Prevalence of Dental Anomalies in School Children of Muzaffarpur District (Age 5 to 12 Years)

Introduction: The development of the tooth is highly complexphenomena controlled by various complex mechanisms whichare dependent on the hereditary and environmental factors.Any alteration in these mechanisms leads to developmentaldisturbances or the dental anomalies. Study aimed to knowthe prevalence of developmental anomalies in school childrenbetween age group of 5 to 12 years located in Muzaffarpurcity.Material and methods: The study was based on a clinicalexaminations review of 6182 school children (Male-3364 &Female- 2818) of Muzaffarpur city, aged between 5 years to12 years. Routine instruments like mouth mirror, probe andnatural and/or artificial light was used for the examination.Results: The prevalence of dental anomalies observed in thisstudy is 0.12%. The prevalence of supernumerary teeth in thisstudy is 0.04 %, In our study we found ankyloglossia is foundin male only in this population and the prevalence value is0.01%. In our study we found Microdontia is equal prevalencevalue in both male and female sexes and was 0.03 % of thoseexamined.Conclusion: Epidemiological studies have provideduseful information regarding the prevalence, location, anddistribution of primary tooth anomalies, contributing to theformulation of public health policies adequately informed bythe specificities of each population.

Transformação estética de incisivo lateral conóide com resina composta e auxílio de planejamento digital / Esthetic transformation of conoid lateral incisors with composite resin and digital planning

Objetivo: este trabalho tem como objetivo, baseado em uma revisão de literatura, relatar um caso clínico de transformação estética de incisivos laterais conóides, através da técnica adesiva direta, utilizando resinas compostas e auxílio de planejamento digital. Material e Métodos: foi realizada uma busca bibliográfica nas bases de dados PUBMed e Scielo, com os termos (Microdontia) OU (Dental esthetics) E (Composite Resin OU Composite Resins) E (Anterior teeth) E (Digital Smile Design) (Microdontia) E (Estética Dental) E (Resina Composta OU Resinas Compostas) E (Dentes Anteriores). Foram selecionados 34 artigos, em suas versões completas, considerados de boa qualidade e pertinentes ao tema. Os artigos foram publicados entre 2001 e 2018. Resultados: as restaurações foram consideradas esteticamente satisfatórias pelo paciente, respeitaram princípios biológicos e foram realizadas de acordo com a filosofia minimamente invasiva. Conclusão: foi possível concluir que essa técnica minimamente invasiva preserva estrutura dental sadia, reduz o tempo clínico, é uma opção de baixo custo e apresenta reversibilidade.

Objective: the aim of this study is to, based on a review of the literature, relate a clinical case of an esthetic transformation of conoid lateral incisors, through the direct adhesive technique, using composite resins and aid of digital planning. Material and Methods: a literature reasearch was made on electronic databases, including PUBMed and Scielo, with the key terms of (Microdontia) OR (Dental esthetics) AND (Composite Resin OR Composite Resins) AND (Anterior teeth) AND (Digital Smile Design) (Microdontia) AND (Estética Dental) AND (Resina Composta OR Resinas Compostas) AND (Dentes Anteriores). Also, 34 papers were selected after this first filter, in which the full text available was considered of good quality and relevant to the context. The publication time was limited to the 17-year period through 2018. Results: the result of the restorations fulfilled esthetically to the patient's desires, who demonstrated joy and satisfaction, respecting all the biological principles of a minimally invasive philosophy. Conclusion: it was possible to conclude that this is a minimally invasive technique that preserves health dental structure, with a reduced chair time. In addition, it is an option of low cost for the patient and offers a possibility of reversibility.

Proposal of anatomical terms for alterations in tooth size: "microdontia and macrodontia" / Propuesta de términos anatómicos para las alteraciones de tamaño dentario: "microdoncia y macrodoncia"

ABSTRACT: There are 76 dentistry terms used in the Terminologia Anatomica, which is a very small number for the existing nomenclature, which uses many terms with Greek roots and eponyms. The aim of this study was to propose terms in Latin and their respective translations into English and Spanish for macrodontia, microdontia and their classifications. We conducted a review of the Terminologia Anatomica and the literature in articles and texts. Then, we translated both terms etymologically from the Greek to obtain our proposal in Latin, Nanismus dentarius for microdontia and Gigantismus dentarius for macrodontia and their subsequent translations into English and Spanish. We consider it necessary to eliminate relative generalized size anomalies as they are an alteration in the size of the dental arches and not the dental structure itself. We can conclude that there are still many terms that are incorrectly named according to etymology and language, which is why further analysis is needed to make changes and with them a real contribution to morphological sciences.

RESUMEN: En Odontología son 76 los términos utilizados en Terminologia Anatomica, lo que es un número muy reducido para la nomenclatura existente, en la que aún se usan muchos términos con raíces griegas y epónimos. El objetivo de éste estudio fue proponer términos en latín y sus respectivas traducciones al inglés y español, para Macrodoncia, Microdoncia y sus clasificaciones. Realizamos una revisión de la Terminologia Anatomica y de la literatura existente en artículos y textos. Posteriormente tradujimos etimológicamente ambos términos desde el griego, para así lograr nuestra propuesta en latín, Nanismus dentarius para Microdoncia y Gigantismus dentarius para Macrodoncia, y su posterior traducción al inglés y español. Consideramos necesario eliminar las anomalías de tamaño generalizadas relativas, por corresponder en sí, a una alteración de tamaño de los Arcos Dentales y no de la estructura dentaria propiamente tal. Podemos concluir que existen aún muchos términos que no se encuentran correctamente nominados según etimología e idioma, por lo que se hace necesario un mayor análisis, para así gestar los cambios y hacer un real aporte a las Ciencias Morfológicas.

A noninvasive esthetic treatment of isolated microdontia using new high-translucent cubic-phase zirconia (5Y-PSZ) laminate veneers: A case report / 대한치과보철학회지

Current trends in restorative dentistry focus on improving the esthetics and keeping the sound dental tissues as long as possible. The aims of this case report were to describe the successful outcome of cubic-phase zirconia laminate veneers for a patient with isolated microdontia by using a digital workflow, and to describe their clinical implications. A 15-year-old female who had isolated microdontia in combination with spacing visited Ajou University Dental Hospital for esthetic treatment. In this case, 6 maxillary anterior teeth were restored with cubic-phase zirconia laminate veneers without tooth structure removal by using a digital impression, computer-aided design (CAD) software, and computer-aided manufacturing (CAM) procedures. At 6-month follow-up, no distinct mechanical and biological complications were detected and the prostheses exhibited satisfactory esthetics and functions. Due to its favorable tissue responses and enhanced translucency, cubic-phase zirconia can be a suitable strategy for a noninvasive esthetic approach.

Peg Shaped Mandibular Lateral Incisor in a Hypodontia Patient: A Case Report.

Congenitally missing teeth are not rare. However, their association with other dental anomalies has always been a topic of interest in the profession. Occurrence of peg-shaped incisors in the mandibular arch is a rare finding. Strong association has been suggested between hypodontia and microdontia. Treatment approach has to be case specific and depends on the condition of primary predecessor, number of missing teeth, status of occlusion/occlusal condition and patient/parent’s preferences. This paper reports an unusual case of bilateral agenesis of permanent mandibular canines and unilateral agenesis of mandibular incisors, in association with a rare finding of peg-shaped mandibular lateral incisor in a 7-year-old Indian female.

Prevalencia de microdoncia de incisivos laterales superiores en una población mexicana / Prevalence of upper lateral incisor microdontia in a mexican population

Introducción y objetivo: Microdoncia es una anomalía en la cual están presentes dientes con un tamaño inferior a lo normal. Presenta problemas que afectan la longitud de arco y a la estética facial. Cuando el ancho del incisivo lateral superior (ILS) es menor, igual o hasta 0,7 mm más ancho que el incisivo lateral inferior, el resultado sería exceso de material dentario inferior en relación al superior. Determinar la prevalencia de microdoncia del incisivo lateral superior y determinar la frecuencia de microdoncia en relación al lado y tamaño. Materiales y métodos: Se evaluaron 1345 modelos de pacientes pretratamiento de la Especialidad de Ortodoncia de la Universidad Au+ M tónoma de Nayarit entre los años 2002- 2012, de los cuales 504 cumplieron los criterios de inclusión. Se realizaron las mediciones de los anchos mesiodistales de los incisivos laterales superiores e inferiores y los resultados se resumieron mediante estadística descriptiva. Resultados: El 40,5% presenta ILS con microdoncia, 13% del lado derecho, 12,7% del lado izquierdo y 14,7% de forma bilateral. Para los ILS con microdoncia del lado derecho la media es de 6,6±0,4 mm, los del lado izquierdo es del 6,4±0,5 mm. Para los casos de ILS con microdoncia bilateral la media es 6,2±0,6 mm del lado derecho y del lado izquierdo 6,4±0,5 mm. Conclusion: El estudio refleja un alto porcentaje de microdoncia de ILS de acuerdo a los criterios de Binder y Cohen lo cual debe considerarse en la planeación del tratamiento ortodóncico.

Introduction and objective: Microdontia is an anomaly in which teeth are present with a size below normal. It presents problems involving arc length and facial aesthetics. When the width of the upper lateral incisor (ULI) is lower or equal or until 0.7 mm wider than the lateral incisor, the result would be mandibular excess material in relation to the upper. To determine the prevalence of ULI microdontia and determine the frequency of microdontia relative to size and side. Materials and methods: The universe of study was 1345 models of patients pretreatment of the Especialidad de Ortodoncia of the Universidad Autonoma de Nayarit of the years 2002-2012. Measurements were made of the mesiodistal widths of the upper and lower lateral incisors and applied descriptive statistics. Results: 40,5% of ULI present microdontia, on the right side 13%, 12,7% on the left and 14,7% bilaterally. For right side ULI with microdontia the average was 6,6+0,4mm, the left side was 6,4+0,5mm. For cases with bilateral microdontia the average was 6,2+0,6mm on the right side and 6,5+0,6mm on the left side. Conclusion: The study reflects a high percentage of ULI microdontia according to Binder and Cohen criteria which should be considered in the planning of orthodontic treatment.

An unusual case of non-syndromic occurrence of multiple dental anomalies.

Dental anomalies have been known to occur in humans due to a variety of genetic and environmental factors. Combinations of dental anomalies are known to be associated with specific syndromes. A few cases of multiple dental anomalies have been reported in patients with no generalized abnormalities. This case report describes an unusual occurrence of a combination of dental anomalies in an apparently normal healthy 12-year-old female patient. The dental anomalies in this patient were multiple dens invaginatus, generalized enamel hypoplasia, generalized microdontia, root resorption and multiple periapical lesions, shovel shaped incisors, cup shaped premolars, taurodontism, hypodontia and supernumerary teeth.

Clinical study on the anomalies of number and morphology in cleft lip and palate patients' teeth / 대한치과교정학회지

Cleft lip and/or palate (CLP) is one of the most common congenital craniofacial anomalies and occurs more frequently in Asian people. Dental abnormalities in number, size, shape, and eruption of teeth are frequently associated with CLP. The purposes of this study were to investigate the effects of CLP on number, size, shape and eruption of teeth and to provide basic clinical data for diagnosis and treatment of the CLP patients. With the orthodontic and cleft charts, diagnostic models, orthopantomograms and intraoral x-ray films from 241 CLP patients who visited Dept. of Orthodontics, Seoul National University Dental Hospital, we evaluated the frequency of congenital missing teeth, supernumerary teeth, impacted teeth, and microdontia. The results were as follows ; 1. Frequency of congenital missing was relatively high up to 56.8 %. Congenital missing occurred frequently in the maxillary lateral incisor and the maxillary second premolar. Among the CLP types, frequencies of congenital missing in cleft lip and palate group and cleft lip and alveolus group were higher than those of cleft lip group and cleft palate group. And bilateral cleft showed higher frequencies than unilateral ones. 2. Supernumerary tooth was shown in 11.2 % of CLP patients. It occurred frequently in the area between the maxillary lateral incisors and the maxillary canine. Among the CLP types, cleft lip group showed relatively most highest frequency. 3. Impaction was shown in 18.3 % of CLP patients. It occurred most frequently in the maxillary lateral incisor and the maxillary canine than other teeth. Among the CLP types, cleft lip group and cleft lip and palate group showed most highest frequencies. 4. Microdontia was shown in 15.8 % of CLP patients. It occurred the most frequently in the maxillary lateral incisors and maxillary canines. Among the CLP types, cleft lip and alveolus group and cleft lip and palate group showed relatively higher frequencies. There was no microdontia in cleft palate group.