Sample Exam Question
1. Mention four from the Factors that should be considered when SM is needed.
a. Time elapsed since loss.
b. Dental age of the patient.
c. Amount of bone covering the un-erupted tooth.
d. Sequence of the eruption of teeth.
e. Delayed eruption of the permanent tooth.
f. Congenital absence of the permanent tooth.
g. Degree of co-operation.
h. Oral hygiene.
i. Wishes of the child & parents.
2. What are the requirements of an ideal loop.
a. Touch the mesial tooth below the contact point.
b. Wide to allow permanent tooth eruption (approximately 8mm).
c. Parallel to the edentulous ridge.
d. 1mm off the gingival tissue.
3. True or False.
a. Lower lingual arch does not require eruption of the lower incisors (False).
b. If the child has already acquired speech skills, the loss of an incisor is not particularly important (True).
c. In the distal shoe space maintainer the stainless steel extension should extend 2mm below the mesial marginal ridge of the un-erupted molar (False).
4. MCQs.
a. The most valid reason for replacing missing maxillary incisors is
1. Function.
2. Aesthetic.
3. Speech.
4. All of the above.
b. Requirements of a good band include all the following except.
1. Dose not interfere with occlusion.
2. Dose not impinge on the gingiva (at or 0.5 – 1 mm below gingival margin).
3. Cover the tooth completely.
4. At least 1mm above the mesial & distal marginal ridge.
c. Disadvantages of the removable partial denture include all the following except.
1. Retention is a problem.
2. Cannot be used in medically compromised patient.
3. Compliance & co-operation of the patient.
4. Require clasp adjustment & acrylic modification to allow eruption of the underlying or adjacent teeth.
