نتایج جستجو برای: maxillary premolars

تعداد نتایج: 35880  

Journal: :The journal of contemporary dental practice 2012
Jugal Vora N Meena Deepak K Mehta Chethana S Murthy

UNLABELLED Extra teeth in dentition is termed as 'supernumerary teeth' and is a very well-known dental developmental anomaly. Supernumerary premolars are a rare anomaly in the maxillofacial complex. Its rarity and complex characteristics often makes it difficult to treat. Radiographs play an important role in assessment of both the location and the typing of supernumerary teeth. This article re...

2016
Yasemin Bahar Acar Mustafa Ates

Overeruption of maxillary molars due loss of opposing teeth creates occlusal and functional interferences. Before reconstruction can be initiated, intrusion of overerupted molars becomes essential. This report illustrates treatment of overerupted maxillary premolar and molar via direct use of miniscrew anchorage. A 24-year old female had lost first and second left mandibular molars due to pulpa...

2014
Raju Chauhan Shweta Singh Anil Chandra

The C-shaped canal system is an anatomical variation mostly seen in mandibular second molars, although it can also occur in maxillary and other mandibular molars. Such variation in the root canal anatomy is uncommon in mandibular first premolars and very rare in mandibular second premolars. The C-shaped canal is so named for the cross-sectional morphology of the root and root canal. The main an...

Journal: :Pediatric dentistry 1995
K B Hallett R K Hall

A female with congenital adrenal hyperplasia and enamel defects involving the permanent maxillary incisors and all canines and premolars received composite veneer splint overlays under general anesthesia. Possible etiological factors involved in the formation of the enamel defects and overall case management is discussed.

Journal: :European Journal of Dentistry 2009
Hacer Deniz Arisu Tayfun Alacam

Anatomical variations must be considered in clinical and radiographical evaluations during endodontic treatment. Access cavity modifications may be required for stress free entry to complex anatomy. Higher magnification and illumination can be useful for access cavity preparation and to recognize and locate additional canals. This article describes the diagnosis and clinical management of two c...

Journal: :Journal of endodontics 2008
Kenneth M T Low Karl Dula Walter Bürgin Thomas von Arx

This study compared periapical (PA) radiography and cone-beam tomography (CBT) for preoperative diagnosis in posterior maxillary teeth of consecutive patients referred for possible apical surgery. Images were concurrently analyzed by an oral radiologist and an endodontist to reach consensus in interpretation of the radiographic findings. The final material included 37 premolars and 37 molars wi...

2010
Frederico Sampaio Neves Luana Costa Bastos Solange Maria de Almeida Frab Norberto Bóscolo Francisco Haiter-Neto Paulo Sérgio Flores Campos

One of the most common dental anomalies is dens invaginatus. As the name indicates, it is an invagination of the coronary or root surface, bounded by enamel, which can be so profound as to simulate the appearance of a tooth inside another. Usually occurs in permanent maxillary lateral incisors, followed by maxillary central incisors, premolars, canines and less frequently molars. In this articl...

Journal: :Journal of clinical and diagnostic research : JCDR 2013
Manjunath Naganahalli Adarsh Honnappa Nallan Csk Chaitanya

Developmental anomalies affecting the number of teeth are occasionally encountered clinically. The incidence of supernumerary teeth is approximately 1-3%. Among these are the maxillary anterior teeth, the maxillary molars, and the maxillo-mandubular premolars, in terms of descending order of occurrence. Supernumeraries occur rarely in the mandibular anterior teeth region. They may be either sup...

Journal: :Chang Gung medical journal 2008
Cheng-Ting Ho Lun-Jou Lo Eric J W Liou Chiung Shing Huang

BACKGROUND Lengthening the maxillary dental arch as a treatment approach for patients with maxillary deficiency and dental crowding is seldom reported. The purpose of this study was to assess dental and skeletal changes in the maxilla in the correction of maxillary deficiency associated with a retruded maxillary arch using a surgically assisted rapid maxillary anterior-posterior expansion appli...

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
Guilherme Janson Vladimir Leon-Salazar Ruben Leon-Salazar Marcos Janson Marcos Roberto de Freitas

INTRODUCTION The objective of this study was to cephalometrically compare the stability of complete Class II malocclusion treatment with 2 or 4 premolar extractions after a mean period of 9.35 years. METHODS A sample of 57 records from patients with complete Class II malocclusion was selected and divided into 2 groups. Group 1 consisted of 30 patients with an initial mean age of 12.87 years t...

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