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54 Cards in this Set
- Front
- Back
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what are the 3 basic necessities for extraction
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1. Adequate access
2. Adequate light 3. Field free of blood and fluids |
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which forceps are angled more close to 90 deg (max or mand)
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mandibular
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beaks of forceps are made to adapt to:
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cervical line
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#1 is used for
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Anterior teeth
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#150 used for
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premolars or:
upper universal |
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#88 R/L, 89/90
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first and second max molars
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10S or 10H (210S)
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Max 3rds
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#65, 300W
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Max root fragments
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150S
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maxillary primary teeth
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74,74XN
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Mand anteriors
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151
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lower premolars or
lower universal |
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222
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mand 3rds
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23,217
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mand molars
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301, 34, 77R
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straight elevators
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190, 191
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wheel and axle
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"bone forceps"
alveoplasty after teeth extracted |
rongeurs
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requirements for surgical handpieces
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sterilizable
high speed high torque self-irrigating no exhaust at working end |
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what stage occurs in first 3-5 days?
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inflammatory stage
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edema caused by:
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fibrin leading to lymphatic obstruction
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rubor is:
due to: |
redness
vasodilation |
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tumor is:
caused by: |
swelling
fluid transportation |
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calor is:
caused by: |
warmth
vasodilation |
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dolor is:
caused by: |
pain
histamines, PG's, pressure |
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functio laesa
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loss of function
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cellular phase consists of 3:
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1. margination= leukos stick to wall
2. diapedesis= migration through wall 3. degranulation= release lysosome contents |
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which cells recognize antigenic material, interact w/ complement, assist immune system in identifying foreign material?
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B lymphocytes
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what is the role of helper T cells
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stimulate B cell proliferation and differentiation
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what is role of suppressor T cells?
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regulate helper T cells
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which cells lyse cells w/ foreign antigens
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cytotoxic (killer) T cells
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which phase is characterized by little collagen deposition, low tensile strength
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lag phase
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which stage lasts 2-3 wks, sees a rapid increase in strength, stiffness, erythematous
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fibroplastic stage
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which phase is considered "wound maturation," vascularity is decreased
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remodeling stage
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which acts as a barrier to reparative cells and acts as a protected area for bacteria
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necrotic tissue
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which causes increased tissue necrosis, decreased antibodies, delayed healing
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ischemia
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ischemia can be caused by:
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tight sutures
improper flap design excessive external pressure on wound internal pressure systemic hypotension. anemia |
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wounds being held apart is considered...
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tension
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which intention is technically considered ideal?
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first intention
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which uses tissue grafts in large owunds?
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tertiary intention
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sockets heal by..
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second intention
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what occurs in second week of socket healing?
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granulation tissue, osteoid, epi intact in smaller sockets
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dusring which time in socket healing is lamina dura lost
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4-6 mos.
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how far does the bone need to be seperated to be considered 2ndary intention?
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>1mm
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which cells contribute to the callus?
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fibroblasts, osteoblasts
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dusring bone healing, what happens if low O2 tension?
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cartilage formation
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4 factors in bone implant healing
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1. short distance
2. viable bone (low heat of prep) 3. no movement during healing 4. contaminant free |
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what occurs at bone implant surface?
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epi stops at titanium
secretes ground substance that attaches hemidesmosomal, basal laminar system |
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which is the least sever injury which leaves axons and sheath intact, due to blunt trauma
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neurapraxia
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how long does it take for neurapraxia to recover?
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days-weeks
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which is characterized by a disrupted axon but sheath is intact
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axonotmesis
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how long does recovery take for axonetmesis?
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2-6 wks
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which is most severe injury? loss of continuity
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neurotmesis
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what can cause neurotmesis
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fractures, GSW, iatrogenic transection
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what is disintegration distal to transection
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wallerian degeneration
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at what rate do new fibers grow down the schwann cell tube
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1-1.5 mm/day
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