Introduction
Materials and methods
Group | Procedure and allocated material | |
---|---|---|
Experimental
| Group 1 | Modified coronal pulpotomy procedure pulp dressed in Biodentine |
Group 2 | Modified coronal pulpotomy procedure pulp dressed in MTA | |
Group 3 | Modified coronal pulpotomy procedure pulp dressed in ProRoot MTA | |
Positive control
| Group 4 | modified coronal pulpotomy pulp without dressing material. |
Negative control
| Group 5 | no intervention |
Sample preparation
Bioceramics dressing material preparation
Material | Manufacturer | Composition | Batch number |
---|---|---|---|
Biodentine
| Septodont, Saint-Maur-des-Fossés Cedex, France | Powder: Tricalcium silicate, Zirconium oxide, Calcium oxide, Calcium carbonate and Colorings. An aqueous solution is composed of calcium chloride and polycarboxylate. | B28202 |
MTA
| Angelus Indústria de Produtos Odontológicos S/A, Brazil | Powder: Dicalcium silicate, Tricalcium silicate, Tricalcium aluminate, Calcium tungstate Calcium oxide. Liquid: Distilled water. | 60,216 |
ProRoot MTA
| Dentsply Tulsa Dental, Tulsa, OK, USA | Powder: Dicalcium silicate, Tricalcium silicate, Bismuth oxide, Tricalcium aluminate and Gypsum. Liquid: Distilled water. | 0000304442 |
Bacterial leakage model construction
Bacterial leakage test
Scanning electron microscope (SEM) for marginal adaptation
Results
Bacterial leakage test
Material | Estimate (day) | Standard error | Mean (95% CI) days | Log Rank (df) | p-value | |
---|---|---|---|---|---|---|
Lower bound (Min.) days | Upper bound (Max.) days | |||||
Biodentine
| 11.600 | 0.804 | 10.023 | 13.177 | 10.551(2) | 0.005 |
MTA Angelus
| 17.667 | 1.413 | 14.897 | 20.436 | ||
ProRoot MTA
| 20.867 | 1.529 | 17.888 | 23.846 | ||
Overall
| 17.911 | 1.062 | 15.829 |
Evaluation of marginal adaptation
Bioceramics sources | Marginal adaptation Mean [23] | F (df) | Sig. |
---|---|---|---|
Biodentine
| 16.9 (6.13) | 12.295 (2,6) | 0.008 |
ProRoot MTA
| 1.17 (2.03) | ||
MTA Angelus
| 10.9 (2.08) |