There are a lot of causes that lead to pulp exposure , but the most common reasons are dental caries and mechanical injury.

引起牙髓暴露的原因较多，但最常见的病因是龋病因素和机械性损伤。 如果是制备洞形过程中的意外穿髓，人们往往选择盖髓治疗。

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There are a lot of causes that lead to pulp exposure , but the most common reasons are dental caries and mechanical injury.

引起牙髓暴露的原因较多，但最常见的病因是龋病因素和机械性损伤。 如果是制备洞形过程中的意外穿髓，人们往往选择盖髓治疗。

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