نتایج جستجو برای: maxillary molars
تعداد نتایج: 39854 فیلتر نتایج به سال:
A thorough knowledge of root canal morphology is a prerequisite for the endodontic therapy. The maxillary molars, especially the second molars, have the most complicated root canal system in permanent dentition. There are many variations in canal number and configuration in maxillary molars. Treatment may be unsuccessful because the dentist may fail to recognize the unusual canal configuration....
Introduction Variations in the root and canal morphology are a common occurrence. The clinician should have a thorough knowledge of dental anatomy and its variations in order to achieve successful and predictable outcome with root canal treatment. Maxillary first permanent molars are generally considered to be three rooted, one palatal and two buccal. The additional root canal, if present, is t...
The partial absence of teeth germs is a hereditary or acquired congenital defect called hypodontia. The present report analyses and discusses hypodontia in permanent dentition on the basis of eleven clinical cases. In these, the hypodontia corresponded to mandibular central incisors, maxillary lateral incisors, maxillary canines, or maxillary and mandibular premolars and molars. All these cases...
BACKGROUND Pulp stones are discrete calcified bodies found in the dental pulp. The aims of this study were to calculate the prevalence of pulp stones in young Australian adults using radiographs, and to report any associations between occurrence of pulp stones and sex, tooth type, dental arch, side and dental status. METHODS From 217 undergraduate dental students, comprising 123 males and 94 ...
PURPOSE This study investigated the developmental stages of third molars in relation to chronological age and compared third molar development according to location and gender. MATERIALS AND METHODS A retrospective analysis of panoramic radiographs of 2490 patients aged between 6 and 24 years was conducted, and the developmental stages of the third molars were evaluated using the modified Dem...
Objective: To determine the internal root morphology and gender variations in maxillary first permanent molars in a Kenyan population. Design: In vitro descriptive cross-sectional study. Setting: School of Dental Sciences, University of Nairobi. Subject: One hundred and eighty seven maxillary first permanent molars were collected from Kenyans of African descent aged between 10 and 40 years atte...
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...
Background: Prediction the width of unerupted permanent canines and premolars is far important in assessing the space available to them in an attempt to prevent the future malocclusion. The present study utilized the combined mesio-distal crowns widths of maxillary and mandibular central incisors and first molars to predict the combined mesio-distal crowns widths of maxillary and mandibular can...
There has been increase in the treatment modalities for non-surgical Class II malocclusion. This resulted orthodontists becoming more vigilant with extraction plans and exploring possible non-extraction approaches. Maxillary molar distalization is one such method. The maxillary distalized to create space helps solving malocclusionMany appliance were used of molars over period time. Both intra-o...
AIM The aim of this pilot study was to analyze the interfurcal bone height in relation to the possible need for subsequent sinus floor elevation in patients with advanced periodontitis and furcation involvement of first and/or second maxillary molars. MATERIAL AND METHODS Seventeen dentate patients, who received cone beam computed tomography (CBCT) for detailed preoperative diagnosis and plan...
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