Teeth Flashcards
Describe a normal bite
Upper incisors arfe Rostral to the lower incisors (scissors bite)
What is the medical term for an undershot bite?
Prognathic - Mandible longer than maxilla: lowest incisors Rostral to upper
What is the medical term for an overshot jaw?
Brachygnathic bite: upper incisors significantly Rostral to lower incisors
What are the primary or baby teeth called?
Deciduous teeth
What are two teeth problems?
Persistent deciduous teeth and abnormal number
What can you do with persistent deciduos teeth?
Extract ASAP
Define oligodontia
Congenital absence of majority of teeth
What is the absence of a few teeth that is a common genetic fault, often involve in missing premolars?
Hypodontia
Which disease is characteristic with an enzyme deficiency that affects heme synthesis and results in pink/brown teeth?
Feline porphyria
What is the common term for enamel hypoplasia?
Canine distemper
What is the rhythmic or spasmodic grinding of teeth termed as?
Bruxism
What can lead to retained teeth?
Portosystemic shunts
Where does the tooth sit?
In alveolar bone
Which type of joint is present in teeth?
Gomphosis
Which fibrous structure attaches the tooth (cementum) to the alveolus?
Periodontal ligament
What is the correct term for the structure that covers the bone ?
Gingiva (gums)
Which part of the gums can be measured?
The free part
List the 4 parts of the tooth
- Crown
- neck
- root
- pulp cavity
List the types of teeth according to their function
- incisors
- canines
- pre molars
- molars
Teeth with conical/rounds cusps
Bunodont
Define hypsodont
teeth with folded cusps
List the 2 tissues of the crown and neck of a tooth
Enamel and dentin
What are the tissues of the root of the tooth
Dentin and cementum
What is the final generation of teeth in mammals that replace deciduous teeth?
Permanent teeth
Define the apex of the tooth
Tip of the root through which bv. And n. Enter the tooth
What is the term used when referring to a location or direction toward the tip of a tooth root?
Apical
A short crown:root ration with a true root is what type of tooth? Hint: once the apex forms the growth stops
Brachydont
What is term pertaining to the cheek?
Buccal
What separates the crown from the root and also separates the portion of the tooth covered by enamel or cementum?
Cemento-enamel junction
Describe cementum
Outer layer covering of the root
What produces cementum?
Cementoblasts
What is the rounded surface of the cervical third of the lingual/palatal surface of the incisor teeth?
Cingulum
Describe the crown of a tooth
Portion of tooth normally visible in the mouth
What is a cusp?
Pronounced point on the occlusal/most coronal portion of the tooth
The intermediate layer of the tooth that forms the bulk of the calcified tooth structure and is covered by enamel and cementum is ?
Dentin
What do odontoblasts produce?
Dentin
The space between 2 adjacent teeth in the same dental arch is the _______________
Diastema
What is enamel?
Hardest substance in body that covers the outer layer of the crown
What produces enamel?
Ameloblasts
The normal space between the gingival margin and the tooth attachment is the :
Gingival sulcus
What is the term meaning “pertaining to the tongue/lingual”?
Glossal
What type of tooth continually erupts?
Hypsodont
What are the surfaces of the Mandibular teeth that face the tongue called?
Lingual
Define mamelon
1 of the 3 rounded protuberances on the cutting edge of a new incisor; mitten
The interproximal surface of the tooth that faces rostrally/towards the midline of the arch:
Mesial
What does the perdidonteum consist of?
Gingiva, periodontal l, cementum and alveolar bone
Define pulp
Inner most layer of the tooth consisting of odontoblasts, CT, lymph vessels etc
Differentiate the pulp cavity form the pulp chamber
Cavity: entire space within the tooth
Chamber: part of the cavity contained within the crown
Define root canal
Part of the pulp cavity continued within the root of the tooth
The ____________ is the portion of the tooth embedded in the maxilla or mandible bone
Root
Another term for The surface of the tooth facing the lips apart from buccal/labial:
Vestibular
List 3 eruption patterns:
Polyphodont, Diphydont, elodont and anelodont
What are the types of teeth that are continuously replaced?
Polyphodont
Give an example of a diphydont
Humans
A shark has what type of eruption
Polyphyodont
What is a single eruption pattern called?
Monophyodont
The eruption pattern where the tooth has a limited period of growth:
Anelodont
Define homodont
Dentition where all teeth are the same shape
Dentition with differently shaped teeth and function
Heterodont
What are the 2 ways a tooth can erupt in its axes?
Vertical and Horizontal
Which teeth are the true grinding teeth in heterodonts?
Molars
Which are the most commonly broken teeth in dogs?
Canines, Incisors and premolars
What are the most commonly fractured teeth in cats?
Canines
What is the formula for PERMANENT Dentition in dogs?
3 1 4 2 / 3 1 4 3 = 42
What is the abbreviation for primary teeth in the dental formula?
I, C, P, M “d”
What is the formula for PERMANENT teeth in cats?
3 1 3 1 / 3 1 2 1 =30
Which are the carnassial teeth in dogs and cats?
Upper Premolar 4 and lower Molar 1
When do permanent teeth erupt in dogs?
3-7 months
What is the name of the system used to number teeth?
Modified Triadan System
Which number is related to the maxillary right quadrant?
100
Which quadrant is 200?
Maxillary left quadrant
Which number is Mandibular left quadrant?
300
What are the designations for PRIMARY teeth in the Mod Triadan system?
Upper R - 500; upper L - 600; lower left 700; lower right 800
What is the rule of 4 and 9?
04 will always be the canine tooth and 09 will always be the 1st molar
Which Pre molar never develops in cats ?
1st (05, 06)
Which
