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Dr. Abhishek Gaur
BDS, MDS, F.A.G.E, (Ph. D.)
Department of Periodontics
Recent Advances
in
Surgical
Technology
Recent Advances
in
Surgical
Technology
Dr. Abhishek Gaur
BDS, MDS, F.A.G.E, (Ph. D.)
Department of Periodontics
Microsurgery
• Defined as a refinement in surgical technique by
which visual acuity is increased using a
microscope at magnifications exceeding 10x.
• Microsurgery is also an ergonomic methodology
in which surgical manipulations are improved
through better motor coordination.
Magnification Systems
Magnifying Loupes
Simple Loupes
Compound Loupes
Prism Telescopic Loupes
Surgical Loupes
Magnifying Loupes
• Dual monocular telescopes with side-by-side
lenses.
• Image formed : Stereoscopic properties.
• Principle : Convergent optical lens
• System : Keplerian optical system
Recent Advances in Surgical Technology
Simple Loupes
• Pair of Single Meniscus lenses.
• Limited Capabilities.
• Primitive magnifiers.
• Magnification can only be
increased by increasing lens
diameter.
• Disadvantage : Magnification
only 1.5x
Compound Loupes
• Multi-elemental lenses with intervening air
spaces to gain additional refracting surfaces.
• Advantage : Increased magnification with more
favourable working distance and depth of field.
• Disadvantages : Magnification not more than
3.5x.
Recent Advances in Surgical Technology
Recent Advances in Surgical Technology
Prism Telescopic Loupes
• Highly advanced Loupes.
• Produce better magnification, wider depths of field, longer
working distances, and larger fields of view than any other
types of Loupes.
• Prisms used : Schmidt or ‘Rooftop’ prisms; barrel of the
prism can be mounted on any eye-glass frames.
• Magnification : Above 4x
Recent Advances in Surgical Technology
Surgical
Microscope
Surgical
Microscope
Surgical
Microscope
• Optics : Galilean Optics (permits stereoscopic vision without eye
convergence)
• Eyepieces : Binocular
• Axes : Parallel Optical axes.
• Three Types : Roof Mounted, Wall mounted & Stand Mounted.
• Lenses : Achromatic Lenses.
For practical use in periodontics, the
surgical microscope must have :
1.Manoeuvrability
2.Stability
3.Side Mounted Illumination
Recent Advances in Surgical Technology
Recent Advances in Surgical Technology
Recent Advances in Surgical Technology
Recent Advances in Surgical Technology
Periodontal Microsurgery
Periodontal microsurgery introduces the potential for a less
invasive surgical approach in periodontics.
This includes :
1.Root preparations
2.Surgery under Magnification
3.Microsurgical Instruments
4.Ergonomics (hand & Body Postures)
5.LASERS in Dentistry
Microsurgical
Instruments
In
periodontics
Recent Advances in Surgical Technology
Recent Advances in Surgical Technology
Recent Advances in Surgical Technology

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Recent Advances in Surgical Technology

  • 1. Dr. Abhishek Gaur BDS, MDS, F.A.G.E, (Ph. D.) Department of Periodontics Recent Advances in Surgical Technology Recent Advances in Surgical Technology Dr. Abhishek Gaur BDS, MDS, F.A.G.E, (Ph. D.) Department of Periodontics
  • 2. Microsurgery • Defined as a refinement in surgical technique by which visual acuity is increased using a microscope at magnifications exceeding 10x. • Microsurgery is also an ergonomic methodology in which surgical manipulations are improved through better motor coordination.
  • 3. Magnification Systems Magnifying Loupes Simple Loupes Compound Loupes Prism Telescopic Loupes Surgical Loupes
  • 4. Magnifying Loupes • Dual monocular telescopes with side-by-side lenses. • Image formed : Stereoscopic properties. • Principle : Convergent optical lens • System : Keplerian optical system
  • 6. Simple Loupes • Pair of Single Meniscus lenses. • Limited Capabilities. • Primitive magnifiers. • Magnification can only be increased by increasing lens diameter. • Disadvantage : Magnification only 1.5x
  • 7. Compound Loupes • Multi-elemental lenses with intervening air spaces to gain additional refracting surfaces. • Advantage : Increased magnification with more favourable working distance and depth of field. • Disadvantages : Magnification not more than 3.5x.
  • 10. Prism Telescopic Loupes • Highly advanced Loupes. • Produce better magnification, wider depths of field, longer working distances, and larger fields of view than any other types of Loupes. • Prisms used : Schmidt or ‘Rooftop’ prisms; barrel of the prism can be mounted on any eye-glass frames. • Magnification : Above 4x
  • 13. Surgical Microscope • Optics : Galilean Optics (permits stereoscopic vision without eye convergence) • Eyepieces : Binocular • Axes : Parallel Optical axes. • Three Types : Roof Mounted, Wall mounted & Stand Mounted. • Lenses : Achromatic Lenses.
  • 14. For practical use in periodontics, the surgical microscope must have : 1.Manoeuvrability 2.Stability 3.Side Mounted Illumination
  • 19. Periodontal Microsurgery Periodontal microsurgery introduces the potential for a less invasive surgical approach in periodontics. This includes : 1.Root preparations 2.Surgery under Magnification 3.Microsurgical Instruments 4.Ergonomics (hand & Body Postures) 5.LASERS in Dentistry