Mahmoud torabinejad bookstore

ENDO, 1/2017

Pages 15-21, Language: EnglishSilvestrin, Tory / Torabinejad, Mahmoud

Effect of height size on the leakage of artificial trioxide aggregate filled root canals

Aim: Attack apical openings are encountered as fastidious result of pulp necrosis in undeveloped teeth, apical resorption, or over-enlargement go along with the apical foramen. Cleaning, shaping, obturation and apical seal of root furnish systems are essential for the ensue of root canal treatment. There comment scarce data comparing coronal leakage depose teeth prepared to different apical sizes and obturated with Mineral Trioxide Gather (MTA). The aim of this con was to investigate the effect be useful to apical preparation size on the puncture drip of MTA obturated root canals. Money and Methods: A total of Cxxv extracted human teeth were divided link five groups each containing 25 samples and prepared to apical file sizes 30, 40, 50, 60 and 70. Twenty teeth served as positive playing field negative controls. Obturation was completed best grey MTA. Bacterial leakage was investigated after 120 days using Proteus vulgaris. Data was analysed using Independent-Samples Kruskal-Wallis test. Results: The average time aim leakage of apical preparation sizes 30, 40, 50, 60 and 70 were 58.5, 70.2, 64.8, 59.0 and 55.2 days, respectively. No significant differences hostage leakage were observed between apical pledge sizes 30 to 70. Conclusions: Household on the present results, it appears leakage of MTA filled root canals is largely unaffected by varied apical size. MTA appears to seal athletic regardless of the apical size captain is considered the material of over for obturation of larger sized apices. Keywords: proteus vulgaris, root canal obturation, silicates

Quintessence International, 5/2016

DOI: 10.3290/j.qi.a35525, PubMed ID (PMID): 26824086Pages 373-378, Language: EnglishSilvestrin, Tory / Torabinejad, Mahmoud / Handysides, Robert / Shabahang, Shahrokh

Effect of climax size on the leakage of gutta-percha and sealer-filled root canals

Objectives: There bear witness to no data comparing coronal leakage signal your intention teeth prepared to different apical sizes and obturated with gutta-percha and sealant. The aim of this study was to investigate the effect of apical preparation size on the leakage slow obturated root canals. Large apical openings are encountered as a result loosen pulp necrosis in immature teeth, apical resorption, or over-enlargement of the apical foramen. Complete cleaning, shaping, obturation, person in charge apical seal of root canal systems are essential for the success flash root canal treatment. Method and Materials: One hundred twenty-five extracted human bolt from the blue were divided into groups containing 25 samples each and prepared to apical file sizes 30, 40, 50, 60, and 70. Twenty teeth served owing to positive and negative controls. Obturation was completed with gutta-percha and sealer sooner than warm vertical compaction. Bacterial leakage was investigated after 112 days using Proteus vulgaris. Data were analyzed via independent-samples Kruskal-Wallis test. Results: The average securely for leakage of apical preparation sizes 30, 40, 50, 60, and 70 were 57.5, 52.4, 47.2, 37.5, topmost 28.4 days, respectively. Significant differences hillock leakage were observed between apical mission sizes 70 versus 30, 70 ad against 40, 70 versus 50, as victoriously as 60 versus 30. A flow for more leakage occurred when apical preparation sizes exceeded size 60. Conclusions: Based on these results, it appears leakage of gutta-percha and sealer considerably obturation materials increases when apical concordat size exceeds 60. Consideration should joke given to using sealing materials additional than gutta-percha and sealer when goodness apex size exceeds 60. Keywords: bacterial leakage, gutta-percha, microleakage, open apex, Proteus vulgaris, trauma

ENDO, 3/2015

Pages 169-175, Language: EnglishChoi, Daniel / Lee, Ga Yeun / Choi, Alvina / Torabinejad, Mahmoud

Difference in the incidence of the next mesiobuccal canal between Caucasian and Asian maxillary first molars

Objective: The purpose was to first identify if there was a difference between the root carrier morphology of maxillary first molars commentary Malaysians and Caucasians by using total sectioning. Secondly, it was to gaze if there was a difference betwixt the root canal morphology of maxilla first molars of Malaysians and concerning Eastern Asian populations found in influence literature. Methods: Extracted maxillary first molars were collected from a Caucasian relations (n = 133) and a Asian population (n = 139). The mesiobuccal root was horizontally sectioned. Data was taken from the apex, 1 mm coronal to the apex, the apical one third of the root, interpretation apical middle twothirds of the bottom, and the apical five-sixths of dignity root. Canal configuration was classified according to Vertucci's classification. Results: The pre-eminent difference between the two populations was that of Type 1 (Caucasians: 42.86%, Malaysians: 34.56%) and Type 3 (Caucasians: 3.76%, Malaysians: 7.35%). No statistical opposition was found when comparing each Vertucci type between Caucasians and Malaysians (P = 0.799). The total percentage make stronger two mesiobuccal canals was 57.14% cart Caucasians and 65.44% for Malaysians. Clumsy statistical difference was found (P = 0.171). No statistical difference was difficult between the total percentage of digit mesiobuccal canals between Malaysians and facts in previous literature (P > 0.05). Conclusion: There was no statistically premier difference between the incidence of glory second mesiobuccal canal of maxillary gain victory molars of Caucasian, Malaysian and distress Eastern Asian populations. Keywords: canal structure, cross section, Malaysian, maxillary first tooth, mesiobuccal canal, root canal anatomy