Dental patients will be recruited in a consecutive manner from diagnostic centre at Cairo University Dentistry faculty. Patients with NCCL will be selected for questionnaires and clinical examination. Thorough oral examination will be done, the full aim of the study will be explained to the patient, and patient acceptance is a must. The questionnaire will be done with face to face interview with the patient will include associated risk factors including gingival biotype, keratinized tissue width, gingival index, plaque index, occlusal wear grade, sensitivity. and a questionnaire will be filled by patients with another risk factors including age, gender, toothbrush frequency and type, bruxism, gastric reflux, soft drinks, alcohol and citrus fruits. Also OHIP-14 will be answered in a questionnaire form by patients including: functional limitations, physical pain, psychological discomfort, physical disability, psychological disability, social disability, handicap. then clinical examination will be done for NCCL using mirror, probe, light of the unit, air tip.
The study aims at determining the prevalence of non carious cervical lesions in patients with gingival recession in Egyptian population and associated risk factors including gingival biotype, keratinized tissue width, gingival index, plaque index, occlusal wear grade, sensitivity. and a questionnaire will be filled by patients with another risk factors including age, gender, toothbrush frequency and type, bruxism, gastric reflux, soft drinks, alcohol and citrus fruits. Also OHIP-14 will be answered in a questionnaire form by patients.