Vet Dentistry
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| What is gouging? | show 🗑
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| What term is used to describe 'gouging' in the root canals? | show 🗑
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| What is the most serious complication in endo tx? | show 🗑
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| What is the prognosis when perforation occurs at or below the osseous crest or into the furcation? | show 🗑
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| After hemorrhage has been controlled following perforation apical to the osseous crest, what materials are used to seal the defect? | show 🗑
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| show | obstruction of a once patent canal preventing full instrument access to the apical stop/stricture
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| show | packing of dentinal chips, cotton pellets, paper points, or a piece of fracture instrument
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| Loss of working length due to dentinal chip accumulation at the apical third of the canal can usually be attributed to: | show 🗑
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| What type of energy can be utilized to manage obstruction retrievals in the root canal? | show 🗑
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| What is ledging? | show 🗑
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| In what type of canal is ledging most common? | show 🗑
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| How can ledging be prevented | show 🗑
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| How can ledging be resolved? | show 🗑
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| What is zipping/elliptication | show 🗑
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| What causes zipping? | show 🗑
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| What 2 complications can result from zipping? | show 🗑
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| What is the problem with an elbow stricture formation during RC therapy? | show 🗑
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| What should you do regarding obturation if there is apical perforation during RC instrumentation? | show 🗑
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| show | endo complication that results in lateral wall perforation
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| show | overzealous filing in the mid root area
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| show | judicial use of filing presure away from the curvature of the root tip and/or toward the more bulky portion of the tooth root (anticurvature filing)
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| show | Step 1: Fill the compromised root with CaOH and place a temporary filling. Complete traditional RC for any other non-compromised roots of that tooth
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| show | After 4-6 weeks, remove the CaOH carefully, using only sterile saline or hydrogen peroxide to irrigate and complete standard root canal (CaOH containing sealer is best)
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| What does persistent hemorrhage during RC tx indicate? | show 🗑
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| How does one correct apical perforation and loss of the apical stop? | show 🗑
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| What type of bur should be used in vital tooth resectioning? Why? | show 🗑
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| What is the functional duration of deciduous teeth in dogs and cats? | show 🗑
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| show | 50%
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| In what type of teeth is apexigenesis performed? | show 🗑
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| In what type of teeth is apexification performed? | show 🗑
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| show | 1) degree of inflammation as determined by the intensity of traumatic insult
2) amount of debris and bacterial contamination
3)duration of time between exposure and treatment
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| To what depth does inflammation extend into the pulp following traumatic exposure? | show 🗑
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| show | diamond bur causes the least damage to underlying healthy pulp tissue
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| Why might one consider traditional RC therapy of a tooth treated successfully with direct pulp capping? | show 🗑
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| show | gentle technique taking care not to pack dentinal chips or CaOH into the underlying pulp tissue
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| If, during vital pulp therapy, bleeding continues for more than 5-6 minutes, what measures should be taken/considered? | show 🗑
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| show | q6-9 months for up to 2 years
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| What are 6 different materials that can be used to promote apexification? Which is most commonly used? | show 🗑
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| show | osteoid (bone like) or cementoid (cementum like)
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| show | the apex must be entirely encompassed by cortical bone
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| How might the presence of a periapical radiolucency affect apexification | show 🗑
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| show | radicular currettage and drainage to stimulate bony healing
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| show | sterile saline
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| show | 8 parts CaOH powder + 1 part barium sulfate powder mixed with sterile fluid or anesthetic into a paste consistency
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| show | 6-24 months
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| show | q 3 months until radiographic apical closure is noted, then canal is re-entered for physical confirmation of apical closure and traditional RC obturation is performed
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| What is the most common indications for surgical endodontic therapy? | show 🗑
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| show | 1) canal stricture resulting from excessive/irregular dentinal deposition
2)endoliths
3) dentinogenesis imperfecta
4) dental dysplasia
5) dens in dente
6) fusion
7) dilaceration
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| show | procedural failure and persistent infection OR periapical cyst formation
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| How does a periapical cyst form? From what tissue? | show 🗑
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| What are some contraindications for surgical root canal therapy? | show 🗑
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| What are 4 major categories of apical surgical intervention? | show 🗑
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| How does radiographic peri-apical lucency develop? | show 🗑
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| show | To relieve pain, swelling, and discomfort associated with periapical exudate accumulation and to allow periapical healing for increased success of standard endo tx
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| show | Mucosal flap is half-moon extending from adjacent teeth on either side of affected tooth and involving apical portion of attached gingiva of affected tooth. Trephine hole made w/round bur 1-2 mm coronal to apex of affected tooth.
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| Why might periapical curettage be performed in conjunction with periapical drainage? | show 🗑
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| show | developmental
metabolic
traumatic
odontogenic
infective
neoplastic
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| show | After flushing (+/- curettage) Pack the pocket with an umbilical tape section sutured in place for 3-6+ days
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| When should apicoectomy be performed? | show 🗑
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| show | complete extraction of the apical tip
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| What is the limit for how much root can/should be removed w/apicoectomy so as not to overcompromise crown:root ratio? | show 🗑
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| show | 4-6 mm, cut at a 45 degree angle in apical direction
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| show | Class I cavity preparation
Slot of Matzuri
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| To what depth is the apex prepared for retrograde filling with either/both techniques? | show 🗑
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| What are potential complications of the use of zinc amalgum in the presence of moisture? | show 🗑
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| show | good undercut and use of cavity varnish in a dry environment
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| What products, in addition to amalgum, offer advantageous retrograde fill properties? | show 🗑
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| Does transplantation of dental pulp stem cells (DPSC) and/or PRP into root canals enhance new tissue formation when compared to induction of a simple blood clot into the canal? J Endod 2102 38(12) | show 🗑
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| show | A true cyst has a lumen completely enclosed by epithelium;
A pocket cyst opens to the apical root canal with an epithelial collar at the root apex
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| show | constitutes an extension of the infected root canal space into the periapex (walls off the periapical infxn away from periapical bone)
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Created by:
lamarron
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