Page 9 - Clinical Connections- Autumn 2021
P. 9

Dental Disease

        EPIDEMIOLOGY OF CANINE PERIODONTAL

        DISEASE

        Dan O’Neill, Senior Lecturer in Companion Animal Epidemiology

             eriodontal disease describes the   What did VetCompass discover?
             most common form of dental     Firstly, how common is periodontal disease
        P disease in dogs, spanning a       in dogs? From a random sample of 22,333
        spectrum from inflamed gums to deeper   dogs attending 784 UK veterinary clinics,   Dental Disease in dogs
                                                                                 Dental disease describes the presence of a range of possible
        infections that can ultimately lead to tooth   the VetCompass study identified that   oral health issues in dogs including sore gums, rotting teeth and
                                                                                 gum infections. Dental disease should be considered a welfare
                                                                                 priority in dogs because it is very common and can also result in
        loosening and loss. As well as direct oral   2,797 dogs (12.5%) were diagnosed with   severe pain for affected animals as well as lasting for months or
                                                                                 even years if not treated.
        effects, periodontal disease can promote   periodontal disease in a single year.  In
                                                                                        This study aimed to explore the frequency
        infections in organs such as the kidneys,   fact, periodontal disease was by far the   of dental disease in UK dogs and to identify
                                                                                          which breeds were most affected.
        heart and liver. One in eight of all dogs   most commonly diagnosed disorder in UK   Number of
                                                                                                      Proportion of dogs with
        seen each year in first opinion veterinary   dogs, with ear infections (7.3%) and obesity   dogs in study  dental disease each year
        care are diagnosed with periodontal   (7.1%) coming in a distant second and          22,333
        disease.                            third. This horror story of one in every eight               1 in 8
                                                                                                         (12.5%)
          Dogs often endure pain so bravely and   UK dogs suffering from periodontal disease
        quietly that many owners are unaware of   highlights the hidden dental epidemic that   Does the risk of dental disease differ by breed?
        their suffering from periodontal disease.   our dogs are enduring so bravely.
                                                                                      4.0 x
        Consequently, first opinion veterinary   Are certain types of dogs more likely to   4  PREDISPOSED BREEDS
                                                                                        18 breeds were predisposed
                                                                                        to dental disease
        teams are crucial in getting owners to   be affected by periodontal disease, and if   3  2.6 x  2.6 x
        understand not just dental disease risks   so, can we use this information to improve   TIMES INCREASED RISK  2  2.4 x  2.2 x  2.2 x  2.1 x  2.1 x  Labrador Retriever Staffordshire Bull Terrier  German Shepherd Dog
        and consequences but also promoting an   detection? The results showed that certain   Risk compared to crossbreeds  French Bulldog
        awareness of ‘lived experience’ for affected   breeds were phenomenally predisposed,   1  Toy Poodle  Greyhound  Lhasa Apso Yorkshire Terrier  Cockapoo  Chihuahua
        dogs.                               with the greyhound (32.21% affected)   TIMES DECREASED RISK  2  King Charles Spaniel Cavalier King Charles Spaniel  2.0 x  2.2 x  2.3 x
          Veterinarians are well aware of typical   King Charles spaniel (30.14% affected),   3        PROTECTED BREEDS
                                                                                                       4 breeds were protected
                                                                                                                         Flat-faced                    Spaniel breeds            to dental disease
        signs of dental disease in dogs, including   toy poodle (25.97% affected), Cavalier   4            (brachycephalic) breeds                                       risk compared to        4.0 x
                                                                                                           had 1.6 times
                                                                                                    had 1.3 times risk
                                                                                           compared to breeds with                non-spaniel breeds.
        discoloured teeth, bad breath, inflamed   King Charles spaniel (25.29% affected)            medium length skulls.
        gums, loose teeth, excessive drooling,   Yorkshire terrier (22.22% affected) and
        blood on chew toys and reluctance to   Border terrier (22.09% affected) topping   Other factors predisposing to dental disease
        chew. However, many owners might not   the list.  Owners of breeds that are highly
        notice these problems at all, or may just   predisposed to periodontal disease should   4.0  As dogs aged,   3.8 x  3.9 x
                                                                                     their risk of
        write them off as normal ageing or normal   be encouraged by veterinary professionals   3.5  dental disease   3.2 x
                                                                                     became higher
        for their dogs. These delays in seeking   to be especially alert to signs of poor oral   3.0  2.8 x  3.1 x
                                                                                                           Breeds of smaller
        veterinary care mean that dogs endure   health. Veterinarians check and should                 2.5 x  bodysize had higher
                                                                                                            risk of dental
        unnecessary pain from dental problems   comment explicitly on the dog’s teeth on   Relative risk of dental disease  2.5  disease than breeds
                                                                                                           of larger bodysize
        that have advanced to stages where   each visit as a matter of course to underline   2.0  1.9 x
        successful intervention is more difficult. A   the importance of dental health to owners.    1.5  1.5 x  1.3 x
        key step needed to resolve these issues   What other useful predictors of                             1.2 x
        is getting good evidence on the frequency   periodontal disease in dogs were   1.0  4 to < 6 yrs 6 to < 8 yrs 8 to < 10 yrs 10 to < 12 yrs  ≥ 12 yrs  < 10kg 10 to < 15kg 15 to < 20kg 20 to < 25kg 25 to < 30kg 30 to < 40kg*
                                                                                 2 to < 4 yrs*
        of dental problems, and which dogs are   discovered in the study? Periodontal
                                                                                          Age           Bodyweight  *Reference
                                                                                                               category
        most likely affected. This information can   disease is a progressive disease that   CONCLUSIONS:
        help veterinary professionals to prioritise   worsens as dogs age. The study showed
                                                                                              Veterinary dental
        our efforts on canine dental care and   that dogs aged eight years and above were    treatment, which requires
                                                                                             an anaesthetic, might be
                                                                                             needed to resolve dental
                                                                                                          Owners of high-risk
                                                                                 Good dental care, such
        communicate proactively with owners to   over three times more likely to be affected   as tooth brushing with a   concerned about your dog’s   breeds and age groups
                                                                                             disease in dogs. If you are
        avoid more advanced problems.       with periodontal disease compared with   dog-specific toothpaste,   teeth, book an appointment   should monitor their
                                                                                                          dog’s teeth very
                                                                                 is recommended for all
                                                                                              to discuss with your
                                                                                 dogs from a young age.
                                                                                                           carefully.
          A recent study from the VetCompass   young adult dogs aged two to four years.        veterinarian.
        Research Team at the RVC sought to   As a general rule, smaller-sized dogs were      CLICK TO READ
        document for the profession just how   more prone to periodontal disease than   RVC VetCompass https://www.rvc.ac.uk/vetcompass carries out welfare research based on anonymised clinical information shared from over 30%
                                                                                  O’Neill et al. (2021) “Epidemiology of periodontal disease in dogs in the UK primary-care veterinary setting” Journal of Small Animal Practice
                                                                                 of UK veterinary practices. We are very grateful to the owners and veterinary professionals who contribute to VetCompass research.
        common periodontal disease in dogs is. As   larger dogs: dogs weighing under 15kg
        with other studies, VetCompass collected   were 2.5 times more likely to be affected
        anonymised clinical information from first   than dogs weighing 30-40kg.

        opinion veterinary practices in the UK and   And interestingly, insured dogs were 30%   .
        examined the data for the benefit of dogs   dogs, highlighting that increasing levels of
                                            more likely to be diagnosed than uninsured
        and their owners and to help our veterinary
        colleagues address risks and problems   care provided by owners and veterinarians     For small animal referrals, please call:
        with owners.                        can remarkably increase detection rates of   01707 666399
                                            periodontal disease, reduce unnecessary     Email:
                                            suffering and deal with conditions earlier.    qmhreception@rvc.ac.uk
                                                                                                    Autumn 2021   9
   4   5   6   7   8   9   10   11   12