Newly erupted teeth is covered by:
Correct Answer: Nasmyth’s membrane
Description: Ref. Gray’s anatomy. 41st edition. Page. 520
NASMYTH’S MEMBRANE
Covers newly erupted tooth.
Membrane replaced by pellicle.
Microbes invade pellicle to form plaque.
ENAMEL PEARLS
Occasionally found on root surface towards cervical margin.
Importance: Predisposed to plaque accumulation following gingival recession.
Perikymata
Transverse wave like grooves appear to be the external manifestations of external manifestations of striae of retziusstriae of retzius.
Seen in freshly erupted teeth or in tooth which is not subjected to abrasive forces.not subjected to abrasive force
Average of 30 perikymata/mm in cervical regionin cervical region and 10/mm in occlusal region
These may contribute to adherance of plaque material which results in caries.
Category:
Unknown
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now