الفهرس 
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Abstract
This study was conducted to evaluate and compare the
clinical and radiographic effects of Enamel matrix derivative
(EMD),Mineral trioxide aggregate (MTA) and Ferric sulphate as
pulpotomy agents in primary molars. The study comprised 64
primary lower first molars. Thirty-two children with an age range of
4- 7years, were divided into 2 groups:
A.16 patients were treated with Mineral trioxide aggregate on
one side; with ferric sulphate control on the contralateral side.
(MTA group)
B.16 patients were treated with Emdogain on one side; with
ferric sulphate control on the contralateral side.(EMD group)
The teeth were restored with IRM and stainless steel crowns.
They were clinically and radiographically assessed at 3 and 6
months intervals. Radiograhic assessment was done using Diogra
digital system.
Clinical follow-up of MTA-treated teeth revealed a 100%
success rate. FS-treated teeth showed 87.5% success rate at 6
months interval. EMD-treated teeth showed 87.5% success rate at
6 months.
Radiographically, MTA-treated teeth showed 50% success
rate at 6 months. The most common radiographic failure was nonperforating
internal root resorption which was not recognized by
many others as a failure.`
FS-treated teeth (control group) also showed 50% success
rate at 6 months intervals. The failure was represented in the form
of internal and external root resorption. Thus the difference
between MTA and FS was statistically insignificant.
EMD-treated teeth showed 25% success rate at 6 months
interval. The most common finding was non-perforating internal
root resorption. This high failure rate was probably related to the
direct contact of the pulp stumps with IRM causing persistent
inflammation. FS-treated teeth (control) showed 50 % success rate
with statistically significant difference from EMD.
The high radiographic failure rate in comparison with the
clinical findings may be attributed to the use of a strictly
standardized radiographic technique using paralleling technique
and Digora digital system. Thus, detecting the slightest changes in
the radiographs.
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