A study on the color distribution of natural teeth by age and gender in the Korean population with an intraoral spectrophotometer
Objective To investigate the distribution of natural tooth shades by age and gender in the Korean population with a spectrophotometer. Material and Methods A total of 674 human subjects were recruited and divided into three age groups; young (16‐30), middle (31‐59), and elderly (60‐89). Each group w...
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| Veröffentlicht in: | Journal of esthetic and restorative dentistry 2018-09, Vol.30 (5), p.408-414 |
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| container_title | Journal of esthetic and restorative dentistry |
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| creator | Kim, Hee‐Kyung |
| description | Objective
To investigate the distribution of natural tooth shades by age and gender in the Korean population with a spectrophotometer.
Material and Methods
A total of 674 human subjects were recruited and divided into three age groups; young (16‐30), middle (31‐59), and elderly (60‐89). Each group was then subdivided according to gender. Color was measured on the upper central incisor and CIELab color coordinates were obtained. CIEDE2000 color differences (
ΔE00) between genders within each age group and between age groups for both genders were calculated. Two‐way analysis of variance (ANOVA) was used to identify the influence of age and gender on each color variable.
Results
The most frequent color in the Korean population was 2L1.5. L* values decreased, while b* values increased with age (P |
| doi_str_mv | 10.1111/jerd.12424 |
| format | Article |
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To investigate the distribution of natural tooth shades by age and gender in the Korean population with a spectrophotometer.
Material and Methods
A total of 674 human subjects were recruited and divided into three age groups; young (16‐30), middle (31‐59), and elderly (60‐89). Each group was then subdivided according to gender. Color was measured on the upper central incisor and CIELab color coordinates were obtained. CIEDE2000 color differences (
ΔE00) between genders within each age group and between age groups for both genders were calculated. Two‐way analysis of variance (ANOVA) was used to identify the influence of age and gender on each color variable.
Results
The most frequent color in the Korean population was 2L1.5. L* values decreased, while b* values increased with age (P < .05). There was a significant interaction between gender and age on b* values; F (2668) = 3.489, P = .031, partial η2 = 0.010, and observed power = 0.652. Females generally have lighter and less chromatic central incisors compared to males. The
ΔE00 values between genders in elderly groups were beyond acceptability threshold.
Conclusions
The central incisors were getting darker, more yellowish, and reddish with age. Information on the chromatic range of natural teeth by age and gender could help to select colors for esthetic dental restorations.
Clinical Significance
Dentists should consider an unacceptable color mismatch between the restorations and natural dentition that can occur over time.</description><identifier>ISSN: 1496-4155</identifier><identifier>EISSN: 1708-8240</identifier><identifier>DOI: 10.1111/jerd.12424</identifier><identifier>PMID: 30267604</identifier><language>eng</language><publisher>Hoboken, USA: John Wiley & Sons, Inc</publisher><subject>Age ; Color ; Dental restorative materials ; Dentistry ; Dentition ; Gender ; Geriatrics ; Incisors ; population ; Studies ; Teeth ; tooth ; Variance analysis</subject><ispartof>Journal of esthetic and restorative dentistry, 2018-09, Vol.30 (5), p.408-414</ispartof><rights>2018 Wiley Periodicals, Inc.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3574-d8d5a4384f572d245adde50eaf1af5aaea752415a532b5ce63e29b720d1810d23</citedby><cites>FETCH-LOGICAL-c3574-d8d5a4384f572d245adde50eaf1af5aaea752415a532b5ce63e29b720d1810d23</cites><orcidid>0000-0002-9079-6086</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fjerd.12424$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fjerd.12424$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/30267604$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Kim, Hee‐Kyung</creatorcontrib><title>A study on the color distribution of natural teeth by age and gender in the Korean population with an intraoral spectrophotometer</title><title>Journal of esthetic and restorative dentistry</title><addtitle>J Esthet Restor Dent</addtitle><description>Objective
To investigate the distribution of natural tooth shades by age and gender in the Korean population with a spectrophotometer.
Material and Methods
A total of 674 human subjects were recruited and divided into three age groups; young (16‐30), middle (31‐59), and elderly (60‐89). Each group was then subdivided according to gender. Color was measured on the upper central incisor and CIELab color coordinates were obtained. CIEDE2000 color differences (
ΔE00) between genders within each age group and between age groups for both genders were calculated. Two‐way analysis of variance (ANOVA) was used to identify the influence of age and gender on each color variable.
Results
The most frequent color in the Korean population was 2L1.5. L* values decreased, while b* values increased with age (P < .05). There was a significant interaction between gender and age on b* values; F (2668) = 3.489, P = .031, partial η2 = 0.010, and observed power = 0.652. Females generally have lighter and less chromatic central incisors compared to males. The
ΔE00 values between genders in elderly groups were beyond acceptability threshold.
Conclusions
The central incisors were getting darker, more yellowish, and reddish with age. Information on the chromatic range of natural teeth by age and gender could help to select colors for esthetic dental restorations.
Clinical Significance
Dentists should consider an unacceptable color mismatch between the restorations and natural dentition that can occur over time.</description><subject>Age</subject><subject>Color</subject><subject>Dental restorative materials</subject><subject>Dentistry</subject><subject>Dentition</subject><subject>Gender</subject><subject>Geriatrics</subject><subject>Incisors</subject><subject>population</subject><subject>Studies</subject><subject>Teeth</subject><subject>tooth</subject><subject>Variance analysis</subject><issn>1496-4155</issn><issn>1708-8240</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp9kU1r3DAQhkVI6G63vfQHBEEupeBEkiV_HJfN9isLgZKczdgaZ7V4LUeSCXvsP682TnrIIbqMGJ55kOYl5Atnlzyeqx06fcmFFPKEzHnOiqQQkp3GuyyzRHKlZuSj9zvGuMrL_AOZpUxkecbknPxdUh9GfaC2p2GLtLGddVQbH5ypx2Bi27a0hzA66GhADFtaHyg8IIVe0wfsNTpqpuEb6xB6Othh7OB59slEPrZMHxzYo8IP2ARnh60Ndo8B3Sdy1kLn8fNLXZD77-u71c9kc_vj12q5SZpU5TLRhVYg00K2KhdaSAVao2IILYdWASDkSsS_gkpFrRrMUhRlnQumecGZFumCfJ28g7OPI_pQ7Y1vsOugRzv6SnAus7KMe4zoxRt0Z0fXx9dFSmQFk4qxSH2bqMZZ7x221eDMHtyh4qw6BlMdg6meg4nw-YtyrPeo_6OvSUSAT8CT6fDwjqr6vf5zPUn_Ab6vma8</recordid><startdate>201809</startdate><enddate>201809</enddate><creator>Kim, Hee‐Kyung</creator><general>John Wiley & Sons, Inc</general><general>Blackwell Publishing Ltd</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QP</scope><scope>K9.</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-9079-6086</orcidid></search><sort><creationdate>201809</creationdate><title>A study on the color distribution of natural teeth by age and gender in the Korean population with an intraoral spectrophotometer</title><author>Kim, Hee‐Kyung</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3574-d8d5a4384f572d245adde50eaf1af5aaea752415a532b5ce63e29b720d1810d23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Age</topic><topic>Color</topic><topic>Dental restorative materials</topic><topic>Dentistry</topic><topic>Dentition</topic><topic>Gender</topic><topic>Geriatrics</topic><topic>Incisors</topic><topic>population</topic><topic>Studies</topic><topic>Teeth</topic><topic>tooth</topic><topic>Variance analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kim, Hee‐Kyung</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of esthetic and restorative dentistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kim, Hee‐Kyung</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A study on the color distribution of natural teeth by age and gender in the Korean population with an intraoral spectrophotometer</atitle><jtitle>Journal of esthetic and restorative dentistry</jtitle><addtitle>J Esthet Restor Dent</addtitle><date>2018-09</date><risdate>2018</risdate><volume>30</volume><issue>5</issue><spage>408</spage><epage>414</epage><pages>408-414</pages><issn>1496-4155</issn><eissn>1708-8240</eissn><abstract>Objective
To investigate the distribution of natural tooth shades by age and gender in the Korean population with a spectrophotometer.
Material and Methods
A total of 674 human subjects were recruited and divided into three age groups; young (16‐30), middle (31‐59), and elderly (60‐89). Each group was then subdivided according to gender. Color was measured on the upper central incisor and CIELab color coordinates were obtained. CIEDE2000 color differences (
ΔE00) between genders within each age group and between age groups for both genders were calculated. Two‐way analysis of variance (ANOVA) was used to identify the influence of age and gender on each color variable.
Results
The most frequent color in the Korean population was 2L1.5. L* values decreased, while b* values increased with age (P < .05). There was a significant interaction between gender and age on b* values; F (2668) = 3.489, P = .031, partial η2 = 0.010, and observed power = 0.652. Females generally have lighter and less chromatic central incisors compared to males. The
ΔE00 values between genders in elderly groups were beyond acceptability threshold.
Conclusions
The central incisors were getting darker, more yellowish, and reddish with age. Information on the chromatic range of natural teeth by age and gender could help to select colors for esthetic dental restorations.
Clinical Significance
Dentists should consider an unacceptable color mismatch between the restorations and natural dentition that can occur over time.</abstract><cop>Hoboken, USA</cop><pub>John Wiley & Sons, Inc</pub><pmid>30267604</pmid><doi>10.1111/jerd.12424</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0002-9079-6086</orcidid></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1496-4155 |
| ispartof | Journal of esthetic and restorative dentistry, 2018-09, Vol.30 (5), p.408-414 |
| issn | 1496-4155 1708-8240 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_2114699124 |
| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Age Color Dental restorative materials Dentistry Dentition Gender Geriatrics Incisors population Studies Teeth tooth Variance analysis |
| title | A study on the color distribution of natural teeth by age and gender in the Korean population with an intraoral spectrophotometer |
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