?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=A+radiographic+study+on+the+visualization+of+the+anterior+loop+in+dentate+subjects+of+different+age+groups&rft.creator=Ngeow%2C+Dr.+W.C.&rft.creator=Dionysius%2C+D.+D.&rft.creator=Ishak%2C+H.&rft.creator=Nambiar%2C+P.&rft.subject=JOURNALS&rft.subject=Online+Journal+of+Health+and+Allied+Sciences&rft.description=The+anterior+loop+is+defined+as+where+the+mental+neurovascular+bundle+crosses+anterior+to+the+mental+foramen+then+doubles+back+to+exit+the+mental+foramen.+It+cannot+be+seen+clinically+but+can+be+detected+in+11-60+of+panoramic+radiographs.+As+this+anatomical+structure+is+important+in+determining+the+placement+position+of+endosseous+implants+in+the+mandibular+premolar+region%2C+a+pilot+study+was+undertaken+to+determine+its+visibility+on+dental+panoramic+radiographs+in+dentate+subjects+of+various+age+groups.+One+or+more+anterior+loops+were+visible+in+39+(40.2)+radiographs+encompassing+66+sites+(34.4).+Interestingly%2C+anterior+loops+were+most+commonly+observed+bilaterally%2C+followed+by+on+the+right+side+of+the+mandible+only.+An+anterior+loop+on+the+left+side+only+was+observed+in+just+1+radiograph.+Visibility+of+anterior+loops+reduced+as+the+age+of+subjects+increased.+More+than+half+(58.1)+of+subjects+aged+20-29+years+exhibited+at+least+one+anterior+loop%3B+this+gradually+reduced+to+only+15+percent+of+subjects+aged+50+and+older.+There+was+no+association+between+visualization+of+the+anterior+loop+and+subject+gender.&rft.date=2009-06&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F8163%2F1%2FA%2520radiographic%2520study%2520on%2520the%2520visualization%2520of%2520the%2520anterior%2520loop%2520in%2520dentate%2520subjects%2520of%2520different%2520age%2520groups.pdf&rft.identifier=++Ngeow%2C+Dr.+W.C.+and+Dionysius%2C+D.+D.+and+Ishak%2C+H.+and+Nambiar%2C+P.++(2009)+A+radiographic+study+on+the+visualization+of+the+anterior+loop+in+dentate+subjects+of+different+age+groups.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F8163%2F