Preventive Dentistry Fissure Sealants Topical Fluoride Mouth Guards / Night Guards Fissure Sealants Prevention is better than cure ~ Key to preserving long-lasting natural teeth and a sparkling smile. Topical Fluoride Painless, fast.Promotes re-mineralisation of early decay. Mouth Guards / Night Guards Custom made to protect against broken teeth, cut lips and other damage to your mouth during contact sportsNight guards ~ for clients with teeth grinding problems, to be worn at night.