Operative Dentistry Overview

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Which of the following best describes operative dentistry?

The art and science of dentistry dealing with diagnosis, treatment and prognosis of tooth defects, excluding those needing full coverage. (correct)
The prognosis of dental diseases, emphasizing surgical interventions only.
The treatment of defects requiring full coverage restorations.
The art and science of dentistry focused solely on diagnosis of tooth defects.

What is the primary cause of dental caries?

Erosion from chemical exposure.
Genetic predisposition to enamel defects.
Infectious microbiological action leading to dissolution and destruction of calcified tissues. (correct)
Mechanical wear of tooth surfaces.

Which one of G.V. Black's classifications involves the proximal surfaces of posterior teeth?

Class V
Class III
Class II (correct)
Class I

What is the term for mechanical wear of the incisal or occlusal surface due to functional or parafunctional movements?

Attrition (D) Signup and view all the answers

Which of the following produces cervical, wedge-shaped defects caused by eccentric occlusal forces?

Abfraction (C) Signup and view all the answers

What term describes an incomplete fracture of a tooth that does not directly involve the vital pulp?

Greenstick Fracture (C) Signup and view all the answers

What is a key step in restoring a fractured tooth, according to the text?

Roughening the surface by etching to aid in retention of the filling material (B) Signup and view all the answers

A patient presents with enamel that is defective in form or calcification due to heredity. What condition is most likely present?

Amelogenesis Imperfecta (C) Signup and view all the answers

What is the primary objective of replacing or repairing a restoration?

To restore proper tooth form, function, and esthetics (C) Signup and view all the answers

Which historical figure is credited with establishing the principles of cavity preparation and classification of caries?

Greene Vardiman Black (C) Signup and view all the answers

According to the classification of dental caries by location, what type occurs on the gingival third of buccal and lingual surfaces?

Smooth surface caries (B) Signup and view all the answers

What term is used to describe dental caries that occurs at the junction of a restoration and the tooth?

Secondary (Recurrent) Caries (A) Signup and view all the answers

In the context of caries activity, what characterizes an arrested carious lesion?

A lesion with a large open cavity that does not retain food and becomes self-cleansing (C) Signup and view all the answers

According to caries severity classification, what indicates an incipient caries lesion?

Presence of a white spot lesion (B) Signup and view all the answers

What is the term for caries involving only one tooth surface?

Simple Caries (C) Signup and view all the answers

In the ICDAS (International Caries Detection and Assessment System), what does a code of '0' indicate?

No evidence of caries (C) Signup and view all the answers

According to the Histologic Classification System, which number indicates that there's enamel demineralization limited to the outer 50% of the layer?

1 (C) Signup and view all the answers

What characterizes the translucent zone (Zone I) in incipient enamel caries?

Deepest portion of carious lesion with voids that reflect polarized light (C) Signup and view all the answers

Which zone of dentinal caries is characterized by intertubular dentin demineralization with no bacteria present?

Transparent dentin (C) Signup and view all the answers

What is the primary goal of 'Disease Control' in restorative dentistry?

To control active oral infection and manage risk factors for oral problems (B) Signup and view all the answers

What does the 'Definitive Treatment' phase primarily aim to accomplish?

To rehabilitate the patient's oral condition and improve appearance and function. (C) Signup and view all the answers

What is the objective of the 'Maintenance Therapy' phase in restorative dentistry?

To re-evaluate the patient to prevent relapse of dental diseases (A) Signup and view all the answers

A patient complains of bleeding gums during toothbrushing and has black discoloration on teeth 12 and 22, with deep pits and fissures in molars. What are the treatment for these symptoms?

Composite restorations, oral prophylaxis, and diet counseling (A) Signup and view all the answers

A patient presents with a fractured incisal edge on teeth 11 and 22, mild sensitivity, presence of calculus, and a badly carious tooth 36. What treatments can remedy her main ailments?

Composite restoration, scaling and polishing, extraction of the carious tooth (A) Signup and view all the answers

What is a key purpose of instrument sequencing in operative dentistry?

To allow for a more easy an organize way and to follow the proper treatment. (A) Signup and view all the answers

What is the process to perform for a scaling and polishing before doing restorative treatment procedures?

Prophylactic procedures (D) Signup and view all the answers

According to G.V. Black, what is the main use of numeric formulas?

To properly assign instruments. (D) Signup and view all the answers

What are W, A, and L in WALA?

Wall axis length angle (C) Signup and view all the answers

What is the main use of the Mouth Mirror?

Indirect vision, reflects with proper lighting and retracts soft tissues. (C) Signup and view all the answers

What is the use of an excavator?

Used to remove carious dentin (C) Signup and view all the answers

What best characterizes Universal Scalers?

They remove sub gingival calculus deposits in most teeth (B) Signup and view all the answers

What is the point of doing horizontal scaling of instruments?

To scrape gingival wall and margin and remove irregularities. (D) Signup and view all the answers

What is the instrument code for hatchets?

The blade and the cutting edge are on a plan with 1 to 2 angles (A) Signup and view all the answers

According to the reading what can cause caries?

Irreversible microbial infection due to demineralization (C) Signup and view all the answers

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Dental Caries

Microbiological disease causing localized dissolution and destruction of tooth's calcified tissue.

Attrition

Mechanical wear of incisal or occulsal surface due to functional or parafunctional movements.