{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,7]],"date-time":"2026-10-07T05:50:50Z","timestamp":1791352250132,"version":"4.3.1"},"reference-count":30,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T00:00:00Z","timestamp":1791244800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T00:00:00Z","timestamp":1791244800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["aap.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clin Adv Periodontics"],"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Distal furcation\u2010associated intrabony defects in mandibular molars are difficult to manage because of limited surgical access, restricted visibility, and complex root anatomy. This case report describes the regenerative management of a distal furcation\u2010associated intrabony defect in a mandibular first molar using recombinant human fibroblast growth factor\u20102 (rhFGF\u20102) with a double\u2010sided entire papilla preservation technique\u2010based approach (DEPPT\u2010BA).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A 56\u2010year\u2010old systemically healthy woman presented with stage III, grade B periodontitis and Hamp Class II distal furcation involvement of the mandibular left first molar, with a maximum probing pocket depth (PPD) of 8\u00a0mm. After initial periodontal and endodontic therapy, periodontal regenerative surgery was performed using the DEPPT\u2010BA to obtain buccal and lingual access while preserving the interdental papilla. rhFGF\u20102 was applied to the defect without adjunctive bone graft material.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Healing progressed without major complications. At 12 months postoperatively, PPDs were \u22642\u00a0mm at all sites, bleeding on probing was absent, and the distal furcation involvement was clinically resolved without gingival recession. Cone\u2010beam computed tomography demonstrated substantial bone fill within the intrabony defect and clinical resolution of the distal furcation involvement.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Within the limitations of a single case report, this application of DEPPT\u2010BA combined with rhFGF\u20102 may improve buccal and lingual access while maintaining interdental soft\u2010tissue stability in distal furcation\u2010associated intrabony defects with buccolingual extension in mandibular molars.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Key points<\/jats:title>\n                    <jats:p>\n                      <jats:list list-type=\"bullet\">\n                        <jats:list-item>\n                          <jats:p>Distal furcation\u2010associated intrabony defects in mandibular molars pose considerable regenerative challenges, given limited access, restricted visibility, and complex root anatomy.<\/jats:p>\n                        <\/jats:list-item>\n                        <jats:list-item>\n                          <jats:p>DEPPT\u2010BA provided buccal and lingual access to the distal furcation defect while preserving the interdental papilla and maintaining wound stability.<\/jats:p>\n                        <\/jats:list-item>\n                        <jats:list-item>\n                          <jats:p>Favorable 12\u2010month clinical and radiographic outcomes were achieved using rhFGF\u20102 without adjunctive bone grafting material.<\/jats:p>\n                        <\/jats:list-item>\n                      <\/jats:list>\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Plain language summary<\/jats:title>\n                    <jats:p>This case report describes the treatment of a difficult periodontal defect affecting the distal furcation area of a mandibular molar using DEPPT with rhFGF\u20102. The technique improved surgical access while maintaining soft\u2010tissue stability, resulting in favorable clinical healing and substantial bone fill at 12 months.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/cap.70112","type":"journal-article","created":{"date-parts":[[2026,10,7]],"date-time":"2026-10-07T05:08:17Z","timestamp":1791349697000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Double\u2010sided entire papilla preservation for mandibular distal furcation defect: A case report"],"prefix":"10.1002","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6896-1404","authenticated-orcid":false,"given":"Takayoshi","family":"Nagahara","sequence":"first","affiliation":[{"name":"Department of Dentistry Nippon Kokan Fukuyama Hospital  Fukuyama Japan"},{"name":"Department of Periodontal Medicine Graduate School of Biomedical and Health Sciences Hiroshima University  Hiroshima 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