نتایج جستجو برای: obturation density
تعداد نتایج: 411499 فیلتر نتایج به سال:
The objectives of endodontics are the prevention and cure periapical disease (Apical Periodontitis); which is achieved by cleaning disinfection root canal system subsequent obturation spaces filling with inert materials, avoiding reinfection persistent inflammation [1].
The aim of this study was to evaluate the in vitro obturation quality of four filling methods: active lateral condensation, a modification of Tagger's hybrid technique, ENAC ultrasound technique and the Microseal technique. The study was performed on one hundred and sixteen single-rooted human teeth, divided into four groups of twenty nine teeth, embedded in resin, longitudinally sectioned and ...
The objective of this study was to compare the sealing ability of ActiV GP/glass ionomer (GI) sealer (Brasseler USA, Savannah, GA), Resilon/Epiphany (Pentron Clinical Technologies, Wallingford, CT), and gutta-percha (GP)/AH Plus (Dentsply Maillefer, Tulsa, OK). Seventy-three human single-rooted teeth were randomly divided into three test groups (20 canals each) and two control groups (5 positiv...
AIM To compare the apical seal of lateral condensation technique, thermafil and one-step by using this model. MATERIALS AND METHODS A two-chamber bacterial microleakage model using E. faecalis as microbial marker was used for evaluation of the leakage. Bacterial penetration was monitored over a 60-day period. Leakage was recorded when turbidity was observed in the lower chamber. RESULTS Aft...
in this thesis, structural, electronical, and optical properties of inverse pervskite(ca3pbo) in cubic phase have been investigated.the calculation have been done based on density functional theory and according to generalized gradiant approximate (gga) as correlating potential. in order to calculate the configurations, implementing in the wien2k code have been used from 2013 version. first of ...
Relevance . Under study is based on the fact that every year number of patients with complicated forms caries increases, in addition, complexity a treatment manipulations, often leads to various errors and complications at all stages endodontic treatment. Aim To evaluate tightness root canal obturation depending selected technique antiseptic canals. Materials methods 40 teeth extracted due chro...
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