<prompt> Which of the following areis acceptable types of tooth preparations to receive composite resins as restorative materials?Conventional and bevelled conventionalModified preparation where only the defect is removedBox only or slot preparationsAll of the above  <response>: The design of the tooth preparation to receive a composite restoration may vary depending on several factors. Five designs of tooth preparations for composite restorations are presented here, and sometimes they willbe used in combination. The designs include:1 conventional2 beveled conventional3 modified4 box-only5 slot preparation designs 