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Evaluation of golden percentage in natural maxillary anterior teeth width: A systematic review
The Journal of Prosthetic Dentistry ( IF 4.3 ) Pub Date : 2021-07-31 , DOI: 10.1016/j.prosdent.2021.06.015
Naseer Ahmed 1 , Mohamad Syahrizal Halim 2 , Shiza Khalid 3 , Zuryati Ab Ghani 4 , Nafij Bin Jamayet 5
Affiliation  

Statement of problem

The color and form of teeth are 2 of the 3 main determinants of success in an esthetic restoration; the third is dental proportion. A recent systematic review of the literature devoted to the evaluation of dental proportion is lacking.

Purpose

The purpose of this systematic review was to investigate the quality and outcome of studies into maxillary anterior tooth proportion and to determine whether dental proportion ratios based on different geographic regions are appropriate.

Material and methods

An electronic search was conducted using PubMed, MEDLINE, Google Scholar, Embase, Scopus, Cochrane Library, Web of Science, and Science Direct databases. English-language articles reporting with the specific combination of medical subject heading (MeSH) key words were analyzed by 2 investigators. The titles, full text, and abstracts were scanned by investigators independently to identify articles that fulfilled the inclusion criteria. The general characteristics, outcomes, and quality of each study were reviewed and analyzed systematically.

Results

The search plan resulted in a total of 73 articles until September 2020; of which, 16 articles fulfilling the inclusion criteria were selected. The geographic distribution of the selected article revealed 12 articles from Asia, 2 from Continental Europe, and 2 from the United Kingdom. Golden percentage values of 25%, 15%, and 10% for central, lateral incisor, and canine teeth were not found. The mean predicted dental percentage was either larger or smaller than the successive widths of maxillary natural anterior teeth.

Conclusions

The golden percentage could not be used to formulate a smile design. Rather, the dental ratios should be set on a racial and ethnic basis for a population.



中文翻译:

自然上颌前牙宽度黄金百分比的评价:系统评价

问题陈述

牙齿的颜色和形状是美学修复成功的 3 个主要决定因素中的 2 个;三是牙齿比例。最近缺乏对专门评估牙齿比例的文献的系统评价。

目的

本系统评价的目的是调查上颌前牙比例研究的质量和结果,并确定基于不同地理区域的牙齿比例是否合适。

材料与方法

使用 PubMed、MEDLINE、Google Scholar、Embase、Scopus、Cochrane 图书馆、Web of Science 和 Science Direct 数据库进行电子搜索。2 名研究人员分析了使用特定医学主题词 (MeSH) 关键词组合报告的英文文章。研究人员独立扫描标题、全文和摘要,以确定符合纳入标准的文章。对每项研究的一般特征、结果和质量进行了系统审查和分析。

结果

搜索计划到 2020 年 9 月共搜索到 73 篇文章;其中,16篇符合纳入标准的文章被选中。所选文章的地理分布显示亚洲有 12 篇文章,欧洲大陆有 2 篇,英国有 2 篇。未发现中切牙、侧切牙和犬牙的黄金百分比值分别为 25%、15% 和 10%。平均预测牙齿百分比大于或小于上颌天然前牙的连续宽度。

结论

黄金百分比不能用于制定微笑设计。相反,应该根据人口的种族和民族来设定牙齿比例。

更新日期:2021-07-31
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