Dentistry Flashcards
What is a mesaticephalic head shape?
medium head shape
what is the mandible and jaw in mesaticephalic?
mandible shorter and less wide than upper jaw
what is brachycephalic head shape?
short head shape
what is the mandible and jaw in brachycephalic?
shorter than normal upper jaw
what is dolichocephalic head shape?
long head shape
what is the mandible and jaw in dolichocephalic?
longer than normal upper jaw
what is the name of the upper jaw?
maxilla
what is the name of the ridges on the hard palate in the mouth?
rugae (palatinae)
what is the name of the lower jaw?
mandible
what connects the mandible to maxilla?
TMJ
how many teeth do puppies have?
28
how many teeth do kittens have?
26 teeth
how many teeth do adult dogs have?
42 teeth
how many teeth do adult cats have?
30
what are the 3 areas of the tooth?
crown, neck and root
what is the crown covered with?
enamel (the hardest substance in the body)
what is enamel produced by?
ameloblasts
where is the neck located on the tooth?
where the enamel thins close to the gumline
where is the root located?
under the gumline
what is another name for the neck?
cementoenamel junction
what is the tooth mainly consisting of?
dentin
what is dentin produced by?
odontoblasts
what is attached gingiva?
made up of epithelial tissue that is harder and more tightly attached to supportive structures
what is free gingiva?
portion of gingiva that that is not directly attached to the tooth or supporting structure
what is sulcus?
the area between the free gingiva and tooth
what is the alveolar mucosa?
less densely kertinized gingival tissue covering the bone
what is the depth of the enamel for cats?***
0.1-0.3mm
what is the depth of the enamel for dogs?***
0.1-0.6mm
what is the depth of the gingival sulcus for cats?
0.5-1mm
what is the depth of the gingival sulcus for dogs?
1-3mm
what are the 3 stages of dentin?
primary, secondary and tertiary
what happens in the primary stage of dentin?
before and during eruption, ex. when your baby teeth are coming in
what happens in the secondary stage of dentin?
formed by the time your adult teeth are settled in
what happens in the tertiary stage of dentin?
comes out only if there was trauma to the area, darker in colour and has no nerve fibers
what holds the tooth in place?
the periodontal ligament (important!!)
what is the order of direction starting from top left?
mesial, distal, mesial, distal
what is the directional term used for ‘away from mouth’ going left or right?
vestibule/buccal
what is the directional term used for ‘away from mouth’ going up or down?
vestibule/labial
what is the pulp of the tooth?
contains blood vessels, nerves and lymphatics
what age (in weeks) do a puppy’s incisors (temporary teeth) erupt?
4-6 weeks
what age (in weeks) do a puppy’s canines (temporary teeth) erupt?
3-5 weeks
what age (in weeks) do a puppy’s premolars (temporary teeth) erupt?
5-6 weeks
what age (in weeks) do a kitten’s incisors (temporary teeth) erupt?
3-4 weeks
what age (in weeks) do a kitten’s canines (temporary teeth) erupt?
3-4 weeks
what age (in weeks) do a kittens’ premolars (temporary teeth) erupt?
5-6 weeks
what age (in weeks) do a dog’s incisors (permanent teeth) erupt?
12-16 weeks
what age (in weeks) do a dog’s canines (permanent teeth) erupt?
12-20 weeks
what age (in weeks) do a dog’s premolars (permanent teeth) erupt?
16-20 weeks
what age (in weeks) do a dog’s molars (permanent teeth) erupt?
16-24 weeks
what age (in weeks) do a cat’s incisors (permanent teeth) erupt?
11-16 weeks
what age (in weeks) do a cat’s canines (permanent teeth) erupt?
12-20 weeks
what age (in weeks) do a cat’s premolars (permanent teeth) erupt?
16-20 weeks
what age (in weeks) do a cat’s molars (permanent teeth) erupt?
20-24 weeks
what is the 04 and 09 rule?
anything ending in 04 is a canine tooth (104, 204, 304, 404)
anything ending in 09 is the very first molar (109, 209, 309 and 409)
anything inbetween 04 and 09 are premolars
what teeth do cats not have but dogs do?
105, 205, 305, 405 and 306 and 406
what does the salivary gland do?
dilute bacteria and rinse debris
buffer - netrilizes acids in mouth
contains Ca and Fl
ANtibodies
digestive enzymes
where is the parotid salivary gland located?
base of the ear
where is the sublingual salivary gland located?
1 is ventral or directly under the paotid, and 2 is locted on the lateral side of the tongue
where is the zygomatic salivary gland located?
under the eye
where is the mandibular salivary gland located?
