Effectiveness of Hall Technique for Primary Carious Molars: A Systematic Review and Meta-analysis

Sheikh Bilal Badar, Sadia Tabassum, Farhan Raza Khan, Robia Ghafoor

Research output: Contribution to journalReview articlepeer-review

12 Citations (Scopus)


Aim: The objective of the present systematic review was to assess the outcomes of Hall technique (HT) on primary carious molars and compared it with the conventional dental restorations. Materials and methods: The systematic review was registered with Prospero registry (CRD42015020445) to answer the following research question: Is HT a better restorative option compared to other techniques for restoration of carious primary molars? In addition to exploring various health sciences databases, hand search was also done using following key terms in different permutations: (Hall technique OR Hall’s technique OR preformed metal crown OR stainless steel crown) AND (caries OR carious molar OR deciduous tooth OR baby tooth OR milk tooth OR primary tooth). The outcome of interest was success of the restoration achieved with either method. Results: Five studies were included (two RCTs, one quasi-experimental trial, and two retrospective). A total of 1775 teeth were assessed, of which 1325 teeth were restored using HT. The retrospective studies showed no difference between HT and other methods whereas the RCTs and quasi-experimental favored HT over other treatment modalities. Meta-analysis significantly favored HT over conventional restorations [risk ratio 5.55 (3.31–9.30)] (p value ≤ 0.001). Conclusion: HT appeared demonstrated higher success and significantly outperformed the conventional restorations.

Original languageEnglish
Pages (from-to)445-452
Number of pages8
JournalInternational Journal of Clinical Pediatric Dentistry
Issue number5
Publication statusPublished - 1 Sept 2019


  • Deciduous carious molars
  • Hall technique
  • Metal crowns
  • Preformed metal crowns


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