP-14 和 DSQ 之间的相关性不显著（P >.05）。两组在所有评估时间点的个体结果（即组内分析）均显示 OHrQoL 显著改善（常规组 P=.001，迷你种植体组 P=.006），满意度显著提高（两组均 P <.001）。
用 2 个常规或迷你种植体固位的下颌覆盖义齿在 1 年的随访中，OHrQoL 和满意度均有显著而相似的改善。
