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Indian Dental Academy: will be one of the most relevant and exciting

training center with best faculty and flexible training programs

for dental professionals who wish to advance in their dental

practice,Offers certified courses in Dental

implants,Orthodontics,Endodontics,Cosmetic Dentistry, Prosthetic

Dentistry, Periodontics and General Dentistry.

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Dental perspective/ orthodontic insurance Dental perspective/ orthodontic insurance Presentation Transcript

  • DENTAL PERSPECTIVEDENTAL PERSPECTIVE INDIAN DENTAL ACADEMY Leader in continuing dental education www.indiandentalacademy.com www.indiandentalacademy.comwww.indiandentalacademy.com
  • ContentsContents  IntroductionIntroduction  Classification of smileClassification of smile  components of smilecomponents of smile  various dental componentsvarious dental components  SummarySummary  ReferencesReferences www.indiandentalacademy.comwww.indiandentalacademy.com
  • INTRODUCTIONINTRODUCTION  The word ‘esthetics’ comes from the Greek wordThe word ‘esthetics’ comes from the Greek word ‘aistheticos’ meaning of ‘sense perception’ .‘aistheticos’ meaning of ‘sense perception’ .  ““Esthetics is a branch of philosophy dealing withEsthetics is a branch of philosophy dealing with beauty and beautiful, especially with judgment ofbeauty and beautiful, especially with judgment of taste concerning them”.taste concerning them”. www.indiandentalacademy.comwww.indiandentalacademy.com
  •  The art of esthetic dentistry can be defined as theThe art of esthetic dentistry can be defined as the creation of beauty in form and function of thecreation of beauty in form and function of the orofacial complex.orofacial complex.  The role of prosthodontist in carving an aestheticallyThe role of prosthodontist in carving an aesthetically pleasing smile is exceptionally important owing topleasing smile is exceptionally important owing to the rehabilitative treatment procedures he is expertisethe rehabilitative treatment procedures he is expertise in.in. www.indiandentalacademy.comwww.indiandentalacademy.com
  • Classification of a smileClassification of a smile  The Commissure smile (67%)The Commissure smile (67%)  The Cuspid smile (31%)The Cuspid smile (31%)  Complex smile (2%)Complex smile (2%) www.indiandentalacademy.comwww.indiandentalacademy.com
  • Components of a smileComponents of a smile  Facial componentsFacial components  Dental componentsDental components  Gingival componentsGingival components  Physical componentsPhysical components www.indiandentalacademy.comwww.indiandentalacademy.com
  • Dental componentsDental components  MidlineMidline  Incisal edgesIncisal edges  Incisal embrasuresIncisal embrasures  Contact points / connectorsContact points / connectors  Axial inclinationAxial inclination  Tooth ratioTooth ratio  Tooth textureTooth texture  Tooth formTooth form  GradationGradation  Shade progressionShade progression www.indiandentalacademy.comwww.indiandentalacademy.com
  • MidlineMidline  Facial midlineFacial midline  Canted midlineCanted midline www.indiandentalacademy.comwww.indiandentalacademy.com
  • Incisal edgesIncisal edges  General contourGeneral contour  Inter – incisal angleInter – incisal angle  ThicknessThickness www.indiandentalacademy.comwww.indiandentalacademy.com
  • General contourGeneral contour  Incisal edges of mandibular teeth, which are often leftIncisal edges of mandibular teeth, which are often left intact and can provide significant assistance inintact and can provide significant assistance in configuring maxillary teeth.configuring maxillary teeth. www.indiandentalacademy.comwww.indiandentalacademy.com
  • Inter incisal anglesInter incisal angles  Mesioincisal andMesioincisal and distoincisal angles have adistoincisal angles have a great influence on thegreat influence on the definition of the so-calleddefinition of the so-called negative spacenegative space  used to create illusiveused to create illusive effects of dimensioneffects of dimension www.indiandentalacademy.comwww.indiandentalacademy.com
  • ThicknessThickness  Esthetically pleasingEsthetically pleasing incisors display a thinincisors display a thin and delicate edge.and delicate edge.  Thick incisal edges canThick incisal edges can make teeth look old,make teeth look old, artificial, and bulky.artificial, and bulky. www.indiandentalacademy.comwww.indiandentalacademy.com
  • Incisal embrasuresIncisal embrasures  The pattern of silhouettingThe pattern of silhouetting created by the edges andcreated by the edges and separations between theseparations between the maxillary anterior teethmaxillary anterior teeth against the darker backgroundagainst the darker background of the mouth helps define aof the mouth helps define a good-looking smile .good-looking smile .  The size and volume of theThe size and volume of the incisal embrasures betweenincisal embrasures between teeth increase as the dentitionteeth increase as the dentition progresses away from theprogresses away from the midlinemidline www.indiandentalacademy.comwww.indiandentalacademy.com
  • Contact points / connectorsContact points / connectors  The contact points – 2x2mmThe contact points – 2x2mm  Marked by passingMarked by passing articulating ribbonarticulating ribbon  The connector zoneThe connector zone  50-40-30 rule50-40-30 rule www.indiandentalacademy.comwww.indiandentalacademy.com
  • Axial inclinationAxial inclination  follows a progression asfollows a progression as the teeth move awaythe teeth move away from the midline.from the midline. www.indiandentalacademy.comwww.indiandentalacademy.com
  • Tooth ratioTooth ratio  Due to individualDue to individual variations and proximal/variations and proximal/ incisal tooth wear, it isincisal tooth wear, it is difficult to providedifficult to provide adequate tooth ratio.adequate tooth ratio.  Golden proportion-Golden proportion- lombardilombardi  Preston’s studyPreston’s study www.indiandentalacademy.comwww.indiandentalacademy.com
  •  Sterrett’s studySterrett’s study  Crown width/length ratios of incisors and canines areCrown width/length ratios of incisors and canines are identical (range 77% to 86%).identical (range 77% to 86%).  Central incisors are wider than lateral incisors by about 2Central incisors are wider than lateral incisors by about 2 to 3 mm.to 3 mm.  Central incisors are wider than canines by about 1 to 1.5Central incisors are wider than canines by about 1 to 1.5 mm.mm.  Canines are wider than lateral incisors by about 1 to 1.5Canines are wider than lateral incisors by about 1 to 1.5 mm.mm.  Central incisors and canines have similar crown heightsCentral incisors and canines have similar crown heights (variation of only about 0 . 5 mm), an average of 1 to 1.5(variation of only about 0 . 5 mm), an average of 1 to 1.5 mm longer than lateral incisors.mm longer than lateral incisors.www.indiandentalacademy.comwww.indiandentalacademy.com
  • Tooth textureTooth texture  Texture diminishes with age,Texture diminishes with age, resulting in decreased lightresulting in decreased light reflection and darker teeth.reflection and darker teeth.  The horizontal component VsThe horizontal component Vs vertical componentvertical component  Reproduction of surface detailsReproduction of surface details in restorative dentistry.in restorative dentistry.  Surface texture andSurface texture and morphology can also be used tomorphology can also be used to generate illusive effects of sizegenerate illusive effects of size www.indiandentalacademy.comwww.indiandentalacademy.com
  • Tooth formTooth form  Central incisorsCentral incisors www.indiandentalacademy.comwww.indiandentalacademy.com
  • Three main typal tooth forms.Three main typal tooth forms.  Square: Straight outline withSquare: Straight outline with marked and parallel transition linemarked and parallel transition line angles and lobes.angles and lobes.  Ovoid : Rounded outline withOvoid : Rounded outline with smooth transition line angles (nosmooth transition line angles (no lobes) showing incisal and cervicallobes) showing incisal and cervical convergence ("barrel" shape).convergence ("barrel" shape).  Triangular : Straight outline withTriangular : Straight outline with marked transition line angles andmarked transition line angles and lobes showing cervicallobes showing cervical convergence (distinct inclination ofconvergence (distinct inclination of the distal outline).the distal outline). www.indiandentalacademy.comwww.indiandentalacademy.com
  • Lateral incisorsLateral incisors  peg-shaped lateral incisors,peg-shaped lateral incisors, anomalies such as a pointedanomalies such as a pointed tubercle and a deeptubercle and a deep develop-mental groovedevelop-mental groove extending lingually downextending lingually down the root.the root. www.indiandentalacademy.comwww.indiandentalacademy.com
  • CaninesCanines www.indiandentalacademy.comwww.indiandentalacademy.com
  • GradationGradation  When similar structuresWhen similar structures are aligned in an archare aligned in an arch form one after the otherform one after the other they appear tothey appear to progressively abate inprogressively abate in size from the nearest tosize from the nearest to the farthest. This givesthe farthest. This gives an illusion of depth.an illusion of depth. www.indiandentalacademy.comwww.indiandentalacademy.com
  • www.indiandentalacademy.comwww.indiandentalacademy.com
  • Shade progressionShade progression www.indiandentalacademy.comwww.indiandentalacademy.com
  • Dental CompositionDental Composition  the size, shape, and intra and interarch relationshipsthe size, shape, and intra and interarch relationships  Tooth size is determined by measuring the incisogingival length andTooth size is determined by measuring the incisogingival length and dividing it by its mesiodistal width.dividing it by its mesiodistal width.  Researchers have attempted to geometrically link the width of race,Researchers have attempted to geometrically link the width of race, gender, bizygomatic width, and size of the face.gender, bizygomatic width, and size of the face.  Rufenacht has proposed morphopsychological determination of theRufenacht has proposed morphopsychological determination of the ideal proportion and has suggested that the width of the centralideal proportion and has suggested that the width of the central incisor should be considered constant throughout life.incisor should be considered constant throughout life. www.indiandentalacademy.comwww.indiandentalacademy.com
  •  The width/length ratio of the central incisor shouldThe width/length ratio of the central incisor should range from 0.75 to 0.8range from 0.75 to 0.8  lower values create a long narrow tooth, while valueslower values create a long narrow tooth, while values greater than this range result in a short wide tooth.greater than this range result in a short wide tooth.  Other factors to determine the tooth dimension .Other factors to determine the tooth dimension .  If no records are available, age, sex, race, andIf no records are available, age, sex, race, and personality should be considered.personality should be considered. www.indiandentalacademy.comwww.indiandentalacademy.com
  • Golden proportionGolden proportion  beauty as an exactbeauty as an exact mathematical conceptmathematical concept  This led Pythagoras toThis led Pythagoras to conceive the Goldenconceive the Golden Proportion (1/1.618 =Proportion (1/1.618 = 0.618), and Plato, the0.618), and Plato, the Beautiful ProportionBeautiful Proportion (1/1.733 = 0.577).(1/1.733 = 0.577).  S/L = L/(S + L) = 2/(1 +S/L = L/(S + L) = 2/(1 + 5) = 0.6185) = 0.618 www.indiandentalacademy.comwww.indiandentalacademy.com
  • CONCLUSIONCONCLUSION  Dentistry is an ever changing science. As newDentistry is an ever changing science. As new research and clinical experience broaden ourresearch and clinical experience broaden our knowledge, changes in treatment are required. Thisknowledge, changes in treatment are required. This paradigm shift in the field of dentistry comes alongparadigm shift in the field of dentistry comes along just in time to meet the final needs and wants ofjust in time to meet the final needs and wants of patient who perceives an attractive smile no longer aspatient who perceives an attractive smile no longer as a luxury but rather a necessary part of their life style.a luxury but rather a necessary part of their life style. www.indiandentalacademy.comwww.indiandentalacademy.com
  •  While there is no shortcut to success or secretWhile there is no shortcut to success or secret formula, practical application of the aestheticformula, practical application of the aesthetic principles can achieve a successful prosthodonticprinciples can achieve a successful prosthodontic result, gratifying to both patient and practitioner.result, gratifying to both patient and practitioner. www.indiandentalacademy.comwww.indiandentalacademy.com
  • ReferencesReferences  1) Goldstein, RE: Change your Smile, ed 3 Chicago,1) Goldstein, RE: Change your Smile, ed 3 Chicago, Quintessence, 1997.Quintessence, 1997.  2) David A. Garber : The edentulous ridge in fixed2) David A. Garber : The edentulous ridge in fixed prosthodontics.prosthodontics.  3) Robert Rifkin : Facial analysis: a comprehensive3) Robert Rifkin : Facial analysis: a comprehensive approach in treatment planning in aesthetic dentistry :approach in treatment planning in aesthetic dentistry : Pract Periodont Aesthet Dent 2000;12(9):865-871Pract Periodont Aesthet Dent 2000;12(9):865-871  4) Irfan Ahmad : Geometric consideration in anterior4) Irfan Ahmad : Geometric consideration in anterior dental aesthetics. Pract Periodont Aesthet Dentdental aesthetics. Pract Periodont Aesthet Dent 1998;10(7):813-8221998;10(7):813-822www.indiandentalacademy.comwww.indiandentalacademy.com
  •  Esthetic dentistry- an artist’s science;Esthetic dentistry- an artist’s science; Ratnadeep patil.Ratnadeep patil.  Anterior dental aestheics; dental perspective;Anterior dental aestheics; dental perspective; Ahmed, BDJ;199;2;july 2005.Ahmed, BDJ;199;2;july 2005. www.indiandentalacademy.comwww.indiandentalacademy.com
  • Thank you For more details please visit www.indiandentalacademy.com www.indiandentalacademy.comwww.indiandentalacademy.com