نتایج جستجو برای: canalled premolars
تعداد نتایج: 3315 فیلتر نتایج به سال:
AIMS To evaluate the reliability of Tanaka and Johnston and Moyer's (75th percentile) mixed dentition prediction methods in Kodava population sample, to formulate regression equations for predicting the mesiodistal widths of unerupted canines and premolars and to construct probability tables for the Kodava population. SETTINGS AND DESIGN Data was obtained from Kodava subjects visiting the cli...
BACKGROUND An impacted tooth is one which fails to reach the occlusal plane even after two-third's of its root completion. Though the etiology is multi-factorial, most common reason is crowding of teeth with lack of space for eruption. Mandibular third molars are the most commonly impacted teeth. Very few studies have been done to assess the prevalence of impacted premolar teeth. MATERIALS AN...
Introduction: Corticotomy-facilitated orthodontics provides a means for rapidly moving teeth purportedly with little damaging effects to the periodontium and with greatly reduced treatment time. The aim of this study was to enhance the orthodontic tooth movement by reducing the cortical bone layer (resistant to bone re-sorption relative to spongious bone) following Erbium, Chromium doped Yttriu...
background and aims. it is critical to have a proper knowledge of the normal anatomy of the pulp and its variations for the success of endodontic treatment. the aim of this study was to determine the canal configuration and the prevalence of c-shaped canals in mandibular first and second premolars in a north-western iranian population. materials and methods. a total of 163 extracted mandibular ...
Rapid palatal expansion (RPE) is widely used in the treatment of transverse maxillary deficiencies. Generally, there are two types of RPE appliances: banded and bonded expanders. The purpose of this prospective study was to compare the dental effects of banded and bonded appliances. The study consisted of 23 patients (13 females and 10 males) with a bilateral maxillary deficiency. Twelve patien...
AIM The aim of the present study was to evaluate the effect of the use of composite fibers (glass fiber and polyethylene fiber) at the gingival third of mesio-occlusodistal (MOD) cavities on the fracture resistance of endodontically treated premolars. MATERIALS AND METHODS A total of 45 extracted premolars underwent endodontic treatment. MOD cavities, 2.5 ± 0.2 mm thick at the buccal and ling...
INTRODUCTION The purposes of this study were to determine the ideal sites for placement of orthodontic mini-implants in mandibular interradicular spaces by using computed tomography (CT) and to suggest length, diameter, and angulation of the mini-implants. METHODS CT scans were performed on 15 dry human mandibles with 1-mm tomography slices. Measurements were made at 3, 5, 7, 9, and 11 mm hei...
Objective: The study aimed to evaluate the variations in RCM of mandibular first premolars (MFP) south Indians and also evaluated gender dimorphism contralateral symmetry pattern. Methods: 200 Cone Beam Computed Tomography (CBCT) images MFP patients above 18 years were analyzed for root canal morphology after excluding distorted images, endodontically treated tooth or fractured root. teeth care...
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