Good oral health is to maintain the oral cavity free of stains , deposits and dental caries. The deposits is caused by improper brushing habits. The deposits in teeth causes bad breath , redness in gums , bleeding in severe conditions. To maintain good oral health regular dental visit is important . 6 months once Dental visit is important to diagnose and treat early . Good oral health is maintained by brushing twice a day , flossing between the teeth weekly once . flossing removes the plaque ( soft deposits ) Use mouth wash after brushing , gargle with water after every meal. scaling ( teeth cleaning ) procedure is done to remove dental plaque, deposits and stains. Scaling can be done every 6 months once to remove deposits. Scaling procedure does not harm your teeth it just removes the stains and deposits to maintain healthy gums.