7.recent advances in dentistry
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7.recent advances in dentistry
- 2. 2 CHAITANYA.P II MDS Dept of Public Health Dentistry
- 3. ContentsContents • OMR • OMFS • ENDODONTICS • PROSTHODONTICS • PERIODONTICS • ORTHODONTICS • PAEDODONTICS • ORALPATHOLOGY 3
- 4. • Public health dentistry • References 4
- 5. • As a public health dentist we ought to have an update on recent advances in different specialties. The gap between the specialist and the communities is best filled by the public health dentist with regard to recent advances, the Public health dentist is the one who come across various oral health care needs of the community. • This seminar gives a brief idea about the recent advances in different specialties of dentistry. 5 IntroductionIntroduction
- 6. ORALMEDICINE & RADIOLOGYORALMEDICINE & RADIOLOGY Biox Camera Technical Specifications Tube Voltage: 60Kv. Display Operation Wide Color LCD simple operation Tube current: 3mA Exposure Time Range: 0.01 - 1.6sec Source to Skin Distance: 100mm,210mm w/distance cone X-Ray Field: 60 mm round Back Shield Protection: Lead combine Total Weight: 2.2kg(4.8lb ) Portable x-ray unit http://www.buyamag.com/portable_xray_system.php. last accessed on 15/10/15. 6
- 7. 3D Soft tissue CT http://www.wisegeekhealth.com/what-is-a-3d-ct-scan.htm last accessed on 15/10/15. 7
- 8. ORAL AND MAXILLOFACIAL SURGERYORAL AND MAXILLOFACIAL SURGERY • Physique forceps/universal forceps https://www.physicsforceps.com/physics-forceps-molar-series-set-tnstruments-and-acces . last accessed on 15/10/15. 8
- 10. ENDODONTICSENDODONTICS • RESIN COATED AMALGAM. • FLUORIDATED AMALGAM. • BONDED AMALGAM. • GALLIUM ALLOY. • ZIRCONOMER. • BIO AGREGATE/ BIO DENTINE • ENDOSEQUENCE 10
- 12. 12 1. FLOWABLE COMPOSITES 2. PACKABLE/CONDENSABLE COMPOSITES 3. SMART COMPOSITE 4. COMPOMER 5. ORMOCERS 6. GIOMERS 7. NANOCOMPOSITES 8. SONICFILL COMPOSITE DIRECT COMPOSITES
- 14. 14 1. CEROMER 2. SINGLE CRYSTAL MODIFIED COMPOSITES 3. FIBER-REINFORCED COMPOSITES [FRC]
- 15. PROSTHODONTICSPROSTHODONTICS • Root form implant • Hybrid implant • Balanced dentures 15
- 16. Ultrasonography in periodontics 16 Perio-Imager Sub Gingival temperature measurement PERIODONTICSPERIODONTICS
- 19. PAEDODONTICSPAEDODONTICS • NuSmile Try-In Crowns • Sonicare For Kids • Ortho-Tain’s Nite-Guide® 19
- 20. ORALPATHOLOGYORALPATHOLOGY • X-ray Microscope • Scanning acoustic microscope (SAM) • Stereo Microscope 20
- 21. PREVENTIVE / PUBLIC HEALTH DENTISTRY PREVENTIVE / PUBLIC HEALTH DENTISTRY 21 Prevention of health is not an altruist concept. It is a mankind’s primary hope for improving health. Prevention and treatment of dental caries lesions forming in enamel pits and fissures can be challenging because of factors such as the "hidden caries" phenomenon, types of materials to use, methods of bonding restorative materials, and concerns for conserving tooth structure. Here is an overall glance on some recent concepts/advances in preventive dentistry with a detail note on pit and fissure sealants and topical fluorides.
- 22. 22 Recent trends in caries prevention Recent trends in oral prevention Recent advances in HIV diagnosis Recent trends in Preventive dentistry • Fluorides • ART • Caries Vaccine • Xylitol • Ozone • Replacement therapy • Antibacterial and antimicrobial agents • Caries detection methods • Tretinoin Biofilm • DNA Vaccine and Oral cancer preventi on • Ora sure • Ora quic k Recent Advances in pit and fissure sealants • Microscopic identification • Cultures • PCR • Genetic analyses • Enamel matrix derivatives • Bisphosphonate s • Photodynamic therapy • Local antimicrobial delivery systems Recent trends in periodontal disease prevention • Fluoride releasing sealants • ACP-pit & fissure sealants. • Glass ionomers as sealants. • Moisture tolerant pit & fissure sealants. • Etch- free pit & fissure sealants. • Pen type handling of sealants. • Fissure sealants with color change technology. • Nano composites as sealants. •Harshpriya et al, recent trends in preventive dentistry-A review; SRM University dental journal, 2011;2(3):23 2-237
- 23. Pit and fissure sealantsPit and fissure sealants • Fluoride releasing sealants • ACP-pit & fissure sealants. • Glass ionomers as sealants. • Moisture tolerant pit & fissure sealants. • Etch- free pit & fissure sealants. • Pen type handling of sealants. • Fissure sealants with color change technology. • Nano composites as sealants. • Lasers - Advances in curing of sealants 23
- 24. Advances in sealents. Improved flow of sealent Improved retention of sealent Etch free sealent Sealant placement even in moist environment. 24
- 27. FLUORIDE-CONTAINING SEALANT: COOLEY et al 27
- 28. 28
- 29. Pit® & Fissure sealant with ACP 29
- 30. 30
- 31. Glass ionomers as sealants 31
- 32. 32
- 33. 33
- 34. 34
- 35. Moisture tolerant-Pit and fissure sealant 35
- 36. 36
- 37. 37
- 38. 38
- 39. Etch free- pit & fissure sealents “The ability to not have to etch and rinse is such a time saver, especially with young patients’’. Sealant helps preserve healthy enamel that is easily demineralized with harsh acid-etchants Sealant helps preserve healthy enamel that is easily demineralized with harsh acid-etchants 39
- 40. • No phosphoric acid required • Ideal handling & viscosity • Radio-opacity equal to dentin • BPA- and HEMA-free 40
- 41. PEN TYPE FISSURE SEALENT • Handles easily and exhibits excellent flow characteristics. Unique rolling mechanism at the operators index finger to allow for easy, smooth, and accurate placement of both Sealant and Etchant. 41
- 42. 42
- 43. • All tips are for one time use. Ecu-PEN is autoclavable up to 130 °C. It will withstand 100 autoclave cycles. 43
- 44. 44
- 46. • Color change technology helps professionals with accuracy & amount of material placed during sealant procedure. • Triethylene glycol dimethacrylate(TEGMA) - Matrix resin monomer • Titanium Dioxide TiO2 - white color • Rose bengal sodium - Adds color before curing 46
- 47. NANO COMPOSITES AS SEALENTS 47
- 48. 48
- 49. DEEPER PENETRATION INTO PITS & FISSURES EXCELLENT FLOW RATE OF SEALENT 49
- 50. penetration depth in sectioned tooth OF CONVENTIONAL sealants is less. penetration depth in sectioned tooth OF NANO SEALENTS is more. SEALENT PENETRATION. 50
- 51. J Indian Soc Pedod Prev Dent. 2011 Oct-Dec;29(4):294-9. doi: 10.4103/0970-4388.86370. An evaluation of nanocomposites as pit and fissure sealants in child patients. Singh S1 , Pandey RK. Abstract BACKGROUND: Dental caries affects populations of all ages in all the regions of the world, with the child patient being at the highest risk. Fifty percent of the permanent molars are decayed by the age of 12, due to lack of information about protection and occlusal morphology. Pit and fissure sealing undoubtedly plays a fundamental role in preventing occlusal caries. The most common approach to assess the sealing ability of pit and fissure sealants of tooth/restoration is the measurement of dye penetration along the interface. AIMS AND OBJECTIVES: The present study aims to evaluate the microleakage and penetration depth of three different types of dental materials, namely (A) Conventional pit and fissure sealant, (B) Flowable composite, (C) Flowable nanocomposite. STUDY DESIGN: This in-vitro comparative study comprised of extracted human posterior teeth mounted as blocks. MATERIALS AND METHODS: In the present study, microleakage and penetration depths of conventional sealants/flowable composite and nanocomposite were measured with the help of a dye under stereomicroscope. RESULTS: Microleakage was found to be highest for the flowable composites, and least for the conventional sealant. The nanocomposite values were intermediate. Penetration depth was highest for nanocomposite and least for flowable composite. CONCLUSIONS: According to the results, the nanocomposite was found to be an excellent dental material for penetration in deep pits and fissures, though it exhibits mild microleakage. Hence, it can be recommended for use in pediatric dental patients, as a pit and fissure sealing agent. 51
- 52. Advances in curing of sealants 52
- 53. LED CURING LIGHT U.V light cure. Tungsten halogen curing light 53
- 54. Light Amplification by Stimulated Emission Radiation 54
- 55. 1 55
- 56. 56
- 57. Recent advances in laser technology and research have set the stage of revolution in pediatric dental practice to provide optimal, preventive, interceptive and restorative dental care in a stress free environment 57
- 58. • Intra oral fluoride releasing devices are those which release a predetermined quantity of fluoride inside the mouth over a long period when attached to the tooth surfaces. • It consist of a rate controlling membrane inside which a central depot of fluoride containing plastic copolymer matrix is embedded. • The release of fluoride ions into oral cavity regulated by the matrix core of the copolymer membrane. • These devices release 0.02-0.2ppm 0f fluoride for a period about 3-4months. 58 Slow release fluoride devices Topical FluoridesTopical Fluorides
- 59. • The copolymer membrane –USA • The glass bead-UK • Mixture of sodium fluoride and hydroxyapatite. 59 Types
- 60. 60 COWSAR et al 1976
- 61. 61 Original glass device attached to the buccal surface of the first upper right permanent molar Kidney-shaped device bonded to the upper first permanent molar tooth
- 62. 62 The latest version of the fluoride glass slow release device and plastic retention bracket Latest glass device and bracket attached to upper first permanent molar tooth
- 63. ReferencesReferences 63 • http://www.shofu.com.sg/downloads/pdf/Zirconomer %20Brochure.pdf last accessed on 12/9/15. • https://www.physicsforceps.com/physics-forceps-molar-series-set- tnstruments-and-accessories?product_id=102. last accessed on 4/10/15. • http://www.buyamag.com/portable_xray_system.php. last accessed on 6/10/15. • http://www.wisegeekhealth.com/what-is-a-3d-ct-scan.htm. last accessed on 6/10/15. • http://www.endoexperience.com/documents/The development of resin bonding for amalgam restorations.pdf. last accessed on 15/10/15.
- 64. • http://www.swededental.se/images/1.8.1202072050/1230100b enexe.pdf. last accessed on 6/8/15. • Eppala Jeevani et al, Evaluation of sealing ability of MMMTA, Endosequence, and biodentine as furcation repair materials: UV spectrophotometric analysis” J conserve Dent.2014 Jul-Aug;17(4);340-343 • The Use of Glass Ionomer Sealants on Newly Erupting Permanent Molars-Rochelle G. Lindemeyer. • Moisture tolerant, resinbased pit and fissure sealant- Dental Tribune | December 2009. • Treating Pit-and-Fissure Caries: A Systematic Review and Network Meta-analysis Journal of Dental Research 2015, Vol. 94(4) 522– 533. 64
- 65. 65 • The use of pit and fissure sealants- Robert J. Feigal • http://www.net32.com/ec/ecuseal-ecu-pen-applicator-cream- colored-with-d-45537. last accessed on 13/10/15. • Have Recent Advances in Adhesives and Materials Dictated a Change in Sealant Protocols- : Leendert (Len) Boksman • An evaluation of nanocomposites as pit and fissure sealants in child patients -S Singh1 , RK Pandey2 • Juliano Pelim Pessan et al, SLOW-RELEASE FLUORIDE DEVICES: A LITERATURE REVIEW; Journal of Applied Oral Science;2008;16(4):238-44. • Evidence-based clinical recommendations for the use of pit- and-fissure sealants -A report of the American Dental Association Council
- 66. • http://www.dentalproductsreport.com/dental/article/top-5-new- product-advancements-pediatric-dentistry. last accessed on 13/10/15. • Millleman J, Comparison of plaque removal by Sonicare For Kids and a Crest battery powered Spinbrush® for Kids in children aged 7–10 years; International J Pediatric Dent.2009; 19:s1. • Harshpriya et al, recent trends in preventive dentistry-A review; SRM University dental journal, 2011;2(3):232-237 • http://www.microbehunter.com/different-types-of microscopes/. last accessed on 13/10/15. 66
- 67. THANK YOU 67