نتایج جستجو برای: premolars

تعداد نتایج: 3284  

Journal: :American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics 2009
Cristiane Monnerat Luciana Restle José Nelson Mucha

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...

Journal: :Cumhuriyet Dental Journal 2023

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...

Journal: :Research, Society and Development 2022

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...

Journal: :International journal of applied dental sciences 2022

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...

2014
José Carlos d’Ornellas Pereira André Weissheimer Luciane Macedo de Menezes Eduardo Martinelli Santayana de Lima Maurício Mezomo

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 ...

2010
Khaled Q Al Hamad Faruq A Al-Omari Ahmad S Al Hyiasat

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...

Journal: :The journal of contemporary dental practice 2012
Siavash Savadi Oskoee Parnian Alizadeh Oskoee Elmira Jafari Navimipour Amir Ahmad Ajami Gazale Ahmadi Zonuz Mahmood Bahari Fatemeh Pournaghiazar

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...

Journal: :THE JOURNAL OF THE STOMATOLOGICAL SOCIETY,JAPAN 1989

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