نتایج جستجو برای: lateral cephalogram
تعداد نتایج: 124984 فیلتر نتایج به سال:
Lateral cephalogram X-ray (LCX) images are essential to provide patientspecific morphological information of anatomical structures. The automatic annotation of anatomical structures in cephalograms has been performed in the biomedical engineering for nearly twenty years. Most systems only handle a portion of salient craniofacial landmark set [1, 2, 3]. Although model-based methods can produce a...
When maximal anchorage is required during orthodontic treatment, additional aids are often needed to support the anchoring teeth. While intra-oral aids may be limited in their anchorage potential, extra-oral anchoring aids are often rejected by the patients. Endosseous implants may therefore be a valuable alternative for stable intra-oral anchorage. However, the possibility of using conventiona...
Conventional cephalometric analysis, based on intracranial reference line SN and Frankfurt plan, sometimes leads to incorrect diagnostic findings and unpleasant theraputic results, especially in orthosurgery patients, mainly due to the instability of the mentioned references. Natural head position (NHP) is the standardized orientation of the head that its record in lateral cephalometric radiogr...
Background: Thalassaemia is the single most common gene disorder in the world and represents major health burden. The most common oral and craniofacial manifestations are enlargement of maxilla, bossing of the skull and prominent malar eminences. The aim of the study was to assess the radiological changes of the oral and craniofacial region in β thalassaemic children with in the age group of 12...
This retrospective study was undertaken to determine the presence of any features on a pretreatment lateral cephalogram that may be used to predict the success of improvement in the sagittal dental base relationship during functional appliance therapy in patients with a Class II skeletal pattern. Seventy-two patients judged to have been successfully treated with a functional appliance were sele...
BACKGROUND Restoring the vertical dimension is a critical procedure in prosthetic dentistry. Anterior facial height has a significant impact on the length of the ramus. Patients with deep bite will exhibit a shorter lower facial height; hence, restoring the vertical dimension esthetically without altering the facial form is highly challenging. AIM To evaluate the relationship of gonial angle,...
RATIONALE Obesity is a major risk factor towards the development of obstructive sleep apnea, while significant weight loss (both conservatively managed and surgically assisted) has a variable effect upon its severity. Differences in the effect of weight loss on obstructive sleep apnea may be due to underlying craniofacial characteristics. OBJECTIVES To determine whether craniofacial character...
Objective: The aim is to identify the accuracy of age estimation following mandibular body length by lateral cephalograms Methodology: Mandibular was calculated using cephalograms. 60 participants' were traced same view box. LMB obtained marking reference points on most anteroinferior part mandible, specifically gonion (Go), which constructed point at intersection ramus plane and plane, gnathio...
Objective: The objective of this study is to assess the relationship anterior and posterior occlusal planes (AOP & POP) with Sella-Nasion (SN) Frankfort Horizontal (FH) in different skeletal malocclusion. Study Design Setting: It was a cross-sectional carried on 202 (40 males 190 females) pretreatment lateral cephalogram orthodontic patients Jinnah Medical Dental College, Karachi from June ...
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