L. Différentes-techniques-d-'accès-au-sulcus and .. , 21 3.1) Les techniques de déflexion gingivale 21 3.1.1) Les moyens mécaniques, p.24

L. Techniques-chimio-mécaniques and .. , 27 3.1.3.1) Les cordonnets imprégnés) Les pâtes gingivales, p.27

R. Le-curetage and .. Le-laser, 28 3.2.2), p.30

A. Etats-unis and .. , 71 1.1) En, ., p.71, 1999.

. Il-est-À-noter and . Qu, ayant eu une formation plus récente et donc plus exhaustive, les praticiens de 25 à 35 ans utilisent plus de méthodes que les praticiens de plus de 35 ans

B. 1. Borghetti, A. Monnet-corti, and V. , Chirurgie plastique parodontale. Rueil-Malmaison: Ed. CdP, 2011.

F. Descamp, Pratique de l'empreinte en prothèse fixée, Ed. CDP, 2012.

A. Gargiulo, F. Wentz, and B. Orban, Dimensions and Relations of the Dentogingival Junction in Humans, Journal of Periodontology, vol.32, issue.3, pp.261-268, 1961.
DOI : 10.1902/jop.1961.32.3.261

A. Stafin-zerbib, F. Florentin, and A. S. , Incidences parodontales des accès aux limites en prothèse fixée: revue de la littérature 1ère partie: technique d'accès aux limites, Strat Prothétique, vol.8, issue.2, pp.133-174, 2008.

R. Wilson and G. Maynard, Intracrevicular restorative dentistry, Int J Periodontics Restorative Dent, vol.1, issue.4, pp.34-49, 1981.

A. Gargiulo, J. Krajewski, and M. Gargiulo, Defining biologic width in crown lengthening, CDS Rev, vol.88, issue.5, pp.20-23, 1995.

J. Vacek, M. Gher, D. Assad, A. Richardson, and L. Giambarresi, The dimensions of the human dentogingival junction, Int J Periodontics Restorative Dent, vol.14, issue.2, pp.154-65, 1994.

D. Bosshardt and N. Lang, The Junctional Epithelium: from Health to Disease, Journal of Dental Research, vol.84, issue.1, 2005.
DOI : 10.1002/1096-9896(2000)9999:9999<::AID-PATH673>3.0.CO;2-T

Y. Petitjean, Les empreintes en prothèse fixée. Paris: Ed CdP, 1994.

M. Bartala, K. Coly-canderatz, J. Brousseaud, and W. Chee, Prothèse fixée et parodonte: favoriser et pérenniser l'intégration biologique et esthétique Current concepts in gingival displacement, Dent Clin North Am, vol.48, issue.2, pp.433-477, 2004.

R. Ingraham, P. Sochat, and F. Hansing, Rotary gingival curettage-a technique for tooth preparation and management of the gingival sulcus for impression taking, Int J Periodontics Restorative Dent, vol.1, issue.4, pp.8-33, 1981.

D. Rouck, T. Eghbali, R. Collys, K. , D. Bruyn et al., The gingival biotype revisited: transparency of the periodontal probe through the gingival margin as a method to discriminate thin from thick gingiva, Journal of Clinical Periodontology, vol.70, issue.5, pp.428-461, 2009.
DOI : 10.1902/jop.1995.66.5.397

N. Baba, C. Goodacre, R. Jekki, and J. Won, Gingival Displacement for Impression Making in Fixed Prosthodontics, Dental Clinics of North America, vol.58, issue.1, 2014.
DOI : 10.1016/j.cden.2013.09.002

J. Maynard, . Jr, and R. Wilson, Physiologic Dimensions of the Periodontium Significant to the Restorative Dentist, Journal of Periodontology, vol.50, issue.4, pp.170-174, 1979.
DOI : 10.1902/jop.1979.50.4.170

J. Lindhe and F. Guyomard, Textbook of clinical periodontology. 2. ed, 5. print. Copenhagen: Munksgaard; 1995 Chirurgie muco-gingivale chez l'enfant et l'adolescent Paris

B. Laufer, H. Baharav, Y. Langer, and H. Cardash, The closure of the gingival crevice following gingival retraction for impression making, Journal of Oral Rehabilitation, vol.14, issue.9, pp.629-664, 1997.
DOI : 10.1016/0022-3913(80)90069-4

P. Hansen, D. Tira, and J. Barlow, Current Methods of Finish-Line Exposure by Practicing Prosthodontists, Journal of Prosthodontics, vol.71, issue.3, pp.163-70, 1999.
DOI : 10.14219/jada.archive.1980.0228

A. Jokstad, Clinical trial of gingival retraction cords, The Journal of Prosthetic Dentistry, vol.81, issue.3, pp.258-61, 1999.
DOI : 10.1016/S0022-3913(99)70266-0

H. Strassler and L. Boksman, Tissue management, gingival retraction and hemostasis http://www.oralhealthgroup.com/features/tissue-management-gingival- retraction-and-hemostasis/ 23. Shivasakthy M, Asharaf Ali S. Comparative Study on the Efficacy of Gingival Retraction using Polyvinyl Acetate Strips and Conventional Retraction Cord -An in Vivo Study, Oral Health Journal. juill J Clin Diagn Res, 2011.

M. Ferrari, M. Cagidiaco, C. Ercoli, U. Beier, R. Kranewitter et al., Tissue management with a new gingival retraction material: a preliminary clinical report Quality of impressions after use of the Magic FoamCord gingival retraction system--a clinical study of 269 abutment teeth, J Prosthet Dent Int J Prosthodont, vol.7522, issue.252, pp.242-7143, 1996.

A. Stafin-zerbib, F. Florentin, A. S. Donovan, T. Gandara, B. Nemetz et al., Incidences parodontales des accès aux limites en prothèse fixée: revue de la littérature 2ème partie: technique d'accès aux limites Review and survey of medicaments used with gingival retraction cords, 183?95. 27, pp.525-556, 1985.

S. Kellam, J. Smith, and S. Scheffel, Epinephrine absorption from commercial gingival retraction cords in clinical patients, The Journal of Prosthetic Dentistry, vol.68, issue.5, pp.761-766, 1992.
DOI : 10.1016/0022-3913(92)90198-J

C. Madrid, B. Courtois, M. Vironneau, G. Nyiri, J. Vag et al., Recommendations to use vasoconstrictors in dentistry and Oral surgery Médecine buccale chirurgie buccale Dose-related effects of epinephrine on human gingival blood flow and crevicular fluid production used as a soaking solution for chemo-mechanical tissue retraction, J Prosthet Dent, vol.97, issue.1, pp.6-11, 2003.

D. Runyan, T. Reddy, . Jr, and L. Shimoda, Fluid absorbency of retraction cords after soaking in aluminum chloride solution, The Journal of Prosthetic Dentistry, vol.60, issue.6, pp.676-684, 1988.
DOI : 10.1016/0022-3913(88)90396-4

M. Smeltzer, An alternative way to use gingival retraction paste. J Am Dent Assoc, 2003.

W. Brady, Periodontal and restorative considerations in rotary gingival curettage. J Am Dent Assoc, pp.231-237, 1982.

R. Wassell, D. Barker, and A. Walls, Crowns and other extra-coronal restorations: Impression materials and technique, British Dental Journal, vol.52, issue.12, pp.679-84, 2002.
DOI : 10.1016/0022-3913(84)90449-9

M. Hyvernaud, Accès aux limites prothétiques : apport de la technologie laser

J. White, H. Goodis, and C. Rose, Use of the pulsed Nd:YAG laser for intraoral soft tissue surgery, Lasers in Surgery and Medicine, vol.95, issue.5, pp.455-61, 1991.
DOI : 10.1177/000348948609500601

A. Abdulaziz, Gingival retraction -Technique and materials: a review, Pakistan Oral & Dental Journal. dec, vol.30, issue.2, pp.545-551, 2010.

E. Gherlone, C. Maiorana, R. Grassi, R. Ciancaglini, and F. Cattoni, The use of 980-nm diode and 1064-nm Nd:YAG laser for gingival retraction in fixed prostheses, J Oral Applications, 2004.

S. Parker, The use of lasers in fixed prosthodontics. Dent Clin North Am, pp.971-98, 2004.

A. Scott, Use of an erbium laser in lieu of retraction cord: a modern technique Gen Dent Van As GA. The Diode Laser as an Electrosurgery Replacement, Dental Tribune, vol.53, issue.1, pp.116-96, 2005.

H. Baharav, I. Kupershmidt, B. Laufer, and H. Cardash, The effect of sulcular width on the linear accuracy of impression materials in the presence of an undercut, Int J Prosthodont, vol.17, issue.5, pp.585-594, 2004.

A. Hamad, K. Azar, W. Alwaeli, H. Said, and K. , A clinical study on the effects of cordless and conventional retraction techniques on the gingival and periodontal health, Journal of Clinical Periodontology, vol.24, issue.12, 2008.
DOI : 10.14219/jada.archive.2003.0078

S. Chandra, A. Singh, K. Gupta, C. Chandra, and V. Arora, Effect of gingival displacement cord and cordless systems on the closure, displacement, and inflammation of the gingival crevice, The Journal of Prosthetic Dentistry, vol.115, issue.2, pp.177-82, 2016.
DOI : 10.1016/j.prosdent.2015.06.023

U. Van-der-velden, Probing force and the relationship of the probe tip to the periodontal tissues, Journal of Clinical Periodontology, vol.60, issue.2, pp.106-120, 1979.
DOI : 10.1902/jop.1968.39.6.311

V. Bennani, J. Aarts, and L. He, A comparison of pressure generated by cordless gingival displacement techniques, The Journal of Prosthetic Dentistry, vol.107, issue.6, pp.388-92
DOI : 10.1016/S0022-3913(12)60097-3

V. Bennani, M. Inger, and J. Aarts, Comparison of pressure generated by cordless gingival displacement materials, The Journal of Prosthetic Dentistry, vol.112, issue.2, pp.163-170
DOI : 10.1016/j.prosdent.2013.09.035

P. Lesage, Expasyl: protocole d'utilisation en prothèse fixée, Clinic, vol.2, issue.23, pp.97-103, 2002.

I. Ericsson and J. Lindhe, Recession in sites with inadequate width of the keratinized gingival An experimental study in the dog, Romagna-Genon C, Genon P. Esthétique et parodontie: les clés du succès, pp.95-103, 1984.
DOI : 10.1902/jop.1955.26.1.26

É. Cdp-52, I. Roitt, J. Brostoff, D. Male, . Immunology et al., Relationship of surface epithelium concentrations of IL-1 alpha and IL- 1 beta to clinical inflammation during experimental gingivitis, Monogr Oral Sci, vol.17, pp.20-31, 2000.

M. Mogi, J. Otogoto, N. Ota, H. Inagaki, M. Minami et al., Interleukin 1??, interleukin 6, ??2-microglobulin, and transforming growth factor-?? in gingival crevicular fluid from human periodontal disease, Archives of Oral Biology, vol.44, issue.6, pp.535-544, 1999.
DOI : 10.1016/S0003-9969(99)00020-5

O. Zuhr and M. Hürzeler, Chirurgie plastique et esthétique en parodontie et implantologie une approche microchirurgicale. Paris; Berlin; Chicago: Quintessence international, 2013.

J. Kois, Altering Gingival Levels: The Restorative Connection Part I: Biologic Variables, Journal of Esthetic and Restorative Dentistry, vol.6, issue.1, pp.3-7, 1994.
DOI : 10.1902/jop.1961.32.3.261

S. Gracis, M. Fradeani, R. Celletti, and G. Bracchetti, Biological integration of aesthetic restorations: factors influencing appearance and long-term success, 29?44. 58. Viargues P. La position des limites cervicales de préparation en prothèse fixée. Analyse de la littérature : conséquences cliniques, pp.3-18, 2000.
DOI : 10.1902/jop.1953.24.3.172

J. Harrison, Effect of retraction materials on the gingival sulcus epithelium, The Journal of Prosthetic Dentistry, vol.11, issue.3, pp.514-535, 1961.
DOI : 10.1016/0022-3913(61)90234-7

H. Löe and J. Silness, Tissue reactions to string packs used in fixed restorations, pp.318-343, 1963.

J. Ruel, P. Schuessler, K. Malament, and D. Mori, Effect of retraction procedures on the periodontium in humans, The Journal of Prosthetic Dentistry, vol.44, issue.5, pp.508-523, 1980.
DOI : 10.1016/0022-3913(80)90069-4

J. Yang, C. Tsai, M. Chen, J. Wei, S. Lee et al., Clinical study of a newly developed injection-type gingival retraction material, Chin Dent J, vol.24, issue.3, pp.147-151, 2005.

J. Feng, H. Aboyoussef, S. Weiner, S. Singh, and J. Jandinski, The Effect of Gingival Retraction Procedures on Periodontal Indices and Crevicular Fluid Cytokine Levels: A Pilot Study, Journal of Prosthodontics, vol.16, issue.2, pp.108-120, 2006.
DOI : 10.1067/mpr.2001.115276

O. Kumbuloglu, A. User, S. Toksavul, and H. Boyacioglu, Clinical evaluation of different gingival retraction cords, Quintessence Int. Feb, vol.38, issue.2, pp.92-100, 2007.

C. Liu, F. Huang, L. Yang, L. Chou, M. Chou et al., Cytotoxic effects of gingival retraction cords on human gingival fibroblasts in vitro, Journal of Oral Rehabilitation, vol.28, issue.4, pp.368-72, 2004.
DOI : 10.1046/j.1365-2591.2002.00459.x

B. Wöstmann, P. Rehmann, and M. Balkenhol, Influence of different retraction techniques on crevicular fluid flow, Int J Prosthodont, vol.21, issue.3, pp.215-221, 2008.

I. Kopac, E. Cvetko, and L. Marion, Gingival inflammatory response induced by chemical retraction agents in beagle dogs, Int J Prosthodont, vol.15, issue.1, pp.14-23, 2002.

N. Polat, A. Ozdemir, and M. Turgut, Effects of gingival retraction materials on gingival blood flow, Int J Prosthodont, vol.20, issue.1, pp.57-62, 2007.

S. Phatale, P. Marawar, G. Byakod, S. Lagdive, and J. Kalburge, Effect of retraction materials on gingival health: A histopathological study, Journal of Indian Society of Periodontology, vol.14, issue.1, pp.35-44, 2010.
DOI : 10.4103/0972-124X.65436

L. Felpel, A review of pharmacotherapeutics for prosthetic dentistry: Part I, The Journal of Prosthetic Dentistry, vol.77, issue.3, pp.285-92, 1997.
DOI : 10.1016/S0022-3913(97)70186-0

J. L. Blanchard, accès aux limites cervicales : sécurité et efficacité, Inf Dent, issue.9, pp.442-445, 2006.

H. Baharav, B. Laufer, Y. Langer, and H. Cardash, The effect of displacement time on gingival crevice width, Int J Prosthodont, vol.10, issue.3, pp.248-53, 1997.

A. Al-ani, V. Bennani, N. Chandler, K. Lyons, and W. Thomson, New Zealand dentists' use of gingival retraction techniques for fixed prosthodontics and implants, N Z Dent J, 2010.

R. Azzi, T. Tsao, F. Carranza, . Jr, and E. Kenney, Comparative study of gingival retraction methods, The Journal of Prosthetic Dentistry, vol.50, issue.4
DOI : 10.1016/0022-3913(83)90581-4

A. Gabbar, F. Aboulazm, and S. , Comparative study on gingival retraction using mechanochemical procedure and pulsed Nd = YAG laser irradiation, Egypt Dent J, 1995.

Ö. Acar, S. Erkut, T. Özçelik, E. Ozdem?r, and M. Akçil, A clinical comparison of cordless and conventional displacement systems regarding clinical performance and impression quality, The Journal of Prosthetic Dentistry, vol.111, issue.5, pp.388-94, 2014.
DOI : 10.1016/j.prosdent.2013.08.009

M. Mohan, Pharmacological Agents in Dentistry: A Review, British Journal of Pharmaceutical Research, vol.1, issue.3, 2011.
DOI : 10.9734/BJPR/2011/272

I. Kopac, M. Sterle, and L. Marion, Electron microscopic analysis of the effects of chemical retraction agents on cultured rat keratinocytes, J Prosthet Dent, vol.187, issue.31, pp.51-57, 2002.

G. Lodetti, D. Abrosca, F. Fontana, P. Pavoni, E. Gigola et al., Set up of in vitro methods able to detect the safety of astringent liquids]. Minerva Stomatol, pp.361-368, 2004.

R. Woody, A. Miller, and R. Staffanou, Review of the pH of hemostatic agents used in tissue displacement, The Journal of Prosthetic Dentistry, vol.70, issue.2, pp.191-193, 1993.
DOI : 10.1016/0022-3913(93)90018-J

D. Nowakowska, J. Saczko, J. Kulbacka, A. Choromanska, Z. Raszewski et al., Cytotoxic potential of vasoconstrictor experimental gingival retraction agents: in vitro study on primary human gingival fibroblasts Dynamic oxidoreductive potential of astringent retraction agents SEM-EDX study of prepared human dentine surfaces exposed to gingival retraction fluids, Folia Biol (Praha). Folia Biol (Praha). J Dent, vol.585633, issue.839, pp.731-740, 2005.

H. Löe, The Gingival Index, the Plaque Index and the Retention Index Systems, Journal of Periodontology, vol.38, issue.6 Part II, pp.610-616, 1967.
DOI : 10.1902/jop.1967.38.6_part2.610

R. Palmer, P. Floyd, U. Beier, I. Grunert, S. Kulmer et al., Periodontology: a clinical approach. 1. Periodontal examination and screening Quality of impressions using hydrophilic polyvinyl siloxane in a clinical study of 249 patients, Br Dent J. Int J Prosthodont, vol.17820, issue.863, pp.185-9270, 1995.

A. Gupta, D. Prithviraj, D. Gupta, D. Shruti, F. Leite et al., Clinical Evaluation of Three New Gingival Retraction Systems: A Research Report A double-blind randomised clinical trial of two techniques for gingival displacement, 36?42. 88. Sarmento HR, 2013.

P. Bercy and H. Tenenbaum, Parodontologie: du diagnostic à la pratique Bruxelles: De Boeck; 1997. 90. Silness J, Löe H. Periodontal disease in pregnancy. II. Correlation between oral hygiene and periodontal condtion, Acta Odontol Scand. Feb, vol.22, pp.121-156, 1964.

C. Huang, M. Somar, K. Li, and J. Mohadeb, Efficiency of Cordless Versus Cord Techniques of Gingival Retraction: A Systematic Review, Journal of Prosthodontics, vol.139, issue.3, pp.177-185
DOI : 10.14219/jada.archive.2008.0047

N. Labban, A Simple Technique to Reduce the Risk of Irreversible Gingival Recession after the Final Impression, Journal of Prosthodontics, vol.24, issue.8, pp.649-51, 2011.
DOI : 10.1111/j.1600-051X.2008.01335.x

V. Bennani, D. Schwass, and N. Chandler, Gingival Retraction Techniques for Implants Versus Teeth, The Journal of the American Dental Association, vol.139, issue.10, pp.1354-63, 2008.
DOI : 10.14219/jada.archive.2008.0047

S. Ahmed and T. Donovan, Gingival displacement: Survey results of dentists' practice procedures, The Journal of Prosthetic Dentistry, vol.114, issue.1, pp.81-86
DOI : 10.1016/j.prosdent.2014.11.015

M. Mccracken, D. Louis, M. Litaker, H. Minyé, T. Oates et al., National Dental PBRN Collaborative Group. Impression Techniques Used for Single-Unit Crowns: Findings from the National Dental Practice-Based Research Network, J Prosthodont, 2017.

J. Baillon, Les techniques d'accès aux limites cervicales en prothèse fixée : habitudes des praticiens en Midi-Pyrénées Thèse d'exercice en chirurgie dentaire, 2014.

C. Malidin, Les techniques d'accès aux limites cervicales en prothèse fixée: indications et incidences sur la santé parodontale. Thèse pour le diplôme d'Etat de Docteur en chirurgie dentaire, 2013.