Adult 2 Cigarette Smoking 2 Female 2 Humans 2 Male 2 Water Pipe Smoking adult 2 cigarette smoking 2 female 2 human 2 male 2 water pipe smoking 2 Adolescent 1 Alveolar Bone Loss 1 Article 1 Bone loss 1 Case-Control Studies 1 Cigar Smoking 1 Clinical 1 College students 1 Cotinine 1 Dental Implants 1 Electronic cigarettes 1 Hookah 1 Impulsive Behavior 1 Longitudinal Studies 1 Middle Aged 1 Non-Smokers 1 Peri-implantitis 1 Periodontal Index 1