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Canine impaction is a dental problem very often encountered in orthodontic practice. After the third molar, the canine is the most frequently impacted tooth. Bringing the impacted canine into a normal position is important for functional occlusion and the final esthetics of the orthodontic treatment.
Orthodontic treatment aims to improve patient appearance and function. Class II division 1 malocclusion is a frequent problem seen in the orthodontic clinic; treatment is considered one of the challenging procedures that orthodontists face and depends on accurate determination of the problem and its components. This study aimed o describe the cephalometric features of Class II division 1; for better understanding of the different skeletal and dental features associated with this malocclusion which latter may assist in diagnosis and treatment planning for this type of malocclusion.
Nasal breathing is the first physiological function developed at birth. Responsible for the process of air conditioning, warming, humidification and filtering, it also serves as protection for respiratory tract. Moreover it has effects on development and determination of dentofacial morphology. The adenoid is a hypertrophied lymphoepithelial tissue that comprises part of Waldeyer’s pharyngeal ring and plays an important role in the immune system. This article mainly focuses on etiology and factors affecting malocclusion in adenoid facies and a case report.
The lingual arch has proved its efficacy for holding the molars. In combination with a soldered extended free arm in the second premolar region it can also offer space maintenance.
The cephalometric evaluation of craniofacial morphology forms an important tool in orthodontic diagnosis and treatment planning especially in planning the treatment outcome. Evaluation of the facial soft tissue features is important to set the orthodontic treatment goals to Nepalese standard of facial esthetics as no such study exists in the indexed literature.
Orthodontic appliances should be designed to satisfy goals for patient, and doctor. An appliance that is able to achieve these goals more closely approaches the ideal treatment system. Analysis of appliances of the Begg and straightwire types indicates that each treatment system has significant advantages and that the advantages of one system frequently are the disadvantages of the other.
In orthodontic practice, it is essential to achieve proper adhesion between the bracket and the tooth enamel. The success of the adhesion depends on the tooth surface and its preparation, the design of the bracket base and the cementing material2. The irregularities in the enamel surface caused by dental fluorosis may influence the adhesion of brackets, leading to reports of a decrease in bond strength of brackets on teeth with fluorosis3,4. The reason for this is that fluorosis is associated with hypomineralization of the superficial enamel layer, making it acid resistant, and thus reducing the effectiveness of the acid etching required to achieve adequate adhesion.
Oligodontia (multiple aplasias) is defined as a congenital absence of 6 or more teeth. Oligodontia along with impacted teeth is a rare condition. Oligodontia can occur either as an isolated condition (non-syndromic oligodontia) or it can be associated with cleft lip\palate and other genetic syndromes (syndromic oligodontia). The exact etiology of Oligodontia is unknown; several factors like trauma, radiation, infection, metabolic disorders and idiopathic conditions are the possible etiologic factors. This report describes a case of multiple agenesis of permanent teeth along with impacted teeth.