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Odontograms Charting Flashcards

38 Questions

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Odontograms Charting Flashcards

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Questions and Answers

What colour pen is used to record most findings?

blue pen

A red pen is used to designate conditions that require?

treatment

Name five things that need to be marked in red on the odontogram.

carious lesions, overhanging margins, fractures, periapical abscesses, and some periodontal pockets

What must you do before you begin charting?

<p>always count the number of teeth present before you begin</p> Signup and view all the answers

List the 11 circuits in charting.

<p>missing teeth, occlusion, abnormal surfaces of teeth, mobility, percussion, abnormalities of the gingivas periodontal membrane, decayed, replaced, and fractured teeth, contact points, vitality, radiographs, lab tests</p> Signup and view all the answers

What teeth are absent more often than any other teeth, other than the permanent third molars?

<p>the maxillary lateral incisors and the mandibular second bicuspids</p> Signup and view all the answers

When charting for missing and misplaced teeth, what do you look for?

<p>edentulous areas, tipped, rotated, and supernumerary teeth, impacted teeth</p> Signup and view all the answers

Missing and misplaced teeth: Incomplete eruption is recorded with a _ pen and on the _ aspect.

<p>blue, facial</p> Signup and view all the answers

Missing and misplaced teeth: Over eruption is recorded with a _ pen and on the _ aspect.

<p>blue, facial</p> Signup and view all the answers

Missing and misplaced teeth circuit: Unerupted quadrant is recorded in _ colour and _ aspects.

<p>blue, facial and lingual</p> Signup and view all the answers

Missing and misplaced teeth circuit: Partially erupted quadrant is recorded in _ colour and _ aspects.

<p>blue, facial and lingual</p> Signup and view all the answers

Missing and misplaced teeth odontogram; impacted teeth: vertical impaction is recorded in _ colour and _ aspects.

<p>blue, facial and lingual</p> Signup and view all the answers

Missing and misplaced teeth odontogram: Impacted teeth: horizontal impaction is recorded in _ colour and _ aspects.

<p>blue, facial and lingual</p> Signup and view all the answers

Mesioangular impaction uses _ colour pen and on _ aspects.

<p>blue, facial and lingual</p> Signup and view all the answers

Missing and misplaced teeth odontogram- impacted teeth- distoangular impaction- what colour pen and what aspects?

<p>blue, facial and lingual</p> Signup and view all the answers

Missing and misplaced teeth- impacted teeth- buccal impaction and lingual impaction- what colour pen and what aspects?

<p>blue, facial and lingual</p> Signup and view all the answers

What colour pen and what aspects are used for supernumerary teeth?

<p>blue pen, facial aspect</p> Signup and view all the answers

How are supernumerary teeth determined?

<p>radiographically</p> Signup and view all the answers

When charting missing and misplaced teeth with a space maintainer present, use a _ pen and the _ aspect.

<p>blue, occlusal</p> Signup and view all the answers

When charting rotated teeth, what colour pen would you use and on what aspect?

<p>blue, occlusal</p> Signup and view all the answers

What is the pen colour and aspect for the buccal/lingual version?

<p>blue, occlusal</p> Signup and view all the answers

Missing & misplaced teeth- tipping- pen colour and aspect?

<p>blue, facial</p> Signup and view all the answers

Missing & misplaced teeth- drifting- colour and aspect?

<p>blue, facial</p> Signup and view all the answers

How do you chart drifting teeth?

<p>with a blue pen; circle the missing tooth and then have an arrow on the facial aspect pointing toward the empty space</p> Signup and view all the answers

What is the definition of an orthognathic facial profile?

<p>NABP plane is perpendicular to Frankfort plane, basal bone of mandible is in normal position relative to cranium, present with a reasonably straight facial profile.</p> Signup and view all the answers

Facial profiles can be classified into how many categories?

<p>three categories</p> Signup and view all the answers

Describe a retrognathic facial profile.

<p>NABP angle is less than 90 degrees, basal bone of mandible is retruded relative to cranium. Presents a convex facial profile due to prominence of the lip.</p> Signup and view all the answers

What is a prognathic facial profile?

<p>NABP plane angle is greater than 90 degrees, basal bone of mandible is protruded relative to cranium, presents a concave facial profile due to prominence of the chin.</p> Signup and view all the answers

What class of occlusion is ideal?

<p>Class 1</p> Signup and view all the answers

In class 1 malocclusion, what is the facial profile like?

<p>orthognathic, lip and tongue function normally with no apparent prominence of the lip.</p> Signup and view all the answers

What class of malocclusion is orthognathic?

<p>Class 1</p> Signup and view all the answers

Describe the occlusal profile of Class 1 malocclusion.

<p>MB cusp of maxillary first permanent molar articulates with MB groove of mandibular first permanent molar. The maxillary cuspid and bicuspid occlude behind the corresponding mandibular cuspid and bicuspid. OJ and OB are minimal and equal.</p> Signup and view all the answers

What class of malocclusion can cause retrognathic profiles?

<p>Class 2</p> Signup and view all the answers

Explain the occlusal profile of class 2 occlusion.

<p>The MV cusp of the maxillary first premolar articulates with the M embrasure of the mandibular first permanent molar. The maxillary cuspid and bicuspid occlude ahead of the corresponding mandibular cuspid and bicuspid.</p> Signup and view all the answers

What can result from class 2 occlusion?

<p>varying OJ/OJ relationships</p> Signup and view all the answers

What class and division of malocclusion occurs when max incisors are in labioversion?

<p>Class 2, division 1</p> Signup and view all the answers

When the max incisors (specifically the centrals) are in linguoversion, what does it result in?

<p>class 2, division 2, OB</p> Signup and view all the answers

What class of malocclusion occurs when the max incisors (especially the centrals) are in linguoversion?

<p>Class 2, division 2</p> Signup and view all the answers

Study Notes

Odontograms Charting

A blue pen is used to record most findings on an odontogram.
A red pen specifies conditions that require treatment.
Red marks are made for carious lesions, overhanging margins, fractures, periapical abscesses, and some periodontal pockets.
Count the number of teeth present before beginning charting.
Charting involves 11 circuits: missing teeth, occlusion, abnormal tooth surfaces, mobility, percussion, gingival abnormalities, decayed, replaced, and fractured teeth, contact points, vitality, radiographs, and lab tests.
Maxillary lateral incisors and mandibular second bicuspids are the most frequently absent teeth, aside from permanent third molars.
When examining for missing or misplaced teeth, note endentulous areas, tipped, rotated, supernumerary teeth, and impacted teeth.
Incomplete eruption of teeth is recorded with a blue pen on the facial aspect only.
Over eruption is also recorded with a blue pen on the facial aspect.
Unerupted quadrants are documented in blue pen on both facial and lingual aspects.
Partially erupted quadrants are indicated in blue pen on facial and lingual aspects.
Vertical impacted teeth are recorded with a blue pen on both facial and lingual aspects.
Horizontal impacted teeth are noted in blue pen on facial and lingual aspects.
Mesio-angular impaction is documented using a blue pen on facial and lingual aspects (root area).
Distoangular impaction is recorded in blue pen on facial and lingual aspects.
Buccal and lingual impactions are marked in blue pen on facial and lingual aspects, with an arrow on the occlusal.
Supernumerary teeth are indicated on the facial aspect using a blue pen and determined radiographically.
When a space maintainer is present, document it with a blue pen on the occlusal aspect, noting unerupted primary teeth in the case.
Rotated teeth are charted with a blue pen on the occlusal aspect.
Buccal/lingual version of teeth is noted with a blue pen on the occlusal aspect.
Tipping of teeth is recorded in blue on the facial aspect.
Drifting of teeth is charted with a blue pen; circle the missing tooth and create an arrow pointing to the empty space on the facial aspect.

Facial Profiles

The orthognathic profile presents a straight facial alignment, with the NABP plane perpendicular to the Frankfort plane and normal position of the mandible relative to the cranium.
Facial profiles can be categorized into three types: orthognathic, retrognathic, and prognathic.
The retrognathic profile has an NABP angle less than 90 degrees, characterized by a retruded mandible and a convex appearance due to the prominence of the lip.
The prognathic profile demonstrates an NABP angle greater than 90 degrees, with a protruded mandible leading to a concave appearance from a prominent chin.

Classes of Occlusion

Class 1 occlusion is considered ideal, characterized by normal lip and tongue function and a straight facial profile.
In Class 1 malocclusion, the maxillary first molar cusp articulates with the mandibular first molar groove, with minimal overjet (OJ) and overbite (OB).
Class 2 malocclusion features a retrognathic profile with a prominent maxilla or retruded mandible, resulting in a convex facial appearance.
Occlusal profile of Class 2: The maxillary first premolar cusp interacts with the mandibular first molar's mesial embrasure, with maxillary cuspid and bicuspid occluding ahead of their mandibular counterparts.
Class 1- division 0 shows normal inclination of maxillary incisors with minimal facial profile distortion.
Class 2- division 1 involves maxillary incisors in labioversion leading to a pronounced overjet, creating a dramatic convex facial profile.
Class 2- division 2 occurs when the central maxillary incisors are in linguoversion, potentially resulting in a substantial overbite with little overjet.

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Test your knowledge on odontogram charting with these flashcards. Learn about color coding for dental findings, including what colors indicate specific conditions and what needs to be marked. Perfect for dental students and professionals looking to refresh their skills.

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