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Flashcards in Outcome Measures Deck (95)
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1

Who said: 89% of periapical lesions show some signs of healing within one yearafter NSRCT therapy, although it can take up to four years for the lesions to completely resolve?

Orstavik 1996

2

Orstavik 1996

periapical lesions

89% of periapical lesions show some signs of healing within one yearafter NSRCT therapy, although it can take up to four years for the lesions to completely resolve

3

Who found that the Peak incidence of healing or emerging apical periodontitis was at 1 year in both instances?

Orstavik 1996

4

who studied 89 PARL after NSRCT and found that 18% demonstrated complete healing after 6 mos, and 71% showed complete healing at one year or longer?

Murphy 1991 (at vcu!)

5

Murphy VCU

periapical lesions

studied 89 PARL after NSRCT and found that 18% demonstrated complete healing after 6 mos, and 71% showed complete healing at one year or longer?

6

Who used Delta Dental records and showed that of 1.4 million initial NSRCT, 97% were retained after 8 years

Salehrabi and Rotstein (2004)

7

Salehrabi and Rotstein 2004

prognosis

used Delta Dental records and showed that of 1.4 million initial NSRCT, 97% were retained after 8 years

8

Who said in a systematic review that no difference in the survival rates of implants versus NSRCT (both 94%)

Iqbal and Kim 2007

9

Iqbal and Kim 2007

prognosis

systematic review of 55 implant studies and 13 NSRCT studies. no difference in the survival rates of implants versus NSRCT (both 94%)

10

Who said: technical quality of coronal restoration was significantly more important than the technical quality of the endodontic treatment for apical periodontal health (presence of periradicular inflammation)

Ray and Trope 1995

11

What did Ray and Trope 1995 say was most important in whether an endodontically treated tooth ended up with periradicular inflammation?

technical quality of coronal restoration

12

Who said teeth that were not restored with a coronal restoration were 4x more likely to undergo extraction (used insurance databases)

Lazarski 2001

13

What did Lazarski 2001 say about the importance of a coronal restoration?

teeth that were not restored with a coronal restoration were 4x more likely to undergo extraction (used insurance databases)

14

Who said the best indicator of post-op pain is pre-op pain?

Walton and Foaud 1992

15

Walton and Foaud 1992

post-op pain

best indicator of post-op pain is pre-op pain

16

Who showed no correlation between post-op pain and patient demographics or systemic conditions, number of appointments, treatment procedures, or taking antibiotics

Walton and Foaud 1992

17

Hasselgren 1988

obliterated root canals

Teeth with obliterated root canals (couldn't be obturated at least a third of the tooth, and couldn't be seen on radiograph) had an 89% 2-12 year success rate. No PARL: 98%. PARL: 63%

18

Who said: Teeth with obliterated root canals (couldn't be obturated at least a third of the tooth, and couldn't be seen on radiograph) had an 89% 2-12 year success rate. No PARL: 98%. PARL: 63%

Hasselgren 1988

19

Cheung 2005

likelihood of a crowned tooth needing a root canal?

The survival rates for pulp vitality were 84% (single unit) and 71% (bridge) after 10 years, and 81% (single unit) and 66% (bridge) after 15 years.

20

Who said: The survival rates for pulp vitality were 84.4% (single unit) and 70.8% (bridge) after 10 years, and 81.2% (single unit) and 66.2% (bridge) after 15 years.

Cheung 2005

21

Who said: Maxillary anterior teeth used as bridge abutments had a higher rate of pulpal necrosis than any other tooth types

Cheung 2005

22

Cheung 2005-which teeth are most likely to need root canals when used as bridge abutments?

Maxillary anterior teeth

23

Who said that neither dehydration nor endodontic tx caused degradation of the physical or mechanical properties of dentin?

Huang 1991

24

Huang 1991
are endo teeth more brittle?

neither dehydration nor endodontic tx caused degradation of the physical or mechanical properties of dentin?

25

Two studies that support that endodontically treated teeth are not more brittle?

Huang 1991
Sedgley and Messer 1992

26

Sedgley and Messer 1992
are endo tx'd teeth more brittle?

Tested the biomechanical properties of dentin from 23 endo tx'd teeth (avg. 10 year post-tx). Compared to contralateral vital teeth. Aside from a slight difference in hardness, the properties were compatible. IE Endo tx'd teeth are not more brittle!

27

Why do endo tx'd teeth seem more brittle?
(Reeh 1989)

It is the loss of structural integrity associated with the access preparation, rather than changes in the dentin, that lead to a higher occurrence of fractures in endodontically treated teeth compared with vital teeth.

28

Who says that it is the loss of structural integrity associated with the access preparation, rather than changes in the dentin, that lead to a higher occurrence of fractures in endodontically treated teeth compared with vital teeth.

Reeh 1989

29

Who showed that access preparations result in greater cuspal flexure, increasing the probability of cuspal fracture?

Panitvisai and Messer 1995

30

Panitvisai and Messer 1995

showed that access preparations result in greater cuspal flexure, increasing the probability of cuspal fracture