Aging By Teeth – 19 – 24 years (Early Senior Horses)

Doc-t August 6, 2020
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Reviewing these images is a long process if you go through the whole set. The idea is to notice all the differences and variability seen within each age. Then, as the age becomes greater, notice the increased variability. Also, note that some horses’ left and right sides are different, yielding a different age. The difference is caused by the horse’s tongue movement, jaw movement or both. The image data is the evidence I give for the horse’s age.

I call this group between 19 and 24 years the “Early Senior Horses.”

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⬇︎ Click or tap on any image to fully open it. Swipe or click the arrow to move through the gallery. ⬇︎

19-year-olds

  • “Galvayne’s groove” is an indentation (or groove) that occurs on the upper corner incisors (103 and 203).
  • It is located on the labial surface and parallels the front and back edge of the tooth.
  • Between 10 and 20 years it will progressively extend the length of the tooth.
  • Between 21 and 30 years it will progressively disappear starting at the gum line until it is gone by 30.
  • The groove at the gum line elongates slightly more along the length of the tooth to almost the full length of the tooth in the 19th year of eruption.
4/20/1995 = 19yr 3 mo WB G
4/20/1995 = 19yr 3 mo WB G
4/20/1995 = 19yr 3 mo WB G
4/20/1995 = 19yr 3 mo WB G
Betty 19 yr App M
Betty 19 yr App M
Betty 19 yr App M
Betty 19 yr App M
05/06/1995 = 19yr WB G
05/06/1995 = 19yr WB G
05/06/1995 = 19yr WB G
05/06/1995 = 19yr WB G
5/1/1994 = 19yr 6mo WB G
5/1/1994 = 19yr 6mo WB G
5/1/1994 = 19yr 6mo WB G
5/1/1994 = 19yr 6mo WB G
7/31/1994 = 19yr WB G
7/31/1994 = 19yr WB G
7/31/1994 = 19yr WB G
7/31/1994 = 19yr WB G
3/9/1994 = 19yr 3mo
3/9/1994 = 19yr 3mo – Horse B – Bell’s palsy – tongue protrudes on right side and teeth are slightly out of alignment.
3/9/1994 = 19yr 3mo
3/9/1994 = 19yr 3mo
3/2/1994 = 19yr 3mo M
3/2/1994 = 19yr 3mo M
3/2/1994 = 19yr 3mo M
3/2/1994 = 19yr 3mo M
1/1/1994 = 19yr TB (Jan 1st) G Tatto = “X” 1994 + papers
1/1/1994 = 19yr TB (Jan 1st) G Tatto = “X” 1994 + papers
1/1/1994 = 19yr TB (Jan 1st) G Tatto = “X” 1994 + papers
1/1/1994 = 19yr TB (Jan 1st) G Tatto = “X” 1994 + papers
8/8/1994 = 19yr 10 mo M Appaloosa
8/8/1994 = 19yr 10 mo M Appaloosa
8/8/1994 = 19yr 10 mo M Appaloosa
8/8/1994 = 19yr 10 mo M Appaloosa

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20-year-olds

  • “Galvayne’s groove” is an indentation (or groove) that occurs on the upper corner incisors (103 and 203).
  • It is located on the labial surface and parallels the front and back edge of the tooth.
  • Between 10 and 20 years, it will progressively extend the length of the tooth.
  • Between 21 and 30 years, it will progressively disappear, starting at the gum line until it is gone by 30.
  • The groove at the gum line elongates slightly more along the length of the tooth to the entire length of the tooth in the 20th year of eruption.
  • Galvayne’s Groove the full length at 20.”
4/23/1994 = 20yr 1 mo TB G
4/23/1994 = 20yr 1 mo TB G
4/23/1994 = 20yr 1 mo TB G
4/23/1994 = 20yr 1 mo TB G
3/11/1994 = 20yr old Arabian gelding
3/11/1994 = 20yr old Arabian gelding. Note angled occlusal surface of incisors and the tongue lays on the left side.
3/11/1994 = 20yr old Arabian gelding
3/11/1994 = 20yr old Arabian gelding
4/11/1993 = 20yr = W (partial) TB G – Horses G (presumptive) – Receding gum line, bulbous incisors, hypertrophy of gum line
4/11/1993 = 20yr = W (partial) TB G – Horses G (presumptive) – Receding gum line, bulbous incisors, hypertrophy of gum line
4/11/1993 = 20yr = W (partial) TB G – Horses G (presumptive) – Receding gum line, bulbous incisors, hypertrophy of gum line
4/11/1993 = 20yr = W (partial) TB G – Horses G (presumptive) – Receding gum line, bulbous incisors, hypertrophy of gum line
12/20/1992 = 20yr 6mo Trot y Galope G
12/20/1992 = 20yr 6mo Trot y Galope G
12/20/1992 = 20yr 6mo Trot y Galope G
12/20/1992 = 20yr 6mo Trot y Galope G
1/1/1993 = 20yr 6mo Mini G
1/1/1993 = 20yr 6mo Mini G
1/1/1993 = 20yr 6mo Mini G
1/1/1993 = 20yr 6mo Mini G
5/7/1993 = 20yr M Paint
5/7/1993 = 20yr M Paint
5/7/1993 = 20yr M Paint
5/7/1993 = 20yr M Paint
6/14/1993 = 20yr QH G
6/14/1993 = 20yr QH G – Horse B – 20 yr QH with relaxed incisors in a natural position
6/14/1993 = 20yr QH G – Horse B – 20 yr QH with relaxed incisors in a natural position
6/14/1993 = 20yr QH G – Horse B – 20 yr QH with relaxed incisors in a natural position
5/5/1994 = 20yr 1 mo TB G tattoo = X
5/5/1994 = 20yr 1 mo TB G tattoo = X
5/5/1994 = 20yr 1 mo TB G tattoo = X
5/5/1994 = 20yr 1 mo TB G tattoo = X

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21-year-olds

  • “Galvayne’s groove” is an indentation (or groove) that occurs on the upper corner incisors (103 and 203).
  • It is located on the labial surface and parallels the front and back edge of the tooth.
  • Between 10 and 20 years it will progressively extend the length of the tooth.
  • Between 21 and 30 years it will progressively disappear starting at the gum line until it is gone by 30.
  • The groove at the gum line slightly disappears along the length of the tooth starting at the gum line in the 21st year of eruption.
Dreamer 21yr QH G
Dreamer 21yr QH G
Dreamer 21yr QH G
Dreamer 21yr QH G
10/2/1992 = 21yr DWB G
10/2/1992 = 21yr DWB G
10/2/1992 = 21yr DWB G
10/2/1992 = 21yr DWB G
7/4/1992 = 21yr WB G
7/4/1992 = 21yr WB G
7/4/1992 = 21yr WB G
7/4/1992 = 21yr WB G
4/30/1992 = 21yr warmblood G
4/30/1992 = 21yr warmblood G
4/30/1992 = 21yr warmblood G
4/30/1992 = 21yr warmblood G
3/13/1992 = 21yr 2mo Lg Pony G
3/13/1992 = 21yr 2mo Lg Pony G – Horse C with relaxed incisors in a natural position
3/13/1992 = 21yr 2mo Lg Pony G – Horse C with relaxed incisors in a natural position
3/13/1992 = 21yr 2mo Lg Pony G – Horse C with relaxed incisors in a natural position
2/26/1993 = 21yr 4 mo TB G
2/26/1993 = 21yr 4 mo TB G
2/26/1993 = 21yr 4 mo TB G
2/26/1993 = 21yr 4 mo TB G

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22-year-olds

  • “Galvayne’s groove” is an indentation (or groove) that occurs on the upper corner incisors (103 and 203).
  • It is located on the labial surface and parallels the front and back edge of the tooth.
  • Between 10 and 20 years it will progressively extend the length of the tooth.
  • Between 21 and 30 years it will progressively disappear starting at the gum line until it is gone by 30.
  • The groove at the gum line slightly disappears along the length of the tooth starting at the gum line in the 22nd year of eruption.
4/25/1992 = 22yr TB G
4/25/1992 = 22yr TB G
4/25/1992 = 22yr TB G
4/25/1992 = 22yr TB G
6/25/1991 = 22yr 5mo WB G
6/25/1991 = 22yr 5mo WB G
6/25/1991 = 22yr 5mo WB G
6/25/1991 = 22yr 5mo WB G
5/24/1991 = 22yr TB M
5/24/1991 = 22yr TB M
5/24/1991 = 22yr TB M
5/24/1991 = 22yr TB M
4/15/1991 = 22yr Lipizaner G
4/15/1991 = 22yr Lipizaner G – Horse D with relaxed incisors in a natural position
4/15/1991 = 22yr Lipizaner G – Horse D with relaxed incisors in a natural position
4/15/1991 = 22yr Lipizaner G – Horse D with relaxed incisors in a natural position

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23-year-olds

  • “Galvayne’s groove” is an indentation (or groove) that occurs on the upper corner incisors (103 and 203).
  • It is located on the labial surface and parallels the front and back edge of the tooth.
  • Between 10 and 20 years it will progressively extend the length of the tooth.
  • Between 21 and 30 years it will progressively disappear starting at the gum line until it is gone by 30.
  • The groove at the gum line slightly disappears along the length of the tooth starting at the gum line and is about ¼ gone in the 23rd year of eruption.
4/9/1991 = 23yr 2mo TB G tattoo = U
4/9/1991 = 23yr 2mo TB G tattoo = U
4/9/1991 = 23yr 2mo TB G tattoo = U
4/9/1991 = 23yr 2mo TB G tattoo = U
1/5/1991 = 23yr 4mo Apend QH Mare
1/5/1991 = 23yr 4mo Appendix QH Mare
1/5/1991 = 23yr 4mo Apend QH Mare
1/5/1991 = 23yr 4mo Apend QH Mare
2/12/1991 = 23yr TB G
2/12/1991 = 23yr TB G
2/12/1991 = 23yr TB G
2/12/1991 = 23yr TB G
4/14/1990 = 23yr 5mo Andalusian M
4/14/1990 = 23yr 5mo Andalusian M
4/14/1990 = 23yr 5mo Andalusian M
4/14/1990 = 23yr 5mo Andalusian M
4/7/1990 = 23yr 4mo WB M
4/7/1990 = 23yr 4mo WB M
4/7/1990 = 23yr 4mo WB M
4/7/1990 = 23yr 4mo WB M
5/10/1990 = 23yr WB G
5/10/1990 = 23yr WB G
5/10/1990 = 23yr WB G
5/10/1990 = 23yr WB G
5/16/1990 = 23yr 1mo TB G Oliver Tucker
5/16/1990 = 23yr 1mo TB G Oliver Tucker
5/16/1990 = 23yr 1mo TB G Oliver Tucker
5/16/1990 = 23yr 1mo TB G Oliver Tucker
4/13/1990 = 23yr WB G
4/13/1990 = 23yr WB G
4/13/1990 = 23yr WB G
4/13/1990 = 23yr WB G
3/30/1990 = 23yr QH M
3/30/1990 = 23yr QH M
3/30/1990 = 23yr QH M
3/30/1990 = 23yr QH M
6/30/1991 = 23yr Hanovarian M
6/30/1991 = 23yr Hanovarian M
6/30/1991 = 23yr Hanovarian M
6/30/1991 = 23yr Hanovarian M

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24-year-olds

  • “Galvayne’s groove” is an indentation (or groove) that occurs on the upper corner incisors (103 and 203).
  • It is located on the labial surface and parallels the front and back edge of the tooth.
  • Between 10 and 20 years it will progressively extend the length of the tooth.
  • Between 21 and 30 years it will progressively disappear starting at the gum line until it is gone by 30.
  • The groove at the gum line slightly disappears along the length of the tooth starting at the gum line and is about 1/3 gone in the 24th year of eruption.
3/30/1990 = 24yr 2mo QH G saw papers
3/30/1990 = 24yr 2mo QH G saw papers
3/30/1990 = 24yr 2mo QH G saw papers
3/30/1990 = 24yr 2mo QH G saw papers
1/1/1989 = 24yr TB G
1/1/1989 = 24yr TB G
1/1/1989 = 24yr TB G
1/1/1989 = 24yr TB G
1/31/1989 = 24yr QH G – Horse E with relaxed incisors in a natural position –
1/31/1989 = 24yr QH G – Horse E with relaxed incisors in a natural position –
1/31/1989 = 24yr QH G – Horse E with relaxed incisors in a natural position –
1/31/1989 = 24yr QH G – Horse E with relaxed incisors in a natural position –
6/18/1989 = Tattoo = S = 24yr 11mo TB M
6/18/1989 = Tattoo = S = 24yr 11mo TB M
6/18/1989 = Tattoo = S = 24yr 11mo TB M
6/18/1989 = Tattoo = S = 24yr 11mo TB M

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Categories: Aging Project

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