Department of Dentistry for Children, Pediatric Dentistry Area, Piracicaba Dental School, University of Campinas, Piracicaba/SP, Brazil.
Arch Oral Biol. 2013 Sep;58(9):1070-7. doi: 10.1016/j.archoralbio.2013.01.012. Epub 2013 Feb 28.
To evaluate the association between oral conditions, masticatory performance (MP) and oral health-related quality of life (OHRQoL) in 8-12 year-old children.
150 Brazilian scholars were examined for caries and malocclusions. MP was evaluated based on the ability to comminute an artificial test food followed by the determination of the median particle size (X50) and particle distribution in different-sized sieves ("b"). OHRQoL was measured using the Brazilian versions 8-10 and 11-14 of the child perceptions questionnaire (CPQ), considering the following domains: oral symptoms (OS), functional limitations (FL), emotional well-being (EW) and social well-being (SW). Higher scores indicated worse OHRQoL. Data were submitted to Spearman's correlation test and multiple linear regression analysis.
There were significant positive correlations between the psychosocial and OS domains scores of the CPQ8-10 and the number of decayed and missing teeth, respectively. The number of decayed teeth positively correlated with the number of missing teeth and the CPQ11-14 scores. The number of decayed and missing teeth was significantly associated with higher CPQ8-10 scores. Higher CPQ11-14 overall scores were associated with female gender, higher FL domain scores were associated with the number of missing teeth, and higher X50 values and EW domain scores were associated with female gender and the number of decayed teeth.
A higher number of missing teeth correlated with an inferior MP in older children. Children with a higher number of caries rated their oral health less favourably. Older females and those who broke the test material into smaller sizes were also more likely to report a worse OHRQoL, suggesting that the time allowed to reduce food appears to be a more influential factor on children' perception of oral health than their ability to break down the test material into smaller sizes. Moreover, the subjectivity of functional domain and artificial nature of chewable test material could have influenced the test sensitivity.
评估 8-12 岁儿童的口腔状况、咀嚼性能（MP）和口腔健康相关生活质量（OHRQoL）之间的关系。
对 150 名巴西学者进行了龋齿和错畸形检查。MP 是通过评估粉碎人工测试食物的能力来评估的，然后确定中值粒径（X50）和不同尺寸筛子中的粒径分布（“b”）。OHRQoL 使用巴西版儿童感知问卷（CPQ）的 8-10 岁和 11-14 岁版本进行测量，考虑以下领域：口腔症状（OS）、功能障碍（FL）、情绪健康（EW）和社会福祉（SW）。较高的分数表示 OHRQoL 较差。数据提交给 Spearman 相关检验和多元线性回归分析。
CPQ8-10 的心理社会和 OS 领域评分与龋齿和失牙数呈显著正相关。龋齿数与失牙数和 CPQ11-14 评分呈正相关。龋齿和失牙数与 CPQ8-10 评分较高显著相关。CPQ11-14 的总体评分较高与女性性别相关，FL 领域评分较高与失牙数相关，X50 值较高和 EW 领域评分较高与女性性别和龋齿数相关。
失牙数较多的儿童 MP 较差。龋齿数量较高的儿童对口腔健康的评价较差。年龄较大的女性和将测试材料粉碎成较小尺寸的儿童也更有可能报告较差的 OHRQoL，这表明允许减少食物的时间似乎对儿童对口腔健康的感知的影响因素大于他们将测试材料分解成较小尺寸的能力。此外，功能域的主观性和可咀嚼测试材料的人工性质可能会影响测试的敏感性。
