Oral Histology

Questions	Answer
Matrix formation in cementum is faster in	Cellular cementum, owing to presence of cementoblast and cementocytes
The cementocytic process interconnect with each other through	gap junctions
incremental lines of Salter are rich in	Osteopontin
The first formed cementum is	Acellular extrinsic fibre cementum
The type of cementum that has no role in attachment is	Intrinsic fibre cementum
What is cellular mixed stratified cementum	In the apical region and the furcations, acellular extrinsic and cellular intrinsic fibre type of cementum presents in alternating layers, which is called cellular mixed stratified cementum
The varied origin of mixed cementum can be best demonstrated by	Polarized light, that show the different orientation in different shades
The proteins absent in acellular extrinsic fibre cementum are	Dentin sialoprotein, fibronectin and tenascin. And deficient in lumican, versican, decorin, biglycan and fibromodulin
In the cervical region of tooth, loss of reduced enamel epithelium leads to	Formation of afibrillar cementum
The number of fibers in acellular extrinsic fibres is	30,000 per sq mm