JVD 2014, Issue 2 (JW) Flashcards
Clinicopathologic Characterization of Oral Pyogenic Granuloma in 8 Cats
Where was the location of the lesion in these cats?
The mucogingival tissues immediately vestibular to the mandibular first molar tooth
Clinicopathologic Characterization of Oral Pyogenic Granuloma in 8 Cats
How many cats had bilateral lesions (versus unilateral)?
50% were bilateral (4 out of 8 cats)
Clinicopathologic Characterization of Oral Pyogenic Granuloma in 8 Cats
In how many cases was it noted that the ipsilateral maxillary P4 was traumatically contacting the lesion?
In 50% of the cases
Clinicopathologic Characterization of Oral Pyogenic Granuloma in 8 Cats
How many biopsy samples showed ulcerated surface of the lesion?
All of them
Clinicopathologic Characterization of Oral Pyogenic Granuloma in 8 Cats
What percentage of biopsies contained hemosiderin-laden macrophages?
92.3% (12 of 13)
Clinicopathologic Characterization of Oral Pyogenic Granuloma in 8 Cats
What were the treatments performed?
Either surgical excision alone, surgical excision + odontoplasty of the maxillary P4, or surgical excision and surgical extraction of the maxillary P4
Clinicopathologic Characterization of Oral Pyogenic Granuloma in 8 Cats
What was the overall recurrence rate, regardless of treatment type?
43% (9/21)
Clinicopathologic Characterization of Oral Pyogenic Granuloma in 8 Cats
What was the recurrence rate for surgical excision alone?
100% (5/5)
Clinicopathologic Characterization of Oral Pyogenic Granuloma in 8 Cats
Which treatment had the lowest recurrence rate, and what was it?
The lowest recurrence rate (10%, 1/10) occured in the group treated with extraction of the maxillary P4 and surgical excision of the lesion
Oral Osteoma in 6 Dogs
What is an osteoma?
Benign neoplasm composed of histologically normal mature compact and/or trabecular bone
Oral Osteoma in 6 Dogs
Does osteoma cause lysis or destruction?
No
Oral Osteoma in 6 Dogs
Where do osteomas originate from?
Peripheral osteomas develops from the periosteum; central osteomas develop from the endosteum; extraskeletal osteomas are located in soft tissue (mostly muscle)
Oral Osteoma in 6 Dogs
Where were the osteomas located in these 6 dogs?
One was palatal and had a pedunculated appearancel 3 were on the maxilla (1 rostral, 2 caudal); 2 were mandibular (1 rostral, 1 caudal)
Oral Osteoma in 6 Dogs
Were any small or toy breed dogs included in this study?
No, only medium to large breed dogs were diagnosed with osteomas in this study
Oral Osteoma in 6 Dogs
How many were peripheral versus central?
2 peripheral, 4 central
Oral Osteoma in 6 Dogs
What is the difference between an osteoma and an exostosis (hamartoma)?
An exostosis has limited growth and is associated with inflammation or trauma, whereas an osteoma is continuously slow growing
Duration of Action of Bupivacaine Hydrochloride Used for Palatal Sensory Nerve Block in Infant Pigs
Did the authors hypothesize that bupivacaine duration of action would be longer or shorter in infants compared to adults? Why?
Longer duration due to immature liver development
Duration of Action of Bupivacaine Hydrochloride Used for Palatal Sensory Nerve Block in Infant Pigs
How long does bupivacaine last in humans?
6-8 hours as a nerve block, or 5-7 hours as local infiltration
Duration of Action of Bupivacaine Hydrochloride Used for Palatal Sensory Nerve Block in Infant Pigs
Which nerves did they block to achieve anesthesia of the hard palate?
The greater palatine and nasopalatine nerves
Duration of Action of Bupivacaine Hydrochloride Used for Palatal Sensory Nerve Block in Infant Pigs
What duration of action of bupivacaine did they observe (range of time)?
65-190 minutes (approximately 1-3 hours)
Duration of Action of Bupivacaine Hydrochloride Used for Palatal Sensory Nerve Block in Infant Pigs
When was the first response to sensory stimulation seen, on average (time in minutes)?
119 minutes
Duration of Action of Bupivacaine Hydrochloride Used for Palatal Sensory Nerve Block in Infant Pigs
Which nerve fibers are blocked first after bupivacaine injection?
First C fibers are blocked (pain), then alpha-delta fibers (pain/temperature), then A-beta fibers (mechanoreceptors). Sensation returns in the reverse order.
Soft Tissue Tooth Impaction in a Dog
What is the definition of tooth eruption?
Eruption is defined as the axial movement of a tooth from its nonfunctional position in the bone to functional occlusion
Soft Tissue Tooth Impaction in a Dog
What are the 3 stages of tooth eruption?
- Pre-eruptive phase (the dental germ moves to keep in position in the developing jaw as it grows)
- Pre-functional phase (once the crown has formed and root formation begins)
- Functional phase (begins when the tooth comes into occlusion and ends when the tooth is ankylosed or lost, or the animal dies)
Soft Tissue Tooth Impaction in a Dog
When does eruption begin?
Once crown formation is complete
Soft Tissue Tooth Impaction in a Dog
What has been shown to be the only factor critical in the interosseous stage of tooth development?
The dental follicle
Soft Tissue Tooth Impaction in a Dog
What is an operculum?
A tough fibrous gingival covering over the crown of a tooth that has erupted to nearly full height
Soft Tissue Tooth Impaction in a Dog
What is the recommended treated for soft tissue impaction of teeth?
Operculectomy
Tooth Resorption in an Australian Sea Lion
Which tooth was affected by resorption?
Right mandibular second premolar (“second mandibular post-canine tooth, premolar 2”)
Prosthetic Appliance for Oronasal Communication Obturation in a Dog
What did they use as the obturator?
A silastic nasal septal button
Lost Wax Casting Technique for Metal Crown Fabrication
What is the difference between a cast and a die?
A cast involves large areas or the oral tissues, while a die replicates a single tooth
Esophagostomy Feeding Tube Placement in the Dog and Cat
Which rib spaces should be used to guide length of feeding tube?
Should measure to the 7th-9th rib space to ensure tube is not in the stomach but instead the distal esophagus.
