Results 81 to 90 of about 328,298 (122)

Prediction model of dental caries in 12-year-old children in Sichuan Province based on machine learning. [PDF]

open access: yesHua Xi Kou Qiang Yi Xue Za Zhi, 2023
Yan X, Sun T, Lu Y, Tan X, Wang Z, Li M.
europepmc   +1 more source

[Report on oral health literacy of children and adolescents in Nagqu, Xizang]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Shan Z   +7 more
europepmc   +1 more source

[Clinical exploration and practice of a 16-step new model of comfortable supragingival scaling]. [PDF]

open access: yesHua Xi Kou Qiang Yi Xue Za Zhi
Chen Y   +6 more
europepmc   +1 more source

[Oral Health Status of Obese Children andIntervention Strategies]. [PDF]

open access: yesSichuan Da Xue Xue Bao Yi Xue Ban
Cheng R, Lei L, Zhang R, Cai H, Hu T.
europepmc   +1 more source

北方土石山区冻融与水力复合作用对土壤侵蚀的影响

open access: yesShuitu Baochi Xuebao
[目的] 揭示冻融与水力作用在不同条件下对北方土石山区土壤侵蚀的影响。[方法] 以北京市鹫峰地区土壤为研究对象,采用室内径流冲刷及冻融设备进行模拟试验,探讨在冻融与水力作用下冻融循环次数、坡度、流量、土壤初始含水率和冻融温差这5个影响因素对土壤产沙量与抗冲性的影响。[结果] (1)土壤抗冲系数对各因素敏感程度大小为坡度>流量>冻融温差>冻融循环次数>初始含水率,其中坡度与流量对其具有显著影响(p 坡度>冻融温差>土壤含水率>冻融循环次数,其中流量对其具有极显著影响(p
杨浩宇, 马岚, 陈仕媛
doaj  

[Efficacy and cost analysis of two fluoride varnishes in community-based interventions for early childhood caries]. [PDF]

open access: yesHua Xi Kou Qiang Yi Xue Za Zhi
Yang C   +7 more
europepmc   +1 more source

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