chapter 6&7 dental anatomy

the term for the teeth that replace the 20 primary teeth is

Succedaneous

the teeth that are not succedanous are which teeth

the premolars

what are the functions of the primary teeth

mastication, support, formulation of clear speech, maintin space for permanent teeth

at what age do the primary teeth completely erupt

2 ½ years old

at what age is mixed dentition

6-12 years old

which permanent teeth are the first to appear in the mouth

permanent first molars

at what age do the permanent first molars appear

6 years old

at what age are the primary incisors replaced?

6-9 years old

what teeth erupt after the permanent first molars

permanent mandibular central incisors at 6-8 years old

at what age do the third molars appear

17-21

what is the pattern of eruption in the mouth

mandibular central incisors- maxillary Central incisors- maxillary lateral incisors- mandibular lateral incisors- maxillary first molars- mandibular first molars- maxillary canines- mandibular canines- maxillary 2nd molary- manidbular 2nd molars

what is resorption

it is when the root is reabsorbed to make space for the permanent teeth roots.

how many years after does root reabsrption occur?

root reabsorption begins 3 years after the roots are all completely developed so basically at 5 years old

when do permanent tooth crowns begin to form?

at birth

what is attrition?

the wear of teeth on the incisal or occusal end of a tooth.

which teeth are wider mesiodistally then incisal cervically?

maxillary central incisors, maxillary first molars, and mandibular 1st molar

which tooth has a more cervical contact point on the mesial side

the primary canine w the primary lateral and the mandibular first molar

why is enamel whiter in primary teeth compared to permanent teeth?

due to the opacity of primary teeth.

at what age does the mandibular central incisors root develop

at 10 years old

which permanent teeth are the smallest?

mandibular central incisors.

what is the shape of the anterior teeth when viewed from the proximal view?

triangular

what tooth has a peg shape?

maxillary lateral

what is a apperculum

a flap of tissue that goes over a unerrupted tooth

what is fenetic

articulation of sound and speech

what does dehiscence mean?

it’s a isolated root with no bone covering

where are enamel pearls location on commonly?

on the maxillary molars

enamel extension is present on what teeth?

the mandibular molars

what is the tooth number between J?

#13

which tooth is adjacent and mesial to the primary second molar for a child who is 7 years old?

the permanent first molar

estimate the age of someone with these teeth- primary maxillary incisor, canines, molar, permanent mandibular first molar

5-7 year old

what is the term for someone who’s ginigiva has a lack of attachment

mucogingival defect

the maxillary first permolar is completed at what age?

12-14 years old