نتایج جستجو برای: palatal reconstruction
تعداد نتایج: 127868 فیلتر نتایج به سال:
Standard Austrian German, which distinguishes eight front vowels, exploits two front constriction locations for distinguishing these vowels, a pre-palatal and a palatal one. However, the pre-palatal location is acoustically unstable, and, consequently, phonologically undesirable. The existence of a sound change which neutralizes the /i/ and /ɪ/ vowels in a first step and shifts the constriction...
Palatal fusion is a tightly controlled process which comprises multiple cellular events, including cell movement and differentiation. Midline epithelial seam (MES) degradation is essential to palatal fusion. In this study, we analyzed the function of Snail1 during the degradation of the MES. We also analyzed the mechanism regulating the expression of the Snail1 gene in palatal shelves. Palatal ...
Rapid palatal expansion(RPE) with the tooth-born appliance is not sufficient to apply to the patients with periodontal problem or insufficient tooth anchorage, and it leads to tipping of the anchorage teeth and increasing teeth mobility and root resorption. To avoid these disadvantages, we present the case using palatal screws and custommade palatal expander. A 23-year-old patient underwent sur...
The aim of this trial was to evaluate whether a Nance or Goshgarian palatal arch was most effective for prevention of mesial drift, distal tipping, prevention of mesio-palatal rotation of the upper first permanent molars, and patient comfort and ease of removal. Patients were recruited from a district general hospital and a specialist orthodontic practice and randomly allocated to a Goshgarian ...
ABSTRACT: In order to study the development of the hard palate, 31 rat embryos were sacrified at daily intervals from 13 to 19 days of gestation .Embryos' heads were sectioned serially and stained with H.E, trichrome masson's paraldehyde fuchsin. SEIT The results were as follow: 1- The palatal shelves were observed in the medial side of the maxillary processes as two bulged prominence on 13 d...
background cleft palate (cp) is a common congenital defect. it makes serious difficulties for cleft-affected children. the gold standard of care is autogenous bone grafting which may cause additional problems in donor site along with disappointing results. tissue engineering is a promising solution for a widespread range of defects and disorders. it is reasonable to utilize this novel technolog...
Cleft palate represents one of the most common congenital birth defects in human. During embryonic development, palatal shelves display oronasal (O-N) and anteroposterior polarity before the onset of fusion, but how the O-N pattern is established and how it relates to the expansion and fusion of the palatal shelves are unknown. Here we address these questions and show that O-N patterning is ass...
UNLABELLED Palatal rugae refer to the ridges on the anterior part of the palatal mucosa, each side of the median palatal raphe and behind the incisive papilla. Various studies on different populations have reported unique rugal patterns within each population. AIM To study, analyse and report the significant palatal rugae patterns among West Godavari District population and compare with the p...
BACKGROUND The specialization of forensic odontology is fast emerging as a branch that helps in personal identification of both living as well as dead individuals and also in crime scene investigations. Establishing a person's identity can be a challenging task in cases of road accidents or acts of terrorism or mass disaster scenario. It is an established fact that palatal rugae are unique for ...
The aim of this study was to quantify the palatal change in three groups of children: children with a unilateral posterior crossbite (TCB) who were treated, children with untreated unilateral posterior crossbite (UCB), and children without a crossbite (NCB). Study casts of 60 Caucasian children in the primary dentition (20 TCB, 20 UCB, and 20 NCB), aged 5.4 ± 0.7 years, were collected at baseli...
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