Clinical effects of acrylic resilient denture liners applied to mandibular complete dentures on the alveolar ridge
Clinical effects of acrylic resilient denture liners applied to mandibular complete dentures on the alveolar ridge
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DOI：
10.1111/j.1365-2842.2007.01728.x
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发表时间：
2007-11-01
影响因子：
2.9
通讯作者：
Kobayashi, K.
中科院分区：
文献类型：
--
作者：
Kimoto, S.;Kimoto, K.;Kobayashi, K.
本研究的目的是探讨弹性义齿衬垫是否有可能减少义齿初次安装后第一次调整期间影响牙槽嵴粘膜的问题。干预措施为下颌骨永久性丙烯酸弹性义齿内衬义齿（RLD）和常规热活化丙烯酸树脂义齿（ARD）全口义齿治疗。上颌义齿采用传统的热激活ARD制作。74名受试者在获得书面知情同意后，采用分层法随机分组的方式随机分为RLD组和ARD组。2004年4月至2006年7月在两个医院中心进行了一项随机对照平行临床试验。采用100 mm视觉模拟量表（Visual analogue Scale）综合评价三个结果(1)疼痛点数，(2)假牙佩戴时间，(3)疼痛感。RLD组下颌支撑区及边缘区溃疡点数明显少于ARD组（P < 0.05）。RLD组假牙佩戴时间比ARD组多1天（P < 0.05）。RLD组上颌、下颌疼痛评分明显低于ARD组（P < 0.05）。与传统义齿治疗相比，弹性义齿衬垫在下颌全口义齿上的应用使无牙患者在义齿初次安装后的第一次调整过程中影响牙槽的问题更少。
The purpose of this study was to investigate whether resilient denture liners has the potential to decrease problems affecting the alveolar ridge mucosa during the first adjustment session following the initial fitting of the denture. Interventions were complete denture treatment with permanent acrylic resilient denture liner dentures (RLD) in mandibles and conventional heat-activated acrylic resin dentures (ARD) in mandibles. Maxillary dentures were fabricated with conventional heat-activated ARD. Seventy-four subjects were randomly allocated to the RLD and ARD groups by random permuted blocks within the strata method after obtaining written informed consent. A randomized controlled parallel clinical trial with two hospital centres was conducted from April 2004 to July 2006. The problems were comprehensively evaluated by three outcomes with subjective and objective factors as follows: (i) numbers of sore spots, (ii) duration of wearing dentures and (iii) pain perception with 100 mm Visual Analog Scale. The numbers of sore spots in the mandibular support and border areas for the RLD group were significantly less than those for the ARD groups (P < 0.05). The RLD wearers were able to wear their dentures an additional day longer than the ARD wearers (P < 0.05). The maxillary and mandibular pain ratings for the RLD group were significantly lower than those for the ARD group (P < 0.05). Application of resilient denture liners to mandibular complete dentures provided edentulous patients with fewer problems affecting the alveolar during the first adjustment session following the initial fitting of the denture when compared with conventional denture treatments.