我嘴里的气味很重。我需要清除牙结石吗？
目的：观察牙结石附着面和游离面晶体构型的差异。
Objective: To observe the crystal character of the attached end and free end of dental calculus.
用磁场影响牙结石重新附着可降低缘龈炎的复发率。
The recurrent rate of the marginal gingivitis can be decreased in a magnetic field that interferes with adhesive force of the dental tophus.
现在还不需要，但你的确需要清除牙结石和深部洗牙。
油可以溶解牙齿上的牙菌斑和牙结石，让牙齿变得又白又健康。
The oil attracts and removes bacteria and dissolve plaque and tartar, resulting in the teeth becoming healthier and whiter.
其它因素包括牙结石的清除、成本、可靠度及不良反应也纳入评估。
Other factors to be assessed were calculus and stain removal, cost, dependability and adverse effects.
目的通过牙结石的体外溶解及再沉积模拟牙结石的形成过程，以探讨牙结石的形成机制。
Objective to simulate the formation of dental calculus by studying the resolution and re-deposition of dental calculus in vitro and to explore the mechanism of dental calculus formation.
牙龈晦暗，不是牙结石太多，炎症较重，就是有血液系统疾病或者其它系统性疾病，也是需要注意的。
Dark gums, teeth are not too severe inflammation, that is, there is blood diseases or other systemic disease, is also required attention.
牙龈晦暗，不是牙结石太多，炎症较重，就是有血液系统疾病或者其它系统性疾病，也是需要注意的。
Dark gums, teeth are not too severe inflammation, there is blood diseases or other systemic diseases, but also need to pay attention.
牌匾需要通过日常的口腔护理，其中包括日常刷牙和使用牙线或斑块会成为牙结石硬化（或演算删除）。
Plaque needs to be removed through a daily oral care routine which includes brushing and flossing or the plaque will harden into tartar (or calculus).
牙结石—如果菌斑呆的时间足够长，它就开始矿化变硬形成牙石或牙垢，因为菌斑从唾液中吸收了钙，磷和其他矿物质。
Calculus - If left alone long enough, plaque begins to mineralize and harden into calculus or tartar because the plaque absorbs calcium, phosphorus and other minerals from saliva.
本产品是由资质的口腔科医生在口腔科治疗过程中对患者的牙体表面所粘着的牙垢，牙结石，着色去除时所使用的设备。
This air scaler is intended to remove dental plaque, calculus and stain from tooth surface and tooth root by dental professionals only.
针对三种不同病因所引发的牙龈出血原因，可以通过治疗牙周疾病，去除牙结石以及及时补上龋洞的方式，治疗牙龈出血问题。
For three different causes of bleeding gums caused by reasons, can treat periodontal disease, removal of tartar and cavities on the way up in time, treatment, bleeding gums problems.
至于牙结石刮除-牙根整平术和社区照顾，可否减低慢性牙周炎患者心血管疾病复发的风险，则没有足够证据 （RR 0.72；
There was insufficient evidence to determine the effect of SRP and community care in reducing the risk of CVD recurrence in patients with chronic periodontitis (risk ratio (RR) 0.72;
至于牙结石刮除-牙根整平术和社区照顾，可否减低慢性牙周炎患者心血管疾病复发的风险，则没有足够证据 （RR 0.72；
There was insufficient evidence to determine the effect of SRP and community care in reducing the risk of CVD recurrence in patients with chronic periodontitis (risk ratio (RR) 0.72;
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