Dh101: Preclinical Sciences Part 1
This set of flashcards covers key concepts related to dental charting, materials used in inlays and onlays, the anatomy of the periodontium, and the structures of the gingiva. It emphasizes important dental terms, such as the fibrous tissues, periodontal ligaments, and gingival anatomy, along with their functions and relationships in dental health.
The graphic representation of the condition of the client's teeth observed on a specific date
Dental charting
Key Terms
The graphic representation of the condition of the client's teeth observed on a specific date
Dental charting
The most commonly used forms of dental charting present ____________.
anatomic or geometric tooth representations.
Inlays can be ________ or _________. (what materials?)
porcelain or gold
Inlays do or do not cover cusps?
do NOT
Onlays do or do not cover cusps?
DO
Where are inlays and onlays made most of the time?
In a lab.
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| Term | Definition |
|---|---|
The graphic representation of the condition of the client's teeth observed on a specific date | Dental charting |
The most commonly used forms of dental charting present ____________. | anatomic or geometric tooth representations. |
Inlays can be ________ or _________. (what materials?) | porcelain or gold |
Inlays do or do not cover cusps? | do NOT |
Onlays do or do not cover cusps? | DO |
Where are inlays and onlays made most of the time? | In a lab. |
The most congenitally missing teeth in the mouth are the _______ and _______. | maxillary laterals and mandibular first premolars |
Extra teeth are called _________. | Supernumerary |
The functional unit of tissues that surrounds and supports the tooth is called _________. | the periodontium. |
The fibrous connective tissue that surrounds and attaches the roots of teeth to the alveolar bone is called _________. | the periodontal ligament. |
The periodontal ligament is located where? | In the periodontal space between the cementum and the alveolar bone. |
The periodontal ligaments is composed of _____ & _______. | connective tissue cells and intracellular substance. |
The fibers that are inserted into the cementum on one side and the alveolar bone on the other are called _________. | Sharpey's Fibers. |
In health, the free gingiva is closely __________. | adapted to each tooth. |
Where does the FG attach? | Connects with the attached gingiva at the free gingival groove. |
T/F | False |
The shallow linear groove that demarcates the free from the attached gingiva is called __________. | the free gingival groove. |
Also called the gingival crest, this is the margin of the gingiva, or free margin. | Gingival margin |
The gingival margin is located _______. | the edge of the gingiva nearest the incisal or occlusal surface. |
What does the gingival margin mark? | The opening of the gingival sulcus. |
What marks the opening of the gingival sulcus? | The gingival margin. |
The crevice or groove between the free gingiva and the tooth is called _______ | the gingival sulcus. |
Boundaries of the gingival sulcus: | Inner: Tooth surface |
The base of the sulcus or pocket is also called the "___________" | "Probing depth" |
Gingival Sulcus: | shallow and may only be 0.5 mm |
Gingival sulcus fluid (_______fluid, ______ fluid) | Sulcular fluid, cervicular fluid |
The gingival sulcus fluid increases with _______. | Inflammation. |
Cuff-like band of stratified squamous epithelium that is continuous with the sulcular epithelium and completely encircles the tooth. | Junctional Epithelium |
The junctional epithelium is widest at the junction with the _________. | sulcular epithelium. |
The junctional epithelium narrows down to the width of a few cells at the __________. | apical end (base of pocket). |
The junctional epithelium is | Non-keratinized (not hard) |
The junctional epithelium provides a ______ at the base of the sulcus. | seal |
As the tooth erupts, the junctional epithelium attachment is __________. | on the enamel. |
During eruption,The junctional epithelium migrates towards the __________. | CEJ (cementoenamel junction) |
At full eruption,The junctional epithelium attachment is on the __________, where it becomes firmly attached. | cementum. |
When does migration of the junctional epithelium along root surface occur? | with periodontal infections or occlusal/incisal trauma. |
Junctional Epithelium: | 1-1.5 mm |
Junctional Epithelium: | gum attachment |
Gingiva firmly attached to the underlying bone. | Attached gingiva. |
Attached gingiva is continuous with the oral epithelium of the __________ gingiva and is covered with _________________. | free gingiva |
Attached gingiva: | palatal mucosa. |
_________ Junction: division from attached gingiva and moveable alveolar mucosa. | Mucogingival Junction |
Mucogingival Junction Location: | Mandibular: facial and lingual gingiva |
Moveable tissue loosely attached to the underlying bone is called the _____ _______. | Alveolar Mucosa |
Alveolar Mucosa: | Smooth and shiny |
Is the alveolar mucosa keratinized or non-keratinized? | NON-KERATINIZED |
Alveolar Mucosa: | Underlying vessels. |
This gingiva that occupies the interproximal area between 2 adjacent teeth. | Interdental Gingiva (Papilla) |
An interproximal area is also called ________. | an embrasure |
Type 1 Embrasure: | the gingival tissue fills the area. |
Type 2 embrasure: | there is a slight to moderate recession of the interdental gingiva. |
Type 3 embrasure: | There is extensive recession or complete loss of the papilla. |
What type of embrasure is this? | Type 3 |
Interdental Gingiva shape: | spacing or overlapping. |
Interdental Gingiva shape: | pointed, pyramidal. |
Interdental Gingiva shape: | anterior papillae |
Interdental Gingiva: | Col |
The center of the col area is not usually _______ and thus is more susceptible to infection. | keratinized |
Most ________ infection begins in the col area. | periodontal |
Characteristics of clinically healthy gingiva: | |
Gingival tissue discription: Descriptive terminology: | |
Gingival Tissue Description: Changes in Disease: | |
An enlargement of the marginal gingiva with the formation of a lifesaver-like gingival prominence. | Festoon (McCall's festoon) |
Interdental Gingiva: Changes in disease: | "Stillman's cleft" |
2. _____ cleft: created by incorrect floss positioning. Appears as a vertical linear or V-shaped fissure in the marginal gingiva. | Floss cleft |
Interdental Papilla descriptions | |
Cleft descriptions | |
Probe Depth: Probe Design | Blunt, rod-shaped working end |
Probe depth functions: |