Dental Anatomy: Quiz 2: Unit 2: Review
Questions 2025/2026 Exam All Answers
and Illustrations Given
*When viewing the teeth of either side of the mouth from the facial aspect,
the upward curve of the cusp tips from canine to third molar is called the: -
🧠 ANSWER ✔✔Curve of Spee
The gingival line of a tooth:
1. is the same thing as the epithelial attachment
2. always separates the anatomical crown and root
3. Is always located at the same level as the CEJ
4. Is always found at the same level throughout life
5. Always separates the clinical crown and root - 🧠 ANSWER ✔✔5. Always
separates the clinical crown and root
The term "periodontium" refers to:
1. the alveolus of a tooth
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,2. the gingiva surrounding a tooth
3. the periodontal membrane of a tooth
4. All of the above
5. None of the above - 🧠 ANSWER ✔✔4. All of the above
*The tooth type, whose length has been greatly reduced in man's
dentitions, when compared to that of many other animals, is the: - 🧠
ANSWER ✔✔Canine
The incisal edges of anterior teeth are most directly related to the major
function of the human dentition which is known as: - 🧠 ANSWER
✔✔Mastication
Of the following choices, the crown surfaces of permanent teeth which
exhibit a general shape that is trapezoidal, with the longer parallel side of
the trapezoid (base) toward the incisal or occlusal, include:
1. proximal surfaces of anterior teeth
2. facial surfaces of anterior teeth
3. proximal surfaces of maxillary posterior teeth
4. proximal surfaces of mandibular posterior teeth
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,5. none of the above surfaces - 🧠 ANSWER ✔✔2. facial surfaces of anterior
teeth
A permanent tooth which has a crown that exhibits proximal surfaces with a
generally rhomboidal shape:
1. is found in the maxillary arch
2. could be either an anterior or posterior tooth
3. also has a facial surface which exhibits a rhomboidal shape
4. also has a lingual surface which exhibits a triangular shape
5. has a masticatory function of grinding - 🧠 ANSWER ✔✔5. has a
masticatory function of grinding
*When compared to the contact areas on tooth #24, those of tooth #29:
1. are generally smaller in size
2. are more incisally (occlusally) located
3. are more facially located
4. exhibit all of the above features
5. exhibit none of the above features - 🧠 ANSWER ✔✔3. are more facially
located
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, As viewed from the facial aspect, the triangular space which is bounded by
two adjacent teeth and the alveolar bone, and is filled primarily with gingival
tissue, is:
1. found only in the posterior teeth
2. correctly termed the interproximal space
3. located occlusal to the contact area
4. sometimes called the occlusal embrasure
5. of no consequence to the health of the periodontium - 🧠 ANSWER ✔✔2.
correctly termed the interproximal space
If the incisor area of the mandibular arch is viewed from the incisal aspect,
the embrasures between any pair of adjacent teeth which are clearly
outlined, are the ____________ and ____________ embrasures. - 🧠
ANSWER ✔✔Labial and lingual embrasures
The permanent maxillary first molar crown is normally composed of how
many lobes? - 🧠 ANSWER ✔✔4 lobes
*The cingulum of anterior teeth represents the: (which lobe?) - 🧠 ANSWER
✔✔lingual lobe
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STATEMENT. ALL RIGHTS RESERVED
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Questions 2025/2026 Exam All Answers
and Illustrations Given
*When viewing the teeth of either side of the mouth from the facial aspect,
the upward curve of the cusp tips from canine to third molar is called the: -
🧠 ANSWER ✔✔Curve of Spee
The gingival line of a tooth:
1. is the same thing as the epithelial attachment
2. always separates the anatomical crown and root
3. Is always located at the same level as the CEJ
4. Is always found at the same level throughout life
5. Always separates the clinical crown and root - 🧠 ANSWER ✔✔5. Always
separates the clinical crown and root
The term "periodontium" refers to:
1. the alveolus of a tooth
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
1
,2. the gingiva surrounding a tooth
3. the periodontal membrane of a tooth
4. All of the above
5. None of the above - 🧠 ANSWER ✔✔4. All of the above
*The tooth type, whose length has been greatly reduced in man's
dentitions, when compared to that of many other animals, is the: - 🧠
ANSWER ✔✔Canine
The incisal edges of anterior teeth are most directly related to the major
function of the human dentition which is known as: - 🧠 ANSWER
✔✔Mastication
Of the following choices, the crown surfaces of permanent teeth which
exhibit a general shape that is trapezoidal, with the longer parallel side of
the trapezoid (base) toward the incisal or occlusal, include:
1. proximal surfaces of anterior teeth
2. facial surfaces of anterior teeth
3. proximal surfaces of maxillary posterior teeth
4. proximal surfaces of mandibular posterior teeth
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STATEMENT. ALL RIGHTS RESERVED
2
,5. none of the above surfaces - 🧠 ANSWER ✔✔2. facial surfaces of anterior
teeth
A permanent tooth which has a crown that exhibits proximal surfaces with a
generally rhomboidal shape:
1. is found in the maxillary arch
2. could be either an anterior or posterior tooth
3. also has a facial surface which exhibits a rhomboidal shape
4. also has a lingual surface which exhibits a triangular shape
5. has a masticatory function of grinding - 🧠 ANSWER ✔✔5. has a
masticatory function of grinding
*When compared to the contact areas on tooth #24, those of tooth #29:
1. are generally smaller in size
2. are more incisally (occlusally) located
3. are more facially located
4. exhibit all of the above features
5. exhibit none of the above features - 🧠 ANSWER ✔✔3. are more facially
located
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STATEMENT. ALL RIGHTS RESERVED
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, As viewed from the facial aspect, the triangular space which is bounded by
two adjacent teeth and the alveolar bone, and is filled primarily with gingival
tissue, is:
1. found only in the posterior teeth
2. correctly termed the interproximal space
3. located occlusal to the contact area
4. sometimes called the occlusal embrasure
5. of no consequence to the health of the periodontium - 🧠 ANSWER ✔✔2.
correctly termed the interproximal space
If the incisor area of the mandibular arch is viewed from the incisal aspect,
the embrasures between any pair of adjacent teeth which are clearly
outlined, are the ____________ and ____________ embrasures. - 🧠
ANSWER ✔✔Labial and lingual embrasures
The permanent maxillary first molar crown is normally composed of how
many lobes? - 🧠 ANSWER ✔✔4 lobes
*The cingulum of anterior teeth represents the: (which lobe?) - 🧠 ANSWER
✔✔lingual lobe
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
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