Purpose: To present the frequency of periapical healing in first, second and third mandibular molar after root-end resections sealed with dentine-bonded resin composite.
N= 726 mandibular molars (n= 520)
Materials and methods:
•The sample was collected from the authors private clinic from 1984 to 1997.
•Molars with periradicular periodontitis referred for surgery.
•After root-end resection was done, Gluma ( desensitizing agent ) applied for 20 sec then dried with air
•Root-end was covered with Retroplast ( specially designed two-component autopolymerizing composite resin )
• Follow up period was minimally 1 year.
•Classification of healing:
•Compete healing: Reformation of PDL space and the apical bone cavity filled-in with bone.
•Uncertain healing: Decrease radiolucency but without compact bone boarder or lamina dura ( less than 4 years )
•Failure: Unchanged or enlarged PA lesion.
Most highlighted results:
•Success rate of root-end seal with resin composite was 92%
•There was no significant difference between first, second, and third molar roots.
The use of dentin-bonded resin in root-end sealing is a promising technique and should be considered as a material of choice.