Doğal Gülümseme Estetiğinde Maksiller Anterior Diş Boyut ve Oranları İle İlgili Teoriler
Özet
Doğal gülümseme estetiği tasarlanırken doğayı taklit etmek esas olup, diş hekimlerine rehberlik etmesi amacıyla matematiksel ilişkilere dayanan Altın Oran (1.618:1.0), Preston Oranı, interkanin genişliği temel alan Altın Yüzde ve esneklik sunan Tekrarlayan Estetik Dental Oran (RED) gibi çeşitli formüller geliştirilmiştir. Ayrıca Chu'nun renk kodlu Gauge Oranı, Plato ve insan normu oranları da literatürde yer almaktadır. Yapılan klinik çalışmalar, bu geometrik oranların popülasyonlar arasında mutlak doğrulukta olmadığını ve kişilerin diş uzunluklarına göre tedavi tercihlerinin değiştiğini göstermektedir. Estetik yapıyı belirleyen diğer kritik faktör olan gülümseme hattı ise üst ve alt dudakların dişlerle olan vertikal uyumu ve eğriliği ile açıklanmakta, cinsiyete göre yapısal farklılıklar sergilemektedir. Gülüş tasarımı öncesinde doğru analiz için statik fotoğraf kayıtlarının yanı sıra, dijital videografi gibi ileri düzey dinamik yöntemlerden yararlanılmaktadır. Sonuç olarak, matematiksel standartlar diş hekimliğinde önemli sanatsal kılavuzlar sağlasa da estetik algısının kişiden kişiye, kültürden kültüre değiştiği unutulmamalı ve her hastanın kendine özgü dentofasiyal özellikleri doğrultusunda bireysel bir tedavi planlaması yapılmalıdır.
Designing natural smile aesthetics is fundamentally based on mimicking nature, and various formulas grounded in mathematical relationships, such as the Golden Proportion (1.618:1.0), Preston Proportion, Golden Percentage based on intercanine width, and the Recurring Esthetic Dental Proportion (RED) which offers flexibility, have been developed to guide dentists. Additionally, Chu's color-coded Gauge Proportion, Plato, and human norm proportions are present in the literature. Clinical studies demonstrate that these geometric proportions are not absolutely accurate across all populations and that treatment preferences vary depending on the tooth length of individuals. Another critical factor determining the aesthetic structure, the smile line, is explained by the vertical harmony and curvature of the upper and lower lips with the teeth, exhibiting structural differences based on gender. For an accurate analysis prior to smile design, advanced dynamic methods such as digital videography are utilized in addition to static photographic records. Consequently, although mathematical standards provide important artistic guidelines in dentistry, it must be remembered that the perception of aesthetics varies from person to person and culture to culture, and individualized treatment planning should be performed in accordance with each patient's unique dentofacial characteristics.
Referanslar
Fradeani M. Evaluation of dentolabial parameters as part of a comprehensive esthetic analysis. European journal of esthetic dentistry: official journal of the European Academy of Esthetic Dentistry. 2006;1(1): 62-69.
Seiler R, Galassi FM, Rühli F, Eppenberger P. Aesthetic Dentistry in the 18th Century: When Beauty Counted More than Health. Annals of Dentistry and Oral Disorders. 2018;1(1):109. doi:10.5167/uzh-168816
Lakshmi S, Abraham A, Selvakumaran G, et al. Influence of aesthetic dental and facial measurements on patient satisfaction between genders in Indian patients. Tanta Dental Journal. 2015;12(3):197-202. doi:10.1016/j.tdj.2015.05.008
Hall WR. Shapes and sizes of teeth from American system of dentistry. Philadelphia (PA): Lea Bros&Co; 1887. p.971.
Goldstein RE. Study of need for esthetics in dentistry. The Journal of Prosthetic Dentistry. 1969;21(6):589-598. doi:10.1016/0022-3913(69)90005-5
Chiche GJ, Pinault A. Esthetics of anterior fixed prosthodontics. Chicago (IL): Quintessence Publishing; 1994.
Berry FH. Is the theory of temperament the foundation to the study of prosthetic art? Dent Mag. (1905–1906):405-413.
Williams JL. A new classification of human tooth forms with a special reference to a new system of artificial teeth. The Dental Cosmos. 1914;56:627.
Pound E. Esthetic dentures and their phonetic values. The Journal of Prosthetic Dentistry.1951;(1-2):98-111. doi:10.1016/0022-3913(51)9008 5-6
Dahlberg JP. Reconstructing the natural appearance by immediate dentures. The Journal of Prosthetic Dentistry. 1965;15:205-212. doi:10.1016/0022-3913(65)90088-0
Goldstein RE. Change Your Smile, 3rd edn. Chicago: Quintessence, 1997.
Ward DH. Proportional smile design using the recurring esthetic dental (red) proportion. Dental clinics of North America. 2001;45:143-154.
Magne P, Belser U. Natural oral esthetics. In: Magne P, Belser U. Bonded Porcelain Restorations in the Anterior Dentition: a Biomimetic Approach, 1st edn. Chicago: Quintessence, 2002; 57–96.
Rosensteil SF, Land MF, Fujimoto J.(n.d.). Contemporary Fixed prosthodontics, 2006.
Laxmikanth SM, Raghavendra SR. Golden proportion: A review. In Journal of Advanced Clinical and Research Insights. 2014;(1):25-29. doi:10.15713/INS.JCRI.8
Lombardi RE. The principles of visual perception and their clinical application to denture esthetics. The Journal of Prosthetic Dentistry. 1973; 29(4):358-82. doi: 10.1016/s0022-3913(73)80013-7.
Levin EI. Dental esthetics and the golden proportion. The Journal of Prosthetic Dentistry. 1978;40(3):244-252. doi:10.1016/0022-3913(78) 90028-8.
Snow SR. Esthetic smile analysis of maxillary anterior tooth width: the golden percentage. Journal of Esthetic and Restorative Dentistry. 1999;11(4):177. doi: 10.1111/j.1708-8240.1999.tb00397.x.
Murthy BVS, Ramani N. Evaluation of natural smile: Golden proportion, RED or Golden percentage. Journal of Conservative Dentistry. 2008;11:16-21. doi: 10.4103/0972-0707.43413.
Wolfart S, Thormann H, Freitag S, et al. Assessment of dental appearance following changes in incisor proportions. The European Journal of Oral Sciences. 2005;113:159-165. doi:10.1111/j.1600-0722.2 005.00206.x
Chander NG, Kumar VV, Rangarajan V. Golden proportion assessment between maxillary and mandibular teeth on Indian population. The Journal of Advanced Prosthodontics. 2012;4(2):72-5. doi: 10.4047/jap.2012.4.2.72
Mahshid M, et al. Evaluation of “golden proportion” in individuals with an esthetic smile. Journal of Esthetic and Restorative Dentistry. 2004;16(3):185-193.
Preston JD. The golden proportion revisited. Journal of Esthetic Dentistry. 1993;5(6):247-51. doi: 10.1111/j.1708-8240.1993.tb00788.x
Rabi T. Esthetic dental proportions and measurements comprising a natural esthetic smile: a literature review. Saudi Journal of Oral and Dental Research. 2021;6(6):270-273. doi:10.36348/sjodr.2021.v06i06.0 07
Ward DH. Using the RED proportion to engineer the perfect smile. Dentistry Today. 2008; 27(5), 112, 114-117.
Ward DH. A study of dentists’ preferred maxillary anterior tooth width proportions: comparing the recurring esthetic dental proportion to other mathematical and naturally occurring proportions. Journal of Esthetic and Restorative Dentistry. 2007;19(6):324-339. doi: 10.1111/j.1708-8240.2007.00114.x.
Liao P, Fan Y, Nathanson D. Evaluation of maxillary anterior teeth width: A systematic review. The Journal of Prosthetic Dentistry. 2019;122(3):275-281. doi: 10.1016/j.prosdent.2018.10.015
Chu SJ. Range and mean distribution frequency of individual tooth width of the maxillary anterior dentition. Practical Procedures & Aesthetic Dentistry. 2007;19(4):209-215.
Frush JP, Fisher RD. The dynesthetic interpretation of the dentogenic concept. The Journal of Prosthetic Dentistry. 1958;8:558-81. doi: 10.1016/0022-3913(58)90043-X
Jameson WS. Dynesthetic and dentogenic concept revisited. Journal of Esthetic and Restorative Dentistry. 2002;14:139-48. doi: 10.1111/j.1708-8240.2002.tb00514.x.
Hulsey CM. An esthetic evaluation of lip-teeth relationships present in the smile. American Journal of Orthodontics and Dentofacial Orthopedics. 1970;57:132-44. doi:10.1016/0002-9416(70) 90260-5.
Tjan AH, Miller GD, The JG. Some esthetic factors in a smile. The Journal of Prosthetic Dentistry. 1984;51:24-8. doi: 10.1016/s0022-3913 (84)80097-9.
Sabri R. The eight components of a balanced smile. Journal of Clinical Orthodontics. 2005; 39(3):155-67.
Kokich VO, Kiyak HA, Shapiro PA. Comparing the perception of dentists and lay people to altered dental esthetics. Journal of Esthetic and Restorative Dentistry. 1999;11(6):311-24. doi:10.1111/j.1708-8240.1999. tb00414.x.
Sharma PK, Sharma P. Dental Smile Esthetics: The Assessment and Creation of the Ideal Smile. Seminars in Orthodontics. 2012;18:193-201. doi: 10.1053/J.SODO.2012.04.004
AW. M. 10 commandments of smile esthetics. Dental Press Journal of Orthodontics. 2014;19:136-157. doi: 10.1590/2176-9451.19.4.136-157.sar
Van der Geld P, Oosterveld P, Schols J, et al. Smile line assessment comparing quantitative measurement and visual estimation, American Journal of Orthodontics and Dentofacial Orthopedics. 2011;139:174-180.doi: 10.1016/j.ajodo.2009.09.021
Peck S, Peck L, Kataja M. Some vertical lineaments of lip position. American Journal of Orthodontics and Dentofacial Orthopedics. 1992;101:519‑24. doi: 10.1016/0889-5406(92)70126-U
Sarver DM. The importance of incisor positioning in the esthetic smile: the smile arc. American Journal of Orthodontics and Dentofacial Orthopedics: Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics. 2001;120(2):98-111. doi: 10.1067/mod.2001.114301
Özdemir H, Bayındır F. Doğal Dişli Bireylerde Altın Oranın Değerlendirilmesi. Atatürk Üniversitesi Diş Hekimliği Fakültesi Dergisi. 2016;26(2):251-255. doi: 10.17567/dfd.44496
Mahajan V, Nagpal A, Gupta R, et al. Comparative Evaluation of Golden Proportion, Recurring Esthetic Dental Proportion and Golden Percentage in Himachal Demographic. Journal of Advances in Medicine and Medical Research. 2019;29(10):1-7. doi:10.9734/jammr/2019/v29i1 030133
Rosenstiel SF, Ward DH, Rashid RG. Dentists’ preferences of anterior tooth proportion--a web-based study. Journal of Prosthodontics: Official Journal of the American College of Prosthodontists. 2000;9(3):123-136. doi: 10.1053/jopr.2000.19987
Janzen E. A balanced smile- a most important treatment objective. American Journal of Orthodontics and Dentofacial Orthopedics. 1977;72:359-372. doi: 10.1016/0002-9416(77)90349-9
Sarver DM, Ackerman MB. Dynamics smile visualization and quantification: part 1. Evolution of the concept and dynamic records for smile capture. American Journal of Orthodontics and Dentofacial Orthopedics. 2003;124:4-12.
Tarantili VV, Halazonetis DJ, Spyropoulos MN. The spontaneous smile in dynamic motion. American Journal of Orthodontics and Dentofacial Orthopedics. 2005;128:8-15. doi:10.1016/j.ajodo.2004.03.0 42
Ackerman JL, Ackerman MB, Brensinger CM, et al. A morphometric analysis of the posed smile. Clinical Orthodontics and Research. 1998;1:2-11. doi: 10.1111/ocr.1998.1.1.2
