Traditionally, Black’s original preparation design called for extravagant extension with the intention of preventing recurrent caries. Overtime, improvements in knowledge have supported the more conservative cavity preparations. Some authors advocate extending the preparations into fissures, whether carious or not.[36–40] Smaller burs can be used to create preparations that involve the removal of only diseased and weakened enamel and dentin, and with the use of fissure sealants sound tooth can be preserved. A small diameter bur can be used to slightly open the fissures to be sealed to ensure access to sound enamel for etching and flow of a liquid resin to provide seal