Abstract
BackgroundThe aim of this study was to evaluate the relationship between Endodontic Access Cavity (EAC) types with MB2 canal detection ratio in the upper first molars.MethodsA total of 60 roots of extracted human maxillary first molars were selected. All teeth were prepared with Point EAC (PEAC), Conservative EAC (CEAC) and Traditional EAC (TEAC) respectively. After each group were completed, extra canal was searched. Preoperative and postoperative tooth weigh was calculated using precise scale. McNemar’s chi-square test and a paired test significant difference were used for statistical analyses.ResultsThe EAC types statistically were changed of tooth tissue loss quantity (p = 0.000). MB2 detection rate of CEAC (%53,3) and TEAC (%60) are higher than statistically that of PEAC (%31.6) (p < 0.05). 8 teeth MB2 canal was detected only with the CBCT images.ConclusionsIn upper molars, CEAC seems reasonable in terms of detected the MB2 canal and removed hard tissue.
Highlights
The aim of this study was to evaluate the relationship between Endodontic Access Cavity (EAC) types with MB2 canal detection ratio in the upper first molars
In this study, 60 teeth were successfully prepared with Point EAC (PEAC), Conservative Endodontic Access Cavity (CEAC) and Traditional EAC (TEAC)
Ultrasonic preparation and TEAC were used, MB2 canals were not found in the eight teeth diagnosed with Cone Beam Computed Tomography (CBCT); the MB2 canals of these teeth were mostly seen in the middle third of the root
Summary
The aim of this study was to evaluate the relationship between Endodontic Access Cavity (EAC) types with MB2 canal detection ratio in the upper first molars. The fracture resistance for root canal-treated teeth is less than that of vital teeth [1]. It was observed in previous studies that endodontic access cavity (EAC) [3] and size of its [4] are reduced to fracture resistance of tooth. Clark and Khademi [17] have suggested a preparation technique called a conservative EAC in order to remove minimal tooth tissue. It was reported [18] that teeth with conservative EAC possess greater fracture resistance than traditional EAC. The effect of conservative access cavity on tooth resistance have been investigated
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