Clinical Study of Filtek™ Bulk Fill Posterior Restorative in Class I and II Restorations

Inclusion criteria

• . Male or female,18 to 70 years old (including 18 and 70 years)
• . Good health, no significant systemic disease;
• . Normal opening degree;
• . Molar (preferred) or premolar teeth
• . Cavity type with belongs to any of the following： 1) Class I, including the failed class I restoration which require to be repaired.; 2) Class II, including premolar and molar except the second molar (the failed class II restoration which require to be repaired is also included), and the gingival wall of cavity is above the free gingival margin coronally; 3) Class II cavity on the second molar when the third molar exists, and the gingival wall of cavity is above the free gingival margin coronally; 4) Class II, MO or MOD cavity on the second molar when the third molar does not exist (the failed class II restoration which require to be repaired is also included), and the gingival wall of cavity is above the free gingival margin coronally;
• . Cavity size: the buccolingual diameter of cavity is no less than the 1/3 and of the buccolingual cusp distance;
• . Occlusion with natural teeth;
• . Cavity depth: no less than 1/2 of dentin with a normal pulp status;

Exclusion criteria