Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.
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Transcript of Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.
![Page 1: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/1.jpg)
Large Animal Surgery
Dental SxTrephination
Amy FayetteNovember 2005
![Page 2: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/2.jpg)
What does this pic represent
• Curve of spee
![Page 3: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/3.jpg)
What is the curve of spee
• The natural slope of the equine dentition
![Page 4: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/4.jpg)
What is the accentuated curve of spee
![Page 5: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/5.jpg)
Are foals born with incisors
• No
![Page 6: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/6.jpg)
When do the incisors come in
• 6 days• 6 weeks• 6 months
![Page 7: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/7.jpg)
When are the incisiors replaced
• 2.5 years• 3.5 years• 4.5 years
![Page 8: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/8.jpg)
How long does it take for a tooth to grow to its full size
• 6 months
![Page 9: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/9.jpg)
How deep are the cups in the teeth
• 6 mm
![Page 10: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/10.jpg)
How many mm are worn off each year
• 2 mm
![Page 11: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/11.jpg)
Are foals born with premolars
• Yes
![Page 12: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/12.jpg)
When are the premolars replaced
• 1st is wolf tooth• 2nd PM: 2 years• 3rd PM: 3 years• 4th PM: 4 years
![Page 13: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/13.jpg)
Are foals born with molars
• No
![Page 14: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/14.jpg)
When do the molars come in
• 1 year• 2 years• 3 years
![Page 15: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/15.jpg)
When are the molars replaced
• They aren’t replaced
![Page 16: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/16.jpg)
How do horses usually grind their food
• Side to side motion of the teeth
![Page 17: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/17.jpg)
What is this called
• Enamel points
![Page 18: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/18.jpg)
Where are enamels points
• Buccal side of maxillary teeth• Lingual side of mandibular teeth
![Page 19: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/19.jpg)
What is floating
• Removing the enamel points
![Page 20: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/20.jpg)
What is this instrument
• Swale’s mouth gag
![Page 21: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/21.jpg)
What is this instrument
• Hausmann mouth gag
![Page 22: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/22.jpg)
What is this instrument
• Speculum
![Page 23: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/23.jpg)
Before floating what should you do
• Look at the teeth and palpate
![Page 24: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/24.jpg)
What is the arrow pointing to
• Hook
![Page 25: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/25.jpg)
What is the arrow pointing to
• Ramp
![Page 26: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/26.jpg)
What procedure is being done here
• Creating bit seats
![Page 27: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/27.jpg)
What are bit seats, what is the function
• Rounding of PM 2 so that if the tongue gets stuck between the teeth and bit it can slip out
![Page 28: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/28.jpg)
What instrument is this
• Tooth cutter
![Page 29: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/29.jpg)
What is wrong with this horse
• Wave mouth
![Page 30: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/30.jpg)
What is wrong with this horse
• Wave mouth and ramps
![Page 31: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/31.jpg)
What is wrong with this horse
• Sheer mouth
![Page 32: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/32.jpg)
What is sheer mouth
• Very severe enamel points
![Page 33: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/33.jpg)
What is this3 year old Arabian gelding
• Retained premolar caps
![Page 34: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/34.jpg)
How do you treat retained premolar caps
• Pull off (screwdriver)
![Page 35: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/35.jpg)
What is this instrument
• Molar forceps
![Page 36: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/36.jpg)
What are the options when removing cheek teeth
• Standing• Repulsion under GA
– Trephination– Sinusotomy– Buccotomy
![Page 37: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/37.jpg)
How do you decide when to use general anesthesia
• Give yourself 15-20 minutes to get it out standing then use GA
![Page 38: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/38.jpg)
What is wrong with this horse
• Diastemma
![Page 39: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/39.jpg)
What is diastema
• A space between teeth in the same dental arch
![Page 40: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/40.jpg)
What are the steps in tooth extraction
• Separate gingiva from tooth• Loosen teeth• Wiggle tooth with a side to side
movement• Extract using a fulcrum• Fill alveolus with PMMA or plaster
of paris
![Page 41: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/41.jpg)
What is the benefit of using plaster of paris instead of PMMA
• PMMA has to be removed, plaster of paris will dissolve on its own
![Page 42: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/42.jpg)
What is this instrument
• Trephine
![Page 43: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/43.jpg)
What is wrong with this horse
• Draining tract at the base of the ear
• Dentigerous cyst
![Page 44: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/44.jpg)
What is a dentigerous cyst
• Dental remnants
![Page 45: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/45.jpg)
What is the treatment for a dentigerous cyst
• Complete surgical excision
![Page 46: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/46.jpg)
What is the prognosis for a dentigerous cyst
• Excellent
![Page 47: Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005.](https://reader035.fdocuments.us/reader035/viewer/2022070307/551b555e550346ae7a8b54d9/html5/thumbnails/47.jpg)
What are the landmarks for trephination
• Half way on an imaginary line from the cranial edge of the facial crest to the medial canthus of the eye
• 1 cm ventrally from that line