Adv. Dental Procedures Flashcards
When is periodontal surgery attempted?
After conservative measures have been attempted w/o success.
What is GTR?
Guided tissue regeneration
What is the goal of periodontal surgery?
Eliminate pockets trapping subgingival plaque and calculus and prevent it from returning.
How is hyperplastic gingiva treated?
Gingivectomy
What is an Oronasal fistula
An abnormal opening between the oral & nasal cavities, found especially in dolichocephalic shaped heads.
What is the time frame for vital pulpotomy?
within 48 hours of the fracture of the mature tooth.
What is endodontic therapy?
Treatment of the dental pulp; live or dead to prevent or treat infection.
What is the most common indication that endodontic therapy is needed?
A fractured tooth.
What may discolored teeth represent?
Pulp hemorrhage caused by trauma.
What are some advantages to root canal therapy?
Less traumatic & less invasive More aesthetically pleasing to owner Cost is equivalent to surgical extraction Can go back to routine No missing teeth Increased quality of life.
What are some equipment needed for Root Canal Therapy?
Barbed broaches, reamers, files, irrigating needles, mixing slab, spatula, spreaders and pluggers.
Describe a broach.
Made from soft wire creating barbs, used to remove intact pulp, dirt, gravel or grass
Describe a file/reamers.
Used to clean the canal, remove dead infected tissues, twisted metal rods. Done by twisting file down to the access site (apex
Describe a K-file / hedstrom
Stronger the higher the number, triangular rod creating cutting flutes, inner-stacked cones. Done by doing a straight pull of the file, to cleanse & shape the coronal or incisal portion of the canal.
Describe a Endodontic stop
Rubber material on the file for marking the length
How are K-files identified
Color coated to identify size, mm length, diameter is the size of the file on the working end
Describe some common irrigation materials.
Sodium hyperchlorite: Breaks down & remove organic material
Chlorhexidine: Disinfects, flushes out debris
Saline
RC prep: EDTA, helps break down the inorganic material
What is ZOE?
Zinc oxide & Eugenol-based sealant, to prevent bacteria, non-irritating antimicrobial agent. Mix thoroughly, dip gutta-percha, place in the canal
What is Gutta-percha
Most popular core material**, non-irritating, highly condensable, helps remove voids in the sealer to provide a better seal at the apex. Supplied in different sizes & lengths, made from rubber.
Describe pluggers
Have blunted tips, used to compact the gutta-percha
Describe spreaders
Have sharp tip, used for laterally compacting gutta-percha
What is Restorative Dentistry?
To protect the tooth after endodontic therapy, to restore the form and function of the damaged tooth* applied to dry surface
Which is stronger (Amalgam or composites)
Amalgams (silver alloys)
Do Class I Glass ionomers require a moisture free area for application?
No