Hall Technique Case Study

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Stainless steel crowns are widely preferred as the most effective and durable restorations for primary molars with poor prognosis. In the field of pediatric dentistry, using Hall technique for child oral health care remains controver¬sial, although its acceptance is growing in European countries (79).
This technique involved no local anesthesia, no rubber dam, no drilling and carried out in a child pleasant play manner. In essence, there was no removal of dental caries at all from carious lesion. The technique relied on sealing the carious lesion in situ cutting off its supply of sweet substrate, consequently altering the lesion’s bacterial plaque ultimately leading to the arrest of the caries process in the tooth. (6)
This new
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After two years, Hall PMCs showed more favorable outcomes for pulpal health and restoration longevity than conventional restoration techniques. The Hall Technique seems to provide an effective treatment option for carious primary molar teeth” (6, 67). Both Hall and Modified Hall techniques are of specific interest because there was no effort at even removal of partial caries, the caries simply being sealed in beneath the SSC. There is indirect evidence in support of this approach for primary molars from researches examining the efficiency of partial caries removal, followed by sealing the cavity with a restorative material that inform that caries progression was either arrested or at least significantly slowed down(81, 82) .
A systematic review showed incomplete caries removal can be considered advantageous and many of the studies reviewed showed sealing caries resulted in clinical and radiographic signs of inactivation of the carious lesion with tertiary dentin formation (67)
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As Hall technique involved no occlusal reduction before fitting the crowns. On the other hand no changes on the OVD were noticed in control group. Even occlusal contact had been re-established after 15 – 30 days in group II and group III. These results agreed with previous studies that recorded open bite by 1 mm on average after placement of Hall SSCs and the bite resolved itself to normal levels within 2 weeks due to dento-alveolar compensation (86- 88).
Another study demonstrated that maximum inter-cuspation position was returned to pre-operative status within 4 weeks of SS crown placement. The study suggested that, the equilibrium of occlusion may be caused by the intrusion of molar with SSC and antagonizing molar that retain OVD to the normal position. (76)
Another explanation was that, Hall crowns are acting in a similar manner as orthodontic appliances with bite planes with an accommodation by subsequent rapid eruption of other teeth to establish more even occlusal contacts (88). In our study, no child showed signs or symptoms of occlusal or TMJ dysfunctions in all groups.
Effect on anterior teeth

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