Is there really a dental insurance policy with a benefit guarantee?
29.05.2025
12
Minutes
Katrin Straub
Managing Director at nextsure
A large dental bill arrives, but the insurance does not pay the full amount. This is a scenario many policyholders fear. We explain what a “benefit guarantee” really means and how you can safely avoid pitfalls in contracts.
The topic in brief and concise terms
There is no “benefit guarantee” in the literal sense; the insurer’s obligation to pay benefits under dental supplementary insurance always depends on the detailed contractual terms.
Clauses on medical necessity, the schedule of fees (GOZ) and benefit limitations in the first few years (dental benefit limits) are decisive for cost coverage.
Submitting and obtaining approval for a treatment and cost plan (HKP) before treatment begins is the most important step in securing a binding commitment of cover from the insurer.
The promise of the performance guarantee: a closer look at reality
Many policies advertise cover of 90 or even 100 per cent, which is understood as a kind of performance guarantee. In reality, however, this promise is tied to numerous conditions set out in the small print of the contract. There is no genuine, unconditional guarantee; the obligation to pay benefits depends on the Insurance Contract Act (VVG) and the specific tariff details. If, for example, a dentist bills €2,000 for treatment, the insurer can reduce the cover to €1,500 if it questions the medical necessity of individual items. The promised 90 per cent would then only be applied to this reduced amount. What was hoped to be protection quickly becomes a financial disappointment, even though the cost of dental prosthetics can be considerable. The decisive factors for cover are not the advertising claims, but the specific contractual terms.
Contract pitfalls: These clauses limit your cost reimbursement
Policyholders often only receive the full benefits after several years, which many overlook when taking out the policy. To achieve the advertised high cost reimbursement, several hurdles in the contractual terms must be overcome. In particular, the definition of medical necessity is a common point of contention. Here is a list of the most important clauses you should know:
Medical necessity: Insurance providers only pay for treatments they consider medically necessary, a definition they often set themselves.
Schedule of fees (GOZ): Dentists can charge up to 3.5 times the schedule of fees for dentists (GOZ) for private services; your tariff must cover these increases.
Price and service list: Some insurers maintain their own lists of “reasonable” prices for materials and laboratory work, which are often below the actual costs.
Dental benefit schedule: In the first three to five years, benefits are capped at maximum amounts, for example at no more than EUR 1,000 in the first year.
Waiting periods: For many treatments, particularly dental prosthetics, there is a waiting period of up to eight months during which no benefits are paid.
A precise understanding of these points is crucial in order to know when an insurer will not pay. These clauses largely determine how high your out-of-pocket share will actually be in the end.
The treatment and cost plan: your tool for maximum cost certainty
The most important step to safeguarding your claims is to submit a treatment and cost plan (HKP) before treatment begins. This document is a detailed estimate from your dentist, listing the findings, the planned treatment and the expected costs. The insurer's written approval of the HKP is the most binding form of cover confirmation you can receive. This approval is usually valid for six months and binds the insurer to the agreed benefits. If the final invoice differs from the plan by more than 15 per cent, the dentist must inform you. A comparison of dental supplementary insurance policies shows that how HKPs are handled is an important quality criterion. But even with an approval, disputes can arise if the insurer subsequently reduces individual items.
Benefit reduced: How to successfully challenge the insurer
If your dental supplementary insurance refuses payment or reduces the amount, you do not have to simply accept that. There is a clear process you can use to enforce your rights. Every year, thousands of disputes are decided in favour of policyholders. Here are the four key steps:
File a written objection: Request a detailed written explanation from the insurer for the reduction and formally lodge an objection.
Obtain a second opinion: An opinion from a second dentist can support the medical necessity of the treatment and strengthen your position.
Involve the PKV ombudsman: The private health insurance ombudsman offers a free out-of-court conciliation procedure that is binding on insurers for disputes up to a value of €10,000.
Consult a specialist solicitor in insurance law: As a last resort, a lawyer can help enforce your claims in court, which is especially worthwhile for large sums.
The right approach can make the difference between being left to bear high costs yourself or receiving the benefit you are entitled to. Choosing the right dental supplementary insurance is the best prevention.
Expert tips: How to find a plan with genuine benefit security
To avoid ending up in a situation where benefits are denied in the first place, choosing the right plan is crucial. Our expert tip: Look specifically for plans that do not have their own schedule of fees and services for laboratory costs. These plans accept locally customary prices and significantly reduce the risk of benefit reductions. Also ensure that the Schedule of Fees for Dentists (GOZ) is covered at least up to 3.5 times the standard rate, as this is often necessary for complex treatments. A good plan may cost 40 to 50 euros a month, but in the event of a claim it can save you from co-payments of several thousand euros. Transparent terms are more important here than the promise of 100% reimbursement. Keeping these criteria in mind, you can find the best dental supplementary insurance and protect yourself in the long term.
Request an individual risk analysis now: Have your insurance situation reviewed free of charge and receive concrete suggestions for optimisation.
More useful links
The Verbraucherzentrale discusses the risks and benefits of dental supplementary insurance from its perspective.
The Verband der Privaten Krankenversicherung (PKV) reports on the strong growth in dental supplementary insurance in Germany.
Statista provides statistical data on statutory health insurance (GKV) spending on dental prosthetics since 2004.
The GKV-Spitzenverband provides key figures and general information on statutory health insurance.
Statista compares the benefits of private and statutory health insurers for dental treatment and dental prosthetics.
The Kassenzahnärztliche Bundesvereinigung (KZBV) offers comprehensive information on dental care in Germany.
The Kassenzahnärztliche Vereinigung Berlin (KZVB) informs patients about supplementary insurance.
FAQ
Is there dental insurance that covers everything?
No, there is no dental insurance policy that pays for everything unconditionally. Every plan has conditions, exclusions and limitations. Premium plans do offer very high levels of cost coverage, but even here the contractual requirements, such as medical necessity, must be met.
What should I pay particular attention to in the insurance terms and conditions?
Pay particular attention to the level of reimbursement for dental prostheses, the covered rates of the Schedule of Fees for Dentists (up to 3.5 times recommended), the provisions for professional dental cleaning and whether the tariff does without its own price-performance schedule for laboratory costs.
Is dental insurance with no waiting period always better?
An insurance policy with no waiting period offers immediate cover, which is a major advantage. But beware: treatments that were already advised or planned before the contract was concluded are usually still excluded. So always check the exact terms.
What is a tooth rack?
The dental benefit cap is a limitation on benefits in the first years of insurance cover. For example, the insurer reimburses a maximum of 1,000 euros in the first year, 2,000 euros in the second, and so on. Only after this graduated scale has expired (usually after three to five years) is the full contractual benefit available.
Does the insurance also cover costs for treatment abroad?
This depends on the plan. Many good plans also cover treatment within the EU on the same terms as in Germany. For treatment outside the EU, there are often restrictions or lower reimbursement rates. This should be checked in advance.
What happens if my dentist charges more than the insurance allows?
If your dentist charges a higher rate under the dental fee schedule (GOZ) than your plan covers (for example, above the 3.5-fold rate), you must cover the difference yourself. It is therefore important to choose a plan that reimburses high GOZ rates and to clarify this before expensive treatment.
