Large Animal Surgery Dental Sx Trephination Amy Fayette November 2005

What does this pic represent Curve of spee

What is the curve of spee The natural slope of the equine dentition

What is the accentuated curve of spee

Are foals born with incisors No

When do the incisors come in 6 days 6 weeks 6 months

When are the incisiors replaced 2.5 years 3.5 years 4.5 years

How long does it take for a tooth to grow to its full size 6 months

How deep are the cups in the teeth 6 mm

How many mm are worn off each year 2 mm

Are foals born with premolars Yes

When are the premolars replaced 1 st is wolf tooth 2 nd PM: 2 years 3 rd PM: 3 years 4 th PM: 4 years

Are foals born with molars No

When do the molars come in 1 year 2 years 3 years

When are the molars replaced They aren’t replaced

How do horses usually grind their food Side to side motion of the teeth

What is this called Enamel points

Where are enamels points Buccal side of maxillary teeth Lingual side of mandibular teeth

What is floating Removing the enamel points

What is this instrument Swale’s mouth gag

What is this instrument Hausmann mouth gag

What is this instrument Speculum

Before floating what should you do Look at the teeth and palpate

What is the arrow pointing to Hook

What is the arrow pointing to Ramp

What procedure is being done here Creating bit seats

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

What instrument is this Tooth cutter

What is wrong with this horse Wave mouth

What is wrong with this horse Wave mouth and ramps

What is wrong with this horse Sheer mouth

What is sheer mouth Very severe enamel points

What is this 3 year old Arabian gelding Retained premolar caps

How do you treat retained premolar caps Pull off (screwdriver)

What is this instrument Molar forceps

What are the options when removing cheek teeth Standing Repulsion under GA –Trephination –Sinusotomy –Buccotomy

How do you decide when to use general anesthesia Give yourself minutes to get it out standing then use GA

What is wrong with this horse Diastemma

What is diastema A space between teeth in the same dental arch

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

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

What is this instrument Trephine

What is wrong with this horse Draining tract at the base of the ear Dentigerous cyst

What is a dentigerous cyst Dental remnants

What is the treatment for a dentigerous cyst Complete surgical excision

What is the prognosis for a dentigerous cyst Excellent

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