牙髓炎是怎么得的？

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• like your driveway, if u dont seal it properly, it will crack. -acac- ♂ (0 bytes) () 05/29/2013 postreply 17:23:33

• Seal it? -星星- ♀ (0 bytes) () 05/29/2013 postreply 17:56:35

• How do u need to seal your teeth properly? -星星- ♀ (0 bytes) () 05/29/2013 postreply 17:58:14

• 不刷牙或刷牙不够，和所有炎症一样，细菌繁殖，导致炎症。 -晓雨1- ♀ (0 bytes) () 05/29/2013 postreply 20:01:00

• inflammation inside the tooth: treatment: -Tianyazi- ♂ (166 bytes) () 05/29/2013 postreply 20:58:10