Question 1

Most maxillary first premolars are considered bifurcated because they have a root that is divided into:

Accepted Answer

A) two roots, buccal and lingual. 
B) two roots, mesial and distal. 
C) three roots, two mesial and one distal. 
D) three roots, two buccal and one lingual. 
A) two roots, buccal and lingual. 
B) two roots, mesial and distal. 
C) three roots, two mesial and one distal. 
D) three roots, two buccal and one lingual.

Question 2

Which of the following is true of the mandibular canine tooth?

Accepted Answer

A) It is narrower labiolingually and mesiodistally than a maxillary canine. 
B) It has a larger and more developed cusp than the maxillary canine does. 
C) It has a sharper cusp tip than a maxillary canine does. 
D) It has a mesial cusp slope that is longer than the distal cusp slope when it first erupts, whereas the opposite is true for a maxillary canine tooth. 
A) It is narrower labiolingually and mesiodistally than a maxillary canine. 
B) It has a larger and more developed cusp than the maxillary canine does. 
C) It has a sharper cusp tip than a maxillary canine does. 
D) It has a mesial cusp slope that is longer than the distal cusp slope when it first erupts, whereas the opposite is true for a maxillary canine tooth.

Question 3

The first premolar is anterior to the _____,whereas the second premolar is anterior to the first _____.

Accepted Answer

A) lateral incisor; molar 
B) second premolar; premolar 
C) second premolar; molar 
D) canine; premolar 
A) lateral incisor; molar 
B) second premolar; premolar 
C) second premolar; molar 
D) canine; premolar

Question 4

The primary teeth are classified in the Universal/National Teeth-Numbering System using:

Accepted Answer

A) numbers 1 through 20. 
B) capital letters A through T. 
C) a number for each quadrant and a number for each tooth. 
D) numbers inside a bracket. 
A) numbers 1 through 20. 
B) capital letters A through T. 
C) a number for each quadrant and a number for each tooth. 
D) numbers inside a bracket.

Question 5

Which of the following is true regarding differences between the maxillary and mandibular central incisors?

Accepted Answer

A) Mandibular central incisors are larger than the maxillary central incisors in all dimensions. 
B) Labial surfaces of the maxillary central incisors are more rounded from the incisal aspect than those of the mandibular central incisors. 
C) The cingulum in less prominent on the maxillary central incisors than the cingulum on the mandibular central incisors. 
D) The marginal ridges are more prominent on mandibular incisors than they are on maxillary incisors. 
A) Mandibular central incisors are larger than the maxillary central incisors in all dimensions. 
B) Labial surfaces of the maxillary central incisors are more rounded from the incisal aspect than those of the mandibular central incisors. 
C) The cingulum in less prominent on the maxillary central incisors than the cingulum on the mandibular central incisors. 
D) The marginal ridges are more prominent on mandibular incisors than they are on maxillary incisors.

Exam 12: Tooth Morphology

Most maxillary first premolars are considered bifurcated because they have a root that is divided into:

Which of the following is true of the mandibular canine tooth?

The first premolar is anterior to the _____,whereas the second premolar is anterior to the first _____.

The primary teeth are classified in the Universal/National Teeth-Numbering System using:

Which of the following is true regarding differences between the maxillary and mandibular central incisors?

History of Dentistry

The Professional Dental Assistant

The Dental Healthcare Team

Dental Ethics

Dentistry and the Law

General Anatomy

General Physiology

Oral Embryology and Histology

Head and Neck Anatomy

Landmarks of the Face and Oral Cavity

Overview of the Dentitions

Dental Caries

Periodontal Disease

Preventive Dentistry

Nutrition

Oral Pathology

Microbiology

Disease Transmission and Infection Prevention

Principles and Techniques of Disinfection

Principles and Techniques of Instrument Processing and Sterilization

Regulatory and Advisory Agencies

Chemical and Waste Management

Dental Unit Waterlines

Ergonomics

The Patient Record

Vital Signs

Oral Diagnosis and Treatment Planning

The Special Needs and Medically Compromised Patient

Principles of Pharmacology

Assisting in a Medical Emergency

The Dental Office

Delivering Dental Care

Dental Hand Instruments

Dental Handpieces and Accessories

Moisture Control

Anesthesia and Pain Control

Foundations of Radiography, Radiographic Equipment, and Radiation Safety

Digital Imaging, Dental Film, and Processing Radiographs

Legal Issues, Quality Assurance, and Infection Prevention

Intraoral Imaging

Extraoral Imaging

Restorative and Esthetic Dental Materials

Dental Liners, Bases, and Bonding Systems

Dental Cements

Impression Materials

Laboratory Materials and Procedures

General Dentistry

Matrix Systems for Restorative Dentistry

Fixed Prosthodontics

Provisional Coverage

Removable Prosthodontics

Dental Implants

Endodontics

Periodontics

Oral and Maxillofacial Surgery

Pediatric Dentistry

Coronal Polishing

Dental Sealants

Orthodontics

Communication in the Dental Office

Business Operating Systems

Financial Management in the Dental Office

Marketing Your Skills

Filters

The first premolar is anterior to the _,whereas the second premolar is anterior to the first _.