MDS PREP
The most constant and valuable trait to differentiate among maxillary first second and third molars is the
1. comparative size of the cusp of Carabelli
2. height of cusps
3. depth of central fossae
4. relative position of the distolingual groove
Dental Anatomy
Answer: 3
The most constant and valuable trait to differentiate among maxillary first second and third molars is the depth of central fossae
STERNOCLEIDOMASTOID IS NOT SUPPLIED BY?
1. SUPERIOR THYROID A.
2.THYROCERVICAL TRUNK
3. OCCIPITAL A
4. POST AURICULAR A
Anatomy
Answer: 2
The occipital artery does not supply the lower third of the sternocleidomastoid (SCM) muscle:<br> Upper third: Supplied by the occipital artery <br>Middle third: Supplied by the superior thyroid artery and the external carotid artery <br>Lower third: Supplied by the suprascapular artery, the transverse cervical artery, the thyrocervical trunk, and the superficial cervical artery<br>
How many root canals does a madibular first molar normally have
1. 2
2. 3
3. 4
4. 5
Dental Anatomy
Answer: 2
madibular first molar normally have 3 root canals
A permanent tooth erupting in the mouth of an 11 years old child is most likely
1. maxillary lateral incisor
2. mandibular second bicuspid
3. maxillary third molar
4. rnandibular central incisor
Dental Anatomy
Answer: 2
A permanent tooth erupting in the mouth of an 11 years old child is most likely mandibular second bicuspid
The beginning of active eruption of a human tooth occurs
1. before the root has begun to develop
2. coincidental with the beginning of root formation
3. before the root has begun to develop
4. after one half of the root is formed
Dental Anatomy
Answer: 4
The beginning of active eruption of a human tooth occurs after one half of the root is formed
The first teeth to erupt in the dental arches of the human being are the, primary
1. mandibular cuspids
2. maxillary central incisors.
3. mandibular central incisors
4. maxillary first molars
Dental Anatomy
Answer: 3
The first teeth to erupt in the dental arches of the human being are the, primary mandibular central incisors
The artery chiefly responsible for blood supply to the mandible is 1. inferior alveolar artery 2.sphenomandibular artery 3. mylohyoid artery 4.stylomandibular artery
Anatomy Answer: 1The artery chiefly responsible for blood supply to the mandible is inferior alveolar artery
The medial pterygoid muscle is attached to the
1. lateral surface of lateral pterygoid plate
2. lateral surface of greater wing of sphenoid
3. medial surface of lateral pterygoid plate
4. medial surface of medial pterygoid plate
Anatomy
Answer: 3
The medial pterygoid muscle is attached to the medial surface of lateral pterygoid plate