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Register a new userSimulated in-vivo effect of root canal filling pastes of primary teeth on Enterococcus Faecalis biofilm
التأثير المحاكي للجسم الحي لمعاجين حشو الأقنية الجذرية للأسنان المؤقتة على بيوفيلم المعوية البرازية
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Added by
Damascus University رسالة ماجستير
Publication date
2016
fields
Pharmacy
and research's language is
العربية
Created by
Shamra Editor
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تعد المعوية البرازية من الجراثيم الرئيسية المسببة لعداوى الأقنية الجذرية ومن الصعب التخلص منها من القنيات العلاجية عند إجراء المعالجة سواء بجلسة واحدة أو أكثر لذلك هدف هذه الدراسة إلى عزل المعوية البرازية من الأقنية الجذرية للأرحاء المؤقتة اللاعرضية ذات اللب المتموت
Enterococcus faecalis is associated with different root canal infections, and it is the main cause of chronic periapical lesions farthermore , it is difficult to eliminate from root canal in one visit or more, so The aim of this study was to isolate E. faecalis from asymptomatic necrotic root canals of primary teeth
References used
Dummett Jr, C.O. and H.M.Kopel, Pediatric endodontics , Endodontics, 2002
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Post-obturation pain is one of the primary problems following
root canal treatment. Although in most cases pain does not last
long, but could be a source of embarrassment to the dentist and
annoying for the patient.
This study was conducted to in
vestigate and compare the
incidence of postoperative pain after one-visit root canal
treatment (RCT) on teeth with vital pulps using three different
obturation techniques.
90 cases were assigned into three treatment groups, each group
30 cases(10 anterior, 10 premolar, 10 molars), The canals of all
teeth were prepared using Protaper rotary system and then filled
at the same visit using one of the three obturation techniques
(lateral condensation technique, HEROFILL technique, E&Q
PLUS technique). The postoperative pain was recorded on a
visual analogue scale (VAS) of 0 - 100 after 2 hours, 24 hours,
48 hours and 7 days.
The filling material bonding to the wall of the root canal is so important with regard to decreasing the apical microscopic leakage. The aim of this study is to assess the ability of new resin root canal filling
materiales (Resilon) in bonding to th
e canal internal wall, bond strength, and to determined the nature of
bond failure, and compare this with two kinds of traditional root canal filling materials.
Few researchers have made a comprehensive study of the morphology of the
root canals of the primary molars. Thorough knowledge in internal anatomy of the primary molars is
useful in reducing the problems of endodontic therapy arising due to the ana
tomical variation in root
canals, which are clinically difficult to be detected.
Exploration the root canals of primary molars with regard to its number, variations, and accessory canals
in the furcation region.
the complication of the internal anatomy of primary molars causing complication in
endodontic treatment so the results of this study suggest avoiding pulpectomy in primary molars where
ever possible.
Aim: to compare the shaping ability of NiTi hand instruments with Stainless- steel instruments in preparation of curved root canal in extracted teeth.
Materials and Methods: a total of 24 of curved root canal were randomly divided into two groups. O
ne group was prepared using stainless steel instruments and the other prepared NiTi instruments. Curvatures pre-and post instrumentation were registered and compared. And straightening of the canals were determined by autocad analysis system.
Results: two systems were significantly changed the original canal curvature with no differences between both systems. However, the time required to finish preparation was significantly less with NiTi system.
Conclusion: under the conditions of this study, it can be concluded that two hand instrumentation system changed the original canal curvature, but the time consuming to finish the preparation was less with NiTi hand system.
The purpose of this study was to evaluate the success of Formocresol
pulpotomy compared with Ferric sulfate and Electro coagulation and Laser
pulpotomy in primary teeth. Fourty seven primary second molars of
children aged 5-8 years, were divided r
andomly into four groups: 10
Formocresol , 13 Ferric sulfate , 13 Electro coagulation, 10 Laser.
All teeth were filled with ZOE and sealed with Compomer, and S.S.Crown
as final restoration.
The success rate was 90 % - 84.6 % - 84.6 % - 83.3 % respectively.
These differences were not statistically significant p=0.05), but there were a
relation between the pretreatment physiologic resorption of roots and the
type of hemorrhage during the amputation procedure.
This study revealed that Ferric sulfate, and Electro coagulation, and Laser
pulpotomy are good alternative to Formocresol pulpotomy.
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