Anterior aesthetic restoration with ultrathin porcelain veneers on asymmetric faces assisted by a four-dimensional smile design: a case report and literature review

Objective To explore the application effect of a four-dimensional smile design as the leading and facial streamline as the reference system in the aesthetic restoration of anterior teeth. Methods A case of scattered space in anterior teeth was treated with a four-dimensional smile design and digital...

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Autores principales:	WANG Hao, ZHANG Xidan, REN Wei, YUE Li, GAN Xueqi
Formato:	article
Lenguaje:	ZH
Publicado:	Editorial Department of Journal of Prevention and Treatment for Stomatological Diseases 2022
Materias:	four-dimensional smile design digital facial flow line ultrathin ceramic veneer asymmetrically face gaps of the anterior teeth aesthetic restoration facial scans intraoral scanning Medicine R
Acceso en línea:	https://doaj.org/article/10d398d477114d6995705390eabfeea5
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spelling	oai:doaj.org-article:10d398d477114d6995705390eabfeea52021-11-23T07:14:10ZAnterior aesthetic restoration with ultrathin porcelain veneers on asymmetric faces assisted by a four-dimensional smile design: a case report and literature review10.12016/j.issn.2096-1456.2022.01.0092096-1456https://doaj.org/article/10d398d477114d6995705390eabfeea52022-01-01T00:00:00Zhttp://www.kqjbfz.com/CN/10.12016/j.issn.2096-1456.2022.01.009https://doaj.org/toc/2096-1456Objective To explore the application effect of a four-dimensional smile design as the leading and facial streamline as the reference system in the aesthetic restoration of anterior teeth. Methods A case of scattered space in anterior teeth was treated with a four-dimensional smile design and digital aesthetic restoration with ultrathin porcelain veneer. The digital information of the patients was obtained through oral and facial scanning, and a four-dimensional smile design and prediction were carried out. After the treatment plan was jointly determined by doctors and patients, minimally invasive abutment preparation was carried out, and ultrathin porcelain veneer was made and bonded in place. After the operation, the esthetic degree and marginal fit were observed and reexamined one year after the repair. Results The edges of the ultrathin ceramic veneers were naturally tight, and the color was coordinated, with satisfying pink and white esthetics. The face was more harmonious and natural when smiling. One year after the restoration, the facial aesthetics were wonderful, the abutment teeth and periodontal tissues were healthy, and the patients were satisfied. The results of the literature review showed that the fitting of temporal facial scanning and intraoral scanning data can accurately predict four-dimensional smile aesthetics, simulate the real state of the dynamic smile and pronunciation process, and combine it with facial streamlines to design a natural and coordinated personalized smile for patients with asymmetric faces. However, for patients with occlusal changes, unstable occlusion or temporomandibular joint disorder, it is necessary to add data fitting, such as electronic facial arch and cone beam CT, to more accurately simulate postoperative mandibular movement. Conclusion With a four-dimensional smile design as the leading and facial streamline as the reference system, the whole process digital design assisted the restoration of asymmetric anterior teeth with ultrathin porcelain veneer and had a good effect. The postoperative smiling of patients is harmonious and beautiful, which is in line with the expected effect. Patient participation and satisfaction are high; thus, this method is worthy of clinical promotion.WANG HaoZHANG XidanREN Wei YUE LiGAN XueqiEditorial Department of Journal of Prevention and Treatment for Stomatological Diseasesarticlefour-dimensional smile designdigitalfacial flow lineultrathin ceramic veneerasymmetrically facegaps of the anterior teethaesthetic restorationfacial scansintraoral scanningMedicineRZH口腔疾病防治, Vol 30, Iss 1, Pp 51-56 (2022)
institution	DOAJ
collection	DOAJ
language	ZH
topic	four-dimensional smile design digital facial flow line ultrathin ceramic veneer asymmetrically face gaps of the anterior teeth aesthetic restoration facial scans intraoral scanning Medicine R
spellingShingle	four-dimensional smile design digital facial flow line ultrathin ceramic veneer asymmetrically face gaps of the anterior teeth aesthetic restoration facial scans intraoral scanning Medicine R WANG Hao ZHANG Xidan REN Wei YUE Li GAN Xueqi Anterior aesthetic restoration with ultrathin porcelain veneers on asymmetric faces assisted by a four-dimensional smile design: a case report and literature review
description	Objective To explore the application effect of a four-dimensional smile design as the leading and facial streamline as the reference system in the aesthetic restoration of anterior teeth. Methods A case of scattered space in anterior teeth was treated with a four-dimensional smile design and digital aesthetic restoration with ultrathin porcelain veneer. The digital information of the patients was obtained through oral and facial scanning, and a four-dimensional smile design and prediction were carried out. After the treatment plan was jointly determined by doctors and patients, minimally invasive abutment preparation was carried out, and ultrathin porcelain veneer was made and bonded in place. After the operation, the esthetic degree and marginal fit were observed and reexamined one year after the repair. Results The edges of the ultrathin ceramic veneers were naturally tight, and the color was coordinated, with satisfying pink and white esthetics. The face was more harmonious and natural when smiling. One year after the restoration, the facial aesthetics were wonderful, the abutment teeth and periodontal tissues were healthy, and the patients were satisfied. The results of the literature review showed that the fitting of temporal facial scanning and intraoral scanning data can accurately predict four-dimensional smile aesthetics, simulate the real state of the dynamic smile and pronunciation process, and combine it with facial streamlines to design a natural and coordinated personalized smile for patients with asymmetric faces. However, for patients with occlusal changes, unstable occlusion or temporomandibular joint disorder, it is necessary to add data fitting, such as electronic facial arch and cone beam CT, to more accurately simulate postoperative mandibular movement. Conclusion With a four-dimensional smile design as the leading and facial streamline as the reference system, the whole process digital design assisted the restoration of asymmetric anterior teeth with ultrathin porcelain veneer and had a good effect. The postoperative smiling of patients is harmonious and beautiful, which is in line with the expected effect. Patient participation and satisfaction are high; thus, this method is worthy of clinical promotion.
format	article
author	WANG Hao ZHANG Xidan REN Wei YUE Li GAN Xueqi
author_facet	WANG Hao ZHANG Xidan REN Wei YUE Li GAN Xueqi
author_sort	WANG Hao
title	Anterior aesthetic restoration with ultrathin porcelain veneers on asymmetric faces assisted by a four-dimensional smile design: a case report and literature review
title_short	Anterior aesthetic restoration with ultrathin porcelain veneers on asymmetric faces assisted by a four-dimensional smile design: a case report and literature review
title_full	Anterior aesthetic restoration with ultrathin porcelain veneers on asymmetric faces assisted by a four-dimensional smile design: a case report and literature review
title_fullStr	Anterior aesthetic restoration with ultrathin porcelain veneers on asymmetric faces assisted by a four-dimensional smile design: a case report and literature review
title_full_unstemmed	Anterior aesthetic restoration with ultrathin porcelain veneers on asymmetric faces assisted by a four-dimensional smile design: a case report and literature review
title_sort	anterior aesthetic restoration with ultrathin porcelain veneers on asymmetric faces assisted by a four-dimensional smile design: a case report and literature review
publisher	Editorial Department of Journal of Prevention and Treatment for Stomatological Diseases
publishDate	2022
url	https://doaj.org/article/10d398d477114d6995705390eabfeea5
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Anterior aesthetic restoration with ultrathin porcelain veneers on asymmetric faces assisted by a four-dimensional smile design: a case report and literature review

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