نتایج جستجو برای: premolars
تعداد نتایج: 3284 فیلتر نتایج به سال:
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...
Objective: To evaluate the initial forces generated by two types of palatal expansion appliances, through fiber optic sensors, in elastomeric models. Materials and Methods: An model simulating upper dental arch was fabricated. The sensors were placed adjacent to first premolars molars roots (apical, cervical, vestibular, palatal). Hyrax Haas expanders fitted onto arch. Activation screw performe...
Aim: The current study’s goal was to employ CBCT determine the accurate root anatomy, as well canal configuration, of mandibular first and second premolars in Kashmiri Population.Materials Methods: scans data patients who were scanned for some diagnostic purposes collected. collected subjected a retrospective examination. All related at Bright X-rays centre between Jan 2018 December 2021 evalua...
BACKGROUND The aim of this study is to evaluate the change in pulp chamber temperature during the stripping technique. METHODS Seventy-eight proximal surfaces of 39 extracted human teeth were stripped by two techniques: double-sided perforated stripping disk (PSD) and handheld stripper (HS). The teeth were divided into three groups: incisors (group 1), premolars (2), and molars (3). A J type ...
BACKGROUND No documentation in the literature about taper of cast posts. This study was conducted to measure the degree of cast posts taper, and to evaluate its suitability based on the anatomy aspects of the common candidate teeth for post reconstruction. METHODS Working casts for cast posts, prepared using Gates Glidden drills, were collected. Impressions of post spaces were made using poly...
AIM The aim of the present study was to evaluate the effect of three methods of composite fiber placement along with siloranebased composite resin on cuspal deflection and fracture strength of root-filled maxillary premolars. MATERIALS AND METHODS Mesio-occluso-distal cavities were prepared in 60 extracted premolars subsequent to endodontic treatment. The remaining thickness of buccal and lin...
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