Terminology & Chronology Flashcards by Annabella Moody

Name each of the following labels

1- Gingival/Cervical
2- Mesial
3- Incisal
4- Distal

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What does the dotted line represent?

Median line

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What do each of the following labels represent?

A- Facial/buccal
B- Mesial
C- Lingual/Palatal
D- Distal

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Label the following regional terms

1- Apically
2- Cervically
3- Incisally

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What are the three number systems for permanent teeth?

Universal numbering system (#1-32)
Palmer notation system
FDI system of numbering

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In regards to which numbering system, each tooth is numbered 1-32 in the permanent dentition

Universal system of notation

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Assign each tooth its number per the Universal system of notation

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Number of the central incisors

Maxillary #8 #9
Mandibular #24 #25

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Numbers of the lateral incisors

Maxillary #7 #10
Mandibular #23 #26

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Numbers of the canines

Maxillary #6 #11
Mandibular #22 #27

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Numbers of the maxillary premolars

4 #5 #12 #13

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Numbers of the mandibular premolars

20 #21 #28 #29

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Numbers of the maxillary molars

1 #2 #3 #14 #15 #16

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Numbers of the mandibular molars

17 #18 #19 #30 #31 #32

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According to the Universal system of notation- each primary teeth identified according to a ___

Letter (a-t)

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Label each of the following deciduous teeth according to the Universal System of Notation

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Sharp junction of the red zone of the lips and skin

Vermillion border

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Demarcates lip and cheek

Nasolabial groove

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Middle of upper lip

Philtrum of lip

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Corner of the mouth

Commissure

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Groove between lips and chin

Labiomental groove

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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

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Slit-like space between teeth and lips/cheeks

Oral vestibule

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Attachments of the lips and cheeks to the alveolus

Labial/Buccal Frena

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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?

Number of deciduous central incisors per arch

Number of deciduous lateral incisors per arch

Number of deciduous canines per arch

Number of deciduous first molars per arch

Number of deciduous second molars per arch

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?

Number of permanent central incisors per arch

Number of permanent lateral incisors per arch

Number of permanent canines per arch

Number of permanent first premolars per arch

Number of permanent second premolars per arch

Number of permanent first molars per arch

Number of permanent second molars per arch

Number of permanent third molars per arch

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