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Forty straight canals of maxillary canines and 40 curved canals in 20 mesial roots of mandibular molars were instrumented and randomly assigned to two groups of 40 canals each. For the experimental group, the canals were obturated using the Thermafil obturation technique. Lateral condensation was used for the obturation of the control group. Kerr pulp canal(More)
Twenty-six patients with cleft lip and palate (18 with unilateral and eight with bilateral clefts) with 34 canines that had erupted through grafted alveolar cleft defects were studied to evaluate their periodontal status. The results were compared with 58 canines erupted through a normal alveolus in 29 noncleft control patients. The overall periodontal(More)
A brief review of the literature concerning chondromyxoid fibroma is presented. 7 previous cases and the present case of the tumor in the jaws are described. Parallels to the extra oral lesions are drawn and in the light of previously published data, distinctive diagnostic features are discussed. The importance of close cooperation between the surgeon, the(More)
The influence of a smear layer on the adhesion of sealer cements to dentin was assessed in recently extracted human anterior teeth. A total of 120 samples was tested, 40 per sealer; 20 each with and without the smear layer. The teeth were split longitudinally, and the internal surfaces were ground flat. One-half of each tooth was left with the smear layer(More)
The purpose of this study was to compare the clinical, radiographic, and histo[ogic changes that occur in response to three of the most commonly used materials to repair furcation perforations. The results of the experiment showed that amalgam was superior to Cavit and calcium hydroxide as a sealing material of furcation perforations. The most severe(More)
Sixty straight maxillary canines, 40 straight mandibular incisors, and 40 curved mesial canals of 27 mandibular molars were instrumented and randomly assigned to one of seven groups of 20 canals. Experimental groups were obturated with metal or plastic carrier Thermafil obturators. Control groups were obturated using the lateral condensation technique. An(More)