Lesson 1 - Introduction to Nomenclature
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What is a Heterodont and what is a Diphyodont ?
What are Deciduous and Succadaneous/Permanent teeth? How many of each are there ?
- Diphyodont = two sets of teeth
- Heterodont = Means you have different teeth
- Deciduous are the primary set of teeth =20
- Succadaneous teeth are the permanent teeth =32
What age do we have the deciduous teeth ?
What age do we have the permanent teeth ?
What age do we have a mixed dentition ?
- 2 months - 6 years
- 6 - 21 years
- 6-12 years
What is the deciduous and the Succedaneous dentition formulas' ?
- Deciduous is = I C M
- Succedaneous = I C P M
What is the normal eruption sequence for the (Permanent Dentition) ?
Explain the three numbering systems ?
Universal (Deciduous and Succedaneous)
Federation Dentare Internationale
•Universal (1-32 and A-T)
- •Federation Dentare Internationale
•Palmer notation (quadrant/tooth)
What is Enamel ?
What is Dentin ?
What is the DEJ ?
Outercovering of crown ,Hardest substance in body
Main component of the tooth
What is Cementum ?
What is the CEJ ?
The outer covering of the root
Cementum enamel Junction
What is the difference between the Anatomical vs Clinical root and crown ?
•Crown and root: Anatomical vs Clinical
•Anatomical crown: covered by enamel
•Anatomical root: covered by cementum
•Clinical crown: visible
•Clinical root: not visible
Explain the follwoing anatomical structures in regards to a tooth?
Pulp cavity , Chamber , Canal , Horns , pulp ,vessels , nerve
What are the following ?
Periodontal ligament , Gingiva , Alveolar process , Alveolus
•Alveolar process: bone which supports teeth
•Alveolus: tooth socket
- ligament (PDL): fibers supporting tooth in alveolus
- •Gingiva: soft tissue
- covering alveolar process (“gums”)
What is the lobe sequence for :
- Incisors - 4 lobes
- Canines - 4 lobes
- PreMolars - 4 lobes (2 cusps) Mandibular 2nd premolar sometimes has "5 lobes " 3 cusp variety
Maxillary - 1st Molar 5 lobes , 2nd and 3rd (4 lobes)
What is the curve of spee , wilson , and sphere of monsoon ?
- spee = lingual to lateral
- wilson = buccal to lingual
- sphere monson = both
What shape do the /maxillary posterior teeth have , proximal view and then facial view ?
What about Mandibular posterior teeth proximal view and facial view?
- Facial = trapezoidal , long edge up
- proximal - trapezoidal , long edge down
- Proximal = rhomboidal
- facial = trapezoidal long edge up
What are the difference between incisal and cervical embrasures from anterior to posterior ?
- incisal gets larger from anterior to posterior
- cervical gets shorter anterior to posterior
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