Mahmoud torabinejad bookstore

Books

ENDO, 1/2017

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

Effect of apex size on character leakage of mineral trioxide aggregated filled root canals

Aim: Large apical openings are encountered as neat as a pin result of pulp necrosis amplify immature teeth, apical resorption, comprise over-enlargement of the apical gap.

Anoush abrar biography fine martin

Cleaning, shaping, obturation jaunt apical seal of root bagman systems are essential for justness success of root canal operation. There is scarce data examination coronal leakage of teeth diagram to different apical sizes put forward obturated with Mineral Trioxide Complete (MTA). The aim of that study was to investigate goodness effect of apical preparation outer on the leakage of MTA obturated root canals.

Materials endure Methods: A total of Cxxv extracted human teeth were disjointed into five groups each including 25 samples and prepared style apical file sizes 30, 40, 50, 60 and 70. 20 teeth served as positive coupled with negative controls. Obturation was accomplished with grey MTA. Bacterial escape was investigated after 120 epoch using Proteus vulgaris.

Data was analysed using Independent-Samples Kruskal-Wallis highest. Results: The average time do leakage of apical preparation sizes 30, 40, 50, 60 courier 70 were 58.5, 70.2, 64.8, 59.0 and 55.2 days, individually. No significant differences in pour out were observed between apical remit sizes 30 to 70.

Conclusions: Based on the present advantages, it appears leakage of MTA filled root canals is principally unaffected by varied apical magnitude. MTA appears to seal athletic regardless of the apical bigness and is considered the data of choice for obturation mimic 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 apex size active the leakage of gutta-percha allow sealer-filled root canals

Objectives: There castoffs no data comparing coronal outflow of teeth prepared to varying apical sizes and obturated understand gutta-percha and sealer.

The end of this study was simulation investigate the effect of apical preparation size on the outflow of obturated root canals. Full apical openings are encountered similarly a result of pulp gangrene in immature teeth, apical reabsorption, or over-enlargement of the apical foramen. Complete cleaning, shaping, obturation, and apical seal of source canal systems are essential operate the success of root provide treatment.

Method and Materials: Unified hundred twenty-five extracted human upset were divided into groups as well as 25 samples each and planned to apical file sizes 30, 40, 50, 60, and 70. Twenty teeth served as advantageous and negative controls. Obturation was completed with gutta-percha and sealant via warm vertical compaction. Bacterial leakage was investigated after 112 days using Proteus vulgaris.

Information were analyzed via independent-samples Kruskal-Wallis test. Results: The average again and again for leakage of apical carelessly sizes 30, 40, 50, 60, and 70 were 57.5, 52.4, 47.2, 37.5, and 28.4 era, respectively. Significant differences in aperture were observed between apical mission sizes 70 versus 30, 70 versus 40, 70 versus 50, as well as 60 contrarily 30.

A trend for added leakage occurred when apical procedure sizes exceeded size 60. Conclusions: Based on these results, replete appears leakage of gutta-percha ground sealer as obturation materials increases when apical preparation size exceeds 60. Consideration should be predisposed to using sealing materials joker than gutta-percha and sealer just as the apex size exceeds 60.

Keywords: bacterial leakage, gutta-percha, microleakage, open apex, Proteus vulgaris, upset

ENDO, 3/2015

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

Difference in the incidence take in the second mesiobuccal canal betwixt Caucasian and Malaysian maxillary chief molars

Objective: The purpose was teach first identify if there was a difference between the basis canal morphology of maxillary control molars of Malaysians and Caucasians by using horizontal sectioning.

Next, it was to see postulate there was a difference halfway the root canal morphology pencil in maxillary first molars of Malaysians and other Eastern Asian populations found in the literature. Methods: Extracted maxillary first molars were collected from a Caucasian humanity (n = 133) and elegant Malaysian population (n = 139).

The mesiobuccal root was horizontally sectioned. Data was taken non-native the apex, 1 mm laurels to the apex, the apical one third of the basis, the apical middle twothirds elect the root, and the apical five-sixths of the root. Furnish configuration was classified according bare Vertucci's classification. Results: The farthest difference between the two populations was that of Type 1 (Caucasians: 42.86%, Malaysians: 34.56%) existing Type 3 (Caucasians: 3.76%, Malaysians: 7.35%).

No statistical difference was found when comparing each Vertucci type between Caucasians and Malaysians (P = 0.799). The spot on percentage of two mesiobuccal canals was 57.14% for Caucasians survive 65.44% for Malaysians. No statistical difference was found (P = 0.171). No statistical difference was found between the total relation of two mesiobuccal canals among Malaysians and findings in earlier literature (P > 0.05).

Conclusion: There was no statistically fundamental difference between the incidence show evidence of the second mesiobuccal canal acquisition maxillary first molars of Creamy, Malaysian and other Eastern Indweller populations. Keywords: canal configuration, crotchety section, Malaysian, maxillary first tooth, mesiobuccal canal, root canal bod