Interdisciplinary approach for improved esthetic results
Identifieur interne : 000231 ( Pmc/Corpus ); précédent : 000230; suivant : 000232Interdisciplinary approach for improved esthetic results
Auteurs : G. Sriram ; S. Nagalakshmi ; K. Balachandar ; K. MadhusudanSource :
- Journal of Pharmacy & Bioallied Sciences [ 0976-4879 ] ; 2014.
Abstract
This clinical report describes an interdisciplinary (orthodontic, prosthodontics and operative dentist) approach for the coordinated treatment of an adult patient diagnosed with severely mutilated dentition secondary to caries lesion warranting restorative procedures that was facilitated with orthodontic treatment. The patient's specific esthetic expectation for the anterior teeth and improved smile were successfully met through planned treatment, including orthodontic tooth movement, restoration and porcelain conversion crowns. Such coordinated interdisciplinary evaluations and treatment are necessary for improved esthetics.
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DOI: 10.4103/0975-7406.137466
PubMed: 25210371
PubMed Central: 4157267
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Interdisciplinary approach for improved esthetic results</title><author><name sortKey="Sriram, G" sort="Sriram, G" uniqKey="Sriram G" first="G." last="Sriram">G. Sriram</name><affiliation><nlm:aff id="aff1">Department of Orthodontics, Vivekananda Dental College for Women, Thiruchengode, Namakkal, Tamil Nadu, India</nlm:aff></affiliation></author><author><name sortKey="Nagalakshmi, S" sort="Nagalakshmi, S" uniqKey="Nagalakshmi S" first="S." last="Nagalakshmi">S. Nagalakshmi</name><affiliation><nlm:aff id="aff1">Department of Orthodontics, Vivekananda Dental College for Women, Thiruchengode, Namakkal, Tamil Nadu, India</nlm:aff></affiliation></author><author><name sortKey="Balachandar, K" sort="Balachandar, K" uniqKey="Balachandar K" first="K." last="Balachandar">K. Balachandar</name><affiliation><nlm:aff id="aff1">Department of Orthodontics, Vivekananda Dental College for Women, Thiruchengode, Namakkal, Tamil Nadu, India</nlm:aff></affiliation></author><author><name sortKey="Madhusudan, K" sort="Madhusudan, K" uniqKey="Madhusudan K" first="K." last="Madhusudan">K. Madhusudan</name><affiliation><nlm:aff id="aff1">Department of Orthodontics, Vivekananda Dental College for Women, Thiruchengode, Namakkal, Tamil Nadu, India</nlm:aff></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">25210371</idno><idno type="pmc">4157267</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4157267</idno><idno type="RBID">PMC:4157267</idno><idno type="doi">10.4103/0975-7406.137466</idno><date when="2014">2014</date><idno type="wicri:Area/Pmc/Corpus">000231</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000231</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Interdisciplinary approach for improved esthetic results</title><author><name sortKey="Sriram, G" sort="Sriram, G" uniqKey="Sriram G" first="G." last="Sriram">G. Sriram</name><affiliation><nlm:aff id="aff1">Department of Orthodontics, Vivekananda Dental College for Women, Thiruchengode, Namakkal, Tamil Nadu, India</nlm:aff></affiliation></author><author><name sortKey="Nagalakshmi, S" sort="Nagalakshmi, S" uniqKey="Nagalakshmi S" first="S." last="Nagalakshmi">S. Nagalakshmi</name><affiliation><nlm:aff id="aff1">Department of Orthodontics, Vivekananda Dental College for Women, Thiruchengode, Namakkal, Tamil Nadu, India</nlm:aff></affiliation></author><author><name sortKey="Balachandar, K" sort="Balachandar, K" uniqKey="Balachandar K" first="K." last="Balachandar">K. Balachandar</name><affiliation><nlm:aff id="aff1">Department of Orthodontics, Vivekananda Dental College for Women, Thiruchengode, Namakkal, Tamil Nadu, India</nlm:aff></affiliation></author><author><name sortKey="Madhusudan, K" sort="Madhusudan, K" uniqKey="Madhusudan K" first="K." last="Madhusudan">K. Madhusudan</name><affiliation><nlm:aff id="aff1">Department of Orthodontics, Vivekananda Dental College for Women, Thiruchengode, Namakkal, Tamil Nadu, India</nlm:aff></affiliation></author></analytic><series><title level="j">Journal of Pharmacy & Bioallied Sciences</title><idno type="ISSN">0976-4879</idno><idno type="eISSN">0975-7406</idno><imprint><date when="2014">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>This clinical report describes an interdisciplinary (orthodontic, prosthodontics and operative dentist) approach for the coordinated treatment of an adult patient diagnosed with severely mutilated dentition secondary to caries lesion warranting restorative procedures that was facilitated with orthodontic treatment. The patient's specific esthetic expectation for the anterior teeth and improved smile were successfully met through planned treatment, including orthodontic tooth movement, restoration and porcelain conversion crowns. Such coordinated interdisciplinary evaluations and treatment are necessary for improved esthetics.</p></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Kinzer, Ga" uniqKey="Kinzer G">GA Kinzer</name></author><author><name sortKey="Kokich, Vo" uniqKey="Kokich V">VO Kokich</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Kinzer, Ga" uniqKey="Kinzer G">GA Kinzer</name></author><author><name sortKey="Kokich, Vo" uniqKey="Kokich V">VO Kokich</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Jemt, T" uniqKey="Jemt T">T Jemt</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Zachrisson, Bu" uniqKey="Zachrisson B">BU Zachrisson</name></author><author><name sortKey="Rosa, M" uniqKey="Rosa M">M Rosa</name></author><author><name sortKey="Toreskog, S" uniqKey="Toreskog S">S Toreskog</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Tuverson, Dl" uniqKey="Tuverson D">DL Tuverson</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Thordarson, A" uniqKey="Thordarson A">A Thordarson</name></author><author><name sortKey="Zachrisson, Bu" uniqKey="Zachrisson B">BU Zachrisson</name></author><author><name sortKey="Mjor, Ia" uniqKey="Mjor I">IA Mjör</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Nordquist, Gg" uniqKey="Nordquist G">GG Nordquist</name></author><author><name sortKey="Mcneill, Rw" uniqKey="Mcneill R">RW McNeill</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Robertsson, S" uniqKey="Robertsson S">S Robertsson</name></author><author><name sortKey="Mohlin, B" uniqKey="Mohlin B">B Mohlin</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Zachrisson, Bu" uniqKey="Zachrisson B">BU Zachrisson</name></author><author><name sortKey="Mjor, Ia" uniqKey="Mjor I">IA Mjör</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Swift, Ej" uniqKey="Swift E">EJ Swift</name></author><author><name sortKey="Friedman, Mj" uniqKey="Friedman M">MJ Friedman</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Kokich, Vo" uniqKey="Kokich V">VO Kokich</name></author><author><name sortKey="Kinzer, Ga" uniqKey="Kinzer G">GA Kinzer</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Rosa, M" uniqKey="Rosa M">M Rosa</name></author><author><name sortKey="Zachrisson, Bu" uniqKey="Zachrisson B">BU Zachrisson</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Rosa, M" uniqKey="Rosa M">M Rosa</name></author><author><name sortKey="Zachrisson, Bu" uniqKey="Zachrisson B">BU Zachrisson</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Rosa, M" uniqKey="Rosa M">M Rosa</name></author><author><name sortKey="Zachrisson, Bu" uniqKey="Zachrisson B">BU Zachrisson</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Brough, E" uniqKey="Brough E">E Brough</name></author><author><name sortKey="Donaldson, An" uniqKey="Donaldson A">AN Donaldson</name></author><author><name sortKey="Naini, Fb" uniqKey="Naini F">FB Naini</name></author></analytic></biblStruct></listBibl></div1></back></TEI><pmc article-type="case-report"><pmc-dir>properties open_access</pmc-dir>
<front><journal-meta><journal-id journal-id-type="nlm-ta">J Pharm Bioallied Sci</journal-id><journal-id journal-id-type="iso-abbrev">J Pharm Bioallied Sci</journal-id><journal-id journal-id-type="publisher-id">JPBS</journal-id><journal-title-group><journal-title>Journal of Pharmacy & Bioallied Sciences</journal-title></journal-title-group><issn pub-type="ppub">0976-4879</issn><issn pub-type="epub">0975-7406</issn><publisher><publisher-name>Medknow Publications & Media Pvt Ltd</publisher-name><publisher-loc>India</publisher-loc></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">25210371</article-id><article-id pub-id-type="pmc">4157267</article-id><article-id pub-id-type="publisher-id">JPBS-6-192</article-id><article-id pub-id-type="doi">10.4103/0975-7406.137466</article-id><article-categories><subj-group subj-group-type="heading"><subject>Dental Science - Case Report</subject></subj-group></article-categories><title-group><article-title>Interdisciplinary approach for improved esthetic results</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Sriram</surname><given-names>G.</given-names></name><xref ref-type="aff" rid="aff1"></xref><xref ref-type="corresp" rid="cor1"></xref></contrib><contrib contrib-type="author"><name><surname>Nagalakshmi</surname><given-names>S.</given-names></name><xref ref-type="aff" rid="aff1"></xref></contrib><contrib contrib-type="author"><name><surname>Balachandar</surname><given-names>K.</given-names></name><xref ref-type="aff" rid="aff1"></xref></contrib><contrib contrib-type="author"><name><surname>Madhusudan</surname><given-names>K.</given-names></name><xref ref-type="aff" rid="aff1"></xref></contrib></contrib-group><aff id="aff1">Department of Orthodontics, Vivekananda Dental College for Women, Thiruchengode, Namakkal, Tamil Nadu, India</aff><author-notes><corresp id="cor1"><bold>Address for correspondence:</bold> Dr. G. Sriram, E-mail: <email xlink:href="drgsriram@hotmail.com">drgsriram@hotmail.com</email></corresp></author-notes><pub-date pub-type="ppub"><month>7</month><year>2014</year></pub-date><volume>6</volume><issue>Suppl 1</issue><fpage>S192</fpage><lpage>S195</lpage><history><date date-type="received"><day>30</day><month>3</month><year>2014</year></date><date date-type="rev-recd"><day>30</day><month>3</month><year>2014</year></date><date date-type="accepted"><day>09</day><month>4</month><year>2014</year></date></history><permissions><copyright-statement>Copyright: © Journal of Pharmacy and Bioallied Sciences</copyright-statement><copyright-year>2014</copyright-year><license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by-nc-sa/3.0"><license-p>This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.</license-p></license></permissions><abstract><p>This clinical report describes an interdisciplinary (orthodontic, prosthodontics and operative dentist) approach for the coordinated treatment of an adult patient diagnosed with severely mutilated dentition secondary to caries lesion warranting restorative procedures that was facilitated with orthodontic treatment. The patient's specific esthetic expectation for the anterior teeth and improved smile were successfully met through planned treatment, including orthodontic tooth movement, restoration and porcelain conversion crowns. Such coordinated interdisciplinary evaluations and treatment are necessary for improved esthetics.</p></abstract><kwd-group><title>KEY WORDS</title><kwd>Canine substitution for lateral incisors</kwd><kwd>maxillary lateral incisor extraction</kwd><kwd>rown reshaping</kwd></kwd-group></article-meta></front><body><p>The number of adult patients seeking orthodontic treatment has increased considerably in the past decade. The orthodontic treatment of adult patients most frequently involves more than one discipline. Often orthodontic treatment is required for correcting malocclusions in patients requiring prosthetic replacement of missing teeth, or extracted teeth. Replacement of missing or extracted lateral incisors can be done with a tooth supported restorations like conventional full covered fixed partial dentures or cantilevered partial denture or resin bonded partial dentures or an implant supported crown.[<xref rid="ref1" ref-type="bibr">1</xref><xref rid="ref2" ref-type="bibr">2</xref>]</p><p>Implant supported crowns in the esthetic zone have a high success rate but the biological and technical failures are also frequent and the degree and onset of unaesthetic hard and soft tissue changes around the implant is also not predictable.[<xref rid="ref3" ref-type="bibr">3</xref>] Fixed partial dentures may be successfully used in favorable situations, but debonding may be a common failure.[<xref rid="ref2" ref-type="bibr">2</xref>] Long term occlusal and periodontal studies have shown that canine substitution to the lateral incisor can produce a stable occlusal relationship with a modified group function relationship on the working side.[<xref rid="ref4" ref-type="bibr">4</xref>]</p><p>Even though, canine substitution for maxillary lateral incisor is common in case of congenitally missing lateral incisors, therapeutic extraction of a tooth in the esthetic zone (maxillary lateral incisor) is rarely indicated in orthodontics. Maxillary lateral incisor extraction and space closure is considered only when the tooth is decayed beyond the scope of restoration.</p><sec id="sec1-1"><title>Case Report</title><p>The case we present here is about a 53-year-old female patient reported with the chief complaint of unaesthetic smile due to decayed upper front tooth and misalignment. Intraoral examination revealed an angles Class I malocclusion with severe crowding in the upper and lower arch with maxillary right canine labially erupting and maxillary right lateral incisor in cross bite and an inadequate overbite. The upper left maxillary lateral incisor was grossly decayed beyond the scope for restoration, and Class V smooth surface cavity was present in maxillary right canine, left first premolar, mandibular left canine and first premolar. A Class V composite filling with secondary caries was present in maxillary left central incisor [<xref ref-type="fig" rid="F1">Figure 1</xref>]. The patient had an acceptable posterior occlusion, straight facial profile, normal nasolabial angle and a symmetrical face [<xref ref-type="fig" rid="F2">Figure 2</xref>].</p><fig id="F1" position="float"><label>Figure 1</label><caption><p>Pretreatment intraoral photographs</p></caption><graphic xlink:href="JPBS-6-192-g001"></graphic></fig><fig id="F2" position="float"><label>Figure 2</label><caption><p>Pretreatment extraoral photographs</p></caption><graphic xlink:href="JPBS-6-192-g002"></graphic></fig></sec><sec id="sec1-2"><title>Treatment Objectives</title><p><list list-type="order"><list-item><p>To correct the lateral incisor crossbite</p></list-item><list-item><p>To relieve the crowding</p></list-item><list-item><p>To maintain the Class I buccal occlusion</p></list-item><list-item><p>To establish a proper overjet and overbite</p></list-item><list-item><p>To create an esthetic smile.</p></list-item></list></p></sec><sec id="sec1-3"><title>Treatment Alternatives</title><sec id="sec2-1"><title>Treatment plan A</title><p>Extraction of all first premolars and left maxillary lateral incisor followed by orthodontic treatment for decrowding and closure of premolar extraction space and replacement of lateral incisor with a prosthesis.</p></sec><sec id="sec2-2"><title>Treatment plan B</title><p>Extraction of maxillary lateral incisors and mandibular first premolars and substitution of maxillary canine for maxillary lateral incisor and closure of extraction space in the lower arch. Reshaping and composite resin build up in the maxillary canine to substitute it for the maxillary lateral incisor.</p></sec><sec id="sec2-3"><title>Treatment plan C</title><p>Extraction of maxillary right canine, left lateral incisor and mandibular first premolars followed by orthodontic treatment for aligning, leveling and space closure. Maxillary left canine is substituted for the lateral incisor.</p></sec></sec><sec id="sec1-4"><title>Treatment Plan</title><p>Treatment plan B that is, extracting maxillary lateral incisors followed by canine substitution and also extraction of mandibular first premolars followed by orthodontic space closure was chosen.</p><sec id="sec2-4"><title>Rationale for maxillary lateral incisor extraction and canine substitution</title><p>Any treatment plan should be selected based on the long term prognosis and stability. Substituting maxillary canines for missing or extracted lateral incisors is a viable treatment alternative to extraction of premolars and replacing the missing or extracted lateral incisors with prosthesis. This can be successfully done in cases with anterior crowding or anterior proclination with a good posterior occlusion and a straight facial profile.[<xref rid="ref5" ref-type="bibr">5</xref><xref rid="ref6" ref-type="bibr">6</xref><xref rid="ref7" ref-type="bibr">7</xref><xref rid="ref8" ref-type="bibr">8</xref>] Adjunctive procedures like reshaping of maxillary canines to lateral incisor and reshaping the palatal cusp of first premolar to avoid functional interferences, composite resin buildups or ceramic veneers to convert the maxillary canine to a lateral incisor and maxillary first premolar to a maxillary canine will help the clinician to achieve esthetic and functionally stable occlusion.[<xref rid="ref9" ref-type="bibr">9</xref><xref rid="ref10" ref-type="bibr">10</xref>]</p></sec></sec><sec id="sec1-5"><title>Treatment Progress</title><sec id="sec2-5"><title>Orthodontic phase</title><p>The treatment was initiated with a 0.22” slot Roth prescription preadjusted edge wise appliance. Ceramic brackets were used to meet the esthetic demand of the patient. After initial aligning and leveling space closure was carried out in 0.19” × 0.025” stainless steel archwire with soldered brass hooks and module ligatures [<xref ref-type="fig" rid="F3">Figure 3</xref>]. After finishing and detailing debonding was done.</p><fig id="F3" position="float"><label>Figure 3</label><caption><p>Intraoral photographs showing orthodontic treatment in progress</p></caption><graphic xlink:href="JPBS-6-192-g003"></graphic></fig></sec><sec id="sec2-6"><title>Prosthodontic phase</title><p>Crown reshaping by reducing the cusp tip and buccal prominence followed by the composite resin buildup on the proximal surface was done in maxillary canine to substitute the maxillary lateral incisors. The palatal cusp of the maxillary first premolars was reshaped to avoid the functional interferences during the lateral excursions. The Class V cavities were restored with composite resin fillings, and a ceramic crown was placed in the maxillary left central incisor [<xref ref-type="fig" rid="F4">Figure 4</xref>]. The straight profile was maintained with a normal nasolabial angle [<xref ref-type="fig" rid="F5">Figure 5</xref>].</p><fig id="F4" position="float"><label>Figure 4</label><caption><p>Posttreatment intra oral photographs</p></caption><graphic xlink:href="JPBS-6-192-g004"></graphic></fig><fig id="F5" position="float"><label>Figure 5</label><caption><p>Posttreatment extra oral photographs</p></caption><graphic xlink:href="JPBS-6-192-g005"></graphic></fig></sec></sec><sec sec-type="discussion" id="sec1-6"><title>Discussion</title><p>The successful substitution of maxillary lateral incisor with a canine depends on so many factors such as the type of malocclusion, the degree of crowding, the size shape and color of the canine, patient profile and the lip line during smiling.[<xref rid="ref11" ref-type="bibr">11</xref>] The color of the maxillary canine is usually slightly darker than the lateral incisors, and the maxillary canines are slightly wider and longer than the lateral incisor. The morphology of the canine is also different from that of the lateral incisors with a pointed cusp tip in contrast to the flat incisal edge. Vital bleaching or porcelain veneers can transform a dark canine into an optimal lateral incisor shade.[<xref rid="ref12" ref-type="bibr">12</xref><xref rid="ref13" ref-type="bibr">13</xref><xref rid="ref14" ref-type="bibr">14</xref>] Esthetic canine tip contouring and composite resin buildup to alter the labial surface crown shape is recommended in canine substitution cases. The contouring should be limited to the enamel and should not expose the dentin. Incremental enamel reduction of 0.25 mm of enamel/6–8 mm weeks is recommended since it encourages the secondary dentin formation and reduces the possibility of sensitivity. Fluoride varnish also reduces sensitivity after enamel reduction.[<xref rid="ref15" ref-type="bibr">15</xref>] The torque or the labiolingual inclination is also another consideration since the maxillary canines have a more labial root torque or root prominence compared with the lateral incisors. This problem can be solved by bonding the lateral incisor bracket in the canine and canine brackets n the maxillary first premolar. Optimal gingival line can be achieved by selective intrusion or extrusion of teeth or by gingivectomy procedure. Esthetic contouring and composite buildups or ceramic veneers can be done in first premolars to achieve a more esthetic smile.[<xref rid="ref4" ref-type="bibr">4</xref>]</p></sec><sec sec-type="conclusion" id="sec1-7"><title>Conclusion</title><p>An interdisciplinary approach is required for management of such cases. Orthodontic space closure of a maxillary lateral incisor extraction provides scope not only for correcting the existing malocclusion, but also provides an esthetically and functionally stable occlusion and anterior smile esthetics.</p></sec></body><back><fn-group><fn fn-type="supported-by"><p><bold>Source of Support:</bold> Nil</p></fn><fn fn-type="conflict"><p><bold>Conflict of Interest:</bold> None declared.</p></fn></fn-group><ref-list><ref id="ref1"><label>1</label><element-citation publication-type="journal"><person-group person-group-type="author"><name><surname>Kinzer</surname><given-names>GA</given-names></name><name><surname>Kokich</surname><given-names>VO</given-names><suffix>Jr</suffix></name></person-group><article-title>Managing congenitally missing lateral incisors. 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