目的:观察长正中型全口义齿对老年无牙颌患者口腔健康相关生活质量(Oral Health Related Quality of Life,OHRQoL)的影响,以期为临床全口义齿修复的型选择提供依据。方法:采用随机数字表法随机选取拟行全口义齿修复并伴有牙槽嵴严...目的:观察长正中型全口义齿对老年无牙颌患者口腔健康相关生活质量(Oral Health Related Quality of Life,OHRQoL)的影响,以期为临床全口义齿修复的型选择提供依据。方法:采用随机数字表法随机选取拟行全口义齿修复并伴有牙槽嵴严重吸收的老年无牙颌患者20名,其中男11名,女9名,年龄为(71.1±2.9)岁,通过随机交叉对照实验,在依次戴用长正中型与传统解剖型全口义齿8周后,采用无牙颌口腔健康影响程度量表(Oral Health Impact Profile 20-EDENT,OHIP-EDENT)对全部患者进行问卷调查,评价修复后患者满意度。选用Wilcox on秩和检验来分析比较戴用两种不同型全口义齿后的各量表指标差异。结果:在OHIP-EDENT量表20项指标之中,"义齿适合性不佳"(Z=-2.449,P=0.014<0.05)、"粘膜破溃"(Z=-3.000,P=0.003<0.05)以及"中断进食"(Z=-2.236,P=0.025<0.05)等三方面,长正中型全口义齿显著优于解剖型全口义齿,差异有统计学意义。结论:作为改良型,长正中型有利于减少义齿基托下粘膜疼痛的发生,有助于患者咀嚼效能的发挥,进而降低了佩戴全口义齿对患者进食的影响,更易为牙槽嵴低平的无牙颌患者所适应,明显改善了老年无牙颌患者的口腔健康相关生活质量,获得较高的患者满意度。展开更多
Objective:The purpose of this study was to evaluate three-dimensional(3D) dehiscence of upper anterior alveolar bone during incisor retraction and intrusion in adult patients with maximum anchorage.Methods:Twenty adul...Objective:The purpose of this study was to evaluate three-dimensional(3D) dehiscence of upper anterior alveolar bone during incisor retraction and intrusion in adult patients with maximum anchorage.Methods:Twenty adult patients with bimaxillary dentoalveolar protrusion had the four first premolars extracted.Miniscrews were placed to provide maximum anchorage for upper incisor retraction and intrusion.A computed tomography(CT) scan was performed after placement of the miniscrews and treatment.The 3D reconstructions of pre-and post-CT data were used to assess the dehiscence of upper anterior alveolar bone.Results:The amounts of upper incisor retraction at the edge and apex were(7.64±1.68) and(3.91±2.10) mm,respectively,and(1.34±0.74) mm of upper central incisor intrusion.Upper alveolar bone height losses at labial alveolar ridge crest(LAC) and palatal alveolar ridge crest(PAC) were 0.543 and 2.612 mm,respectively,and the percentages were(6.49±3.54)% and(27.42±9.77)%,respectively.The shape deformations of LAC-labial cortex bending point(LBP) and PAC-palatal cortex bending point(PBP) were(15.37±5.20)° and(6.43±3.27)°,respectively.Conclusions:Thus,for adult patients with bimaxillary protrusion,mechanobiological response of anterior alveolus should be taken into account during incisor retraction and intrusion.Pursuit of maximum anchorage might lead to upper anterior alveolar bone loss.展开更多
文摘目的:观察长正中型全口义齿对老年无牙颌患者口腔健康相关生活质量(Oral Health Related Quality of Life,OHRQoL)的影响,以期为临床全口义齿修复的型选择提供依据。方法:采用随机数字表法随机选取拟行全口义齿修复并伴有牙槽嵴严重吸收的老年无牙颌患者20名,其中男11名,女9名,年龄为(71.1±2.9)岁,通过随机交叉对照实验,在依次戴用长正中型与传统解剖型全口义齿8周后,采用无牙颌口腔健康影响程度量表(Oral Health Impact Profile 20-EDENT,OHIP-EDENT)对全部患者进行问卷调查,评价修复后患者满意度。选用Wilcox on秩和检验来分析比较戴用两种不同型全口义齿后的各量表指标差异。结果:在OHIP-EDENT量表20项指标之中,"义齿适合性不佳"(Z=-2.449,P=0.014<0.05)、"粘膜破溃"(Z=-3.000,P=0.003<0.05)以及"中断进食"(Z=-2.236,P=0.025<0.05)等三方面,长正中型全口义齿显著优于解剖型全口义齿,差异有统计学意义。结论:作为改良型,长正中型有利于减少义齿基托下粘膜疼痛的发生,有助于患者咀嚼效能的发挥,进而降低了佩戴全口义齿对患者进食的影响,更易为牙槽嵴低平的无牙颌患者所适应,明显改善了老年无牙颌患者的口腔健康相关生活质量,获得较高的患者满意度。
基金Project supported by the Shandong Science and Technology Planning Project Contract Research (Nos. 2008GG30002019 and 2008GG 30001001) of Chinathe Shandong University Dental School Project Research (Nos. P2009009,P2009010,and P2010010),China
文摘Objective:The purpose of this study was to evaluate three-dimensional(3D) dehiscence of upper anterior alveolar bone during incisor retraction and intrusion in adult patients with maximum anchorage.Methods:Twenty adult patients with bimaxillary dentoalveolar protrusion had the four first premolars extracted.Miniscrews were placed to provide maximum anchorage for upper incisor retraction and intrusion.A computed tomography(CT) scan was performed after placement of the miniscrews and treatment.The 3D reconstructions of pre-and post-CT data were used to assess the dehiscence of upper anterior alveolar bone.Results:The amounts of upper incisor retraction at the edge and apex were(7.64±1.68) and(3.91±2.10) mm,respectively,and(1.34±0.74) mm of upper central incisor intrusion.Upper alveolar bone height losses at labial alveolar ridge crest(LAC) and palatal alveolar ridge crest(PAC) were 0.543 and 2.612 mm,respectively,and the percentages were(6.49±3.54)% and(27.42±9.77)%,respectively.The shape deformations of LAC-labial cortex bending point(LBP) and PAC-palatal cortex bending point(PBP) were(15.37±5.20)° and(6.43±3.27)°,respectively.Conclusions:Thus,for adult patients with bimaxillary protrusion,mechanobiological response of anterior alveolus should be taken into account during incisor retraction and intrusion.Pursuit of maximum anchorage might lead to upper anterior alveolar bone loss.
