Scissor bite

Scissor bite is a type of bite seen in some mammals such as dogs and humans. This type of bite involves outward positioning of the upper posterior teeth and inward positioning of the lower posterior teeth. The reason for this happening is an expanded upper arch and constricted lower arch.[1][2]

Humans

In humans, a scissor bite does not have any significant influence on the facial profile. However, the chewing habits is influenced due to no contact of molars. Treatment of scissor bite may involve expansion device of the lower arch, usage of cross-elastics in an orthodontic treatment.[3] A new method of using Temporary Anchorage Devices (TADs) has been shown to correct the scissor bite in humans.[4]

References
  1. Jung, Min-Ho (2011-04-01). "Treatment of severe scissor bite in a middle-aged adult patient with orthodontic mini-implants". American Journal of Orthodontics and Dentofacial Orthopedics. 139 (4 Suppl): S154–165. doi:10.1016/j.ajodo.2009.06.031. ISSN 1097-6752. PMID 21435535.
  2. Oualalou, Y.; Benyahia, H.; Zaoui, F. (2015-09-01). "[Orthodontic correction of a Brodie syndrome case related to oral habits]". Odonto-Stomatologie Tropicale = Tropical Dental Journal. 38 (151): 13–20. ISSN 0251-172X. PMID 26930770.
  3. Li, Huang; Wang, Qian; Wu, Tuojiang (2014-04-01). "Nonsurgical treatment of unilateral scissor bite in a growing patient". Journal of Clinical Orthodontics. 48 (4): 249–255. ISSN 0022-3875. PMID 25084505.
  4. Kalia, Ajit; Sharif, Kanaan (2012-09-01). "Scissor-bite correction using miniscrew anchorage". Journal of Clinical Orthodontics. 46 (9): 573–579, quiz 583. ISSN 0022-3875. PMID 23103854.
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