inflammation on the root-end of a tooth periapical parodontitis
Conditions
Interventions
In the first group the surgeon and assistant are using a microscope for
assisting in the operation. In the second group the surgeon and assistant are
not using a microscope during treatment.
Sponsors
Academisch Medisch Centrum
Eligibility
Age
18 Years to 99 Years
Inclusion criteria
Inclusion criteria: peri-apical lesion on one of the teeth, confirmed on radiograph previous endodontic treatment was more than 6 months earlier
Exclusion criteria
Exclusion criteria: Root fracture Periodontal origin of apical infection or absence of marginal buccal bone after flap elevation. Root perforation. No previous endodontic treatment. Previous endodontic surgery
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Assessment of the therapy is carried out blinded from whether a microscope was used or not and is recorded on a screening formulary with the patients number. The radiological criteria as described by Rud et al in 1972 (Rud, Andreasen, & Jensen, 1972) are used for success: - The lamina dura around the apex of the tooth is visible and all roots are investigated separately. - The periodontal space around the apex is | — |
Countries
Netherlands
Outcome results
None listed