The effect of viewing digital images of the severe consequences of poor oral hygiene on patients' adherence to good oral hygiene practice

INTERVENTION: The experiment will be conducted by a dentist with minimum 2 years' experience. A one‐to‐one 5 minute video‐based presentation containing recommended brushing and flossing techniques WITH images displaying the consequences of poor oral hygiene will be presented, After the end of the presentation, each participant will be asked if he/she understood the video‐based instructions, and he/she will be given the chance for any clarifications. The video‐based presentation will be presented at the initial visit only. No video‐based instructions will be presented at the second visit (after 4 weeks). CONDITION: Oral and Gastrointestinal ‐ Other diseases of the mouth, teeth, oesophagus, digestive system including liver and colon Oral hygiene; ; Oral hygiene PRIMARY OUTCOME: Plaque score: a modified O’Leary Index is used to define the number of surfaces free of plaque as a percentage of surfaces in the mouth following a rinse with a discolouring solution — six surfaces will be assessed per tooth.[ Baseline and 4 weeks post‐intervention.] SECONDARY OUTCOME: Bleeding on probing: the percentage of teeth surface numbers that are free from gingival bleeding — four surfaces per tooth.[ Baseline and 4 weeks post‐intervention.] Gingival bleeding inde Xas follows: ; Score Definition ; 0 no bleeding on probing ; 1 a single bleeding point ; 2 several bleeding points or thin line ; 3 interdental space filled with blood[ Baseline and 4 weeks post‐intervention.] INCLUSION CRITERIA: The participants should be healthy adult patients (18‐40 years‐old) who have at least 20 natural teeth and are willing to participate in this study and sign the consent forms.