Oral cavity treatment and COHAT: what is the difference

What oral cavity treatment means

Oral cavity treatment is a broad concept. It describes procedures aimed at identifying and addressing dental problems in a pet. But the term itself does not tell you whether full-mouth dental radiography was done, periodontal probing carried out, each tooth assessed, or treatment provided where needed.

Different clinics may mean different things by 'oral cavity treatment': sometimes only visible tartar removal, sometimes professional hygiene with polishing, and sometimes a full protocol close to COHAT. That is why I always advise owners to clarify in writing or in an estimate exactly what is included.

The term is not wrong — it simply needs to be specified, just as in human medicine a general procedure name does not replace a detailed treatment plan.

What COHAT and КОХАТ are

COHAT stands for Comprehensive Oral Health Assessment and Treatment — a full assessment of oral health and treatment where indicated.

COHAT is the original Latin-script name of the protocol. КОХАТ is the Ukrainian Cyrillic spelling of the same term. In some regions you may also hear other variants that arise when people visually misread the Latin letters in COHAT — but in veterinary dentistry these usually refer to one comprehensive protocol, not different procedures.

In my practice COHAT remains the standard professional term. If you hear another spelling from a colleague, it is worth confirming whether they mean the full protocol with radiography and assessment of every tooth — not professional hygiene alone.

Are oral cavity treatment and COHAT the same thing

Not always. Sometimes 'oral cavity treatment' is used to mean the full COHAT protocol, but more often it means a smaller scope. Below is a rough comparison to help you orient yourself.

Tartar removal

Removal of visible deposits on the crown surface. On its own this is not a full diagnostic work-up: roots, bone and subgingival areas remain unassessed.

Professional hygiene

Supragingival and subgingival cleaning with a scaler, finishing with AirPolishing (sometimes called Air Flow in everyday speech) and polishing. This is an important step, but it does not replace dental radiography, periodontal probing or assessment of each tooth.

Oral cavity treatment

A general name for procedures aimed at identifying and addressing dental problems. The actual scope needs to be clarified: whether radiography, probing, a dental chart and treatment where indicated are included.

COHAT / КОХАТ

A comprehensive assessment of the whole mouth with diagnostics, professional hygiene and treatment where indicated. In my practice this is the standard protocol, described on the COHAT service page and in detail in the article 'What is COHAT?'.

What a full COHAT protocol includes

Below is a concise list of the steps I carry out within COHAT. Detailed explanations of each step are in the article on the COHAT protocol; here the point is to see the full scope so you can compare it with what may be offered under the name 'oral cavity treatment'.

• oral examination under anaesthesia — teeth, gums, mucosa, tongue, bite
• supragingival and subgingival cleaning with a scaler
• finishing with AirPolishing
• periodontal probing, assessment of tooth mobility and pocket depth
• full-mouth dental radiography
• assessment of each tooth
• local dental nerve blocks and treatment where indicated
• enamel polishing
• dental chart, photos, radiographs, PDF report and home care recommendations

For a detailed description of each step, see 'All stages of the COHAT protocol in detail' in the related articles below or on the COHAT service page.

Why simply removing tartar is not enough

Visible tartar is only part of the problem. The main changes are often below the gumline: in periodontal pockets, around roots and in bone. Without probing and radiography these areas cannot be fully assessed.

After cosmetic cleaning teeth may look clean while disease remains. Periodontal disease, crown and root fractures, and periapical infection are common in dogs. In cats it is also important to consider tooth resorption (TR) — a process that often starts below the gumline.

Gingivitis — inflammation of the gums — may accompany plaque build-up, but this is not the same as feline chronic gingivostomatitis, which is a separate condition and needs different diagnostic attention. I do not call any gum redness 'stomatitis' without clinical justification.

Why general anaesthesia is needed

A full oral cavity treatment or COHAT is not a matter of 'convenience for the vet'. General anaesthesia is needed for a pain-free examination of all tooth surfaces, probing, cleaning below the gums, accurate sensor positioning for radiographs and safe treatment.

During the procedure the airway is protected and the animal should not experience fear, pain or forced restraint. In my practice anaesthetic risks are assessed individually beforehand, and vital signs are monitored throughout COHAT.

The final treatment plan is often formed only after examination and radiography under anaesthesia — so a preliminary estimate may be refined after diagnostics. That is normal practice, not a 'last-minute price increase'.

Why radiographs of all teeth are taken

A significant part of each tooth sits below the gums. The appearance of the crown does not show the condition of the root, pulp or bony support. Dental radiography helps assess roots, bone, the periodontium, retained structures, fractures and other hidden changes.

Taking radiographs only of a 'suspicious' tooth can miss disease in areas that look normal from the outside. That is why in the COHAT protocol I take a full set of dental radiographs of the mouth.

Radiography does not replace a clinical examination and does not 'make the diagnosis' on its own — it is part of a comprehensive assessment together with probing and examination under anaesthesia.

When a dog or cat needs a dental examination

Book a consultation if you notice one or more of the following signs:

• unpleasant odour from the mouth
• hypersalivation (excessive drooling)
• blood in saliva or discharge from the mouth
• refusal of toys or hard treats
• refusal of dry food or a change in how the pet eats
• reduced appetite
• chewing food on only one side
• avoiding touch around the muzzle
• swelling of the muzzle or the area under the eye
• tooth mobility or loss
• gingivitis — red, bleeding gums
• in a cat — reduced grooming
• changes in behaviour while eating

Dogs and cats may keep eating even with diseased teeth and chronic pain. They often change how they grasp and chew food rather than stopping altogether. A normal appetite does not rule out dental disease.

In small and medium breeds dental problems sometimes develop faster because of crowding and harder home care — that does not mean large breeds are 'protected', but preventive checks matter for them too.

How to tell whether a full procedure is being offered

Before booking or at a consultation I suggest asking the following questions. They help you understand the scope — not to 'test' the vet:

• Is the whole mouth examined under anaesthesia?
• Is dental radiography of all teeth performed?
• Is each tooth assessed individually?
• Is periodontal probing carried out?
• Are areas below the gums cleaned?
• Is local analgesia used during treatment?
• Is a treatment plan formed after diagnostics?
• Is a dental chart kept?
• Will I receive radiographs, a report and recommendations?
• Who performs and monitors anaesthesia?

How much oral cavity treatment costs

Cost depends on the pet's weight, duration of anaesthesia, diagnostic findings and treatment required. A final plan cannot be reliably determined from a photo or a brief conscious examination alone — some disease is only found after a full work-up and radiography.

Before treatment after diagnostics the owner receives a plan and estimate. I do not recommend choosing solely on the lowest 'cleaning' price without clarifying what is included.

Current guidance on the COHAT protocol, consultation and anaesthesia is on the pricing page (see related pages below).

Need a consultation with a veterinary dentist?

At a consultation I assess the visible condition of the mouth, explain possible causes and help plan further diagnostics. Message on Telegram or book an in-person examination — we will agree the next steps without unnecessary pressure.

Frequently asked questions