Tooth identification systems

How many teeth in the permanent dentition
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Terms in this set (35)
How many teeth in the permanent dentition
32
How many teeth in the primary dentition
20
Universal system - numbering teeth permanent teeth
Most widely used
Numbers teeth 1-> starting from the right maxillary 3 molar and going in a circle with the right mandibular 3 molar at 32
Universal numbering system primary teeth
A though T
Right maxillary 2 molar as A and the right Mandibular second molar as T
Palmer system
Used by many orthodontics
1-8 in each quadrant, 1 always starting with the central incisor
Uses the line drawings
Image: Palmer system
International system
Permanent quadrant
1 - upper right
2- upper left
3- lower left
4- lower right

Primary
5, 6, 7, 8

Teeth are 1-8 in each quadrant
Image: International system
Dental formula
I 2/2 C 1/1 PM 2/2 M 3/3
Know the labels of the tooth
Image: Know the labels of the tooth
Periodontium
Anything else that's not in the tooth
Periodontal ligament
deals with the impact the teeth go through so they don't break
Gingival marginThe rolled border or crest of tissue surrounding the crown portion of each tooth.Periodontal sulcusthe triangular gum space in between each toothClinical crownonly appears when the tooth is in the mouth. It is whatever you can see, sometimes that might include the anatomical rootCrestprojecting ridge along a bone or tooth surfaceEminenceA prominence or elevation of the boneProcessProjection or outgrowth from boneProtuberanceProminence of boneRidgelinear narrow elevated portion of bone or toothTubercleSmall rounded projection on bone or toothAlveolusSmall and hollow space where tooth roots fit within the jaw bonesCavityHollow place within the body or the boneForamenSmall hole through the bone or tooth for the passage of nerves and vesselsFoveaSmall pit or depressionFissurecleft or groove between partsFossaSmall hollow or depressed areaGrooveLinear depression of bone or toothSinusHollow air filled cavity or space within skull bones or a channel for venous bloodAperturean opening or holeForamen ovaleSpecific oval shaped foramenForamen rotundumround foramenMeatusnatural passage or opening in the bodyHow many bones are in the face14What are the functions of the facial bonesRespiration and digestionFacial nerve CNVIIsensory and motor for facial expression Sense and taste to the anterior 2/3 of the tongue Stimulates salivary glands: sublingual and submandibularPosterior 1/3 of the tongue is innervated byGlossopharyngeal Nerve (CNIX) - taste, feeling, motor fibers, parotid glands Hypoglossal Nerve (CNXII) - if nerve damaged, tongue will deviate towards the affected side