نتایج جستجو برای: tooth shape optimization

تعداد نتایج: 586043  

2016
Rishi Raj Kriti Mehrotra Ipshita Narayan Triveni Mavinakote Gowda D S Mehta

Sudden tooth loss in the esthetic zone of the maxillary or mandibular anterior region can be due to trauma, periodontal disease, or endodontic failure. The treatment options for replacing the missing tooth can vary between removable prosthesis, tooth-supported prosthesis, and implant-supported prosthesis. Irrespective of the final treatment, the first line of management would be to provisionall...

1995
K. KUNISCH

An embedding domain method for mixed boundary value problems is derived and applied to a class of shape optimization problems. The derivative of the cost with respect to the shape is characterized in terms of the Lagrange multipliers for the pri-mal and the adjoint problem. Numerical results illustrating the eeciency of the method which is related to a mixed nite element method are presented.

2010
Shengfeng Zhu Chunxiao Liu Qingbiao Wu

Article history: Received 26 November 2009 Received in revised form 22 April 2010 Accepted 8 June 2010 Available online xxxx

2001
D. Hartmann M. Baitsch H. Weber

In recent years, it has become obvious that deterministic optimization of structures no longer is appropriate. Increasing demands with respect to safety, reliability and quality in structural engineering require the integration of probabilistic phenomena as well as the consideration of real-world stochastic processes induced in the structures. Within the present contribution two distinct resear...

Journal: :Journal of morphology 2006
Alistair R Evans Gordon D Sanson

The interaction between the two main competing geometric determinants of teeth (the geometry of function and the geometry of occlusion) were investigated through the construction of three-dimensional spatial models of several mammalian tooth forms (carnassial, insectivore premolar, zalambdodont, dilambdodont, and tribosphenic). These models aim to emulate the shape and function of mammalian tee...

Background and Aim: Selecting the appropriate form of anterior teeth in patients without teeth is important factor in restoring the missing beauty of the patient. For this purpose, the study of natural teeth in terms of investigating the relationship between dimensions and forms and its prevalence in the Iranian community is essential. Materials and Methods: This analytic and descriptive stu...

Journal: :Collegium antropologicum 2003
Zoran Azinović Jadranka Keros Dino Buković Ana Azinović

SEM analysis contains researches of tooth enamel surfaces of two populations. First group of samples is tooth enamel of prehistorically ancestor from Vucedol and the second group of samples is enamel of modern Croatian citizen. Even on small number of human teeth samples from cooperage site of Vucedol (3,000 BC) and today's Croatian people, we can conclude about chewing biometry of prehistorica...

2000
Shigeru Obayashi Akira Oyama Takashi Nakamura

A practical three-dimensional shape optimization for aerodynamic design of a transonic wing has been performed using Evolutionary Algorithms (EAs). Because EAs coupled with aerodynamic function evaluations require enormous computational time, Numerical Wind Tunnel (NWT) located at National Aerospace Laboratory in Japan has been utilized based on the simple master-slave concept. Parallel process...

2013
Derya Demircioglu Guler Emine Sen Tunc Nursel Arici Nilüfer Ozkan

Objective. Fusion is a dental anomaly that arises through the union of two adjacent teeth. The case report presents multidisciplinary management of a fused maxillary anterior tooth. Case Report. A 10-year-old boy was referred to the pediatric dental clinic with the chief complaint of a large upper anterior tooth. Intraoral and radiographic examinations indicated fusion between the permanent max...

Abstract   Background and Objectives: residual cyst is an odontogenic cyst that develops after a tooth with a radicular cyst is extracted so that all or part of the cyst remain in place.  These cysts are known as asymptomatic inflammatory odontogenic cysts and form approximately 10% of odontogenic cysts.   Case Report: a 30 years old man patient, referred to the department of oral medicine of...

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