Effectiveness of Hall technique versus Conventional stainless steel crown in primary molar: a split-mouth randomised controlled trial

Effectiveness of Hall technique versus Conventional stainless steel crown in primary molar: a split-mouth randomized controlled trial

Status

Recruiting

Phases

Phase 2

Study type

Interventional

Source

TCTR

Registry ID

TCTR20210212003

Enrollment

Registered

2021-02-12

Start date

2021-02-10

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Extensive dental caries in primary teeth requiring stainless steel crown as treatment Caries management Preformed metal crown Hall technique Primary teeth

Interventions

Conventional technique is a treatment which needs local anaesthesia, rubber dam placement, caries removal, and tooth preparation before stainless steel crown placement,Hall technique is a treatment to

Experimental Procedure/Surgery,Experimental Procedure/Surgery

Conventional Stainless steel crown technique,Hall Stainless steel crown technique

Eligibility

Sex/Gender

All

Age

4 Years to 8 Years

Inclusion criteria

Inclusion criteria: 1. Healthy 4-8 years old 2. Possess at least two primary molars in any contralateral sextants diagnosed with extensive dental caries in similar condition requiring stainless steel crown as treatment 3. Co-operative to the dental treatment 4. Able to communicate their feeling and answer questions 5. Available to attend follow-up visit at 1 and 6 months after treatment 6. Teeth without symptom of pulpal disease

Exclusion criteria

Exclusion criteria: 1. Medically compromised with chronic conditions 2. Allergic to Nickel, Chromium, iron and local anaesthesia 3. Uncooperative behaviour or unable to cooperate during the procedure 4. Special children who cannot communicate 5. Loss of follow up 6. Tooth can be restored by some types of fillings 7. carious lesion extending into pulp clinically 8. Unrestorable crown 9. Last lesser than 6 months 10. Tooth with history of spontaneous pain, abscess and sinus tract 11. tooth with previous pulpal treatment

Design outcomes

Primary

Measure	Time frame
tooth vitality 6 months after end of intervention Clinical and radiographic finding	—

Secondary

Measure	Time frame
Patient perception 1 month after end of intervention Facial index scale,Operation time after treatment by recording time	—

Countries

Thailand

Contacts

Public ContactWaritorn Tangtrakooljaroen

Department of Pediatric dentistry

peum_na@hotmail.com66992966424

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026