How often should the medication be changed during root canal treatment?
May 13, 2023
Source: Cainiu Health
Dr. Zhang Liwen
Introduction
Root canal treatment is a procedure used when a tooth has suffered deep decay or pulp disease. It involves removing the necrotic tissue inside the tooth and filling the root canal to preserve the tooth and restore its normal function. Generally, the frequency of medication changes during root canal treatment depends on the stage of treatment: in the initial phase, medication is typically changed every 3 to 7 days, while in the intermediate phase, it is usually changed every 1 to 2 weeks.
Root canal treatment is a dental procedure used when a tooth has suffered deep decay or pulp disease. It involves removing the necrotic tissue inside the tooth and filling the root canal to preserve the natural tooth and restore its normal function. Generally, the frequency of medication changes during root canal treatment depends on the stage of treatment: during the initial phase, medication is typically changed every 3–7 days; during the middle and later phases, it is usually changed every 1–2 weeks. Specific details are as follows:
1. Initial Phase
The initial phase of root canal treatment refers to the stage following crown exposure, involving cleaning and shaping the root canal. Medications used at this stage are primarily designed to disinfect the root canal and eliminate bacteria within the dental pulp. Depending on the patient’s specific condition and progress in treatment, the timing for changing medication may vary. Generally, medication is replaced every 3–7 days.
2. Middle Phase
The middle phase occurs before filling the root canal and involves deep cleaning and disinfection. During this stage, stronger concentration disinfectants—such as 4% sodium hypochlorite solution—are used to eradicate bacteria within the root canal and clean the canal walls. The frequency of medication changes is determined based on the individual patient's condition and treatment progress, typically occurring every 1–2 weeks.
3. Later Phase
The later phase begins after the root canal has been filled. The filling material, usually a resin, is used to fill the root canal space and seal the tooth. At this stage, medications are applied mainly to eliminate any remaining bacteria in the root canal, preventing reinfection and recurrence of pulp inflammation. The timing for medication changes varies according to the patient's condition and treatment progress but is generally every 1–2 weeks.
It should be noted that root canal treatment plans must be customized according to each patient’s specific circumstances. Since treatment duration and protocols can differ significantly from person to person, patients are advised to visit qualified medical institutions and receive treatment from experienced dental professionals.
