Terminology & Chronology Flashcards
Name each of the following labels
1- Gingival/Cervical
2- Mesial
3- Incisal
4- Distal
What does the dotted line represent?
Median line
What do each of the following labels represent?
A- Facial/buccal
B- Mesial
C- Lingual/Palatal
D- Distal
Label the following regional terms
1- Apically
2- Cervically
3- Incisally
What are the three number systems for permanent teeth?
Universal numbering system (#1-32)
Palmer notation system
FDI system of numbering
In regards to which numbering system, each tooth is numbered 1-32 in the permanent dentition
Universal system of notation
Assign each tooth its number per the Universal system of notation
Number of the central incisors
Maxillary #8 #9
Mandibular #24 #25
Numbers of the lateral incisors
Maxillary #7 #10
Mandibular #23 #26
Numbers of the canines
Maxillary #6 #11
Mandibular #22 #27
Numbers of the maxillary premolars
4 #5 #12 #13
Numbers of the mandibular premolars
20 #21 #28 #29
Numbers of the maxillary molars
1 #2 #3 #14 #15 #16
Numbers of the mandibular molars
17 #18 #19 #30 #31 #32
According to the Universal system of notation- each primary teeth identified according to a ___
Letter (a-t)
Label each of the following deciduous teeth according to the Universal System of Notation
Sharp junction of the red zone of the lips and skin
Vermillion border
Demarcates lip and cheek
Nasolabial groove
Middle of upper lip
Philtrum of lip
Corner of the mouth
Commissure
Groove between lips and chin
Labiomental groove
Label each of the following areas
1- Nasolabial groove
2- Philtrum of lip
3- Vermillion border
4- Labiomental groove
5- Commissure/Corner of mouth/Angle
Slit-like space between teeth and lips/cheeks
Oral vestibule
Attachments of the lips and cheeks to the alveolus
Labial/Buccal Frena
Bony area surrounding the teeth
Alveolus
What is the area outlined?
Labial/Buccal Frena
What elements comprise the hard palate?
Incisive Papilla
Rugae
Midline Palatine Raphe
What do the following labeled areas represent?
A- Incisive Papilla
B- Rugae
C- Midline Palatine Raphe
Back 1/3 of mouth, including the Uvula
Soft Palate
Structures that comprise the oropharynx
Tonsils
Anterior/Posterior pillars of the fauces
The anterior and posterior pillars of the fauces may be referred to as:
Palatoglossal arch and Palatopharyngeal arch respectively
The floor of the mouth is comprised of:
Sublingual folds, lingual frenum
Raised folds where submandibular salivary ducts open
Sublingual folds
Cheek and retromolar region are comprised of:
Buccal mucosa
Retromolar pad
What are the following labeled areas?
1- Lingual Frenum
2- Lingual Frenum
What are the following labeled areas?
1- Retromolar pad
2- Buccal mucosa
What is the significant of knowing each of the following events:
- Time of eruption of each tooth
- Time crown begins to calcify
- Time crown is completely calcified
- Time of completion of root development
- Time of exfoliation of deciduous teeth
1- allows us to assess the patient’s dental age
2- important for dental procedures
3- medications
4- forensics
First sign of tooth developments occurs at
6-7 weeks in utero
Deciduous teeth begin to calcify at
13-20 weeks in utero
All deciduous teeth have begun to calcify by
18-20 weeks in utero
Deciduous teeth erupt at
6-30 months
What occurs at 6-7 weeks in utero?
First sign of tooth development
At 13-20 weeks in utero what occurs?
Deciduous teeth begin to calcify
By 18-20 weeks in utero what has occurred?
All deciduous teeth have begun to calcify
6-30 months represents the time frame that:
Deciduous teeth erupt
Emergence of teeth into the oral cavity
Eruption
Loss of the deciduous tooth
Exfoliation
Exfoliation of a tooth occurs shortly before its:
Permanent successor erupts
How many deciduous teeth are their?
20
Number of deciduous central incisors per arch
2
Number of deciduous lateral incisors per arch
2
Number of deciduous canines per arch
2
Number of deciduous first molars per arch
2
Number of deciduous second molars per arch
2
The deciduous dentition does not include:
Premolars
Eruption time of deciduous mandibular central incisors
6-8 months
Eruption time of deciduous maxillary central incisors
10 months
Eruption time of deciduous maxillary lateral incisors
11 months
Eruption time of deciduous mandibular lateral incisors
13 months
Eruption time of deciduous maxillary first molar
16 months
Eruption time of deciduous mandibular first molar
16 months
Which erupts first between the deciduous maxillary first molar and mandibular first molar?
Maxillary first molar
Eruption time of deciduous maxillary canine
19 months
Eruption time of deciduous mandibular canine
20 months
Eruption time of deciduous mandibular second molar
27 months
Eruption time of deciduous maxillary second molar
29 months
Time period of eruption of deciduous teeth
Between 6 and 30 months
Deciduous eruption pattern
Incisors —> First molars —> Canines —> Second molars
When have all deciduous teeth began to calcify?
18-20 weeks in utero
Primary teeth start to erupt at
6 months
All primary teeth have erupted by
30 months
Deciduous dentition lasts until
The eruption of the first permanent tooth
When is the eruption of the first permanent tooth?
Around 6 years
Only deciduous teeth present (up to 6 years of age)
Deciduous dentition
Mixture of deciduous and permanent teeth present
Mixed dentition
Only permanent teeth present
Permanent dentition
How many permanent teeth are there?
32
Number of permanent central incisors per arch
2
Number of permanent lateral incisors per arch
2
Number of permanent canines per arch
2
Number of permanent first premolars per arch
2
Number of permanent second premolars per arch
2
Number of permanent first molars per arch
2
Number of permanent second molars per arch
2
Number of permanent third molars per arch
2
Permanent teeth that replace deciduous teeth
Succedaneous teeth
Permanent teeth that do not replace deciduous teeth
Non-succedaneous teeth
What do each of the following labels represent?
A- Deciduous molar
B- Area of resorption
C- Permanent successor
Time of eruption of the mandibular first molars
6 years
Time of eruption of the maxillary first molars
6 years
Which erupts first between the two- maxillary or mandibular first molars?
Mandibular
Maxillary and mandibular first molars are both
Non-succedaneous teeth
Time of eruption of mandibular central incisor
6-7 years
Time of eruption of mandibular lateral incisors
7-8 years
Time of eruption of maxillary central incisors
7-8 years
Time of eruption of maxillary lateral incisors
8-9 years
Time of eruption of mandibular canine
9-10 years
Time of eruption of maxillary first premolar
10-11 years
Time of eruption of mandibular first premolar
10-11 years
Time of eruption of maxillary second premolar
10-11 years
Time or eruption of mandibular second premolar
11-12 years
Time of eruption of maxillary canine
11-12 years
Time of eruption of mandibular second molar
11-13 years
Time of eruption of maxillary second molar
12-13 years
Time of eruption of mandibular third molar
17+ years
Time of eruption of maxillary third molar
17+ years
Root development of the permanent teeth is completed by
2-3 years after eruption of teeth
Calcification of crown of teeth is completed
1/2 time of eruption +1 year
The first part of each tooth to calcify is the
Crown