STUDENTS SUCCESS
Revision Examination Tests
“Come all for this greatness”
...100% Correct Ans...
Periodontology 4DD SEM1 - MCQs All (100% correct
answers) 2024-2025
1. Which of the following structures is NOT part of the enamel organ?
- Stellate reticulum
- Stratum intermedium
- Odontoblast layer
- Stellate reticulum Odontoblast layer
ans:>✓ Odontoblast layer
2. Which portion of the tooth germ is the primary source of the
periodontal ligament?
- Dental follicle
- Hertwig's epithelial root sheath
- Stratum intermedium
- Dental follicl Stratum intermedium
ans:>✓ Dental follicle
3. Which portion of the tooth germ is the primary source of the junctional
epithelium?
- Outer enamel epithelium
- Stellate reticulum
- Stratum intermedium
- Stellate reticulum, Stratum intermedium
ans:>✓ Stratum intermedium
4. Which of the following structures does not belong to the periodontal
tissues?
- Alveolar bone
- Basal bone
,- Cementum
- Alveolar bone Cementum
ans:>✓ Basal bone
5. Basal bone is not part of the periodontium, as it is located under the
alveolar process that houses the dentition. Following completion of
amelogenesis in humans, the anatomic crown is lined with a layer of
reduced enamel epithelium. This layer is derived primarily from which of
the following?
- Outer enamel epithelium and stellate reticulum
- Stellate reticulum and stratum intermedium
- Stratum intermedium and ameloblast layer
- Stellate reticulum and stratum intermedium&Stratum intermedium and
ameloblast layer
ans:>✓ Stratum intermedium and ameloblast layer
6. In the presence of HEAVY function the periodontal ligament
undergoes certain changes as compared to a ligament in light function.
Which of the following statements best describes these changes?
- Increased width and increased cellularity
- Decreased width and increased cellularity
- Increased width and decreased cellularity
- Decreased width and increased cellularity Increased width and
decreased cellularity
ans:>✓ Increased width and increased cellularity
7. Which of the following tissues is the MOST likely source of
cementogenic cells in adults who have undergone root planing?
- Bone marrow
- Periodontal ligament
- Residual cementum patches
- Bone marrow Periodontal ligament
ans:>✓ Periodontal ligament
8. Which of the following fiber groups DO NOT contribute to tooth
anchorage?
- Periapical fiber group
- Horizontal fiber group
- Intergingival fiber group
,- Periapical fiber group, Horizontal fiber group
ans:>✓ Intergingival fiber group
9. Which of the following statements about periodontal probing is MOST
accurate?
- Generally underestimates anatomic sulcus or pocket depth
- Generally overestimates anatomic sulcus or pocket depth
- Generally accurately measures anatomic sulcus or pocket depth
- Generally underestimates anatomic sulcus or pocket depth,Generally
overestimates anatomic sulcus or pocket depth
ans:>✓ Generally overestimates anatomic sulcus or pocket depth
10. Which of these collagen types are NOT found in the periodontal
ligament?
- Type I
- Type II
- Type IV
- Type I Type II
ans:>✓ Type II
11. Which of these cell combinations are responsible for the production
of acellular extrinsic fiber cementum?
- Cementoblasts and cell rests of Malassez
- Cementoblasts and osteoblasts
- Cementoblasts and periodontal ligament fibroblasts
- Cementoblasts and cell rests of Malassez Cementoblasts and
osteoblasts
ans:>✓ Cementoblasts and periodontal ligament fibroblasts
12. The narrowest zone of gingiva is found in the region of?
- The buccal surface of the maxillary first molar
- The lingual surface of the mandibular first molar
- The buccal surface of the mandibular canine and first premolar
- The buccal surface of the maxillary first molar The lingual surface of the
mandibular first molar
ans:>✓ The buccal surface of the mandibular canine and first premolar
13. The gingival groove, when present, is a good indicator of ?
, - Gingival health
- Location of the gingival sulcus bottom
- Neither of the above
- Gingival healthLocation of the gingival sulcus bottom
ans:>✓ Neither of the above
14. The retrocuspid papilla is ?
- A mucosal projection located lingual to the mandibular canines
- A pathologic alteration of the interdental gingiva between the
mandibular canines and first premolar
- A gingival anomaly associated with periodontal pockets
- A mucosal projection located lingual to the mandibular canines
- A pathologic alteration of the interdental gingiva between the
mandibular canines and first premolar
ans:>✓ A mucosal projection located lingual to the mandibular canines
15. Which of the following is the most permeable portion of the gingival
epithelium?
- The junctional epithelium
- The sulcular epithelium
- The oral epithelium
- The sulcular epithelium The oral epithelium
ans:>✓ The junctional epithelium
16. Which of the following is not a gingival fiber group?
- Semicircular
- Alveolar crest
- Transsepta
- Semicircular, Alveolar crest Transsepta
ans:>✓ Alveolar crest
17. Anchoring fibrils are found?
- Between the lamina densa and the lamina lucida
- Between the epithelial cell surface and the lamina lucida
- In the connective tissue adjacent to the lamina densa
- Between the lamina densa and the lamina lucida Between the epithelial
cell surface and the lamina lucida
ans:>✓ In the connective tissue adjacent to the lamina densa
Revision Examination Tests
“Come all for this greatness”
...100% Correct Ans...
Periodontology 4DD SEM1 - MCQs All (100% correct
answers) 2024-2025
1. Which of the following structures is NOT part of the enamel organ?
- Stellate reticulum
- Stratum intermedium
- Odontoblast layer
- Stellate reticulum Odontoblast layer
ans:>✓ Odontoblast layer
2. Which portion of the tooth germ is the primary source of the
periodontal ligament?
- Dental follicle
- Hertwig's epithelial root sheath
- Stratum intermedium
- Dental follicl Stratum intermedium
ans:>✓ Dental follicle
3. Which portion of the tooth germ is the primary source of the junctional
epithelium?
- Outer enamel epithelium
- Stellate reticulum
- Stratum intermedium
- Stellate reticulum, Stratum intermedium
ans:>✓ Stratum intermedium
4. Which of the following structures does not belong to the periodontal
tissues?
- Alveolar bone
- Basal bone
,- Cementum
- Alveolar bone Cementum
ans:>✓ Basal bone
5. Basal bone is not part of the periodontium, as it is located under the
alveolar process that houses the dentition. Following completion of
amelogenesis in humans, the anatomic crown is lined with a layer of
reduced enamel epithelium. This layer is derived primarily from which of
the following?
- Outer enamel epithelium and stellate reticulum
- Stellate reticulum and stratum intermedium
- Stratum intermedium and ameloblast layer
- Stellate reticulum and stratum intermedium&Stratum intermedium and
ameloblast layer
ans:>✓ Stratum intermedium and ameloblast layer
6. In the presence of HEAVY function the periodontal ligament
undergoes certain changes as compared to a ligament in light function.
Which of the following statements best describes these changes?
- Increased width and increased cellularity
- Decreased width and increased cellularity
- Increased width and decreased cellularity
- Decreased width and increased cellularity Increased width and
decreased cellularity
ans:>✓ Increased width and increased cellularity
7. Which of the following tissues is the MOST likely source of
cementogenic cells in adults who have undergone root planing?
- Bone marrow
- Periodontal ligament
- Residual cementum patches
- Bone marrow Periodontal ligament
ans:>✓ Periodontal ligament
8. Which of the following fiber groups DO NOT contribute to tooth
anchorage?
- Periapical fiber group
- Horizontal fiber group
- Intergingival fiber group
,- Periapical fiber group, Horizontal fiber group
ans:>✓ Intergingival fiber group
9. Which of the following statements about periodontal probing is MOST
accurate?
- Generally underestimates anatomic sulcus or pocket depth
- Generally overestimates anatomic sulcus or pocket depth
- Generally accurately measures anatomic sulcus or pocket depth
- Generally underestimates anatomic sulcus or pocket depth,Generally
overestimates anatomic sulcus or pocket depth
ans:>✓ Generally overestimates anatomic sulcus or pocket depth
10. Which of these collagen types are NOT found in the periodontal
ligament?
- Type I
- Type II
- Type IV
- Type I Type II
ans:>✓ Type II
11. Which of these cell combinations are responsible for the production
of acellular extrinsic fiber cementum?
- Cementoblasts and cell rests of Malassez
- Cementoblasts and osteoblasts
- Cementoblasts and periodontal ligament fibroblasts
- Cementoblasts and cell rests of Malassez Cementoblasts and
osteoblasts
ans:>✓ Cementoblasts and periodontal ligament fibroblasts
12. The narrowest zone of gingiva is found in the region of?
- The buccal surface of the maxillary first molar
- The lingual surface of the mandibular first molar
- The buccal surface of the mandibular canine and first premolar
- The buccal surface of the maxillary first molar The lingual surface of the
mandibular first molar
ans:>✓ The buccal surface of the mandibular canine and first premolar
13. The gingival groove, when present, is a good indicator of ?
, - Gingival health
- Location of the gingival sulcus bottom
- Neither of the above
- Gingival healthLocation of the gingival sulcus bottom
ans:>✓ Neither of the above
14. The retrocuspid papilla is ?
- A mucosal projection located lingual to the mandibular canines
- A pathologic alteration of the interdental gingiva between the
mandibular canines and first premolar
- A gingival anomaly associated with periodontal pockets
- A mucosal projection located lingual to the mandibular canines
- A pathologic alteration of the interdental gingiva between the
mandibular canines and first premolar
ans:>✓ A mucosal projection located lingual to the mandibular canines
15. Which of the following is the most permeable portion of the gingival
epithelium?
- The junctional epithelium
- The sulcular epithelium
- The oral epithelium
- The sulcular epithelium The oral epithelium
ans:>✓ The junctional epithelium
16. Which of the following is not a gingival fiber group?
- Semicircular
- Alveolar crest
- Transsepta
- Semicircular, Alveolar crest Transsepta
ans:>✓ Alveolar crest
17. Anchoring fibrils are found?
- Between the lamina densa and the lamina lucida
- Between the epithelial cell surface and the lamina lucida
- In the connective tissue adjacent to the lamina densa
- Between the lamina densa and the lamina lucida Between the epithelial
cell surface and the lamina lucida
ans:>✓ In the connective tissue adjacent to the lamina densa
