نتایج جستجو برای: maxillary premolars

تعداد نتایج: 35880  

Habib Taji, Javad Jalayer, Maryam Forghani Nasrin Sarabi Negin Ghaffari,

Introduction: The restoration of endodontically treated teeth is a topic that has been studied extensively but it is still a challenge for dental practitioners. The aim of this study was to evaluate fracture resistance, fracture patterns and fracture location of endodontically treated human maxillary premolars restored with direct and indirect composite resin and ceramic restoration. Methods: E...

Journal: :European journal of orthodontics 2011
Farhana Ghaffar Mubassar Fida

The objective of the present study was to assess smile aesthetics after orthodontic treatment in subjects with and without the extraction of four first premolars. Post-treatment coloured frontal photographs (4 × 6 inches) of 60 Pakistani subjects, 21 males and 39 females, aged between 15 and 30 years were assessed by one examiner. For 50 per cent (n = 30) of the patients, treatment included the...

2013
Mahkameh Moshfeghi Soodabeh Sadat Sajadi Sepideh Sajadi Majid Shahbazian

OBJECTIVE Successful endodontic therapy depends on adequate mechanical and chemical debridement of the canal which requires knowledge of the canal morphology. Conventional radiography has been used to evaluate the canal type; however, direct digital radiography has recently been practiced for this purpose due to the shortcomings of conventional radiography. The aim of the present study was to c...

2018
Shivani Mangal Sylvia Mathew B. V. Sreenivasa Murthy Shruthi Nagaraja K. Dinesh Poornima Ramesh

Background Intraradicular procedures remove radicular dentin and jeopardizing longevity of a tooth. Traditional in vitro methods used to determine the remaining dentin thickness (RDT) have limitations. Aim The aim is to evaluate, using cone-beam computed tomography (CBCT), RDT following rotary instrumentation and post space preparation in buccal and palatal roots of maxillary first premolars....

Journal: :Avicenna Journal of Dental Research 2022

Background: This study aimed to evaluate the cone-beam computed tomography (CBCT) technique considering its reliability diagnose resorption due maxillary impacted canine. Methods: In this cross-sectional study, 68 CBCT images were observed by two oral and maxillofacial radiologists. The position of canine was assessed, severity root in adjacent teeth determined rounds viewing. Finally, statisti...

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 2008
Madhur Upadhyay Sumit Yadav Sameer Patil

INTRODUCTION This study was conducted to determine the efficiency of mini-implants as intraoral anchorage units for en-masse retraction of the 6 maxillary anterior teeth when the first premolars are extracted compared with conventional methods of anchorage reinforcement. METHODS Thirty patients requiring high anchorage after extraction of the maxillary first premolars were selected for this s...

Journal: :The journal of contemporary dental practice 2009
Archna Nagpal Keerthilatha M Pai Gaurav Sharma

AIM To determine the association of impacted maxillary canines with other developmental dental anomalies and compare them with a control population and to compare palatally and labially impacted canine associated anomalies. METHODS AND MATERIALS Ninety non-syndromic orthodontic patients from a south Indian population, with either labial or palatal impactions of one or both maxillary canine te...

2017
Jintana Tasanapanont Tanapan Wattanachai Janya Apisariyakul Peraphan Pothacharoen Siriwan Ongchai Prachya Kongtawelert Marit Midtbø Dhirawat Jotikasthira

Objective. To compare chondroitin sulphate (CS) levels around maxillary second premolars, first molars, and second molars between the unloaded and the loaded periods and to measure the rates of intrusion of maxillary posterior teeth during segmental posterior tooth intrusion. Materials and Methods. In this prospective clinical study, 105 teeth (from 15 patients exhibiting anterior open bite and...

2012
Jong-Moon Chae

Introduction: Patients with dental Class II bialveolar protrusion are generally treated by extracting the four first premolars or two first and two second premolars, and retracting the anterior teeth. This case report describes the treatment of an adult patient with bialveolar protrusion, a Class II canine and molar relationship, and lip protrusion. Methods: In this patient, the maxillary right...

Journal: :General dentistry 1975
Karl F Woodmansey

Identifying and accessing all pulp canals is particularly challenging in the endodontic treatment of teeth with atypical canal configurations. This report describes the nonsurgical endodontic treatment of a maxillary first premolar with three root canals. The prevalence of this unusual morphology is reviewed and suggestions are offered to help dentists identify and treat such teeth. This case r...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید