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OH3-perio. debride.

periodontal debridement

what depends on the success/failure of treatment thorough debridement, patient compliance, disease severity, host immune response
4 methods to reduce bioburden brushing, interproximal cleaning chemotherapeutics using exploratory stroke scaling, polishing
cavitation inward collapsing of bubbles shock waves disrupt bacterial cell wall
microstreaming hydrodynamic stress is produced close to oscillating object swirling acoustic turbulence disrupts plaque biofilm
what are the two forms of plaque when it is undisturbed and migrates subgingivally adherent (Gram positive, rods and cocci) nonadherent and loose (gram positive, gram negative)
what happens with nonadherent plaque enzymes released-->antigens-->LPS damaged-->immune response if defense mechanism fails-->inflammatory mediators (cytokines, interleukins, enzymes)
what happens to the tissue are debridement debridement-->wound-->clot between collagen fibers and soft tissue
what is the epithelium proliferation per day 0.5mm/day
what do fibroblasts do create collagen
what are the healing rates for epithelium, CT, bone epi. 5-14days CT. 21-28 days bone. 4-6 weeks
sonic power instrument characteristics air turbine unit, colled by h2o 2500-7000 cycles/sec ellipitical or linear
ultrasonic magnetostrictive power instrument characteristics nickel alloy power setting: amplitude of vibration (length of stroke) increase power=longer, powerful stroke frequency: # of tip cycles/sec elliptical 8000-45000
frequency how many vibrations per second (tuning=frequency)
stroke/amplitude how far tip moves
piezoelectric power instrument ceramic crystals linear lateral surface more active than flat front or back can also hold chemotherapeutics agents 29000-50000
universal tip mod.-heavy supragingival, operated med.-high settings
modified tip right, left inserts, slim tips, access deeper pockets, operate lower setting, subgingival
furcation tip (0.52) ball on end of tip
diamond tip remove tenacious calculus
carbon composite tip used for implants
medical precautions/contraindications unsheilded pacemakers, hepatitis, TB, HIV, immunosuppression, diabetes, organ transplants, asthma, emyphysema, cystic fibrosis, pulmonary diseases, implants, non metallic restorations, exposed dentin/demineralization, children
indications remove calculus and stain, reduce bacterial bioburden (furcations, period. pockets), remove overhangs and excess cememnt
how do you clean the ultrasonic tips sterilization autoclave only carbon steel can't be put into ultrasonic solution
Created by: 100000001783325