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Register a new userIn Vitro Study To Investigate The Correlation Between Initial Anatomy And Final Preparation Of Root Canal That Is Sufficient To Achieve Efficient Irrigation And Hermetic Apical Obturation
دراسة مخبرية لتقصي الارتباط ما بين التشريح الأولي و التحضير النهائي للقناة اللازم و الكافي لتحقيق إرواء فعال و ختم ذروي كتيم
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تهدف الدراسة إلى تحديد علاقة ارتباط واضحة ما بين التشريح الأولي للقناة و أبعاد التحضير النهائي للقناة, من حيث القمعية و القياس دون مبالغة, لضمان تطهير فعال و ختم ذروي محكم و يحافظ على الأبعاد الأصغرية للنهاية الذروية. تضمنت عينة البحث 120 سناً وحيد الجذر و القناة تم تشفيفها و تحضيرها آلياً بعد توزيعها إلى 24 مجموعة فرعية وفقاً لثلاث متغيرات.
The aim of study is to determine an obvious correlation between initial anatomy and root canal preparation size realizing efficient irrigation and hermetic apical obturation without over instrumentation in order to conserve apex integrity. The sample included 120 single root canal teeth which cleared and divided into 24 sub-group.
References used
Eldeeb ME, Boraas JC. The effect of different files on the preparation shape of severely curved canals. Int Endod J. 1985;18(1):1
Dalton BC, Orstavik D, Phillips C, et al. Bacterial reduction with nickel-titanium rotary instrumentation. J Endod. 1998;24(11):763
Gutierrez JH, Aguayo P: Apical foraminal openings in human teeth: number and location. Oral Surg Oral Med Oral Pathol Oral Radiol Endod ,1995, 79:769
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One aim of the root canal treatment is providing compact
three dimensional seal for the canal system to prevent germs
enter and its products across both the apical and coronal
ways.
Gutta-Percha is the most use material to fill the radicalism
ca
nals. It has limited importance in spite of many
specifications as lack of the link to the ridge canal.
The quality of root canal filling is considered the key
of the successful endodontic treatment, because the one of goals of root
canal obturation is to obtain three-dimensional and complete sealing.
Therefore, The aim of this in vitro study was to evaluate the quality of root
canal filling of White-colored Mineral Trioxide Aggregate (WMTA) and
Gray-colored Portland Cement (GPC).
Aim of Study: The objective of this study was to compare the shaping ability of
ProTaper Rotary instruments (Universal, Next), Hand ProTaper instruments and traditional
hand instruments in long oval-shaped root canals.
Methods and materials: Forty
human teeth with long oval-shaped root canals were
sectioned at 3 levels in the coronal, middle and apical third. A modified Bramante technique
was used and analyzed changes in root canal maximum buccolingual and mesiodistal
canal dimensions (ΔBL ,ΔMD) and changes in surface area (ΔA) , under (10X) magnification.
Where the sample was divided into four groups each one contains (N=10) teeth and
prepares by one of the four instrumentation systems. The morphological changes were
analyzed by software Program (Auto Cad 2013).
This In Vivo study aimed to compare the antibacterial activity of
alcoholic extract of propolis and Miswak with sodium hypochlorite and saline.
The study was performed on 40 infected single root canals for
patients of both sexes, regardless of gender or age.
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.
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