Löfgren Christina Diogo, Isberg Per-Erik, Christersson Cecilia
Department of Dental Technology and Dental Material Science, Faculty of Odontology, Malmö University, Malmö, Sweden.
Oral Health Prev Dent. 2010;8(3):243-52.
The aim of the present study was to assess the occurrence of reported subjective oral dryness in relation to objective sialometric values in a randomly selected group and a dental care-seeking group.
A questionnaire assessing subjective oral dryness was sent out to a randomly selected sample of 200 individuals. The dental care-seeking group was recruited from among patients attending the Department of Oral Diagnostics, Malmö University. A total of 200 patients were asked to participate in the present study. In total, 312 individuals (78%) completed the survey and 157 individuals agreed to participate in the complementary clinical examination that included measures of salivary flow rate.
The reported subjective oral dryness was 20% and 28.6% for the randomly selected group and the dental care-seeking group, respectively. No statistically significant differences were found between the two study populations with regard to percentage of reported subjective oral dryness, and stimulated and unstimulated salivary flow rates (P > 0.05). In the dental care-seeking group, individuals reporting subjective oral dryness presented 'a small degree of abrasion in the dentine in the incisor region' to a greater extent (P < 0.05). No statistically significant association between subjective oral dryness and unstimulated and stimulated salivary flow rates was found in either of the studied populations (P > 0.05). Individuals identified with subjective or objective oral dryness presented to a greater extent a history of oral rehabilitation compared to individuals who showed no indication of oral dryness.
No association between sialometric measures and subjective report of oral dryness was found in the present study.
本研究旨在评估在随机选择的一组人群和寻求牙科护理的人群中，报告的主观口腔干燥情况与客观唾液测量值之间的关系。
向随机抽取的200名个体发放了一份评估主观口腔干燥情况的问卷。寻求牙科护理的人群是从马尔默大学口腔诊断科就诊的患者中招募的。共有200名患者被邀请参与本研究。总共有312名个体（78%）完成了调查，157名个体同意参与包括唾液流速测量在内的补充临床检查。
随机选择组和寻求牙科护理组报告的主观口腔干燥率分别为20%和28.6%。在报告的主观口腔干燥百分比、刺激和未刺激唾液流速方面，两个研究人群之间未发现统计学上的显著差异（P>0.05）。在寻求牙科护理的人群中，报告主观口腔干燥的个体在更大程度上表现出“切牙区牙本质有轻度磨损”（P<0.05）。在任何一个研究人群中，均未发现主观口腔干燥与未刺激和刺激唾液流速之间存在统计学上的显著关联（P>0.05）。与未表现出口腔干燥迹象的个体相比，被确定有主观或客观口腔干燥的个体在更大程度上有口腔修复史。
在本研究中，未发现唾液测量指标与口腔干燥主观报告之间存在关联。
