牙科教育、营养及口腔卫生习惯对龋失补牙数（DMFT）和社区牙周指数记分（CPITN）的影响：一项比较性横断面研究
Influence of dental education, nutrition, and oral hygiene practices on DMFT and CPITN scores: a comparative cross-sectional study.
作者信息
Karadağ Gökhan, Hançerlioğulları Dilek, Haberal Merve, Nalbant Akif
机构信息
Department of Restorative Dentistry, Faculty of Dentistry, Kırıkkale University, Kırıkkale, Turkey.
Department of Endodontics, Faculty of Dentistry, Kırıkkale University, Kırıkkale, Turkey.
出版信息
BMC Oral Health. 2025 Jul 2;25(1):1070. doi: 10.1186/s12903-025-06476-3.
BACKGROUND
This study aimed to evaluate the DMFT (Decayed, Missing, and Filled Teeth) and CPITN (Community Periodontal Index of Treatment Needs) scores, nutritional habits, and oral hygiene behaviors of first-year (Class-1) and fifth-year (Class-5) dental students at Kırıkkale University Faculty of Dentistry, and to compare these metrics with age-matched general population patients.
METHODS
In this cross-sectional study, DMFT and CPITN scores were recorded for three distinct groups: Class 1 and Class 5 dental students, and a randomly selected group of age-matched patients from the general population who applied to our clinic. The effects of individual social and behavioural characteristics on these indexes were examined. Kruskal-Wallis H test was used for comparisons between groups. Chi-Square analysis was used in the evaluation of categorical data. A significance level of 0.05 was used.
RESULTS
There was no statistically significant difference between the groups in terms for gender (p = 0.331), number of snacks (p = 0.406), tooth brushing (p = 0.069), toothbrush type (p = 0.244) and mouthwash use (p = 0.562). However, the Class-5 group showed a significant difference from the other groups with the highest number of "yes" answers in the question of visit to the dentist for a check-up (82%, p < 0.001) and the question of flossing (61%, p < 0.001). There was no statistically significant difference in overall DMFT (p = 0.053) or CPITN (p = 0.329) scores between the groups. However, when the subcomponents of the DMFT index were evaluated separately, the Class-5 group had the statistically significantly lowest mean decayed teeth (D) compared to the other two groups (p < 0.001), and the statistically significantly highest mean filled teeth (F) score compared to the other two groups (p < 0.001).
CONCLUSION
Oral health behaviors and outcomes are influenced by dental education level.
背景
本研究旨在评估基尔卡莱大学牙科学院一年级（1 班）和五年级（5 班）牙科学生的龋失补牙指数（DMFT）和社区牙周治疗需求指数（CPITN）得分、营养习惯及口腔卫生行为，并将这些指标与年龄匹配的普通人群患者进行比较。
方法
在这项横断面研究中，记录了三个不同组别的 DMFT 和 CPITN 得分：1 班和 5 班牙科学生，以及从前来我们诊所就诊的普通人群中随机选取的年龄匹配患者组。研究了个体社会和行为特征对这些指标的影响。采用 Kruskal-Wallis H 检验进行组间比较。使用卡方分析评估分类数据。显著性水平设定为 0.05。
结果
在性别（p = 0.331）、吃零食次数（p = 0.406）、刷牙情况（p = 0.069）、牙刷类型（p = 0.244）和使用漱口水情况（p = 0.562）方面，各组之间无统计学显著差异。然而，5 班学生组在看牙医检查问题（82%，p < 0.001）和使用牙线问题（61%，p < 0.001）上“是”的回答数量最多，与其他组存在显著差异。各组之间的总体 DMFT（p = 0.053）或 CPITN（p = 0.329）得分无统计学显著差异。然而，当分别评估 DMFT 指数的子成分时，与其他两组相比，5 班学生组的平均龋坏牙数（D）在统计学上显著最低（p < 0.001），平均补牙数（F）得分在统计学上显著最高（p < 0.001）。
结论
口腔健康行为和结果受牙科教育水平影响。
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