Impact of Dietary Advice on the Progression of Tooth Wear (DAI)

Inclusion Criteria:

1. Severe tooth wear with a BEWE score of 3 on the occlusal surface of the first lower molars or incisal/buccal surface of the upper central incisor.
2. This wear will be as a result of a high acid diet i.e. as at least two dietary acidic challenges a day.
3. Adult 25-70 years old.
4. Minimum of at least 10 occluding tooth pairs (i.e. at least 10 upper teeth which bite against 10 lower teeth) - including the opposing upper molars and lower incisors
5. No anterior crowns/ bridges or implants opposing the lower molars or upper incisors
6. Written consent to the study

Exclusion Criteria:

1. Pregnancy or breast feeding
2. Medical history likely to impact on attendance or mobility
3. Presence of periodontal disease or caries on more than one tooth. BPE score of 2 or above.
4. Unable to speak or understand English
5. Saliva diagnoses (xerostomia- dry mouth)
6. Orthodontic appliances
7. Severe dentine hypersensitivity
8. Restoration of the occlusal or incisal surfaces of upper anterior teeth and first molars.
9. Have factors which could contraindicate their participation, such as any condition requiring the need for antibiotic premedication prior to a dental treatment, a condition requiring the need for long-term antibiotic use, blood thinning medications that prohibit the safe conduct of a dental cleaning or previous use of the weight loss medications.