نتایج جستجو برای: canine tooth
تعداد نتایج: 123067 فیلتر نتایج به سال:
Dental disease and its prevention and treatment comprises approximately 10% of the general equine practitioner’s work. The most common disease affecting the equine hypsodont teeth is the development of dental overgrowths. Brachydont dentition (canines and wolf teeth) are less often diagnosed with dental disease. Gingivitis and periodontal disease as seen in many young horses can affect any toot...
Background and purpose: This study was conducted to investigate the relationship between the position of impacted canine and associated follicular width. Materials and methods: This cross-sectional descriptive study, included CBCT archival images (n=70) in a maxillofacial imaging center in Sari, Iran. The images were studied by Planmeca Romexis Viewer ver. 3.8.2. Variables were determined and...
BACKGROUND The current study was carried out to compare the amount of tooth movement during canine retraction comparing two different retraction mechanics; friction mechanics represented by a NiTi closed coil spring versus frictionless mechanics represented by T - loop, and their effect on root resorption using Cone Beam Computed Tomography (CBCT). METHOD Ten patients were selected in a split...
A As dentists, we are often faced with the question: to close or not to close? Since maxillary lateral incisors are often congenitally missing, replacement of these teeth raises several important treatment planning concerns. Therefore, it is beneficial to use an interdisciplinary treatment approach to obtain the most predictable outcome. There are multiple treatment options for the replacement ...
Corticotomy, is one of the preferable means to obtain rapid tooth movement, early closure of spaces and avoid the need of an orthognathic surgery in selected cases, where in the conventional fixed orthodontics may take longer time or may be unable to provide the necessary results. In this, selective vertical and horizontal decortication cuts are made around teeth to be moved, which increases th...
tally missing maxillary lateral incisors raises several important issues: Amount of space? Patient age? Type of malocclusion? Condition of the adjacent teeth? There are three treatment options that exist for replacing missing lateral incisors. These options include: canine substitution, a tooth-supported restoration, and a single-tooth implant. There are also specific criteria that must be addr...
OBJECTIVES This study aims at analyzing the changes in gingival crevicular fluid (GCF) lactate dehydrogenase (LDH) activity during orthodontic movement. METHODS Twenty patients all requiring first premolar extractions were selected and treated with conventional straight wire mechanotherapy. Canine retraction was done using 125 g Nitinol closed coil springs. The maxillary canine on one side se...
AIMS This study investigated the effect of an 810 nm gallium-aluminum-arsenide (Ga-Al-As) laser on tooth movement velocity and pain perception during canine retraction in orthodontic patients. METHODS This single blind study included 20 patients requiring upper first premolar extraction on both sides. One half of the upper arch was irradiated with a GaAlAs laser (810 nm, 200 mW, 10 points, 21...
The frequencies and chronology, based on a standard tooth development chart, of enamel hypoplasia derived from permanent upper central incisors and mandibular canines were compared for 42 prehistoric Amerindians. Between 0.5 and 4.5 years, when the crowns of both these teeth are developing, hypoplasias were 1.36 times more common on the incisors (54 hypoplasias/incisor; 40 hypoplasias/canine). ...
Canines represent an essential component of the dentition for any heterodont mammal. In primates, like many other mammals, canines are frequently used as weapons. Hence, tooth size and wear may have significant implications for fighting ability, and consequently for social dominance rank, reproductive success, and fitness. We evaluated sources of variance in canine growth and length in a well-s...
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