10 Tips for preclinical students to success in cavity preparation!

• Don’t come empty mind,You must be knowledgeable of the cavity preparation principles! 
 

 

• Keep the outline form memorized.

   

• Draw the outline form.

   

• Adopt the ideal position. 

   

• Start with small size burs.

   

• Get the correct fingers position so that you can have a better control of the handpiece. 

   

• Accomplish the cavity preparation in an orderly sequence .

   

• Don’t apply firm pressure,work layer by layer. 

   

• Use a small condenser to Verify the convenience form.

   

•  Finish walls and margins.

Evaluate yourself

        Class I cavity preparation on 36/46

Feature	Outline form		Direction of walls
Proper status	Smooth sweeping curves	-Includes pits and fissures	Parallelism B /L  to ext surf+ slight  conv	Parallelism M/D to ext surf + slight div

Feature	Depth and  width		Pulpal floor	Cavity refinement
Proper status	Depth     1.5-2mm	Width -BL: ≤1/4inter cusp distance  -MD: dovetails 1mm inside marg ridge -Centeralized	-Flat -smooth	Defined line angles and walls