A method of measuring the apical base
The maxillary and mandibular apical base areas were measured, using a gnathograph, on the study casts of 156 adults and children representing Class II division 1, Class II division 2 and Class III malocclusions. There were significant differences between the groups at each age. The maxillary apical...
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| Veröffentlicht in: | European journal of orthodontics 1996-10, Vol.18 (5), p.479-483 |
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| container_title | European journal of orthodontics |
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| creator | Sergl, H. G. Kerr, W. J. S. McColl, J. H. |
| description | The maxillary and mandibular apical base areas were measured, using a gnathograph, on the study casts of 156 adults and children representing Class II division 1, Class II division 2 and Class III malocclusions. There were significant differences between the groups at each age. The maxillary apical base areas tended to be smaller for the adults than for the children in all three occlusal classes. By contrast, the mandibular apical base areas tended to be larger for the adults than for the children, except in Class II division 1 malocclusion. Following a logarithmic transformation to stabilize the variance, regression lines were fitted to relate the size of the maxillary and mandibular apical bases to one another, for the malocclusion groups within each age group. The method gives additional information regarding the degree of apical base discrepancy in a given case, but more work is required before it can be used as a diagnostic tool. |
| doi_str_mv | 10.1093/ejo/18.5.479 |
| format | Article |
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The method gives additional information regarding the degree of apical base discrepancy in a given case, but more work is required before it can be used as a diagnostic tool.</description><identifier>ISSN: 0141-5387</identifier><identifier>EISSN: 1460-2210</identifier><identifier>DOI: 10.1093/ejo/18.5.479</identifier><identifier>PMID: 8942097</identifier><language>eng</language><publisher>England: Oxford University Press</publisher><subject>Adolescent ; Adult ; Age Factors ; Alveolar Process - pathology ; Analysis of Variance ; Cephalometry - methods ; Child ; Dental Arch - pathology ; Dental Models ; Dentistry ; Female ; Humans ; Linear Models ; Male ; Malocclusion, Angle Class II - pathology ; Malocclusion, Angle Class III - pathology ; Mandible - pathology ; Maxilla - pathology ; Regression Analysis ; Tooth Apex - pathology</subject><ispartof>European journal of orthodontics, 1996-10, Vol.18 (5), p.479-483</ispartof><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c362t-56659ae0fdaed57fa98f18714267529c4c3d9d67c2d798531a08c8595c8614d53</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/8942097$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Sergl, H. G.</creatorcontrib><creatorcontrib>Kerr, W. J. S.</creatorcontrib><creatorcontrib>McColl, J. H.</creatorcontrib><title>A method of measuring the apical base</title><title>European journal of orthodontics</title><addtitle>European Journal of Orthodontics</addtitle><description>The maxillary and mandibular apical base areas were measured, using a gnathograph, on the study casts of 156 adults and children representing Class II division 1, Class II division 2 and Class III malocclusions. There were significant differences between the groups at each age. The maxillary apical base areas tended to be smaller for the adults than for the children in all three occlusal classes. By contrast, the mandibular apical base areas tended to be larger for the adults than for the children, except in Class II division 1 malocclusion. Following a logarithmic transformation to stabilize the variance, regression lines were fitted to relate the size of the maxillary and mandibular apical bases to one another, for the malocclusion groups within each age group. The method gives additional information regarding the degree of apical base discrepancy in a given case, but more work is required before it can be used as a diagnostic tool.</description><subject>Adolescent</subject><subject>Adult</subject><subject>Age Factors</subject><subject>Alveolar Process - pathology</subject><subject>Analysis of Variance</subject><subject>Cephalometry - methods</subject><subject>Child</subject><subject>Dental Arch - pathology</subject><subject>Dental Models</subject><subject>Dentistry</subject><subject>Female</subject><subject>Humans</subject><subject>Linear Models</subject><subject>Male</subject><subject>Malocclusion, Angle Class II - pathology</subject><subject>Malocclusion, Angle Class III - pathology</subject><subject>Mandible - pathology</subject><subject>Maxilla - pathology</subject><subject>Regression Analysis</subject><subject>Tooth Apex - pathology</subject><issn>0141-5387</issn><issn>1460-2210</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1996</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNo9kM1LwzAYh4Moc05vXoVe9GS7pPl4k-MczgkDESaIl5Alqets15m0oP-9lY2d3heeh9_hQeia4IxgRcd-04yJzHjGQJ2gIWECp3lO8CkaYsJIyqmEc3QR4wZjTCWDARpIxXKsYIhuJ0nt23XjkqboPxO7UG4_k3btE7MrramSlYn-Ep0Vpor-6nBH6G32uJzO08XL0_N0skgtFXmbciG4Mh4XznjHoTBKFkQCYbkAnivLLHXKCbC5AyU5JQZLK7niVgrCHKcjdLff3YXmu_Ox1XUZra8qs_VNFzVIDoIA9OL9XrShiTH4Qu9CWZvwqwnW_1V0X0UTqbnuq_T6zWG3W9XeHeVDhp6ne17G1v8csQlfWgAFrufvH1otZ_x1zrB-oH9zLmn8</recordid><startdate>19961001</startdate><enddate>19961001</enddate><creator>Sergl, H. 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G.</creatorcontrib><creatorcontrib>Kerr, W. J. S.</creatorcontrib><creatorcontrib>McColl, J. H.</creatorcontrib><collection>Istex</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>European journal of orthodontics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sergl, H. G.</au><au>Kerr, W. J. S.</au><au>McColl, J. H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A method of measuring the apical base</atitle><jtitle>European journal of orthodontics</jtitle><addtitle>European Journal of Orthodontics</addtitle><date>1996-10-01</date><risdate>1996</risdate><volume>18</volume><issue>5</issue><spage>479</spage><epage>483</epage><pages>479-483</pages><issn>0141-5387</issn><eissn>1460-2210</eissn><abstract>The maxillary and mandibular apical base areas were measured, using a gnathograph, on the study casts of 156 adults and children representing Class II division 1, Class II division 2 and Class III malocclusions. There were significant differences between the groups at each age. The maxillary apical base areas tended to be smaller for the adults than for the children in all three occlusal classes. By contrast, the mandibular apical base areas tended to be larger for the adults than for the children, except in Class II division 1 malocclusion. Following a logarithmic transformation to stabilize the variance, regression lines were fitted to relate the size of the maxillary and mandibular apical bases to one another, for the malocclusion groups within each age group. The method gives additional information regarding the degree of apical base discrepancy in a given case, but more work is required before it can be used as a diagnostic tool.</abstract><cop>England</cop><pub>Oxford University Press</pub><pmid>8942097</pmid><doi>10.1093/ejo/18.5.479</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | European journal of orthodontics, 1996-10, Vol.18 (5), p.479-483 |
| issn | 0141-5387 1460-2210 |
| language | eng |
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| source | Oxford University Press Journals All Titles (1996-Current); MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Adolescent Adult Age Factors Alveolar Process - pathology Analysis of Variance Cephalometry - methods Child Dental Arch - pathology Dental Models Dentistry Female Humans Linear Models Male Malocclusion, Angle Class II - pathology Malocclusion, Angle Class III - pathology Mandible - pathology Maxilla - pathology Regression Analysis Tooth Apex - pathology |
| title | A method of measuring the apical base |
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