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Author of article?
Dr. Wim Laureys from Belgium
Type of study?
In-vivo study using 3 beagle dogs teeth
How many teeth?
15 teeth, single rooted, mature, incisors and first PM
extracted tooth, wire cutter apicoectomy (did not state how much of a resection) then reimplanted to original site, monitored for 90 days
How did they record the new diameter of apex?
Camera photography using a ruler, counted pixels within one mm and compared to pixels within the foramen
How did they rate the amount of tissue infiltration?
- 1. > 2/3 of the pulp chamber filled
- 2. 1/3-2/3
- 3. < 1/3
- 4. no ingrowth
Andreasen et al in 1990 monitored 370 autotransplanted teeth, found that those with a apex of less than 1mm had an 85% chance of losing vitality.
Also, a pilot study using catheter tubes ranging from .6-1.5mm were placed into the alveolus of extracted teeth and new tissue was found to be ingrowing into the catheter tubes.
40% were in category 1, another 40% found in category two
diameter apices .24-.53mm 5 teeth, category 1
Size of foramen may not affect successfule revascularization
Infraocclusion aids in pulp revascularization
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