So usually there will be things called protective factors, meaning higher income, higher education level, you're employed, you have health insurance.

通常会有所谓的保护因素，但这意味着更高的收入，更高的教育水平，你有工作，你有医疗保险。

It's weakened of its protective factors.

它的保护因素被削弱了。

Again congresswoman Underwood: so usually there will be things called protective factors, meaning higher income, higher education level, you're employed, you have health insurance.

通常会有所谓的保护因素，但这意味着更高的收入，更高的教育水平，你有工作，你有医疗保险。

A well-known risk factor for ovarian cancers is the cumulative amount of time a woman spends in ovulation, with protective factors being pregnancy, breastfeeding, and oral contraceptive use.

人们熟知的一个卵巢癌的风险因素是女性排卵周期的累计时间变长，保护因素包括怀孕、母乳喂养与使用口服避孕药。

So, when it comes to dental caries, there's a tug-of-war between the pathogenic factors that promote demineralization of the tooth and protective factors that promote remineralization of the tooth.

所以龋齿的形成过程中，加快牙齿软化的致病因素与加快牙齿再矿化的保护因素，像是在进行一场拔河比赛。

So, treatment of dental caries disease depends on the level of risk, more specifically, reducing the pathogenic risk factors like antibacterial rinses to get rid of bacteria and increasing protective factors like products that mimic saliva.

所以龋齿的治疗是由风险的高低决定的，包括减少致病因子，例如用抗菌剂冲洗以去除细菌，增加防护因子，例如使用唾液类似物。