Malocclusion can occur in three planes of space i.e. sagittal, transverse and vertical plane. Dental vertical relationships can be divided into four major categories: anterior open bite, anterior deep bite, posterior open bite and posterior collapsed bite with overclosure. Since the same occlusal relations can result from skeletal jaw proportions or from infraeruption or supraeruption of teeth, the descriptive terminology should be as precise as possible in indicating whether jaw or tooth positions are basically at fault in producing a vertical problem. The maxillary dental arch being larger than the mandibular dental arch allows the maxillary anteriors to overlap the mandibular anteriors. This overlapping of the mandibular teeth occurs in both the horizontal as well as vertical direction
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BONDING IN ORTHODONTICS
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DISASTER MANAGEMENT IN DENTISTRY
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DEEPBITE
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- Author: : DR. OISHI CHATTERJEE, DR. RAJALAXMI AHU, DR. PRAGYA TRIVEDY
- Language : English
- Paperback : 161pages
- ISBN-13 : 978-93-5515-282-4
- Country of Origin : India
- Generic Name : Thesis
- Publisher : Book Rivers(14 March 2022)
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कामकाजी माताएँ एवं किशोर
कुछ शोध परिणामों से यह ज्ञात हुआ है कि व्यवसाय का प्रकार, व्यवसाय की स्थिति/पद तथा माता का व्यवसाय से समझौते का स्तर, माता की क्रियाओं की गुणवत्ता तथा बालकों की देख-रेख के स्तर में महत्वपूर्ण भूमिका का निर्वाह करता है। इस सम्बन्ध में हाॅफमैन (1989) बताते हैं कि व्यवसायरत् माताओं की कि‛ाोर बालिकायें सामाजिक रूप से अपने आपको अधिक समर्थ पाती हैं। उनके आत्मवि‛वास, आत्म उपयुक्ततता एवं स्वतंत्रता की भावना में बढ़ोत्तरी होती है। यही तथ्य बालकों के लिए अलग होता है क्योंकि माताओं का व्यवसायरत् होना कि‛ाोर बालकों पर अलग प्रकार का प्रभाव डालता है। इसके विपरीत बहुत ही सफलतम परिवारों में व्यवसायरत् माताओं के कि‛ाोरों की बुद्धिलब्धि तथा पहचान अधिक उच्च कोटि की होती है। यह विपरीत प्रभाव कई कारणों से प्रभावित होता है।
Fracture Behavior of Biological Materials and Interfaces
Fracture Behavior of Inhomogeneous Biological Materials and Interfaces
Biological materials like bone, nacre, human tooth layers are inhomogeneous materials made up of soft collagen, and hard, hydroxyapatite (HAP) mineral arranged in such a fashion so that these materials have higher strength and toughness, the measure of crack resisting behavior in materials, at the same time, which is exclusive in nature for different class of materials available for different application areas. The interfaces in these biological materials are designed in such a fashion so that the load transfer between the constituents takes place so smoothly, therefore, become a region of strength, not susceptible to failure like in other man-made materials and composites. It is important to understand these aspects of biological materials so that they can be mimicked to the novel materials to satisfy the growing need of different industries.
This work is focused on studying different layers of human tooth, and its interface for crack initiation and growth, the crack arresting behavior of the interface layer of the outer cover of human tooth, the enamel, and the inner, dentine, called dentine enamel junction. These works are done by developing a numerical model using the commercial finite element analysis tool, ABAQUS. The crack growth pattern of the enamel and the dentine has also been investigated. The role of porosity and permeability on the energy release rate which is the measure of fracture toughness has also been investigated. The key features of the book are:
- Study on the role of shear modulus of the defect and the matrix material in which the defect is embedded on the energy release rate.
- The role of small coating layer between the outer matrix and the inner layer on the fracture behavior, especially the stress concentrations in these different layers due to change in the elastic modulus.
- The crack growth pattern in human enamel, the outer tooth layer.
- The crack arresting phenomena of the interfacial, dentine enamel junction (DEJ).
- The role of porosity and permeability on the energy release rate in the inner layer of human tooth, dentine.
A Mirror of General English For class x
Dear Students at this level are supposed to have some fundamental knowledge of English grammar. This book helps students to improve their grammar knowledge, expanding their vocabulary, and becoming more confident in following expressing themselves in English.
Apbhransh Sahitya : Ek Anusheelan
PRODUCT DETAILS
- ISBN : 978-93-90548-29-3
- Publisher : Book River (10 March 2021)
- Language : Hindi
- Dimensions : 12 x 2 x 21 cm
- Country of Origin : India
- Pages : 245
A Detailed Survey On Religiosity And Paranormal Experiences
This study is about people in their formative years. It is about their beliefs and practices. It is about their personality and how it relates to their beliefs. It involves empirical investigation of 1800 college going men (882) and women (918) with an average age of about 20 years. The subjects are predominantly Hindu (85%), with 12% Christian and 3% Muslim student attending colleges in Visakhapatnam urban area. Data were collected from them using the Myers-Briggs Type Indicator (MBTI) and the two specially developed questionnaires that survey religiosity and paranormal beliefs and experiences. Paranormal beliefs and experiences surveyed included sacred as well as secular beliefs, experiences, and practices. While several studies in the West attempted to explore the relationships between personality, paranormal beliefs and religious practices and experiences, there are hardly any investigations in non-Judeo-Christian cultures. The present study can help by throwing light on the cross-cultural relevance of these findings
DENTAL IMPLANT IMAGING
Computed tomography (CT) has been the gold
standard for many years as the information provided is
three-dimensional and generally very accurate. However,
CT examinations are expensive and deliver a relatively
high radiation dose to the patient. The latest imaging
modality introduced is cone beam volumetric tomography
(CBVT) and this technology is very promising with regard
to pre-implant imaging.
BIO MATERIALS FOR DENTAL IMPLANTS
Many surgical procedures have been developed to restore more favorable anatomy for prosthesis support. They include vestibuloplasty, Vestibuloplasty with skin or mucosal grafting; and augmentation with bone grafting procedures. These procedures offered short-term improvement to denture stability and retention; however none showed long-term clinical success. Hence implant dentistry had evolved into a reasonably predictable treatment modality for the majority of such patients
ADVANCE DIAGNOSTIC AIDS IN SCREENING OF ORAL CANCER
Oral cancer is the sixth most common malignancy with almost 500000 new cases reported worldwide annually. The diagnosis of oral cancer at an early stage has a good prognosis as the survival rate is high (around 80%). However, the majority of oral cancer cases are diagnosed at a later stage with a considerably poor 5-year survival rate of 50% according to World Health Organization statistics. Thus, an effective management strategy for oral cancer will depend on its early identification and intervention which would pave the way for superior prognosi
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