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20 Cards in this Set

  • Front
  • Back
causes of pulpal inflammation
1.mechanical 2.thermal 3.chemical 4.bacterial
mechanical damage
1.trauma 2.iatrogenic 3.attrition 4.bruxism 5.abrasion 6.abfraction
thermal injury
mostly iatrogenic; veneers have >5% pulpal necrosis, full gold crowns >13%, crown and foundation>17%
chemical irritation
erosion, iatrogenic(etching)
bacterial effects
what patient reports
what you see clinically
normal, healthy pulp characteristics spontaneous symptoms 2.mild transient resonse to thermal/electrical stimuli painful responses 4.clearly delineated canal that tapers smoothly toward apex 5.intact lamina dura root resorption 7.may have canal calcifications w/ no other symptoms
purpose of inflammation
protective response of tissue to local injury; tries to eliminate, dilute, or wall off injurious agent; heals damaged tissue
without inflammation:
infections would go unchecked; wounds would never heal
cardinal signs of inflammation
1.redness(dilation of vessels) 2.swelling(escape of fluid) 3.pain(tissue pressure and inflamm. mediators) 4.heat(inc. blood supply) 5.loss of function(b/c of pain and swelling)
reversible pulpitis- clinical findings
1.mild/moderate inflammation of the pulp spontaneous symptoms 3.transient/sharp response to thermal stimuli 4.may respond to sweets pain from biting
reversible pulpitis- radiographic findings
1.clearly delineated canal that tapers towards apex 2.intact lamina dura root resorption 4.may have canal calcifications w/out other symptoms 5.may see etiologic factors
irreversible pulpitis- clinical findings
1.spontaneous pain 2.prolonged response to thermal stimuli(may be delayed) 3.if confined to pulp-percussion and palpation tests are WNL
irreversible pulpitis- radiographic findings
1.if confined to pulp, may not be diagnostic 2.if advanced, widened PDL due to apical inflammation 3.may see etiologic factors
other unusual presentations of irreversible puplitis
hyperplastic pulpitis and internal resorption
hyperplastic pulpitis
pulp polyp; granulation tissue; pyogenic granuloma from pulp; low grade chronic irritation; usually teeth w/ open apices; ample vascularity of young pulp; usually asymptomatic
internal resorption
inflammation may initiate resorption; may happen after trauma; usually asymptomatic; pulp and periapical tests are WNL; inflamed pulp must be removed; identified by radiographs and or pink spot in crown
pulp necrosis- clinical findings
total or partial death of pulp, multi-rooted teeth fifficult to diagnose; 1. asymptomatic until PDL is affected response to thermal or EPT tests 3.may have discoloration
pulp necrosis- radiographic findings
1. normal or widened PDL space 2.PA radiolucency