![Galvayne's groove and the presence of a hook on the upper corner incisors are poor indicators of age in horse teeth | Semantic Scholar Galvayne's groove and the presence of a hook on the upper corner incisors are poor indicators of age in horse teeth | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/cf5a366f7604eea52bcf24373757f030aa393fd0/2-Figure1-1.png)
Galvayne's groove and the presence of a hook on the upper corner incisors are poor indicators of age in horse teeth | Semantic Scholar
![Galvayne's groove and the presence of a hook on the upper corner incisors are poor indicators of age in horse teeth | Semantic Scholar Galvayne's groove and the presence of a hook on the upper corner incisors are poor indicators of age in horse teeth | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/cf5a366f7604eea52bcf24373757f030aa393fd0/5-Figure4-1.png)
Galvayne's groove and the presence of a hook on the upper corner incisors are poor indicators of age in horse teeth | Semantic Scholar
![Galvayne's groove and the presence of a hook on the upper corner incisors are poor indicators of age in horse teeth | Semantic Scholar Galvayne's groove and the presence of a hook on the upper corner incisors are poor indicators of age in horse teeth | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/cf5a366f7604eea52bcf24373757f030aa393fd0/4-Figure3-1.png)