pulpitis and apical periodontitis
Conditions
Interventions
group 1:Pulpitis: Intra-canal cryotherapy (0°C saline for final irrigation)
group 2:Pulpitis: Intra-canal cryotherapy (2.5°C saline for final irrigation)
group 3:control group: Intra-canal cryotherapy (25°C saline for final irrigation)
group 4:Apical periodontitis: Intra-canal cryotherapy (0°C saline for final irrigation)
group 5:Apical periodontitis: Intra-canal cryotherapy (2.5°C saline for final irrigation)
group 6:Apical periodontitis: Intra-canal cryotherapy (25°C saline for final irrigation)
Sponsors
Guo Jihua
Eligibility
Sex/Gender
All
Age
18 Years to 50 Years
Inclusion criteria
Inclusion criteria: 1. No systemic diseases and allergic reactions; 2. Aged 18-50 years, gender is not limited; 3. Inform the research purpose and design before surgery, and sign the informed consent; 4. Root canal treatment is required for pulpitis and apical periodontitis diagnosed by clinical and imaging examinations; 5. The apical foramen is closed; 6. Preoperative Visual Analog Scale (VAS) (0-10 points, clinical evaluation with "0" as "no pain at all", "1-3" as "slight pain", "4-6" as "moderate pain", "7-9" is divided into "severe pain", and "10" means "most unbearable pain"). Patients were evaluated for preoperative pain according to the intensity of pain, and those with scores above 6 were included in the study.
Exclusion criteria
Exclusion criteria: 1. Use of any type of pain reliever or antibiotic medication within 3 days; 2. Root canal therapy has been performed; 3. Severe periodontal disease, there is a periodontal pocket > 3 mm in the affected tooth; 4. Anatomical abnormalities such as excessively curved roots, too long or too short root lengths, problems in determining working length. Root canal calcification, etc.; 5. Patients with unclosed apical foramen or with root resorption; 6. Patients who refused to participate in the study or had incomplete information on the pre-study form.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| visual analogue scale; | — |
Secondary
| Measure | Time frame |
|---|---|
| Use of painkillers after root canal theratment;The incidence of postoperative endodontic pain; | — |
Countries
China
Contacts
Public ContactGuo Jihua
School of Stomatology, Wuhan University
Outcome results
None listed