Caries
Conditions
Interventions
laser group:irradiate the exposed pulp with laser
control group:deal with the exposed pulp with NaClO
Sponsors
Stomatological Hospital of Peking University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Subjects with age >= 18 years and no systemic diseases; 2. Patients with deep caries of molars; 3. Preoperative examination: no pulp holes, no percussion pain, no loosening, no swelling of gingiva, PD <= 3mm; Pulp temperature test showed that pulp activity was normal or transient sensitive; X-ray showed that the depth of caries was not less than 2 / 3 of the thickness of dentin, the periapical membrane was clear and continuous or only slightly widened, no periapical lesions, no internal and external root absorption, no root fracture, and no obvious calcification in pulp cavity. 4. Intraoperative: when decaying or preparing teeth, the pulp is exposed, the diameter of the pulp hole is <= 2mm, and the bleeding can be stopped within 5min.
Exclusion criteria
Exclusion criteria: 1. The root tip development of the affected teeth is not complete; 2. Patients with large tooth tissue defects who need to be repaired by post core crown.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| pulp test;symptom;radiographic analysis; | — |
Countries
China
Contacts
Public ContactSiyi Liu
Stomatological Hospital of Peking University
Outcome results
None listed