Exam (elaborations)
Den 7136 Final With complete solutions latest update
- Course
- DEN 7136
- Institution
- New York University
Den 7136 Final With complete solutions latest update
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Den 7136 Finalwhat are crucial elements to the overall success of phase I periodontal treatment ANS✔✔ tissue
response and patient motivation
for adequate home plaque control procedures to be effective what local risk factors need to be
managed (8) ANS✔✔ - remove calculus
- correct/replace restorations and prosthetic devices
- restore caries
- ortho tooth movement for crowding
- treat food impaction areas
- treat occlusal trauma
- extract hopeless teeth
- antimicrobial agents
what does use of antimicrobial agents require ANS✔✔ plaque sampling and sensitivity testing
what has to be considered when determining phase I periodontal therapy plan (10) ANS✔✔ -
health and tolerance of treatment
- # of teeth
- amt of subgingival calculus
- pocket depth and attachment loss
- furcation involvement
- alignment of teeth
- restoration margins
- development anomalies
- physical barriers to access (limited opening / tendency to gag)
- patient cooperation and sensitivity (require use of anesthesia)
,how do ultrasonic instruments produce cavitational activity and acoustic micro-streaming
ANS✔✔ high-speed action
why is healing of periodontal tissue maximized by treating carious lesions ANS✔✔ remove
reservoir of bacteria in caries -> can't re-populate plaque
step 5 of phase I periodontal therapy
- what is it
- when is it done and why (3) ANS✔✔ tissue reevaluation
4-6 weeks
- tissues need 4 weeks to heal sufficiently to be probed accurately
- patients need time to improve plaque control skills
- altered bacterial composition in pocket (quantitive and qualatative) -> rate of bacterial
repopulation ranges from 1-6 months
what does phase 1 therapy alter bacterial composition of pocket ANS✔✔ subgingival scaling and
root planing -> reduce inflammation -> reduce GCF flow -> reduce nutritive sources for bacteria
scaling and root planing combined with what prolongs reduced pocket depth over several years
ANS✔✔ good oral hygiene and regular maintenance
evidence that shows phase I periodontal treatment is effective and reliable ANS✔✔ 80% reduction
in bleeding on probing
mean probing depth reduced 2-3 mm
periodontal pockets of 4mm or greater was reduced more than 50% and up to 80%
, single-stage appointments
- two typs ANS✔✔ one long appointment
two appointments on consecutive days while patient receives aggressive antimicrobial agents
in staged appointments, how much time is between each appointment ANS✔✔ 1 week
what occurs during healing after periodontal phase I therapy (5) ANS✔✔ formation of long
junctional epithelium rather than connective tissue
attachment epithelium reappears 1-2 weeks after
reduced inflammatory cell pop and crevicular fluid flow + repair of connective tissue -> decreased
signs of inflammation
1-2 mm recession from tissue shrinkage
transient root sensitivity
refer to specialist treatment (7) ANS✔✔ extent of disease: generalized or localized deep
involvement
root length
hypermobility
difficulty in scaling and root planing
restorability and importance of particular teeth for reconstruction
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