患儿,5岁,上颌前牙冷热痛1周,无自发痛及夜间痛史。查近中舌面中龋,探敏感,叩痛(一),无穿髓点。充填治疗宜选用的材料是( )。
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
免费的网站请分享给朋友吧