Terms and conditions for the Castleton Dental Membership plans (including 2+2, 2+3 and 2+4) are: Minimum membership period: You must remain a member for at least 12 months. Monthly payment: Membership is paid by Direct Debit. A £10 administration fee is added to your first payment only. Treatment discount: The 10% discount applies only to core dental treatments and does not cover: Implants Orthodontics (e.g. braces/Invisalign) Cosmetic treatments (e.g. whitening) Specialist referrals and treatment Periodontal (gum specialist) treatment Additional hygiene appointments beyond those included in your plan. Missed or unused appointments: If you don't use your included examinations or hygiene visits, you cannot receive a refund or exchange them for another treatment. If you miss an appointment, the practice may choose not to book another membership appointment until your next routine visit is due. Consecutive payments required: Your included examinations and hygiene appointments are provided only while the required monthly payments are kept up to date. Failed Direct Debits: The practice reserves the right to cancel your membership if Direct Debit payments fail. Emergency assistance: Membership includes access to a 24-hour dental emergency helpline and eligibility to request help through the Worldwide Dental Emergency Assistance Scheme, subject to that scheme's own rules and benefit limits. Discount conditions: The 10% discount cannot usually be combined with: Other promotional discounts, Finance agreements, Treatments completed before your membership started.