نتایج جستجو برای: crown preparation

تعداد نتایج: 193499  

Journal: :Black sea journal of health science 2023

Bu in vitro çalışmanın amacı, diş destekli sabit protezlerde kullanılan monolitik Zirkonya Kuronların ideal kalınlığı ile iki farklı kuron preparasyonunun (Rehber Oluklu Diş Kesimi ve Konvansiyonel Kesim yöntemleri) ilişkisini araştırmaktır. Çalışmamız için Frasaco fantom mandibulasına yerleştirilmiş 39 adet prefabrike sağ alt azı dişi kullanıldı. dişlerin 16'sı yöntemi diğer 23 ise Rehber Tekn...

Journal: :Journal of dentistry 2006
R B Bandlish A V McDonald D J Setchell

OBJECTIVES There is currently no standardised technique to measure the amount of coronal dentine remaining in a root-treated tooth after crown preparation. The aim of this study was to develop a method of measuring remaining coronal dentine in root-treated teeth and to propose an index for grading tooth restorability. METHODS The study recruited 20 patients who had completed molar endodontic ...

2016
Lea Burkhardt Frank Weidmann Stefan Rüttermann Susanne Gerhardt-Szep

BACKGROUND This in vitro study compared the shaping ability of RaCe, FlexMaster, and ProFile rotary nickel-titanium instruments in severely curved root canals of extracted teeth. MATERIAL AND METHODS Sixty maxillary molars with curvatures ranging from 25° to 65° were embedded in a muffle system and portioned into five horizontal sections (thickness 1.2 mm), starting from the apex. Canals were...

Journal: :International journal of pedodontic rehabilitation 2022

Background and Aim: Aesthetic alternatives to stainless steel crown for restoring primary molars attain a growing interest. The aim of the study was clinical evaluation comparison zirconia in (clinical radiograph) Methods: A randomized controlled conducted on children age group 5 8 years visiting, KVG Dental College Hospital, Sullia who were meet inclusion criteria study. population randomly di...

ژورنال: مجله دندانپزشکی 2000
حاج محمودی, محمدرضا , فاضل, اکبر , گرامی پناه, فریده ,

It has been shown that noble alloys require metal collar to resist distortion when subjected to repeat firing cycle of porcelain. Metal collar is undesirable due to esthetic concerns. Since base metal alloys have superior physical properties, it seems that metal collar would not be necessary for obtaining better marginal adaptation of base metal crowns. The Purpose of this study was to evaluate...

Journal: :dental research journal 0
m. h. zarrabi m. bidar h. jafarzadeh a. talati

introduction various kinds of hand-held or rotary techniques are used for mechanical preparation of the canal. the purpose of this study was to assess the influence of the number of applications on apical extrusion of debris in conventional and two rotary instrumentation techniques (profile, flex master). methods and materials in this in vitro study, 75 extracted single-rooted human mandibular ...

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