Aids for esthetic restorations /orthodontic continuing education


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Aids for esthetic restorations /orthodontic continuing education

  1. 1. GOOD MORNING INDIAN DENTAL ACADEMY Leader in continuing dental education m
  3. 3. Introduction Need for esthetics Types of aids Instrumental aids Material aids Operator bias Conclusion References m
  4. 4. Introduction m
  5. 5. Need for esthetics: Dentist point of view Patient point of view m
  8. 8. BEHREND CLINOMETER Donald Albert Behrend is a Prosthodontist, living and practicing in Melbourne, Australia. Dr. Behrend has worked for many years perfecting a system for controlling certain esthetics during prosthodontic treatment. He invented the measuring device presented herewith known as CLINOMETER. It helps determine the correct tooth and incisal plane angulations for the patient and permit the dentist to communicate this information to the dental laboratory. A similar laboratory clinometer which is attached to the articulator is used during case fabrication to precisely capture the desired angles m
  9. 9. clinometer m
  10. 10. BEHREND CLINOMETER AND PARTS OF IT : An instrument for controlling the esthetics and angulation of anterior teeth and communicating this to the dental laboratory. The two principal component of the system are the operators clinometer (Large screen) and laboratory clinometer (small screen). Using the operatory clinometer, the dentist choose the ideal angle for the teeth is viewed from the front. This angle – esthetic angle for the face- is recorded and transmitted to the dental technician with the work authorization. Using a laboratory clinometer fitted to the articulator, the technician is then able to control the alignment of the artificial teeth or restoration to conform with the dentist’s m
  11. 11. INDICATIONS OF CLINOMETER It is of great value in the construction of anterior veneer, crowns, fixed and removable partial dentures, complete dentures and implant prostheses. It may also be used in the planning and control of orthodontic treatment and orthognathic surgery. CONTRAINDICATIONS OF CLINOMEER Gross asymmetry of the face. m
  12. 12. Use of Operating Clinometer : The esthetic angle of the patient’s face can be measured at the treatment planning stage or at any subsequent stage of the treatment procedure. When anterior teeth are to be restored with crowns or a fixed partial denture, it is advantageous to measure the esthetic angle of the face prior to tooth preparation. The operatory clinometer can then be used to check the alignment of the incisal edges of the preparations and to check the provisional restorations. m
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  15. 15. The operatory clinometer is used on the Hanau Spring Bow. While the esthetic angel is being measured, it is best for the patient and dentist to stand face to face. Fit the spring bow carrying the clinometer to the patient meatus. (Ask patient to help locate the ear plugs). Hold clinometer so that the upper horizontal line on the screen appears level with the pupils of the eye. The lower horizontal line will then be approximately level with the occlusal m
  16. 16. Rotate the Knurled knob to adjust the angle of the screen, setting the horizontal and vertical lines to harmonize with the patients face. While choosing the best angle, consider all the facial features. The interpupillary line is particularly important, but the long axis of the nose, the line of the lips and general outline of the face should also be taken into account. Remove the clinometer from the patient and note the esthetic angle in degrees clockwise (C) or Anticlockwise (A). Record this angle on work authorization form which is sent to dental laboratory m
  17. 17. Use of the Laboratory Clinometer : Careful mounting of the casts on the articulator using the spring bow registration is essential. Raise the incisal pin so that the casts can be viewed clearly from the front. Set the laboratory clinometer to the prescribed esthetic angle and secure it by turning the locking nut anti-clockwise. m
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  21. 21. It should be noted that the clinometer does not have a particular center line. However, the viewing angle can be chosen so that one of the vertical lines lie over the midline of the dentition. When this is done, the adjacent vertical lines will generally lie over the central incisor, lateral incisor and canine teeth. The outer lines are useful in controlling the angle of the posterior teeth. m
  22. 22. TRUBYTE TOOTH INDICATOR The selection of the six maxillary anterior teeth for edentulous patients is made primarily for esthetics and they must be in harmony with the surrounding oral environment in terms of size, form and colour. Manufacturers of artificial teeth have developed many devices for selecting anterior teeth. One of these is the Trubyte tooth indicator instrument, based on the work of J.Leon William and Milus House. m
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  24. 24. TRUBYTE TOOTH INDICATOR AND PARTS OF IT : Trubyte tooth indicator instrument (Dentsply / York Div York Pa) is a valuable guide in selecting the proper tooth form and correct size of anterior teeth. It is designed for easy reading of the 16 to 1 ratio between facial dimensions and teeth because research has shown this ratio to be the average relationship between the size of the face and the maxillary central in natural dentition. m
  25. 25. The tooth indicator is a clear plastic sheet with cut- cuts for positioning over the eyes and nose and a centre line for positioning over the midline of the face. The indicator has caliberated markings for measuring the width of the face at the zygoma, and the length of the face from hairline to gnathion when the lips are in light contact.
  26. 26. FUNCTION OF TRUBYTE TOOTH INDICATOR Trubyte tooth indicator instrument is a valuable guide in selecting the proper tooth form and correct size of anterior teeth. It is used to clinically determine the face form thus acting as guide in selection of anterior teeth. It is used to clinically determine the facial profile. Caliberated markings on tooth indicator helps to determine width and length of maxillary central incisor. m
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  28. 28. INDICATIONS : Primarily used in selecting proper tooth form and correct size of anterior teeth in completely edentulous patient. m
  29. 29. HOW TO USE TRUBYTE TOOTH INDICATOR : Place the tooth indicator on the patients face allowing the nose to come through the center triangle. Center the pupils of the eye in the eye slot and hold the indicator with its center line coinciding with its median line of the face. The long red indicator bar in the horizontal slot on the right side of the face plate is positioned, pinch the two ends together and advance the bar into the slot until it is fully sealed against the face plate. The shorter indicator bar is inserted in the same manner in the vertical slot at the bottom center of the face plate. m
  30. 30. Determination of Facial Form The form of the face will be best observed by noting the particular characteristic of each form as it appears in comparison with the vertical lines of the indicator. In square form, side of the face will approximately follow the vertical lines of the indicator. In square tapering from, the upper third of the face will be vertical and lower two thirds will taper inwards. m
  31. 31. In tapering faces, the sides of the face form the forehead to the angle of the jaw will taper at an inward diagonal. Ovoid faces will be best determined by examination of the curved out line of the face against the straight vertical of the tooth indicator. m
  32. 32. Determination of facial Profile : While the indicator is on the face, observe the relative straightness or curvature of the profile. Check the three points namely Glabella, Subnasale and Pogonion. m
  33. 33. Determination of Width and length of Central Incisor : The trubyte tooth indicator has caliberated markings for measuring the width of face at the zygomas, and the length of the face from hairline to gnathion when the lip, are in light contact. When these markings are adjusted to contact the face, the width and length of the maxillary central incisor may be read directly from the scale. m
  35. 35. VisoDent™ aims to help dentists with the proper color selection of dental restorative materials. With Visodent™, the dentist observes a part of the tooth and sees at the same time a part of the standard shade guide. A field of view consists of the images of these two parts that are contiguous to each other. This split image allows detection of any small color differences that are invisible to the naked eye between the tooth and a standard m
  36. 36. Here you can compare Conventional color matching VisoDent™ Time consuming, (~10 min) Fast, (< 1 min) Depends on ambient illumination Uses own white light source (color temperature 5500 K) Depends on dentist’s color vision and condition Dentist compares only two adjoined fields of view m
  37. 37. Allows the dentist to have a parallax view of the tooth preparation . Helpful for anterior m
  38. 38. colorimeter m
  40. 40. The spectrophotometer is an instrument which measures the amount of light of a specificed wavelength which passes through a medium. According to Beer's law, the amount of light absorbed by a medium is proportional to the concentration of the absorbing material or solute present. Wavelength (often abbreviated as lambda) is measured in nm. m
  41. 41. VITA EASY SHADE® …THE NEW DIGITAL SHADE TAKING DEVICE The patended SpectroShade System uses a digital camera connected to a LED spectrophotometer. With the SpectroShade™ MICRO, the measured spectral data is not influenced by the lighting or any other environmental conditions affecting vision. m
  42. 42. Composite bur heads m
  44. 44. PrepCheck promotes adequate reduction allowing ideal thickness of the final restoration and ensures superior strength and aesthetics. PrepCheck's special coating marks the tooth in areas that need to be reduced. m
  45. 45. MAGFIT m
  46. 46. OptraFine OptraFine is a new, high-performance diamond polishing system for ceramic materials which affords a unique combination of highly efficient application and perfect polishing results. OptraFine leaves nothing to be desired in terms of low surface roughness and aesthetic, high-gloss finish. In contrast to other ceramic polishing systems, OptraFine can be reused up to 10 times. OptraFine is available in “flame”, “cup” and “disc” shapes. m
  47. 47. Yaltara Software VP - Visual Planner PIB TTR- Patient Information Brochures Total Tooth Replacement PIB PD - Patient Information Brochures Preventative Dentistry CI TTR - Case Illustrator Total Tooth Replacement CI PD - Case Illustrator Preventative Dentistry ESP - Esthetic Smile Planner m
  48. 48. FireFly Infinity Light System m
  49. 49. DEXcam™ USB-2 The DEXcam™ USB-2 is a high-speed USB intraoral camera. The DEXcam features an ultra-light hand piece with eight highly durable LED lights for superb brightness, together with high-quality auto-focus optics from Sony Corp. m
  50. 50. PowerLase® AT Spa Laser The Lares PowerLase® AT Spa Laser combines two wavelengths (Er:YAG and Nd:YAG) into a single system, making it suitable for both hard and soft tissue dental procedures as well as certain dermatological procedures. The laser is easily upgraded to perform aesthetic procedures through the addition of the Aesthetic Handpiece Kit, which includes handpieces for dermatological m
  51. 51. Mock-Up Kit . BISCO’s Mock-Up Kit is used to create a template for placing a perfect direct anterior restoration. During this process, the final aesthetic restoration will be mimicked and allows dental professionals the opportunity to build-up and adjust the restoration to ensure patient satisfaction. It is now convenient to provide patients with a life-like presentation of their restoration(s). m
  52. 52. Interactive Smile Style Guide The digital Interactive Smile Style Guide makes choosing the best smiles better than ever! m
  53. 53. XCPT XCPT software is a highly visual, on-the-spot consultation and treatment planning method that recognizes the physical, as well as psychological aspect of visualization involved in treatment planning and case. m
  54. 54. MATERIAL AIDS m
  55. 55. LumaWhite™ Plus Single Patient Kit LumaWhite Plus Single Patient Kit comes with everything needed to perform in-office whitening in one short visit. The kit includes: 3 unit dose ampoules of 35% hydrogen peroxide, catalyst and mixing brushes, a LumaBlock syringe with 2 tips, cheek retractor, Vitamin E Swab lip moisturizer, Flour of Pumice, and a protocol/instruction sheet. The kit also contains the patented StayBright take-home whitening enhancer for maintenance and touch-up with no trays to fabricate. m
  56. 56. IPS e.max® IPS e.max® delivers the ultimate in metal free esthetics and strength utilizing both Pressable and CAD/CAM technologies. Designed with versatility and simplicity in mind, IPS e.max lets you select from multiple framework materials giving you the versatility you want while always veneering with the same ceramic giving you the simplicity you need. IPS e.max provides outstanding esthetics, high strength, and predictable shade matching even with difficult combination cases. m
  57. 57. Synergy® D6 Self-Blending Duo Shades Synergy® D6 Dentin Duo shade A2/B2 self-blends with teeth whose shading properties fall within the A2 and B2 color spectrum. In most cases, one Synergy® D6 shade will produce undetectable restorations. m
  58. 58. BLOCK-OUT by Ultra Bond Plus A unique formulation for bonding porcelain over dark stained teeth such as tetracycline—Great for thin veneers! m
  59. 59. VITA CAD-Waxx Millable Casting Blocks Instead of using modeling wax to manually create wax- ups by hand, the technician designs the fully-contoured crown, bridge, coping or framework using the inLab 3D software. Once satisfied with the design, the data is sent to the inLab milling machine, where it is precision-milled out of the CAD-Waxx block in a matter of m
  60. 60. Atlantis Abutment in Zirconia By combining esthetics, strength, precision, reliability and simplicity in one product, the Atlantis Abutment in Zirconia delivers the ultimate esthetic solution to clinicians, labs and patients . Independent testing confirms this all-zirconia abutment, manufactured from yttria-stabilized tetragonal zirconia polycrystals (Y-TZP), is the strongest and most reliable patient-specific ceramic abutment currently m
  61. 61. It costs less than the majority of the other treatments. It reduces chair time through a single application of a specially formulated gel. It's less expensive to operate. The CoolBlue Wand, with exclusive whitening tip, uses LEDs which eliminate the heat and discomfort typically found in more expensive systems. CoolBlue Tooth Whitening System m
  62. 62. DuraFinish™ Once you’ve completed curing and shaping the restoration, simply brush on a thin coat of DuraFinish™. Smooth it with the supplied brush - then zap it with a halogen light. m
  63. 63. Lumineers By Cerinate Lumineers By Cerinate is a terrific cosmetic solution for permanently stained, chipped, discolored, misaligned teeth, or even to revitalize old crown and bridgework. Lumineers By Cerinate is a porcelain veneer that can be made as thin as a contact lens and is placed over existing teeth without requiring painful removal of sensitive tooth structure (unlike traditional veneers.) m
  64. 64. Acrytemp Fluorescent Temporary Crown and Bridge Material Acrytemp is a dual compound, self-curing, self-mixing composite resin for the fabrication of naturally esthetic temporary crowns and bridges. m
  65. 65. Embrace Esthetic Opaquer Kit The Embrace Esthetic Opaquer Kit provides the five most popular opaquing shades for esthetic dentistry: bleach white, off-white, yellow, pink, and brown. The opaquers are used to mask out metals and discolored tooth surfaces for improved esthetics. m
  66. 66. OPERATOR BIAS m
  67. 67. Influence of illuminants on the color distribution of shade guides. Park JH, Lee YK, Lim BS m
  68. 68. The effect of colour defective vision on shade matching accuracy. Ethell J, Jarad FD, Youngson CC. m
  69. 69. The use of digital imaging for colour matching and communication in restorative dentistry. Jarad FD, Russell MD, Moss BW. m
  70. 70. Comparison of digital and spectrophotometric measurements of colour shade guides. Cal E, Guneri P, Kose T. m
  71. 71. Shade selection performed by novice dental professionals and colorimeter. Klemetti E, Matela AM, Haag P, Kononen M. m
  72. 72. Thank you For more details please visit m