نتایج جستجو برای: mandibular molar
تعداد نتایج: 55600 فیلتر نتایج به سال:
The objective of this study was to evaluate the location of the mandibular canal and the thickness of the occlusal cortical bone at dental implant sites in the lower second premolar and lower first molar by using dental cone-beam computed tomography (CBCT). Seventy-nine sites (47 second premolar and 32 first molar sites) were identified in the dental CBCT examinations of 47 patients. In this st...
A lack of agreement exists in the literature regarding the anatomical relationship of the mandibular canal to its surrounding structures such as the root apices. The purpose of this investigation was to study the spatial relationship of the mandibular canal to the posterior teeth in dried human mandibles. Twenty-two mature dried mandibles were sectioned through the root apices of the first and ...
INTRODUCTION The purpose of this study was to compare the clinical effectiveness of the midpalatal implant as a method of reinforcing anchorage during orthodontic treatment with that of conventional extraoral anchorage. This was a prospective, randomized, clinical trial at Chesterfield and North Derbyshire Royal Hospital NHS Trust and the Charles Clifford Dental Hospital, Sheffield, in the Unit...
Generally, mandibular first molars have one mesial and distal root but in few cases there are morphological variations where the number of roots canals may vary. Radix Entomolaris (RE) is presence of an additional lingual distally molars. Correct diagnosis important before starting with endodontic therapy these teeth to ensure successful treatment outcome. This case report series describes the ...
A 35year-old Chinese man came to the dental clinic with a painful, nonulcerative, and fast-growing swelling over the right mandibular body. Clinical examination revealed that the well-defined swelling was bony hard and tender, and measured about 3 X 3 cm. Panoramic (Fig. 1) and lateral oblique (Fig. 2) radiographs demonstrated an ill-defined radiopaque shadow extending from the apical area of t...
Objective: The aim of this study was to evaluate the effect of some morphological features of the mandible and mandibular permanent molars on impaction of mandibular third molars with panoramic measurements in a Turkish patient group. Study design: Standardized panoramic radiography variables compiled from 140 patients retrospectively were evaluated. Predictive variables included mesio-distal c...
The mandibular second molars can become impacted beneath the crown of the first molars due to various causes and fail to erupt normally. Presented herewith is a case report of orthodontic uprighting of a mesioangular impacted mandibular right permanent second molar. Though various treatment options were available, an uprighting push spring appliance was used as it is easy to fabricate and produ...
We experienced two cases of inferior alveolar nerve paresthesia caused by root canal medicaments, which were successfully relieved by microscopic endodontic treatment. In the first case, the paresthesia might have been attributable to infiltration of calcium hydroxide into the mandibular canal through the root canals of the mandibular left second molar tooth. In the second case, the paresthesia...
introduction : the purpose of the present study was to evaluate the prevalence of bilateral three-rooted mandibular first and second molars in indian population. materials and methods: a total of 215 patients were screened bilaterally for mandibular first and second molar and 430 samples of periapical radiographs were obtained. the gender, symmetry, and prevalence of three-rooted mandibular fir...
Ankylosis of primary mandibular molars has been routinely found to be associated with various developmental disturbances in permanent dentition such as aplasia of the succedaneous tooth, ectopic eruption of the premolar, infraoclusion of the ankylosed tooth leading to tipping of the first permanent molar etc. This article describes a rare case where there was ankylosis of a mandibular second pr...
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