Clinical Evaluation of ELS Versus ELS Extra Resin Composite

Inclusion Criteria: * Primary caries removal * Class I \& II restoration replacement * No obvious untreated caries, dental health problems (regularly checked by a dentist) * Good or moderate oral hygiene (plaque score of less than 30% in anterior region be-fore treatment) * No untreated periodontal disease (only DPSI 1, 2) * Subjects had to present no active carious lesions * Subjects had to be over the age of 18, be classified according to the American Society of Anesthesiologists (ASA) as ASA I or ASA II, present with good oral hygiene, and be free of periodontal disease (probing depth and attachment levels within normal limits, no furcation involvement, and no mobility) * Subjects had to agree to keep the scheduled recall appointments for data collection and maintenance and plan to stay in the area for at least 3 years. Exclusion Criteria: * Caries extends cemento-enamel junction in Class II. * Considerable horizontal and/or vertical mobility of teeth: tooth mobility index score 2 or 3 * Considerable periodontal disease without treatment (DPSI 3-, 3+ and 4) * Endodontic treatment with extensive loss of tooth tissue * Patients who still want to bleach their teeth or bleached teeth less than 3 weeks ago * Excluding the teeth, with opposing natural dentition (either intact or restored with intracoronal or extracoronal fixed restorations), and with a minimum of 20 teeth * Subjects who presented with severe wear facets and/or reported parafunctional activities such as clench…