نتایج جستجو برای: tooth apex

تعداد نتایج: 100559  

Journal: :Far Eastern entomologist 2021

Raphiglossa rasnitsyni Fateryga, sp. n. is described from Turkmenistan. The new species resembles R. eumenoides S.S. Saunders, 1850 in its body size and proportions of the metasomal tergum 1 but strongly differs it by having a narrow propodeal concavity which less wide than at base, anterior margin clypeus deeply emarginated with single tooth center female, male genitalia reduced parameral spin...

2011
Shahriar Shahi Saeed Rahimi Amin Salem Milani Mohammad Asghari Jafarabadi Gholam Reza Djoorabbaf Naghsh

INTRODUCTION Determination of the canal working length with radiographs has many drawbacks. Electronic apex locators have been developed to overcome some of these problems. Recently, a newly designed apex locator called NovApex has been introduced. All the studies conducted to determine the accuracy of NovApex have been carried out in-vitro on extracted teeth. The aim of this in vivo study was ...

Journal: :The journal of contemporary dental practice 2011
Vaishali Parekh Chirag Taluja

BACKGROUND Accurate assessment of working length determines the success and prognosis of an endodontic treatment outcome. Various methods are used in determining the working length. AIM Compare the measurements of the apex locator and radiographic technique to determine working length. METHODS An ex vivo study was conducted on 20 patients having intact single straight root canal. Only premo...

2017
Smitha Reddy Bhuvan Shome Jayaprakash Patil Pradeep Koppolu

INTRODUCTION Exploration and determination of the relationship between stature and length of tooth is essential in Paleontology, Forensic Odontology and Endodontology. This study aimed to determine any association between stature and posterior tooth length in a group of patients who required root canal treatment. METHODS Age, sex and standing height of adults were considered for posterior too...

2009
Saeed Moradi Maryam Bidar Mohammad Hasan Zarrabi Ali Talati

INTRODUCTION Open-apex teeth with irreversible pulpitis require complex and difficult treatment. Providing the right environment for apexogenesis and pulp protection is vital for their long term prognosis. The young pulp of open apex tooth, however, is better equipped against irritation and assault. The aim of this study was to evaluate pulp inflammation in open apex canine teeth of cats. MAT...

Journal: :Journal of endodontics 2004
Claudia R Barthel Stefan Zimmer Martin Trope

The aim of this study was to determine the relationship between histologic and radiologic signs of inflammation in human root-filled teeth. In addition, other factors with possible importance for apical inflammation were assessed. Fifty-three block sections of root-filled teeth were gathered from human cadavers. The blocks were radiographically exposed, sectioned, and stained with hematoxylin a...

Journal: :International journal of clinical and experimental medicine 2015
Wei Geng Changying Liu Yucheng Su Jun Li Yanmin Zhou

PURPOSE To evaluate the clinical outcomes of implants placed using different types of computer-aided design/computer-aided manufacturing (CAD/CAM) surgical guides, including partially guided and totally guided templates, and determine the accuracy of these guides Materials and methods: In total, 111 implants were placed in 24 patients using CAD/CAM surgical guides. After implant insertion, the ...

2011
Yun-Hoa Jung Bong-Hae Cho

PURPOSE The purpose of this study was to examine the patient- and treatment-related etiologic factors of external root resorption. MATERIALS AND METHODS This study consisted of 163 patients who had completed orthodontic treatments and taken the pre- and post-treatment panoramic and lateral cephalometric radiographs. The length of tooth was measured from the tooth apex to the incisal edge or c...

Journal: :The Angle orthodontist 2007
Sheausoon Sia Yoshiyuki Koga Noriaki Yoshida

OBJECTIVE To determine the location of center of resistance and the relationship between height of retraction force on power arm (power-arm length) and movement of anterior teeth (degree of rotation) during sliding mechanics retraction. MATERIALS AND METHODS Three human subjects with maxillary protrusion were selected for this study. Initial tooth displacements of maxillary right central inci...

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 2013
Eustáquio A Araújo Cristiana V Araújo Orlando M Tanaka

This clinical article reports a technique, apicotomy, for managing dilacerated or ankylosed canines. The records of 3 patients successfully treated with apicotomy are presented. Orthodontists observe clinically significant incidences of impacted maxillary canines in their daily practices. Several procedures have been described to bring an ankylosed, impacted tooth into occlusion. Luxation is th...

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