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Abstract：
BACKGROUND: Dental caries (decay or cavities) is the breakdown of teeth as a result of bacteria. Dental caries is one of the most preventable oral health problems and the most common chronic disease in primary school children. Poor dental and oral health affects the quality of children\'s lives.
OBJECTIVE: The study aimed to synthesize the existing literature on the prevalence and associated factors of dental caries among primary school children in Ethiopia in 2024.
METHODS: Studies were searched through the search engines of Google Scholar, PubMed, Scopus, MEDLINE, and the Cochrane Library. Searching was made using keywords and MeSH terms for dental caries, dental plaque, primary school children, and Ethiopia. Heterogeneity was assessed using the Cochran Q test and I2 statistics. A random-effects model with a 95% confidence interval was used for prevalence and odds ratio estimations.
RESULTS: The result of seven studies disclosed that the overall prevalence of dental caries in primary school children in Ethiopia was 35% (26-45%). high intake of sweets (OR = 2.71,95%CI:1.968-3.451), a poor habit of tooth cleaning (OR = 2.46; 95% CI: 2.761-5.045), Grade level 1-4(OR = 2.46; 95% CI: 1.523-3.397), having a history of toothache(OR = 2.99; 95% CI: 2.679-3.314), absence of toothpaste use(OR = 1.42; 95% CI: -1.278-4.109), reduction of the previous year\'s academic score(OR = 5.51; 95% CI: 1.952-9.066), had a significant microbial load(OR = 3.82, CI: 3.439-4.192) and have acid bacillary pH on their teeth(OR = 2.42, CI: 1.494-3.335) were independent variables associated with dental carries among primary school children.
CONCLUSIONS: The overall prevalence of dental caries among primary school children in Ethiopia is 35%, ranging from 26 to 45%. However, variations in prevalence rates are observed based on sampling techniques. Studies using simple random sampling report a higher prevalence rate of 42%, while those employing multi-stage random sampling and systematic random sampling show lower rates of 30% and 35%, respectively. This indicates that the choice of sampling technique can impact reported prevalence rates, with simple random sampling yielding higher estimates compared to other methods.
OBJECTIVE: The study aimed to synthesize the existing literature on the prevalence and associated factors of dental caries among primary school children in Ethiopia in 2024.
METHODS: Studies were searched through the search engines of Google Scholar, PubMed, Scopus, MEDLINE, and the Cochrane Library. Searching was made using keywords and MeSH terms for dental caries, dental plaque, primary school children, and Ethiopia. Heterogeneity was assessed using the Cochran Q test and I2 statistics. A random-effects model with a 95% confidence interval was used for prevalence and odds ratio estimations.
RESULTS: The result of seven studies disclosed that the overall prevalence of dental caries in primary school children in Ethiopia was 35% (26-45%). high intake of sweets (OR = 2.71,95%CI:1.968-3.451), a poor habit of tooth cleaning (OR = 2.46; 95% CI: 2.761-5.045), Grade level 1-4(OR = 2.46; 95% CI: 1.523-3.397), having a history of toothache(OR = 2.99; 95% CI: 2.679-3.314), absence of toothpaste use(OR = 1.42; 95% CI: -1.278-4.109), reduction of the previous year\'s academic score(OR = 5.51; 95% CI: 1.952-9.066), had a significant microbial load(OR = 3.82, CI: 3.439-4.192) and have acid bacillary pH on their teeth(OR = 2.42, CI: 1.494-3.335) were independent variables associated with dental carries among primary school children.
CONCLUSIONS: The overall prevalence of dental caries among primary school children in Ethiopia is 35%, ranging from 26 to 45%. However, variations in prevalence rates are observed based on sampling techniques. Studies using simple random sampling report a higher prevalence rate of 42%, while those employing multi-stage random sampling and systematic random sampling show lower rates of 30% and 35%, respectively. This indicates that the choice of sampling technique can impact reported prevalence rates, with simple random sampling yielding higher estimates compared to other methods.
摘要：
背景：龋齿（腐烂或龋齿）是细菌导致的牙齿破裂。龋齿是最可预防的口腔健康问题之一，也是小学生最常见的慢性疾病。不良的牙齿和口腔健康会影响儿童的生活质量。
目的：本研究旨在综合埃塞俄比亚2024年小学生龋齿患病率及相关因素的现有文献。
方法：通过GoogleScholar的搜索引擎搜索研究，PubMed,Scopus,MEDLINE,还有Cochrane图书馆.使用关键字和MeSH术语搜索龋齿，牙菌斑,小学生,埃塞俄比亚。使用CochranQ检验和I2统计量评估异质性。使用具有95％置信区间的随机效应模型进行患病率和比值比估计。
结果：七项研究的结果显示，埃塞俄比亚小学生龋齿的总体患病率为35％（26-45％）。甜食摄入量高（OR=2.71,95CI：1.968-3.451），不良的牙齿清洁习惯（OR=2.46；95％CI：2.761-5.045），1-4级（OR=2.46；95%CI：1.523-3.397），有牙痛病史（OR=2.99；95%CI：2.679-3.314），不使用牙膏（OR=1.42；95%CI：-1.278-4.109），降低了上一年的学业成绩（OR=5.51；95%CI：1.952-9.066），具有显着的微生物负荷（OR=3.82，CI：3.439-4.192）和牙齿上的酸性杆菌pH值（OR=2.42，CI：1.494-3.335）是与小学儿童牙科相关的独立变量。
结论：埃塞俄比亚小学生龋齿的总体患病率为35％，从26%到45%不等。然而,根据抽样技术观察到患病率的变化。使用简单随机抽样的研究报告了42%的较高患病率，而采用多阶段随机抽样和系统随机抽样的比率较低，分别为30%和35%，分别。这表明抽样技术的选择会影响报告的患病率，与其他方法相比，简单随机抽样可产生更高的估计值。
目的：本研究旨在综合埃塞俄比亚2024年小学生龋齿患病率及相关因素的现有文献。
方法：通过GoogleScholar的搜索引擎搜索研究，PubMed,Scopus,MEDLINE,还有Cochrane图书馆.使用关键字和MeSH术语搜索龋齿，牙菌斑,小学生,埃塞俄比亚。使用CochranQ检验和I2统计量评估异质性。使用具有95％置信区间的随机效应模型进行患病率和比值比估计。
结果：七项研究的结果显示，埃塞俄比亚小学生龋齿的总体患病率为35％（26-45％）。甜食摄入量高（OR=2.71,95CI：1.968-3.451），不良的牙齿清洁习惯（OR=2.46；95％CI：2.761-5.045），1-4级（OR=2.46；95%CI：1.523-3.397），有牙痛病史（OR=2.99；95%CI：2.679-3.314），不使用牙膏（OR=1.42；95%CI：-1.278-4.109），降低了上一年的学业成绩（OR=5.51；95%CI：1.952-9.066），具有显着的微生物负荷（OR=3.82，CI：3.439-4.192）和牙齿上的酸性杆菌pH值（OR=2.42，CI：1.494-3.335）是与小学儿童牙科相关的独立变量。
结论：埃塞俄比亚小学生龋齿的总体患病率为35％，从26%到45%不等。然而,根据抽样技术观察到患病率的变化。使用简单随机抽样的研究报告了42%的较高患病率，而采用多阶段随机抽样和系统随机抽样的比率较低，分别为30%和35%，分别。这表明抽样技术的选择会影响报告的患病率，与其他方法相比，简单随机抽样可产生更高的估计值。
