Sequences and timing of dental eruption in semi-free-ranging mandrills (Mandrillus sphinx)

Folia primatologica; international journal of primatology
Joanna M Setchell, E Jean Wickings

Abstract

The chronology of tooth emergence is often used to examine the growth and development of individuals and to compare life histories across species. Emergence patterns are also used to age animals and to infer life history influences for extinct species. However, comparative studies of primates are hindered by a lack of dental development data for many species. Here we describe the sequences and timing of tooth emergence for a large sample of semi-free-ranging mandrills (Mandrillus sphinx) and compare this with other life history variables for this species. Deciduous dentition emerged in the sequence i1 i2 c p3 p4. The augmented sequence (including information about variability in emergence sequence) was i1 i2 [c p3] p4 for the female maxilla and the male mandible, and i1 i2 c p3 p4 for the female mandible and the male maxilla. Deciduous dentition was complete by 5.0 months in females and 6.4 months in males. The permanent dentition began to emerge at 26 months, and complete adult dentition had emerged by 68 months for males and 85 months for females. Sex differences occurred in the augmented eruption sequences: females M1 I1 I2 [M2 C] P3 P4 M3, males M1 I1 [I2 M2] [P4 = P3 = C] M3. The order of tooth eruption and the occurrence ...Continue Reading

Citations

Dec 3, 2011·Primates; Journal of Primatology·Yu Okuda Jogahara, Masahito Natori
Dec 1, 2007·Science·Charles A LockwoodAndre W Keyser
Apr 16, 2014·PloS One·Jordi GalbanyMarie J E Charpentier
Dec 8, 2004·American Journal of Physical Anthropology·Steven R LeighLaurel S Buchanan
May 5, 2011·American Journal of Physical Anthropology·Emily H Guthrie, Stephen R Frost
Dec 8, 2009·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Michelle SingletonEmily H Guthrie
Apr 17, 2020·Stroke; a Journal of Cerebral Circulation·Stoyan PopkirovAlastair M Buchan
Jun 9, 2020·American Journal of Physical Anthropology·Wendy DirksJoanna M Setchell

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