The safety zone for mini-implant maxillary anchorage in Mongoloids
Aim: This study aimed to establish a safety zone for the placement of mini-implants in the buccal surface between the second maxillary premolar (PM2) and first maxillary molar (M1) of Mongoloids. Methods: Thirty-two digital orthopantomograms of Mongoloids were selected and the interdental distance b...
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| Veröffentlicht in: | Australian orthodontic journal 2012-05, Vol.28 (1), p.17-21 |
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| creator | Wey, Mang Chek Shim, Chung Nam Lee, Meng Yit Jamaluddin, Marhazlinda Ngeow, Wei Cheong |
| description | Aim: This study aimed to establish a safety zone for the placement of mini-implants in the buccal surface between the second maxillary premolar (PM2) and first maxillary molar (M1) of Mongoloids.
Methods: Thirty-two digital orthopantomograms of Mongoloids were selected and the interdental distance between the second premolar and first molar at 2, 5, 8 and 11 mm from the cemento-enamel junction (CEJ) was measured. The distance between the PM2 and M1 root apices and from the apices to the maxillary sinus was also determined.
Results: The average width (mm) at 2 mm was 2.58 +- 0.53; 5 mm was 3.47 +- 0.61; 8 mm was 4.00 +- 0.74, 11 mm was 4.36 +- 0.71 and the distance between the apices was 7.49 +- 0.79. Only half of the samples were measured at 11 mm, as many of the root apices were superimposed over the maxillary sinus. The measurement (mm) from PM2 root apex to the sinus was -0.18 +- 1.56, from the mesiobuccal root apex of M1 (MB1) to the sinus was -1.94 +- 1.70 and from the midpoint between their apices to the sinus was -2.96 +- 2.06 (superimposed on the sinus).
Conclusion: The safest area to place mini-implants between the second premolar and the first molar in the maxilla of Mongoloids is between 5 to 8 mm above the CEJ. |
| format | Article |
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Methods: Thirty-two digital orthopantomograms of Mongoloids were selected and the interdental distance between the second premolar and first molar at 2, 5, 8 and 11 mm from the cemento-enamel junction (CEJ) was measured. The distance between the PM2 and M1 root apices and from the apices to the maxillary sinus was also determined.
Results: The average width (mm) at 2 mm was 2.58 +- 0.53; 5 mm was 3.47 +- 0.61; 8 mm was 4.00 +- 0.74, 11 mm was 4.36 +- 0.71 and the distance between the apices was 7.49 +- 0.79. Only half of the samples were measured at 11 mm, as many of the root apices were superimposed over the maxillary sinus. The measurement (mm) from PM2 root apex to the sinus was -0.18 +- 1.56, from the mesiobuccal root apex of M1 (MB1) to the sinus was -1.94 +- 1.70 and from the midpoint between their apices to the sinus was -2.96 +- 2.06 (superimposed on the sinus).
Conclusion: The safest area to place mini-implants between the second premolar and the first molar in the maxilla of Mongoloids is between 5 to 8 mm above the CEJ.</description><identifier>ISSN: 0587-3908</identifier><identifier>PMID: 22866589</identifier><language>eng</language><publisher>Australia</publisher><subject>Alveolar Process - anatomy & histology ; Alveolar Process - surgery ; Asian Continental Ancestry Group ; Bicuspid ; Dental Arch - anatomy & histology ; Dental enamel ; Dental Implants ; Dentistry ; Humans ; Maxilla ; Maxillary sinus ; Molar ; Odontometry ; Orthodontic Anchorage Procedures - instrumentation ; Radiography, Panoramic ; Tooth Apex - anatomy & histology</subject><ispartof>Australian orthodontic journal, 2012-05, Vol.28 (1), p.17-21</ispartof><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,777,781</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22866589$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Wey, Mang Chek</creatorcontrib><creatorcontrib>Shim, Chung Nam</creatorcontrib><creatorcontrib>Lee, Meng Yit</creatorcontrib><creatorcontrib>Jamaluddin, Marhazlinda</creatorcontrib><creatorcontrib>Ngeow, Wei Cheong</creatorcontrib><title>The safety zone for mini-implant maxillary anchorage in Mongoloids</title><title>Australian orthodontic journal</title><addtitle>Aust Orthod J</addtitle><description>Aim: This study aimed to establish a safety zone for the placement of mini-implants in the buccal surface between the second maxillary premolar (PM2) and first maxillary molar (M1) of Mongoloids.
Methods: Thirty-two digital orthopantomograms of Mongoloids were selected and the interdental distance between the second premolar and first molar at 2, 5, 8 and 11 mm from the cemento-enamel junction (CEJ) was measured. The distance between the PM2 and M1 root apices and from the apices to the maxillary sinus was also determined.
Results: The average width (mm) at 2 mm was 2.58 +- 0.53; 5 mm was 3.47 +- 0.61; 8 mm was 4.00 +- 0.74, 11 mm was 4.36 +- 0.71 and the distance between the apices was 7.49 +- 0.79. Only half of the samples were measured at 11 mm, as many of the root apices were superimposed over the maxillary sinus. The measurement (mm) from PM2 root apex to the sinus was -0.18 +- 1.56, from the mesiobuccal root apex of M1 (MB1) to the sinus was -1.94 +- 1.70 and from the midpoint between their apices to the sinus was -2.96 +- 2.06 (superimposed on the sinus).
Conclusion: The safest area to place mini-implants between the second premolar and the first molar in the maxilla of Mongoloids is between 5 to 8 mm above the CEJ.</description><subject>Alveolar Process - anatomy & histology</subject><subject>Alveolar Process - surgery</subject><subject>Asian Continental Ancestry Group</subject><subject>Bicuspid</subject><subject>Dental Arch - anatomy & histology</subject><subject>Dental enamel</subject><subject>Dental Implants</subject><subject>Dentistry</subject><subject>Humans</subject><subject>Maxilla</subject><subject>Maxillary sinus</subject><subject>Molar</subject><subject>Odontometry</subject><subject>Orthodontic Anchorage Procedures - instrumentation</subject><subject>Radiography, Panoramic</subject><subject>Tooth Apex - anatomy & histology</subject><issn>0587-3908</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpFkE9LAzEQxXNQbKn9CpKjl4VNZpPdHLX4DypeKngL2TRpU3aTNdmC9dOb0hbnMgPvx8x7c4WmJWvqAkTZTNA8pV2Zi1NeEXKDJpQ2nLNGTNHjamtwUtaMB_wbvME2RNw77wrXD53yI-7Vj-s6FQ9Yeb0NUW0Mdh6_B78JXXDrdIuureqSmZ_7DH0-P60Wr8Xy4-Vt8bAsBiroWPCGCFG1HFoirGlA09pqCiJPDEhlqW2tBt5ypmz2VomKEU2otpYTIloNM3R_2jvE8L03aZS9S9pkb96EfZKkBFoD47TK6N0Z3be9Wcshuj4nkJfcGfg6AbF3o9Sh64weXfBpp8Ykk1FRb6Xz-RlHPcSNXAcnVXu8IgEI_xcFL2tWgwDBGdQN_AEaMHJ8</recordid><startdate>20120501</startdate><enddate>20120501</enddate><creator>Wey, Mang Chek</creator><creator>Shim, Chung Nam</creator><creator>Lee, Meng Yit</creator><creator>Jamaluddin, Marhazlinda</creator><creator>Ngeow, Wei Cheong</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7X8</scope></search><sort><creationdate>20120501</creationdate><title>The safety zone for mini-implant maxillary anchorage in Mongoloids</title><author>Wey, Mang Chek ; Shim, Chung Nam ; Lee, Meng Yit ; Jamaluddin, Marhazlinda ; Ngeow, Wei Cheong</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p292t-681994b63b19fe83c27fc23983c5314f2fbfc36b65af65849451c12cff6119bc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Alveolar Process - anatomy & histology</topic><topic>Alveolar Process - surgery</topic><topic>Asian Continental Ancestry Group</topic><topic>Bicuspid</topic><topic>Dental Arch - anatomy & histology</topic><topic>Dental enamel</topic><topic>Dental Implants</topic><topic>Dentistry</topic><topic>Humans</topic><topic>Maxilla</topic><topic>Maxillary sinus</topic><topic>Molar</topic><topic>Odontometry</topic><topic>Orthodontic Anchorage Procedures - instrumentation</topic><topic>Radiography, Panoramic</topic><topic>Tooth Apex - anatomy & histology</topic><toplevel>online_resources</toplevel><creatorcontrib>Wey, Mang Chek</creatorcontrib><creatorcontrib>Shim, Chung Nam</creatorcontrib><creatorcontrib>Lee, Meng Yit</creatorcontrib><creatorcontrib>Jamaluddin, Marhazlinda</creatorcontrib><creatorcontrib>Ngeow, Wei Cheong</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>MEDLINE - Academic</collection><jtitle>Australian orthodontic journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wey, Mang Chek</au><au>Shim, Chung Nam</au><au>Lee, Meng Yit</au><au>Jamaluddin, Marhazlinda</au><au>Ngeow, Wei Cheong</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The safety zone for mini-implant maxillary anchorage in Mongoloids</atitle><jtitle>Australian orthodontic journal</jtitle><addtitle>Aust Orthod J</addtitle><date>2012-05-01</date><risdate>2012</risdate><volume>28</volume><issue>1</issue><spage>17</spage><epage>21</epage><pages>17-21</pages><issn>0587-3908</issn><abstract>Aim: This study aimed to establish a safety zone for the placement of mini-implants in the buccal surface between the second maxillary premolar (PM2) and first maxillary molar (M1) of Mongoloids.
Methods: Thirty-two digital orthopantomograms of Mongoloids were selected and the interdental distance between the second premolar and first molar at 2, 5, 8 and 11 mm from the cemento-enamel junction (CEJ) was measured. The distance between the PM2 and M1 root apices and from the apices to the maxillary sinus was also determined.
Results: The average width (mm) at 2 mm was 2.58 +- 0.53; 5 mm was 3.47 +- 0.61; 8 mm was 4.00 +- 0.74, 11 mm was 4.36 +- 0.71 and the distance between the apices was 7.49 +- 0.79. Only half of the samples were measured at 11 mm, as many of the root apices were superimposed over the maxillary sinus. The measurement (mm) from PM2 root apex to the sinus was -0.18 +- 1.56, from the mesiobuccal root apex of M1 (MB1) to the sinus was -1.94 +- 1.70 and from the midpoint between their apices to the sinus was -2.96 +- 2.06 (superimposed on the sinus).
Conclusion: The safest area to place mini-implants between the second premolar and the first molar in the maxilla of Mongoloids is between 5 to 8 mm above the CEJ.</abstract><cop>Australia</cop><pmid>22866589</pmid><tpages>5</tpages></addata></record> |
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| ispartof | Australian orthodontic journal, 2012-05, Vol.28 (1), p.17-21 |
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| source | MEDLINE; Alma/SFX Local Collection |
| subjects | Alveolar Process - anatomy & histology Alveolar Process - surgery Asian Continental Ancestry Group Bicuspid Dental Arch - anatomy & histology Dental enamel Dental Implants Dentistry Humans Maxilla Maxillary sinus Molar Odontometry Orthodontic Anchorage Procedures - instrumentation Radiography, Panoramic Tooth Apex - anatomy & histology |
| title | The safety zone for mini-implant maxillary anchorage in Mongoloids |
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