重度根尖周病变根尖手术同期冠延长术短期疗效观察(3)
[4] Minsk L.Esthetic crown lengthening[J].Compendium，2001，22(12)：562-569.
[5] Fürhauser R，Florescu D，Benesch T，et al.Evaluation of soft tissue around single-tooth implant crowns：The pink esthetic score[J].Clin Oral Implants Res，2005，16(6)：639-644.
[6]吴王喜，孟波，刘卫平.美学区临界小缺牙间隙种植修复的临床研究[J].广东牙病防治，2013，21(7)：341-344.
[7] Levine D，Handelsman M，Ravon N.Crown lengthening surgery：a restorative driven periodontal procedure[J].J Calif Dent Assoc，1999，27(35)：143-151.
[8] Nethravathy R，Vinoth S K，Thomas A V.Three different surgical techniques of crown lengthening：a comparative study[J].J Pharm Bioallied Sci，2013，5(suppl 1)：S14-16.
[9] Magid K S，Strauss R A.Laser use for esthetic soft tissue modification[J].Dent Clin North Am，2007，51(2)：525-545.
[10] Arora R，Narula S C，Sharma R K，et al.Evaluation of supracrestal gingival tissue after surgical crown lengthening：a 6-month clinical study[J].J Periodontol，2013，84(7)：934-940.
[11] Pontoriero R，Camevale G.Surgical crown lengthening：a 12-month clinical wound healing study[J].J Periodontol，2001，72(7)：841-848.
[12] Ganji K K，Patil V A，John J.A comparative evaluation for biologic width following surgical crown lengthening using gingivectomy and ostectomy procedure[J].Int J Dent，2012，10(1155)：479 241.
[13] Waplington M，Lumley P J，Walmsley A D.Incidence of root face alteration after ultrasonic retrograde cavity preparation[J].Oral Surg Oral Med Oral Pathol Oral Radiol Endod，1997，83(541)：387-392.
[14] Lange J，Putters T，Baas E M，et al.Ultrasonic root-end preparation in apical surgery：a prospective randomized study[J].Oral Surg Oral Med Oral Pathol Oral Radiol Endod，2007，104(14)：841-845.
[15] Grossmann Y，Sadan A.The prosthodontic concept of crown-to-root ratio：A review of the literature[J].J Prosthet Dent，2005，93(45)：559-562.
[16] Shillingburg H T，Hobo S，Whitsett L D，et al.Fundamentals of fixed prosthodontics[M].3rd ed.Chicago：Quintessence，1997：85-103，191-192.
(收稿日期：2015-01-16) (本文编辑：陈丹云), http://www.100md.com(吴王喜 陈筑苏 周磊 邱钧琦 刘芳)
[5] Fürhauser R，Florescu D，Benesch T，et al.Evaluation of soft tissue around single-tooth implant crowns：The pink esthetic score[J].Clin Oral Implants Res，2005，16(6)：639-644.
[6]吴王喜，孟波，刘卫平.美学区临界小缺牙间隙种植修复的临床研究[J].广东牙病防治，2013，21(7)：341-344.
[7] Levine D，Handelsman M，Ravon N.Crown lengthening surgery：a restorative driven periodontal procedure[J].J Calif Dent Assoc，1999，27(35)：143-151.
[8] Nethravathy R，Vinoth S K，Thomas A V.Three different surgical techniques of crown lengthening：a comparative study[J].J Pharm Bioallied Sci，2013，5(suppl 1)：S14-16.
[9] Magid K S，Strauss R A.Laser use for esthetic soft tissue modification[J].Dent Clin North Am，2007，51(2)：525-545.
[10] Arora R，Narula S C，Sharma R K，et al.Evaluation of supracrestal gingival tissue after surgical crown lengthening：a 6-month clinical study[J].J Periodontol，2013，84(7)：934-940.
[11] Pontoriero R，Camevale G.Surgical crown lengthening：a 12-month clinical wound healing study[J].J Periodontol，2001，72(7)：841-848.
[12] Ganji K K，Patil V A，John J.A comparative evaluation for biologic width following surgical crown lengthening using gingivectomy and ostectomy procedure[J].Int J Dent，2012，10(1155)：479 241.
[13] Waplington M，Lumley P J，Walmsley A D.Incidence of root face alteration after ultrasonic retrograde cavity preparation[J].Oral Surg Oral Med Oral Pathol Oral Radiol Endod，1997，83(541)：387-392.
[14] Lange J，Putters T，Baas E M，et al.Ultrasonic root-end preparation in apical surgery：a prospective randomized study[J].Oral Surg Oral Med Oral Pathol Oral Radiol Endod，2007，104(14)：841-845.
[15] Grossmann Y，Sadan A.The prosthodontic concept of crown-to-root ratio：A review of the literature[J].J Prosthet Dent，2005，93(45)：559-562.
[16] Shillingburg H T，Hobo S，Whitsett L D，et al.Fundamentals of fixed prosthodontics[M].3rd ed.Chicago：Quintessence，1997：85-103，191-192.
(收稿日期：2015-01-16) (本文编辑：陈丹云), http://www.100md.com(吴王喜 陈筑苏 周磊 邱钧琦 刘芳)