A Study of the Nerve Supply to the Upper Anterior Teeth

Olsen, Norman H.; Teuscher, George W.; Vehe, Karl L.

doi:10.1177/00220345550340031701

Cited by 17 publications

(10 citation statements)

References 2 publications

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“…[ 5 6 ] Both nerves are collateral branches of the infraorbital nerve in the homonymous canal and part of the maxillary nerve. [ 1 7 – 10 ] The anterior superior alveolar (ASA) nerve originates approximately 5-8 mm posterior to the infraorbital foramen. It is responsible for the pulpal innervation of the central incisor, lateral incisor, and canine.…”

Section: Introductionmentioning

confidence: 99%

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Anterior and middle superior alveolar nerve block for anesthesia of maxillary teeth using conventional syringe

Velasco¹,

Soto²

2012

Dent Res J

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Background:Dental procedures in the maxilla typically require multiple injections and may inadvertently anesthetize facial structures and affect the smile line. To minimize these inconveniences and reduce the number of total injections, a relatively new injection technique has been proposed for maxillary procedures, the anterior and middle superior alveolar (AMSA) nerve block, which achieves pulpal anesthesia from the central incisor to second premolar through palatal approach with a single injection. The purpose of this article is to provide background information on the anterior and middle superior alveolar nerve block and demonstrate its success rates of pulpal anesthesia using the conventional syringe.Materials and Methods:Thirty Caucasian patients (16 men and 14 women) with an average age of 22 years-old, belonging to the School of Dentistry of Los Andes University, were selected. All the patients received an AMSA nerve block on one side of the maxilla using the conventional syringe, 1 ml of lidocaine 2% with epinephrine 1:100.000 was injected to all the patients.Results:The AMSA nerve block obtained a 66% anesthetic success in the second premolar, 40% in the first premolar, 60% in the canine, 23.3% in the lateral incisor, and 16.7% in the central incisor.Conclusions:Because of the unpredictable anesthetic success of the experimental teeth and variable anesthesia duration, the technique is disadvantageous for clinical application as the first choice, counting with other techniques that have greater efficacy in the maxilla. Although, anesthetizing the teeth without numbing the facial muscles may be useful in restorative dentistry.

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Section: Introductionmentioning

confidence: 99%

“…It is responsible for the pulpal innervation of the central incisor, lateral incisor, and canine. [ 1 7 – 10 ] Meanwhile, the middle superior alveolar (MSA) nerve originates approximately 10 mm posterior to the infraorbital foramen. It is responsible for pulpal innervation of the premolars and the mesiobuccal root of the first molar.…”

Section: Introductionmentioning

confidence: 99%

Anterior and middle superior alveolar nerve block for anesthesia of maxillary teeth using conventional syringe

Velasco¹,

Soto²

2012

Dent Res J

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“…This branch typically continues anteriorly over the region of the developing deciduous incisors, serving the arch anterior to the canine as well. [Since the focus of this study was patterning of the maxillary nerve in relation to tooth germs, we did not investigate the potential involvement of the nasopalatine nerve because it has been shown that this nerve does not ordinarily innervate the upper deciduous or permanent incisors at any stage of development (Bohn, 1963;Cook, 1949;Olsen and Teuscher, 1955;Phillips and Maxmen, 19411.1 Since the deciduous incisor and canine tooth germs, as with other tooth germs in the jaw, have not at this stage of development attained a definitive crown or pulp cavity, nerve branches do not penetrate individual tooth germs (see also Fearnhead, 1967;Pearson, 1977). Rather, at this stage, nerve branches ramify through the jaw and around each tooth germ.…”

Section: Resultsmentioning

confidence: 99%

Innervation of the human upper primary dentition: Implications for understanding tooth initiation and rethinking growth and eruption patterns

Schwartz

Langdon

1991

American J Phys Anthropol

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Recent comparisons of humans with apes and early fossil hominids have prompted renewed interest in the study of sequences of dental growth and development. Such comparisons, however, rely on certain assumptions about tooth development and dental homology and the biological reality of distinguishing "deciduous" from "permanent" teeth. In light of earlier suggestions by Schwartz that there might be a correlation between nerves and the stem progenitors of tooth classes, and thus between nerve branch number and number of tooth classes, we studied a large sample of -3 month fetuses to elucidate the nature of nerve branching patterns and the development of the primary dentition (i.e., the "deciduous" incisors, canine, and molars, and the first "permanent" molar). Contrary to expectation, variation in nerve branch patterning was the rule. If nerve fibers do have a role in tooth development, it can only be at the time of initiation, with definitive innervation occurring late in tooth development. In taking into consideration the entire span of tooth development-from initiation to innervation to eruption-and the process by which successional teeth arise (each from the external dental epithelium of a predecessor tooth), we suggest that dividing tooth growth and eruption into patterns of the "deciduous" teeth vs. those of the "permanent" is artificial and that a more meaningful approach would be the study of the entire dentition.In recent years, the question of whether the dental growth and eruption patterns seen in fossil hominids-primarily australopithecines-are more "humanlike" or "apelike" (see, e.g.,

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“…Accessory innervation from the nasopalatine nerve has also been implicated in failure (14-16). Olsen et al (17) found that 26% of the human specimens had branches arising from the nasopalatine nerve at the nasal end of the incisive canal. However, none of the nerves entered the apex of the central incisor in any specimen, but they merely approximated the apical region of the tooth.…”

Section: Discussionmentioning

confidence: 99%

A Prospective, Randomized, Double-blind Comparison of the Anesthetic Efficacy of Two Percent Lidocaine with 1:100,000 and 1:50,000 Epinephrine and Three Percent Mepivacaine in the Intraoral, Infraorbital Nerve Block

Berberich

Reader

Drum

et al. 2009

Journal of Endodontics

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A Study of the Nerve Supply to the Upper Anterior Teeth

Cited by 17 publications

References 2 publications

Anterior and middle superior alveolar nerve block for anesthesia of maxillary teeth using conventional syringe

Anterior and middle superior alveolar nerve block for anesthesia of maxillary teeth using conventional syringe

Innervation of the human upper primary dentition: Implications for understanding tooth initiation and rethinking growth and eruption patterns

A Prospective, Randomized, Double-blind Comparison of the Anesthetic Efficacy of Two Percent Lidocaine with 1:100,000 and 1:50,000 Epinephrine and Three Percent Mepivacaine in the Intraoral, Infraorbital Nerve Block

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