Gender differences in patterns of second premolar agenesis observed in 4,756 individuals
Aim To elucidate intra- and inter-maxillary patterns of second premolar agenesis in the mandible and maxilla—including unilateral and/or bilateral occurrence and gender differences. Study design The study comprised panoramic radiographs from 4,756 children with and without orthodontic treatment need...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Kenrad, Jacob Breum [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2013 |
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| Schlagwörter: |
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| Anmerkung: |
© European Academy of Paediatric Dentistry 2013 |
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| Übergeordnetes Werk: |
Enthalten in: European archives of paediatric dentistry - Leeds : European Academy of Paediatric Dentistry, 2006, 14(2013), 6 vom: 01. Mai, Seite 397-403 |
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| Übergeordnetes Werk: |
volume:14 ; year:2013 ; number:6 ; day:01 ; month:05 ; pages:397-403 |
| Links: |
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| DOI / URN: |
10.1007/s40368-013-0041-8 |
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SPR036388831 |
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| 520 | |a Aim To elucidate intra- and inter-maxillary patterns of second premolar agenesis in the mandible and maxilla—including unilateral and/or bilateral occurrence and gender differences. Study design The study comprised panoramic radiographs from 4,756 children with and without orthodontic treatment needs. Methods All radiographs were screened twice. 251 individuals had agenesis of one or more mandibular and/or maxillary second premolars; 37 had agenesis of both mandibular and maxillary second premolars. Statistics Gender differences were analysed using χ² and Fisher’s exact test. Results 193 individuals had agenesis of one or both mandibular second premolars, while 95 had agenesis of one or both maxillary second premolars. In females, agenesis of left and right second premolars was significantly associated in both the mandible and in maxilla (p < 0.0001). In males, this association was only significant in the maxilla (p < 0.0001). Bilateral agenesis occurred almost twice as frequently in females. Unilateral agenesis in the maxilla occurred almost twice as frequently in females. The probability of finding second premolar agenesis in the maxilla was significantly greater in females than in males (p = 0.03). A significant association was seen between agenesis of tooth 25 and 35 in females and males combined (p = 0.03) and in males alone (p = 0.01). No significance was found between agenesis of tooth 15 and 45 in either females or males. Conclusions The study confirms some previous findings of second premolar agenesis and presents new observations on gender differences, especially concerning associations in agenesis occurrence within and between the jaws. | ||
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10.1007/s40368-013-0041-8 doi (DE-627)SPR036388831 (SPR)s40368-013-0041-8-e DE-627 ger DE-627 rakwb eng Kenrad, Jacob Breum verfasserin aut Gender differences in patterns of second premolar agenesis observed in 4,756 individuals 2013 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © European Academy of Paediatric Dentistry 2013 Aim To elucidate intra- and inter-maxillary patterns of second premolar agenesis in the mandible and maxilla—including unilateral and/or bilateral occurrence and gender differences. Study design The study comprised panoramic radiographs from 4,756 children with and without orthodontic treatment needs. Methods All radiographs were screened twice. 251 individuals had agenesis of one or more mandibular and/or maxillary second premolars; 37 had agenesis of both mandibular and maxillary second premolars. Statistics Gender differences were analysed using χ² and Fisher’s exact test. Results 193 individuals had agenesis of one or both mandibular second premolars, while 95 had agenesis of one or both maxillary second premolars. In females, agenesis of left and right second premolars was significantly associated in both the mandible and in maxilla (p < 0.0001). In males, this association was only significant in the maxilla (p < 0.0001). Bilateral agenesis occurred almost twice as frequently in females. Unilateral agenesis in the maxilla occurred almost twice as frequently in females. The probability of finding second premolar agenesis in the maxilla was significantly greater in females than in males (p = 0.03). A significant association was seen between agenesis of tooth 25 and 35 in females and males combined (p = 0.03) and in males alone (p = 0.01). No significance was found between agenesis of tooth 15 and 45 in either females or males. Conclusions The study confirms some previous findings of second premolar agenesis and presents new observations on gender differences, especially concerning associations in agenesis occurrence within and between the jaws. Tooth (dpeaa)DE-He213 Agenesis (dpeaa)DE-He213 Radiography (dpeaa)DE-He213 Gender (dpeaa)DE-He213 Trigeminal ganglia (dpeaa)DE-He213 Christensen, Ib Jarle aut Kjær, Inger aut Enthalten in European archives of paediatric dentistry Leeds : European Academy of Paediatric Dentistry, 2006 14(2013), 6 vom: 01. Mai, Seite 397-403 (DE-627)590957686 (DE-600)2477222-7 1996-9805 nnns volume:14 year:2013 number:6 day:01 month:05 pages:397-403 https://dx.doi.org/10.1007/s40368-013-0041-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 14 2013 6 01 05 397-403 |
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10.1007/s40368-013-0041-8 doi (DE-627)SPR036388831 (SPR)s40368-013-0041-8-e DE-627 ger DE-627 rakwb eng Kenrad, Jacob Breum verfasserin aut Gender differences in patterns of second premolar agenesis observed in 4,756 individuals 2013 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © European Academy of Paediatric Dentistry 2013 Aim To elucidate intra- and inter-maxillary patterns of second premolar agenesis in the mandible and maxilla—including unilateral and/or bilateral occurrence and gender differences. Study design The study comprised panoramic radiographs from 4,756 children with and without orthodontic treatment needs. Methods All radiographs were screened twice. 251 individuals had agenesis of one or more mandibular and/or maxillary second premolars; 37 had agenesis of both mandibular and maxillary second premolars. Statistics Gender differences were analysed using χ² and Fisher’s exact test. Results 193 individuals had agenesis of one or both mandibular second premolars, while 95 had agenesis of one or both maxillary second premolars. In females, agenesis of left and right second premolars was significantly associated in both the mandible and in maxilla (p < 0.0001). In males, this association was only significant in the maxilla (p < 0.0001). Bilateral agenesis occurred almost twice as frequently in females. Unilateral agenesis in the maxilla occurred almost twice as frequently in females. The probability of finding second premolar agenesis in the maxilla was significantly greater in females than in males (p = 0.03). A significant association was seen between agenesis of tooth 25 and 35 in females and males combined (p = 0.03) and in males alone (p = 0.01). No significance was found between agenesis of tooth 15 and 45 in either females or males. Conclusions The study confirms some previous findings of second premolar agenesis and presents new observations on gender differences, especially concerning associations in agenesis occurrence within and between the jaws. Tooth (dpeaa)DE-He213 Agenesis (dpeaa)DE-He213 Radiography (dpeaa)DE-He213 Gender (dpeaa)DE-He213 Trigeminal ganglia (dpeaa)DE-He213 Christensen, Ib Jarle aut Kjær, Inger aut Enthalten in European archives of paediatric dentistry Leeds : European Academy of Paediatric Dentistry, 2006 14(2013), 6 vom: 01. Mai, Seite 397-403 (DE-627)590957686 (DE-600)2477222-7 1996-9805 nnns volume:14 year:2013 number:6 day:01 month:05 pages:397-403 https://dx.doi.org/10.1007/s40368-013-0041-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 14 2013 6 01 05 397-403 |
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10.1007/s40368-013-0041-8 doi (DE-627)SPR036388831 (SPR)s40368-013-0041-8-e DE-627 ger DE-627 rakwb eng Kenrad, Jacob Breum verfasserin aut Gender differences in patterns of second premolar agenesis observed in 4,756 individuals 2013 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © European Academy of Paediatric Dentistry 2013 Aim To elucidate intra- and inter-maxillary patterns of second premolar agenesis in the mandible and maxilla—including unilateral and/or bilateral occurrence and gender differences. Study design The study comprised panoramic radiographs from 4,756 children with and without orthodontic treatment needs. Methods All radiographs were screened twice. 251 individuals had agenesis of one or more mandibular and/or maxillary second premolars; 37 had agenesis of both mandibular and maxillary second premolars. Statistics Gender differences were analysed using χ² and Fisher’s exact test. Results 193 individuals had agenesis of one or both mandibular second premolars, while 95 had agenesis of one or both maxillary second premolars. In females, agenesis of left and right second premolars was significantly associated in both the mandible and in maxilla (p < 0.0001). In males, this association was only significant in the maxilla (p < 0.0001). Bilateral agenesis occurred almost twice as frequently in females. Unilateral agenesis in the maxilla occurred almost twice as frequently in females. The probability of finding second premolar agenesis in the maxilla was significantly greater in females than in males (p = 0.03). A significant association was seen between agenesis of tooth 25 and 35 in females and males combined (p = 0.03) and in males alone (p = 0.01). No significance was found between agenesis of tooth 15 and 45 in either females or males. Conclusions The study confirms some previous findings of second premolar agenesis and presents new observations on gender differences, especially concerning associations in agenesis occurrence within and between the jaws. Tooth (dpeaa)DE-He213 Agenesis (dpeaa)DE-He213 Radiography (dpeaa)DE-He213 Gender (dpeaa)DE-He213 Trigeminal ganglia (dpeaa)DE-He213 Christensen, Ib Jarle aut Kjær, Inger aut Enthalten in European archives of paediatric dentistry Leeds : European Academy of Paediatric Dentistry, 2006 14(2013), 6 vom: 01. Mai, Seite 397-403 (DE-627)590957686 (DE-600)2477222-7 1996-9805 nnns volume:14 year:2013 number:6 day:01 month:05 pages:397-403 https://dx.doi.org/10.1007/s40368-013-0041-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 14 2013 6 01 05 397-403 |
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10.1007/s40368-013-0041-8 doi (DE-627)SPR036388831 (SPR)s40368-013-0041-8-e DE-627 ger DE-627 rakwb eng Kenrad, Jacob Breum verfasserin aut Gender differences in patterns of second premolar agenesis observed in 4,756 individuals 2013 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © European Academy of Paediatric Dentistry 2013 Aim To elucidate intra- and inter-maxillary patterns of second premolar agenesis in the mandible and maxilla—including unilateral and/or bilateral occurrence and gender differences. Study design The study comprised panoramic radiographs from 4,756 children with and without orthodontic treatment needs. Methods All radiographs were screened twice. 251 individuals had agenesis of one or more mandibular and/or maxillary second premolars; 37 had agenesis of both mandibular and maxillary second premolars. Statistics Gender differences were analysed using χ² and Fisher’s exact test. Results 193 individuals had agenesis of one or both mandibular second premolars, while 95 had agenesis of one or both maxillary second premolars. In females, agenesis of left and right second premolars was significantly associated in both the mandible and in maxilla (p < 0.0001). In males, this association was only significant in the maxilla (p < 0.0001). Bilateral agenesis occurred almost twice as frequently in females. Unilateral agenesis in the maxilla occurred almost twice as frequently in females. The probability of finding second premolar agenesis in the maxilla was significantly greater in females than in males (p = 0.03). A significant association was seen between agenesis of tooth 25 and 35 in females and males combined (p = 0.03) and in males alone (p = 0.01). No significance was found between agenesis of tooth 15 and 45 in either females or males. Conclusions The study confirms some previous findings of second premolar agenesis and presents new observations on gender differences, especially concerning associations in agenesis occurrence within and between the jaws. Tooth (dpeaa)DE-He213 Agenesis (dpeaa)DE-He213 Radiography (dpeaa)DE-He213 Gender (dpeaa)DE-He213 Trigeminal ganglia (dpeaa)DE-He213 Christensen, Ib Jarle aut Kjær, Inger aut Enthalten in European archives of paediatric dentistry Leeds : European Academy of Paediatric Dentistry, 2006 14(2013), 6 vom: 01. Mai, Seite 397-403 (DE-627)590957686 (DE-600)2477222-7 1996-9805 nnns volume:14 year:2013 number:6 day:01 month:05 pages:397-403 https://dx.doi.org/10.1007/s40368-013-0041-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 14 2013 6 01 05 397-403 |
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10.1007/s40368-013-0041-8 doi (DE-627)SPR036388831 (SPR)s40368-013-0041-8-e DE-627 ger DE-627 rakwb eng Kenrad, Jacob Breum verfasserin aut Gender differences in patterns of second premolar agenesis observed in 4,756 individuals 2013 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © European Academy of Paediatric Dentistry 2013 Aim To elucidate intra- and inter-maxillary patterns of second premolar agenesis in the mandible and maxilla—including unilateral and/or bilateral occurrence and gender differences. Study design The study comprised panoramic radiographs from 4,756 children with and without orthodontic treatment needs. Methods All radiographs were screened twice. 251 individuals had agenesis of one or more mandibular and/or maxillary second premolars; 37 had agenesis of both mandibular and maxillary second premolars. Statistics Gender differences were analysed using χ² and Fisher’s exact test. Results 193 individuals had agenesis of one or both mandibular second premolars, while 95 had agenesis of one or both maxillary second premolars. In females, agenesis of left and right second premolars was significantly associated in both the mandible and in maxilla (p < 0.0001). In males, this association was only significant in the maxilla (p < 0.0001). Bilateral agenesis occurred almost twice as frequently in females. Unilateral agenesis in the maxilla occurred almost twice as frequently in females. The probability of finding second premolar agenesis in the maxilla was significantly greater in females than in males (p = 0.03). A significant association was seen between agenesis of tooth 25 and 35 in females and males combined (p = 0.03) and in males alone (p = 0.01). No significance was found between agenesis of tooth 15 and 45 in either females or males. Conclusions The study confirms some previous findings of second premolar agenesis and presents new observations on gender differences, especially concerning associations in agenesis occurrence within and between the jaws. Tooth (dpeaa)DE-He213 Agenesis (dpeaa)DE-He213 Radiography (dpeaa)DE-He213 Gender (dpeaa)DE-He213 Trigeminal ganglia (dpeaa)DE-He213 Christensen, Ib Jarle aut Kjær, Inger aut Enthalten in European archives of paediatric dentistry Leeds : European Academy of Paediatric Dentistry, 2006 14(2013), 6 vom: 01. Mai, Seite 397-403 (DE-627)590957686 (DE-600)2477222-7 1996-9805 nnns volume:14 year:2013 number:6 day:01 month:05 pages:397-403 https://dx.doi.org/10.1007/s40368-013-0041-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 14 2013 6 01 05 397-403 |
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Enthalten in European archives of paediatric dentistry 14(2013), 6 vom: 01. Mai, Seite 397-403 volume:14 year:2013 number:6 day:01 month:05 pages:397-403 |
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Enthalten in European archives of paediatric dentistry 14(2013), 6 vom: 01. Mai, Seite 397-403 volume:14 year:2013 number:6 day:01 month:05 pages:397-403 |
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Kenrad, Jacob Breum @@aut@@ Christensen, Ib Jarle @@aut@@ Kjær, Inger @@aut@@ |
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Study design The study comprised panoramic radiographs from 4,756 children with and without orthodontic treatment needs. Methods All radiographs were screened twice. 251 individuals had agenesis of one or more mandibular and/or maxillary second premolars; 37 had agenesis of both mandibular and maxillary second premolars. Statistics Gender differences were analysed using χ² and Fisher’s exact test. Results 193 individuals had agenesis of one or both mandibular second premolars, while 95 had agenesis of one or both maxillary second premolars. In females, agenesis of left and right second premolars was significantly associated in both the mandible and in maxilla (p < 0.0001). In males, this association was only significant in the maxilla (p < 0.0001). Bilateral agenesis occurred almost twice as frequently in females. Unilateral agenesis in the maxilla occurred almost twice as frequently in females. The probability of finding second premolar agenesis in the maxilla was significantly greater in females than in males (p = 0.03). A significant association was seen between agenesis of tooth 25 and 35 in females and males combined (p = 0.03) and in males alone (p = 0.01). No significance was found between agenesis of tooth 15 and 45 in either females or males. 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Kenrad, Jacob Breum |
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Kenrad, Jacob Breum misc Tooth misc Agenesis misc Radiography misc Gender misc Trigeminal ganglia Gender differences in patterns of second premolar agenesis observed in 4,756 individuals |
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Gender differences in patterns of second premolar agenesis observed in 4,756 individuals Tooth (dpeaa)DE-He213 Agenesis (dpeaa)DE-He213 Radiography (dpeaa)DE-He213 Gender (dpeaa)DE-He213 Trigeminal ganglia (dpeaa)DE-He213 |
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Gender differences in patterns of second premolar agenesis observed in 4,756 individuals |
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Gender differences in patterns of second premolar agenesis observed in 4,756 individuals |
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gender differences in patterns of second premolar agenesis observed in 4,756 individuals |
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Gender differences in patterns of second premolar agenesis observed in 4,756 individuals |
| abstract |
Aim To elucidate intra- and inter-maxillary patterns of second premolar agenesis in the mandible and maxilla—including unilateral and/or bilateral occurrence and gender differences. Study design The study comprised panoramic radiographs from 4,756 children with and without orthodontic treatment needs. Methods All radiographs were screened twice. 251 individuals had agenesis of one or more mandibular and/or maxillary second premolars; 37 had agenesis of both mandibular and maxillary second premolars. Statistics Gender differences were analysed using χ² and Fisher’s exact test. Results 193 individuals had agenesis of one or both mandibular second premolars, while 95 had agenesis of one or both maxillary second premolars. In females, agenesis of left and right second premolars was significantly associated in both the mandible and in maxilla (p < 0.0001). In males, this association was only significant in the maxilla (p < 0.0001). Bilateral agenesis occurred almost twice as frequently in females. Unilateral agenesis in the maxilla occurred almost twice as frequently in females. The probability of finding second premolar agenesis in the maxilla was significantly greater in females than in males (p = 0.03). A significant association was seen between agenesis of tooth 25 and 35 in females and males combined (p = 0.03) and in males alone (p = 0.01). No significance was found between agenesis of tooth 15 and 45 in either females or males. Conclusions The study confirms some previous findings of second premolar agenesis and presents new observations on gender differences, especially concerning associations in agenesis occurrence within and between the jaws. © European Academy of Paediatric Dentistry 2013 |
| abstractGer |
Aim To elucidate intra- and inter-maxillary patterns of second premolar agenesis in the mandible and maxilla—including unilateral and/or bilateral occurrence and gender differences. Study design The study comprised panoramic radiographs from 4,756 children with and without orthodontic treatment needs. Methods All radiographs were screened twice. 251 individuals had agenesis of one or more mandibular and/or maxillary second premolars; 37 had agenesis of both mandibular and maxillary second premolars. Statistics Gender differences were analysed using χ² and Fisher’s exact test. Results 193 individuals had agenesis of one or both mandibular second premolars, while 95 had agenesis of one or both maxillary second premolars. In females, agenesis of left and right second premolars was significantly associated in both the mandible and in maxilla (p < 0.0001). In males, this association was only significant in the maxilla (p < 0.0001). Bilateral agenesis occurred almost twice as frequently in females. Unilateral agenesis in the maxilla occurred almost twice as frequently in females. The probability of finding second premolar agenesis in the maxilla was significantly greater in females than in males (p = 0.03). A significant association was seen between agenesis of tooth 25 and 35 in females and males combined (p = 0.03) and in males alone (p = 0.01). No significance was found between agenesis of tooth 15 and 45 in either females or males. Conclusions The study confirms some previous findings of second premolar agenesis and presents new observations on gender differences, especially concerning associations in agenesis occurrence within and between the jaws. © European Academy of Paediatric Dentistry 2013 |
| abstract_unstemmed |
Aim To elucidate intra- and inter-maxillary patterns of second premolar agenesis in the mandible and maxilla—including unilateral and/or bilateral occurrence and gender differences. Study design The study comprised panoramic radiographs from 4,756 children with and without orthodontic treatment needs. Methods All radiographs were screened twice. 251 individuals had agenesis of one or more mandibular and/or maxillary second premolars; 37 had agenesis of both mandibular and maxillary second premolars. Statistics Gender differences were analysed using χ² and Fisher’s exact test. Results 193 individuals had agenesis of one or both mandibular second premolars, while 95 had agenesis of one or both maxillary second premolars. In females, agenesis of left and right second premolars was significantly associated in both the mandible and in maxilla (p < 0.0001). In males, this association was only significant in the maxilla (p < 0.0001). Bilateral agenesis occurred almost twice as frequently in females. Unilateral agenesis in the maxilla occurred almost twice as frequently in females. The probability of finding second premolar agenesis in the maxilla was significantly greater in females than in males (p = 0.03). A significant association was seen between agenesis of tooth 25 and 35 in females and males combined (p = 0.03) and in males alone (p = 0.01). No significance was found between agenesis of tooth 15 and 45 in either females or males. Conclusions The study confirms some previous findings of second premolar agenesis and presents new observations on gender differences, especially concerning associations in agenesis occurrence within and between the jaws. © European Academy of Paediatric Dentistry 2013 |
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Gender differences in patterns of second premolar agenesis observed in 4,756 individuals |
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Christensen, Ib Jarle Kjær, Inger |
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10.1007/s40368-013-0041-8 |
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| score |
7.402669 |