and Detailed Answers | Get it 100%
Correct Answers
In the federation dentaire international system for numbering, a permanent
maxillary right first molar is: - 🧠 ANSWER ✔✔16
Which tooth numbering system does not use letters when describing primary
dentition? - 🧠 ANSWER ✔✔FDI Numbering System
On a tooth with extensive gingival recession below the Cementoenamel junction,
what would be visible? - 🧠 ANSWER ✔✔anatomical and clinical crown
What is the periodontium? - 🧠 ANSWER ✔✔The oral hard and soft tissue that
supports the teeth
When looking into a healthy oral cavity when will most likely see - 🧠 ANSWER
✔✔The clinical crown
,The term that describes a space continuous with an inter-proximal space, produced
curvature's of teeth in contact in the same arch, that provides a channel or a
passage through which food escapes from the occlusal surfaces of the teeth during
mastication - 🧠 ANSWER ✔✔Embrasures
Which embrasure is located below the contact area - 🧠 ANSWER ✔✔Gingival
When posterior teeth are viewed from the occlusal, The proximal contacts are
usually located - 🧠 ANSWER ✔✔more buccal in a buccal to lingual direction
When anterior teeth are viewed from the incisal , the contact area is located - 🧠
ANSWER ✔✔more center in a buccal to lingual direction
Where is enamel the thickest? - 🧠 ANSWER ✔✔incisal/occlusal surface
True or false: pulp increases in size with age - 🧠 ANSWER ✔✔False
What dental tissue is comprised of tubules that contain protoplasmic extensions of
the cells that line the pulp chamber - 🧠 ANSWER ✔✔dentin
Enamel covers the anatomical crown of the tooth. The composition of an enamel is
approximately - 🧠 ANSWER ✔✔95.5% inorganic, 0.5% organic, 4% water
Dentin is normally yellowish white and darker than an enamel. The composition of
dentin is approximately - 🧠 ANSWER ✔✔70% inorganic, 20% organic, 10% water
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
2
STATEMENT. ALL RIGHTS RESERVED
, What tooth tissue most resembles bone - 🧠 ANSWER ✔✔cementum
Pulp can be harmed by the Carie's process and by - 🧠 ANSWER ✔✔Sterilizing,
cleaning, drying, desensitizing agent
Where is the oblique ridge located on a maxillary molar? - 🧠 ANSWER ✔✔DB
and ML cusps
Which incisor has the most acute mesioincisal angle (sharp) - 🧠 ANSWER
✔✔Maxillary central
A basic difference between canines and incisors is the ________ that is unique to
canines - 🧠 ANSWER ✔✔Cusp tip
What term is used to describe any linear elevation of the surface of a tooth - 🧠
ANSWER ✔✔Ridge
A union of two triangular ridges produces a single ridge which is called - 🧠
ANSWER ✔✔transverse ridge
What is a marginal ridge - 🧠 ANSWER ✔✔Rounded border of enamel which
forms the mesial and distal margins of anterior and posterior teeth
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
3
STATEMENT. ALL RIGHTS RESERVED