Inclusion Criteria:  Aged between 21 and 65 years old Dentate patients English speaking and literacy for verbal instructions including the usage of the DM application Have access or own a smartphone with wifi and/or cellular connectivity Ability to provide informed consent to participate in the study and willing to download the DM application onto their smartphone Able to link and register their email account to receive notifications from DM application during the study  Exclusion Criteria:  Patients below 21 years old Patients who is in dental pain Patients with dementia Patients who has compromised manual dexterity Patients who had received Scaling and Polishing less than one month prior to examination and treatment Pregnant or lactating women