Dr. Camp

Question 1

12 differences b/w primary and permanent teeth

Answer 1

For primary teeth:

1. small in all demensions
2. crowns are wider in the MD compared with crown length
3. narrower and longer roots
4. facial and lingual cervical 1/3 of the crowns of anterior teeth more prominent
5. more constricted at DEJ
6. occlusal surface is more narrow F-L than cervical width
7. molar roots longer and slender than permanent molars
8. molar roots flar out from the cervical area, and more at the apex
9. enamel is thinner (1mm) and more consistent depth
10. less thick dentin b/w pulp chamber and enamel
11. larger pulp chamber
12. pulp horns, especiall mesal horns are higher in molars than permanent molars

Question 2

List alternatives to a formocresol pulpotomy

Answer 2

• ferric sulfat pulpotomy
• mineral trioxide aggregate(MTA) pulpotomy
• Electrosurgical Pulpotomy
• Laser pulpotomy

Question 3

Signs of a failed formocresol pulpotomy

Answer 3

usually detected on radiographs:

• first sign: internal resorption of the root adjacent to the area
• followed by external resorption in furcation areas
• anterior teeth-radiolucent area may develop at the apices or lateral to roots
• More destruction-more mobile
• sinus tracts usually develop
• pain is rare
• cystic lesions in primary molars
  
  • most diagnosed as furcation cysts

Question 4

Contraindication of pulpotomy in a primary tooth