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SGU SVM ANATOMY I: Digestive System, Teeth and jaw.
Terms in this set (30)
where is the crown of the tooth?
Part of tooth above gingiva
where is the neck the tooth, and what should you be aware of when cleaning?
Part of tooth covered by gingiva but not covered by periodontal membrane (careful to clean in here as it can be overlooked and become infected)
where is the tooth socket located?
Bony portion of root of tooth
what is the periodontal ligament?
Ligament attaching cementum of tooth to socket
what is enamel?
Mineralized portion of tooth in crown
what is Dentine, Cementum?
The "pulp" in pulp cavity consists of what?
Pulp/Pulp Cavity:* Vascularized and innervated portion of tooth
what is the Apical Foramen?
Opening at base of tooth for nerves and vessels to enter pulp cavity
What composes the periodontium?
Includes cementum on root, alveolar bone (socket), and peridontal ligament
What is the function the periodontist/peridontal ligament in particular?
prevents the tooth from sinking further into the bone, and to prevent the tooth from being pulled out
Hypsodont vs. Brachydont
Longer crown, shorter root
Shorter crown and root
Diphyodont vs. Polyphyodont
Only two sets of teeth, deciduous and permanent
Teeth continuously replace any that fall out (shark teeth)
Lower jaw is slightly smaller than upper jaw, only one side connects at a time, chewing occurs in a circular motion
Ex: Rodents, horses etc
Lower and Upper jaw are the same size, both sides of the jaw connect at the same time, chewing is up and down
What is classification and different numbers of teeth based on?
Function of teeth and type food animal eats
What is the modified triadan system?
Consistent method of numbering teeth across different animal species
Tooth Numbering in Dog
Tooth Numbering in Cat
Which teeth are missing from the cat, that the dog has?
405, 406, 305, 306
410, 411, 310, 311
How many deciduous/permanent teeth do Canines vs. Felines have?
What are carnassial teeth? and what is there function?
Largest shearing teeth in the mouth for both dog and cat
Superior 4th (last) premolars
Inferior 1st molars
What is important to know about the carnassial teeth in relation to infection?
Closely associated with maxillary and nasal bone, so if infection occurs at these teeth (such as after extraction), it can spread through the sinuses or up to the brain.
What week do puppies start getting teeth?
3 weeks old
What week do kittens start getting teeth?
2 weeks old
Eruptions Dates of Canine Teeth (Canine)
Eruption Dates of the Premolars (Canine)
Eruptions Dates of Canine Teeth (Feline)
Eruption Dates of the Premolars (Feline)
Blood Supply to Teeth
Infraorbital branches from maxillary arteries and veins
Mandibualveolar artery and vein
Nerve Supply to Teeth
Upper or Maxillary Teeth
From trigeminal n., to maxillary n., to ==>
Lower or Mandibular Teeth
INFERIOR ALVEOLAR NERVE
From trigeminal n. to mandibular n. to ==>
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