A. Defects in cementogenesis
B. Dividing epithelial bridges
C. Break in Hertwig’s root sheath
D. Adherent epithelial rests
Related Mcqs:
- Accessory meningeal artery enters cranial cavity through______________?
A. Foramen lacerum
B. Foramen rotundum
C. Foramen spinosum
D. Foramen ovale - All of the following muscles are supplied by accessory nerve except__________________?
A. Palatopharyngeus
B. Stylopharyngeus
C. Palatoglossus
D. Mucsculus uvulae - Which of the following accessory ligaments of the TMJ is likely to have significance upon mandibular movements ?
A. Sphenomandibular
B. Stylomandibular
C. Pterygomandibular
D. All of the above - Muscles spared by complete transaction of cranial part of accessory nerve_______________?
A. Cricopharyngeus
B. Palatopharyngeus
C. Stylopharyngeus
D. Salpingopharyngeus - Cranial accessory nerve supplies_____________?
A. Sternomastoid
B. Trapezius
C. Splenius capitis
D. Soft palate - Epithelial attachment is derived from____________?
A. Reduced enamel epithelium
B. Dental papilla
C. Inner enamel epithelium
D. Dental sac - Anterior 2/3rd of tongue arises from____________?
A. Hypobranchial eminence
B. Two lingual swellings
C. Tuberculum impar
D. B & C - The tongue is formed from____________?
A. 1st,2nd ,3rd bronchial arches
B. 1st ,3rd, 5th bronchial arches
C. 1st ,3rd, 4th bronchial arches
D. 1st, 4th, 5th bronchial arches - Mercury intoxication in dental office mainly results from____________?
A. Direct contact with the mercury
B. Inhalation of mercury vapours
C. Ingestion of mercury
D. None of the above - The Knoop Hardness Number of Microfilled composite Restorative material ranges from____________?
A. 50 – 60 KHN
B. 25 – 35 KHN
C. 15 – 20 KHN
D. 40 – 48 KHN