Table 1.

Values for input parameters. *The costs for all the modalities were simulated using the Dental Fees ADA survey 2020

Input parameters	Values
Root canal treatment - D3330	1,109.31 USD*
Pulpotomy - D3220	210.50 USD*
Direct composite restoration - D2393	294.82 USD*
Crown (porcelain fused to metal) - D2751	1,095.76 USD*
Nonsurgical retreatment - D3348	1,246.06 USD*
Surgical retreatment - D3425	961.87 USD*
Extraction - D7140	189.83 USD*
Starting age	18 years
Discount rate	0.03
Pulpotomy (success probability) – first year	0.96 [13]
Root canal treatment (success probability) – first year	0.99 [5, 6]
Pulpotomy (success probability) – follow-up years	0.95 [11]
Root canal treatment (success probability) – follow-up years	0.97 [5, 6]
Probability of complications following pulpotomy (follow-up health states)	0.05 [18]
Probability of complications following root canal treatment (follow-up health states)	0.03 [5, 6]
Probability of root canal treatment following failed pulpotomy	0.875 [12, 18]
Probability of extraction following failed pulpotomy	0.125 [18, 20]
Probability of non-surgical retreatment following failed root canal treatment	0.1 [19]
Probability of surgical retreatment following failed root canal treatment	0.15 [19]
Probability of extraction following failed root canal treatment	0.75 [19]