_______: Toward the midline of the dental arch
_______: Away from midline (caudal)
_______: (contact) surface facing adjoining teeth
_______: betwee the contact surfaces of adjoining teeth
Mesial : Toward the midline of the dental arch
Distal: Away from midline (caudal)
Proximal: (contact) surface facing adjoining teeth
Interproximal: betwee the contact surfaces of adjoining teeth
What is a wider space between teeth called?
What are the chewing surfaces of molars called?
_______ means toward the root or away from the crown. _______ means toward the crown.
What is a Chevron Sign?
Widened periodontal ligament spaces in the apical areas of endodontically sound (healthy) teeth
What is the lamina lucida? What is the lamina dura?
What absorbs shock, supplies nutrients to alveolar bone and cementum as well as providing tactile and proprioceptive info?
What can excessive vitamine D in cat food cayse?
Ossification of the periodontal ligament
What is the anatomical system for numbering teeth? What is the Triadan system?
Anatomic: Teeth labled based on type of tooth (M=molar, I=incision, C=canine) plus a number to the right or left of the letter as a sub or superscript (side of mouth, mandible vs maxilla)
Triadan: each tooth assigned 3-digit number; right maxilla = quadrant 1 = number start with 1, etc. (for deciduous 5, 6, 7, 8 instead of 1, 2,3,4)
What is the dental formula for a dog? Cat?
Dog: 3/3, 1/1, 4/4, 2/3 x2 =42 total
Deciduous: 3/3, 1/1, 3/3 x2= 28 total
Cat: 3/3, 1/1, 3/2, 1/1 x2= 30 total
Deciduous: 3/3, 1/1, 3/2 x2=26 total
Which teeth are considered carnassial in carnivores? What does this mean?
PM 4 on maxilla
M1 on mandible
Largest teeth in the mouth, essential for shearing flesh
What layer of the tooth is the largest?
Where do the nerves and vessels enter the pulp cavity?
What is this? What does it overlie?
What does pulp consist of?
What quadrant (Triaden system) is the left mandible? Right maxilla?
What is the rule of 4 and 9?
The 4th tooth is always the canine tooth
The 9th tooth is alwats the first molar
In relation to the deciduous tooth, where do the adult teeth erupt?
Except maxillary canines which erupt mesial
What breeds are predisposed to crowding? Which tooth is most commonly affected?
Which tooth is often supernumary in Boxers?
_______ is the joining of two teeth, typically there will be ____ crown(s) and _____ root(s).
_______ is the incomplete splitting of two teeth, typically there will be ____ crown(s) and _____ root(s).
Fusion: 1 crown, 2 roots
Gemination/twinning= 2 crowns, 1 root
T/F: If the deciduous tooth is congenitally absent, the adult tooth will also be missing.
What is the Triadan classification of the left maxillary canine?
What is the most common malocclusion?
Base narrow canines (Class 1 malocclusion)
What is the difference between a class 1, class 2, and class 3 malocclusion?
Class 1: One or more teeth are not in the normal scissor alignment
Class 2: Mandibular brachygnathism, mandible too short or maxilla too long
Class 3: Mandibular prognathism, mandible too long or maxilla too short
What is the difference between attrition and abrasion?
Attrition = wearing away of crown by tooth against tooth contact
Abrasion= wearing away of crown by abnormal contact with structures other than teeth (E.g. bones, cage bars, balls)
What is the malocclusion called that when the midlines of the top and bottom arcades not to line up?
What are the treatment options for maloclusions?
Interceptive orthodontics/Orthodontic appliances: incline planers
Exodontics: Removing deciduous or adult teeth
What relationship should the mandibular and maxillary canines have to each other?
Mandibular canine should be ROSTRAL to Maxillary canine
What is the recommended treatment for impacted teeth? What can form if you do not treat these and what does it look like?
Dentigerous cyst- swelling with a blue hue