{"id":2609,"date":"2025-08-07T14:01:58","date_gmt":"2025-08-07T11:01:58","guid":{"rendered":"https:\/\/www.blgos.org\/?post_type=journal&#038;p=2609"},"modified":"2025-08-07T14:05:40","modified_gmt":"2025-08-07T11:05:40","slug":"a-critical-analysis-of-the-demirjian-and-willems-methods-for-estimating-dental-age-in-bulgarian-children","status":"publish","type":"journal","link":"https:\/\/www.blgos.org\/en\/journal\/a-critical-analysis-of-the-demirjian-and-willems-methods-for-estimating-dental-age-in-bulgarian-children\/","title":{"rendered":"A Critical Analysis of the Demirjian and Willems Methods for Estimating Dental Age in Bulgarian Children"},"content":{"rendered":"<p>There is a scarcity of studies dedicated to the estimation of dental age (da) among children in the local population in Bulgaria. This topic holds considerable importance for clinical orthodontic practice, particularly with regard to early diagnosis and effective treatment planning. Methods used to assess dental age offer high reliability and practical applicability in clinical settings. The Demirjian and Willems methods are among the most widely recognised and used for this purpose. While both demonstrate significant utility, each presents distinct strengths and limitations in the context of dental age estimation. Numerous studies indicate a strong temporal correlation between specific morphological indicators of skeletal maturity marking the onset of puberty and the degree of tooth germ calcification. This correlation facilitates a relatively straightforward estimation of an individual\u2019s growth potential based on dental age. The aim of this study is to critically evaluate and compare the Demirjian and Willems methods using data obtained from 25 Bulgarian children aged 7 to 12 years. In the literature, dental age assessment methods are generally divided into two categories: those suitable from birth to puberty and those applicable from puberty up to 20 years of age. Both the Demirjian and Willems methods are considered appropriate and reliable for the age group examined in this study. Keywords: assessment methods, critical analysis, dental age, children, orthodontics, diagnostics.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false},"issue":[23],"class_list":["post-2609","journal","type-journal","status-publish","hentry","issue-2025-27-01"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>A Critical Analysis of the Demirjian and Willems Methods for Estimating Dental Age in Bulgarian Children - Bulgarian Orthodontic Society<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.blgos.org\/en\/journal\/a-critical-analysis-of-the-demirjian-and-willems-methods-for-estimating-dental-age-in-bulgarian-children\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A Critical Analysis of the Demirjian and Willems Methods for Estimating Dental Age in Bulgarian Children - Bulgarian Orthodontic Society\" \/>\n<meta property=\"og:description\" content=\"There is a scarcity of studies dedicated to the estimation of dental age (da) among children in the local population in Bulgaria. This topic [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.blgos.org\/en\/journal\/a-critical-analysis-of-the-demirjian-and-willems-methods-for-estimating-dental-age-in-bulgarian-children\/\" \/>\n<meta property=\"og:site_name\" content=\"Bulgarian Orthodontic Society\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-07T11:05:40+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.blgos.org\\\/en\\\/journal\\\/a-critical-analysis-of-the-demirjian-and-willems-methods-for-estimating-dental-age-in-bulgarian-children\\\/\",\"url\":\"https:\\\/\\\/www.blgos.org\\\/en\\\/journal\\\/a-critical-analysis-of-the-demirjian-and-willems-methods-for-estimating-dental-age-in-bulgarian-children\\\/\",\"name\":\"A Critical Analysis of the Demirjian and Willems Methods for Estimating Dental Age in Bulgarian Children - Bulgarian Orthodontic Society\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.blgos.org\\\/en\\\/#website\"},\"datePublished\":\"2025-08-07T11:01:58+00:00\",\"dateModified\":\"2025-08-07T11:05:40+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.blgos.org\\\/en\\\/journal\\\/a-critical-analysis-of-the-demirjian-and-willems-methods-for-estimating-dental-age-in-bulgarian-children\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.blgos.org\\\/en\\\/journal\\\/a-critical-analysis-of-the-demirjian-and-willems-methods-for-estimating-dental-age-in-bulgarian-children\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.blgos.org\\\/en\\\/journal\\\/a-critical-analysis-of-the-demirjian-and-willems-methods-for-estimating-dental-age-in-bulgarian-children\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u041d\u0430\u0447\u0430\u043b\u043e\",\"item\":\"https:\\\/\\\/www.blgos.org\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"A Critical Analysis of the Demirjian and Willems Methods for Estimating Dental Age in Bulgarian Children\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.blgos.org\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/www.blgos.org\\\/en\\\/\",\"name\":\"\u0411\u044a\u043b\u0433\u0430\u0440\u0441\u043a\u043e \u041e\u0440\u0442\u043e\u0434\u043e\u043d\u0441\u043a\u043e \u041e\u0431\u0448\u0435\u0441\u0442\u0432\u043e\",\"description\":\"\u0411\u041e\u041e \u0435 \u0434\u043e\u0431\u0440\u043e\u0432\u043e\u043b\u043d\u043e \u043e\u0431\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435 \u043d\u0430 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0441\u0442\u0438\u0442\u0435-\u043e\u0440\u0442\u043e\u0434\u043e\u043d\u0442\u0438 \u0438 \u043b\u0435\u043a\u0430\u0440\u0438\u0442\u0435 \u043f\u043e \u0434\u0435\u043d\u0442\u0430\u043b\u043d\u0430 \u043c\u0435\u0434\u0438\u0446\u0438\u043d\u0430 - \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u0443\u0432\u0430\u0449\u0438 \u0438\u043b\u0438 \u0441 \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u0438 \u0432 \u043e\u0431\u043b\u0430\u0441\u0442\u0442\u0430 \u043d\u0430 \u043e\u0440\u0442\u043e\u0434\u043e\u043d\u0442\u0438\u044f\u0442\u0430\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.blgos.org\\\/en\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.blgos.org\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.blgos.org\\\/en\\\/#organization\",\"name\":\"Bulgarian Orthodontic Society\",\"url\":\"https:\\\/\\\/www.blgos.org\\\/en\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.blgos.org\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.blgos.org\\\/wp-content\\\/uploads\\\/2023\\\/06\\\/BlgOS-en-logo.png\",\"contentUrl\":\"https:\\\/\\\/www.blgos.org\\\/wp-content\\\/uploads\\\/2023\\\/06\\\/BlgOS-en-logo.png\",\"width\":512,\"height\":156,\"caption\":\"Bulgarian Orthodontic Society\"},\"image\":{\"@id\":\"https:\\\/\\\/www.blgos.org\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"A Critical Analysis of the Demirjian and Willems Methods for Estimating Dental Age in Bulgarian Children - Bulgarian Orthodontic Society","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.blgos.org\/en\/journal\/a-critical-analysis-of-the-demirjian-and-willems-methods-for-estimating-dental-age-in-bulgarian-children\/","og_locale":"en_US","og_type":"article","og_title":"A Critical Analysis of the Demirjian and Willems Methods for Estimating Dental Age in Bulgarian Children - Bulgarian Orthodontic Society","og_description":"There is a scarcity of studies dedicated to the estimation of dental age (da) among children in the local population in Bulgaria. This topic [&hellip;]","og_url":"https:\/\/www.blgos.org\/en\/journal\/a-critical-analysis-of-the-demirjian-and-willems-methods-for-estimating-dental-age-in-bulgarian-children\/","og_site_name":"Bulgarian Orthodontic Society","article_modified_time":"2025-08-07T11:05:40+00:00","twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.blgos.org\/en\/journal\/a-critical-analysis-of-the-demirjian-and-willems-methods-for-estimating-dental-age-in-bulgarian-children\/","url":"https:\/\/www.blgos.org\/en\/journal\/a-critical-analysis-of-the-demirjian-and-willems-methods-for-estimating-dental-age-in-bulgarian-children\/","name":"A Critical Analysis of the Demirjian and Willems Methods for Estimating Dental Age in Bulgarian Children - Bulgarian Orthodontic Society","isPartOf":{"@id":"https:\/\/www.blgos.org\/en\/#website"},"datePublished":"2025-08-07T11:01:58+00:00","dateModified":"2025-08-07T11:05:40+00:00","breadcrumb":{"@id":"https:\/\/www.blgos.org\/en\/journal\/a-critical-analysis-of-the-demirjian-and-willems-methods-for-estimating-dental-age-in-bulgarian-children\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.blgos.org\/en\/journal\/a-critical-analysis-of-the-demirjian-and-willems-methods-for-estimating-dental-age-in-bulgarian-children\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.blgos.org\/en\/journal\/a-critical-analysis-of-the-demirjian-and-willems-methods-for-estimating-dental-age-in-bulgarian-children\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u041d\u0430\u0447\u0430\u043b\u043e","item":"https:\/\/www.blgos.org\/en\/"},{"@type":"ListItem","position":2,"name":"A Critical Analysis of the Demirjian and Willems Methods for Estimating Dental Age in Bulgarian Children"}]},{"@type":"WebSite","@id":"https:\/\/www.blgos.org\/en\/#website","url":"https:\/\/www.blgos.org\/en\/","name":"\u0411\u044a\u043b\u0433\u0430\u0440\u0441\u043a\u043e \u041e\u0440\u0442\u043e\u0434\u043e\u043d\u0441\u043a\u043e \u041e\u0431\u0448\u0435\u0441\u0442\u0432\u043e","description":"\u0411\u041e\u041e \u0435 \u0434\u043e\u0431\u0440\u043e\u0432\u043e\u043b\u043d\u043e \u043e\u0431\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435 \u043d\u0430 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0441\u0442\u0438\u0442\u0435-\u043e\u0440\u0442\u043e\u0434\u043e\u043d\u0442\u0438 \u0438 \u043b\u0435\u043a\u0430\u0440\u0438\u0442\u0435 \u043f\u043e \u0434\u0435\u043d\u0442\u0430\u043b\u043d\u0430 \u043c\u0435\u0434\u0438\u0446\u0438\u043d\u0430 - \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u0443\u0432\u0430\u0449\u0438 \u0438\u043b\u0438 \u0441 \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u0438 \u0432 \u043e\u0431\u043b\u0430\u0441\u0442\u0442\u0430 \u043d\u0430 \u043e\u0440\u0442\u043e\u0434\u043e\u043d\u0442\u0438\u044f\u0442\u0430","publisher":{"@id":"https:\/\/www.blgos.org\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.blgos.org\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.blgos.org\/en\/#organization","name":"Bulgarian Orthodontic Society","url":"https:\/\/www.blgos.org\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.blgos.org\/en\/#\/schema\/logo\/image\/","url":"https:\/\/www.blgos.org\/wp-content\/uploads\/2023\/06\/BlgOS-en-logo.png","contentUrl":"https:\/\/www.blgos.org\/wp-content\/uploads\/2023\/06\/BlgOS-en-logo.png","width":512,"height":156,"caption":"Bulgarian Orthodontic Society"},"image":{"@id":"https:\/\/www.blgos.org\/en\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/www.blgos.org\/en\/wp-json\/wp\/v2\/journal\/2609","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.blgos.org\/en\/wp-json\/wp\/v2\/journal"}],"about":[{"href":"https:\/\/www.blgos.org\/en\/wp-json\/wp\/v2\/types\/journal"}],"wp:attachment":[{"href":"https:\/\/www.blgos.org\/en\/wp-json\/wp\/v2\/media?parent=2609"}],"wp:term":[{"taxonomy":"issue","embeddable":true,"href":"https:\/\/www.blgos.org\/en\/wp-json\/wp\/v2\/issue?post=2609"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}