WorksheetsBiology of tooth movement
Total questions: 10
Worksheet time: 5mins
Which of the following is NOT a type of tooth movement?
(a) Translation
(b) Rotation
(c) Hyalinization
(d) Tilting
Which of the following structures is primarily responsible for bone resorption during tooth movement?
(a) Osteoblasts
(b) Osteocytes
(c) Osteoclasts
(d) Cementoblasts
What is the term for the initial phase of tooth movement where the tooth rapidly moves a short distance before the movement slows down?
(a) Initial phase
(b) Resorption phase
(c) Apposition phase
(d) Rapid movement phase
What is the name of the theory that suggests tooth movement occurs due to pressure and tension in the periodontal ligament?
(a) Piezoelectric theory
(b) Blood flow theory
(c) Pressure-tension theory
(d) Bone bending theory
Which type of force is generally preferred for orthodontic tooth movement to minimize tissue damage and patient discomfort?
(a) Heavy force
(b) Continuous force
(c) Intermittent force
(d) Light force
OSTEOBLAST ARE FOUND MORE IN
TENSION SIDE
COMPRESSION SIDE
BOTH SIDES EQUALLY
NOT FOUND
OPTIMUM ORTHODONTIC FORCE IS
20-26 g/cm2
40-50 g/cm2
8-10 g/cm2
60-70 g/cm2
WHEN A FORCE IS APPLIED TO A TOOTH
AREA OF PRESSURE ARE CREATED
AREA OF TENSION ARE CREATED
BONE RESORTION AND DEPOSITION OCCURS
ALL OF THE ABOVE
UNDERMINING OR REARWARD RESORPTION OCCURS AS A RESULT OF
CHANGES FOLLOWING MILD FORCES
CHANGES FOLLOWING MODERATE FORCES
CHANGES FOLLOWING EXTREME FORCES
NONE OF THE ABOVE
OSTEOBLAST ARE FOUND MORE IN
TENSION SIDE
COMPRESSION SIDE
BOTH SIDES EQUALLY
NOT FOUND
