1. What data in particular will be shared?
   Response - Individual participant data that underlie the results reported in this article, after de-identification (text, tables, figures, and appendices).
   


2. What additional supporting information will be shared?
   Response -  Study Protocol
   Response -  Statistical Analysis Plan
   Response - Informed Consent Form
   Response - Clinical Study Report
   
   
3. Who will be able to view these files?
   Response - Researchers who provide a methodologically sound proposal.
   


4. For what types of analyses will this data be available?
   Response - For individual participant data meta-analysis.
   


5. By what mechanism will data be made available?
   Response - Proposals should be directed to [amolpatil2526@gmail.com].
   


6. For how long will this data be available start date provided 14-12-2022 and end date provided 14-12-2023?
   Response - Immediately following publication. No end date.
   


7. Any URL or additional information regarding plan/policy for sharing IPD? 
   Additional Information - NIL

Dental caries is an infectious transmittable bacterial disease, which is characterized by a multi-factorial pathology.¹ In the early childhood the caries (ECC) have effects on both dental and general health of the child.² Oral health impacts on the quality of life of children ^{3, 4}. However, extreme caries have a noticeable impact on the diameter of the arch.⁵

        In order to preserve the functional integrity of primary dentition, it is important to perform different restorative treatment due to an increase in the prevalence of dental caries today.⁶ In all restorative procedures, there is a loss of some amount of tooth structure, these damaged teeth can be restored with various restorative materials such as resin modified glass ionomer cement, resin filled composite or resin filled composite.⁷ For primary molar teeth, preformed metal crown were first described by Engle⁸ in year 1950 and followed by Humphrey.⁹ Since then, crown design modifications are done, to improve morphology of crown and to simplify the fitting procedure.¹⁰ Stainless steel crowns are the first choice for restoring defects due to caries in primary dentition and the most reliable and successful form of tooth restoration is in pediatric dentistry.⁹ Stainless steel crown placement is easy and economical with a high success rate for preserving remaining teeth damaged by excessive preparation.^11,12 Esthetic concern is reported to be the most important problem for dental restoration in a study in pediatric patients.¹³Accordingly, new materials have been created to replace SSCs, such as bonded strip crowns, open-faced crowns and pre-veneered SSCs.^14,15 These new materials have enhanced aesthetics but have side effects such as poor gingival health and dental margin exposure due to metal presence.¹¹ In particular pre-veneered SSC veneer resin sometimes chips and results in additional care..^15,16

            Today, for the restoration of the primary teeth, the dental practitioner has various options like preformed zirconia crowns for esthetic concern. Based on technical, functional and esthetic limitations, each technique is associated with the own sets of advantages and disadvantages.^{17, 18, 19}

    Alternative to these, prefabricated esthetic flexible crowns are comparatively new. Flexible crowns allow practitioner to provide aesthetics of new age crowns and easy, economical as well as conservative preparation of stainless steel crowns in addition to that  they can be corrected like SSCs and that’s the reason this study is planned