Maxillary Lateral Incisor Agenesis (MLIA)

Pinho, Teresa

doi:10.5772/22298

Cited by 4 publications

(4 citation statements)

References 80 publications

(106 reference statements)

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“…These conclusions differ from the results of this study that obtained higher scores for opening spaces symmetrically to replace both missing maxillary incisors than closing the same spaces orthodontically. Notwithstanding, clinicians should keep in mind that opening spaces in young patients sometimes implies that patients have to continue a long time with a provisional treatment, until a definitive treatment can be performed …”

Section: Discussionsupporting

confidence: 94%

“…The treatment of unilateral or bilateral agenesis of maxillary lateral incisors has proven to be challenging, commonly involving different treatment approaches: accepting the existing spaces without changing them, creating sufficient space for posterior replacement of the missing lateral incisor with prosthetic units (a single‐tooth, implant‐supported all‐ceramic restoration, and a tooth‐supported restoration), or orthodontically closing the space with the maxillary canine so as to mimic the appearance of the lateral incisor. The three types of tooth‐supported restorations available today are a resin‐bonded fixed partial denture (FPD), a cantilevered FPD, and a conventional full‐coverage FPD; however, the primary consideration when deciding which option to choose is conservation of tooth structure …”

mentioning

confidence: 99%

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Esthetic Assessment of the Effect of Gingival Exposure in the Smile of Patients with Unilateral and Bilateral Maxillary Incisor Agenesis

Pinho

Bellot-Arcís

Montiel-Company

et al. 2014

Journal of Prosthodontics

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Purpose: The aim of this study was to determine the dental esthetic perception of the smile of patients with maxillary lateral incisor agenesis (MLIA); the perceptions were examined pre-and post-treatment. Esthetic determinations were made with regard to the gingival exposure in the patients' smile by orthodontists, general dentists, and laypersons. Materials and Methods: Three hundred eighty one people (80 orthodontists, 181 general dentists, 120 laypersons) rated the attractiveness of the smile in four cases before and after treatment, comprising two cases with unilateral MLIA and contralateral microdontia and two with bilateral MLIA. For each case, the buccal photograph was adjusted using a computer to apply standard lips to create high, medium, and low smiles. A numeric scale was used to measure the esthetic rating perceived by the judges. The resulting arithmetic means were compared using an ANOVA test, a linear trend, and a Student's t-test, applying a significance level of p < 0.05. The predictive capability of the variables, unilateral, or bilateral MLIA, symmetry of the treatment, gingival exposure of the smile, group, and gender were assessed using a multivariable linear regression model. Results: In the pre-and post-treatment cases, medium smile photographs received higher scores than the same cases with high or low smiles, with significant differences between them. In all cases, orthodontists were the least-tolerant evaluation group (assigning lowest scores), followed by general dentists. In a predictive linear regression model, bilateral MLIA was the more predictive variable in pretreatment cases. The gingival exposure of the smile was a predictive variable in post-treatment cases only. Conclusion: The medium-height smile was considered to be more attractive. In all cases, orthodontists gave the lowest scores, followed by general dentists. Laypersons and male evaluators gave the highest scores. Symmetrical treatments scored higher than asymmetrical treatments. The gingival exposure had a significant influence on the esthetic perception of smiles in post-treatment cases.Among the Portuguese population, prevalence of maxillary lateral incisor agenesis (MLIA) has been estimated at 1.3%, with a slightly higher frequency in females.

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Section: Discussionsupporting

confidence: 94%

mentioning

confidence: 99%

Esthetic Assessment of the Effect of Gingival Exposure in the Smile of Patients with Unilateral and Bilateral Maxillary Incisor Agenesis

Pinho

Bellot-Arcís

Montiel-Company

et al. 2014

Journal of Prosthodontics

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“…However, the decision to open lateral incisor spaces for prosthetics or close spaces by mesial movement of the canines requires a careful diagnosis and comprehensive multidisciplinary treatment planning. The successful management of impacted maxillary canines requires close cooperation of an orthodontist, an oral surgeon, a radiologist a periodontist and a prosthodontist (Pinho, 2011).…”

Section: Discussionmentioning

confidence: 99%

Maxillary lateral incisor agenesis; a retrospective cross-sectional study

Arandi¹,

Mustafa²

2018

The Saudi Dental Journal

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“…Existem duas opções de tratamento para tratar pacientes com incisivos laterais superiores ausentes. Uma opção é abrir espaço para substituir o dente perdido, a outra é fechar o espaço e substituir o canino pelo incisivo lateral (14), possuindo como desvantagem, esta técnica, a perda da guia dos caninos (15).…”

Section: Introductionunclassified

Avaliação da prevalência de agenesia de incisivos laterais superiores dos pacientes da Faculdade de Odontologia do Centro Universitário da Serra Gaúcha

Capoani¹,

Gonçalves²

2019

JOI

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A agenesia dentária pode ser definida como a falta de desenvolvimento do dente, com a ausência de um até seis dentes, sendo bastante frequente nas dentições decídua e permanente. A etiologia está relacionada tanto à fatores genéticos quanto a ambientais. Quanto maior a contribuição genética na origem de uma alteração, menor a possibilidade de prevenir, assim, pior o prognóstico do tratamento. Com o diagnóstico precoce, consegue-se uma intervenção ortodôntica em uma época adequada. Objetivo: Avaliar a prevalência de agenesia de incisivos laterais superiores (ILS) em radiografias panorâmicas da Faculdade de Odontologia do Centro Universitário da Serra Gaúcha. Métodos: estudo transversal de prevalência realizado no laboratório de Interpretação Radiográfica da FO-FSG envolvendo radiografias panorâmicas realizadas nos anos de 2015 a 2017. Foram registrados dados relativos ao número do prontuário do paciente, idade, sexo do indivíduo, a presença ou não de agenesia, o dente ausente, a presença ou não de diminuição de tamanho e apresentação de anomalia conoíde. Resultados: Nas amostras aplicou-se o teste Qui-quadrado para a heterogeneidade. Verificou-se que o gênero e a agenesia não estão significativamente associados (p<0,05). Conclusão: Os indivíduos com agenesia de ILS, não apresentam diferenças entre os lados e os gêneros. Constata-se que a agenesia bilateral do ILS, é mais frequente do que a agenesia unilateral.

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Maxillary Lateral Incisor Agenesis (MLIA)

Cited by 4 publications

References 80 publications

Esthetic Assessment of the Effect of Gingival Exposure in the Smile of Patients with Unilateral and Bilateral Maxillary Incisor Agenesis

Esthetic Assessment of the Effect of Gingival Exposure in the Smile of Patients with Unilateral and Bilateral Maxillary Incisor Agenesis

Maxillary lateral incisor agenesis; a retrospective cross-sectional study

Avaliação da prevalência de agenesia de incisivos laterais superiores dos pacientes da Faculdade de Odontologia do Centro Universitário da Serra Gaúcha

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