出牙不良

Is to be noted that rickets, cretinism, malnutrition, such as the teeth can cause delays, poor quality teeth.

需要注意的是，佝偻病、克汀病、营养不良等都可引起出牙延迟，牙质欠佳。

Extreme malnutrition, cretinism, congenital syphilis is a late lead to the causes of deciduous teeth.

极度营养不良、呆小病、先天性梅毒也是导致乳牙晚出的原因。

Extreme malnutrition, cretinism, congenital syphilis is a late lead to deciduous reasons.

极度营养不良、呆小病、先天性梅毒也是导致乳牙晚出的原因。

Congenital element, because be born before, of pregnant woman hidebound, systemic sex disease, certain and familial genetic element (if the tooth is mixed,the character of jaw bone and size often affect a tooth, cause dental amlposition or jackknife to wait); Acquired element, basically be undesirable habit (consistent side sex is masticatory, buccal breath, make force of parity of tongue, lip, buccal share is destroyed, those who cause jaw growth is not not well-balanced, harmonious) with all sorts of tooth disease.

先天因素，由于出生前，孕妇的营养不良，全身性疾病，某些家族的遗传因素（如牙齿和颌骨的性状和大小常常影响牙位，造成牙齿错位或重叠等）；后天因素，主要是不良习惯（如一侧性咀嚼，口呼吸等，使舌、唇、颊部分均势力量受到破坏，导致面颌发育的不匀称、不协调）和各种牙病。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。