ORAL HEALTH |
![]() |
| Team Leader: Mr Tony Glenn | Date of completion: 8/3/1998 |
The contents of this bulletin are likely to be valid for approximately one year, by which time significantly new research evidence may become available
(Users are advised to consult the supporting evidence for a consideration of all the implications of a recommendation)
| The Statements | The Evidence |
| 7a. A
major risk factor in the aetiology of trauma to incisors is protruding upper incisors. In 1993, the proportions of 12-13 year-old children in the United Kingdom with fractured incisors was as followsi: overjet under 5mm = 16% overjet over 5mm = 24% Odds ratio = 1.66 for overjets over 5mm. |
i. OBrien
M. Childrens dental health in the United Kingdom 1993. HMSO London, 1994 p.81 (Type IV evidence - observational studies) |
| 7b.
Mouthguards used during sports reduce oral injuriesi,ii,iii. (Health gain notation - 2 "likely to be beneficial") |
i. Scott J,
Burke FJT, Watts DC. A review of dental injuries and the use of mouthguards in contact
team sports. British Dental Journal 1994; 176: 310-314 (Type V evidence - expert opinion); ii. Jennings DC. Injuries sustained by users and non-users of gum shields in local rugby union. British Journal of Sports Medicine 1990; 24: 159-164 (Type IV evidence - observational studies); iii. McNutt T, Shannon SW, Wright JT, et al. Oral trauma in adolescent athletes: a study of mouth protectors. Paediatric Dentistry 1989; 11: 209-213 (Type IV evidence - observational studies) |
| 7c. Measures
to prevent dental injuries in addition to mouth protection include head protection and
seat belts at the appropriate timesi. (Health gain notation - 1 "beneficial") See also the Injury Prevention Bulletin in this series |
i. Welsh Health
Planning Forum. Oral Health. Protocol for Investment in Health Gain. Cardiff: Welsh Office
NHS Directorate, November 1992 (Type V evidence - expert opinion) |
| 7d. Parents/school
and sports staff should be educated in first aid measures for dental injuriesi. (Health gain notation - 1 "beneficial") |
i. Welsh Health
Planning Forum. Oral Health. Protocol for Investment in Health Gain. Cardiff: Welsh Office
NHS Directorate, November 1992 (Type V evidence - expert opinion) |
| 7e. Avulsed
permanent teeth should be stored in isotonic media (eg milk) if instant
replantation is not possible (over 80% periodontium healed in 8 weeks in an animal
experiment where pre-implantation storage time was up to 3h) i. (Health gain notation - 1 " beneficial") |
i. Bloml f L, Lindskog S, Hammarstr
m L. Periodontal healing of exarticulated teeth stored in milk or saliva. Scandinavian
Journal of Dental Research 1981; 89: 231-239 (Type II evidence - randomised controlled trial) |
7f. The
following information sources contribute to diagnosis and assessment i
(Health gain notation - 1 "beneficial")
(Health gain notation - 2 "likely to be beneficial") |
i. Welsh Health
Planning Forum. Oral Health. Protocol for Investment in Health Gain. Cardiff: Welsh Office
NHS Directorate, November 1992 (Type V evidence - expert opinion) |
| 7g.
Avulsed permanent teeth should be replanted within 15 minutes. (Radiographic follow up for 5 years showed that 14/21 teeth
were stable at the end of the study) i. (Health gain notation - 1 " beneficial") |
i. Andersson L,
Bodin I. Avulsed human teeth replanted within 15 minutes - a long term clinical follow-up
study. Endodontics and Dental Traumatology 1990; 6: 37-42 (Type III evidence - well designed non-randomised trial) |
| 7h. On
reimplantation there should be a short period of splinting to allow
re-establishment of a periodontal ligament) i. (Health gain notation - 2 "likely to be beneficial") |
i. Oikarinen K.
Tooth splinting: a review of the literature and consideration of the versatility of a
wire-composite splint. Endodontics and Dental Traumatology 1990; 6: 237-250 (Type V evidence - expert opinion) |
| 7i. In
the event of pulp death occuring before the root apex has formed, calcium hydroxide
pastes may promote formation of the apex or of a calcified barrier. (Bone healing and
apical closure was noted in 50/55 cases) i. (Health gain notation - 1 " beneficial") |
i. Cvek M.
Treatment of non vital permanent incisors with calcium hydroxide. Odontologisk Revy
1972; 23: 27-44 (Type III evidence - well designed non-randomised trial) |
| 7j. Root
resorption can be arrested by inserting calcium hydroxide paste into the root canal
followed by obturation with gutta percha. (Healing was obtained in 192/197 teeth) i. (Health gain notation - 1 " beneficial") |
i. Cvek M.
Prognosis of luxated non-vital maxillary incisors treated with calcium hydroxide and
filled with gutta-percha. A retrospective clinical study. Endodontics and Dental
Traumatology 1992; 8: 45-55 (Type III evidence - well designed non-randomised trial) |
| 7k. The etch
retained composite technique is now the accepted clinical standard for repairing an
uncomplicated crown fracture, providing aesthetically pleasing restoration with acceptable
longevity i. (Health gain notation - 1 " beneficial") |
i. Andreasen J
O, Andreasen FM. Essentials of traumatic injuries to the teeth. Copenhagen: Munksgrd,1990 (Type V evidence - expert opinion) |
| 7l. Regular
follow-up is recommended after treatment of dental trauma i. (Health gain notation - 1 "beneficial") |
i. Welsh Health
Planning Forum. Oral Health. Protocol for Investment in Health Gain. Cardiff: Welsh Office
NHS Directorate, November 1992 (Type V evidence - expert opinion) |
| 7m.
Orthodontics, if indicated, is beneficial after treatment of dental trauma i. (Health gain notation - 1 "beneficial") |
i. Welsh Health
Planning Forum. Oral Health. Protocol for Investment in Health Gain. Cardiff: Welsh Office
NHS Directorate, November 1992 (Type V evidence - expert opinion) |
| 7n. The
dental team should be educated as to their role in the detection of non-accidental
injury i. (Health gain notation - 2 "likely to be beneficial") |
i. Welbury RR,
Murphy JM. The dental practitioner's role in protecting children from abuse 3. Reporting
and subsequent management of abuse. British Dental Journal 1998; 184(32):
115-119 (Type V evidence - expert opinion) |
| 7o. Guidelines on the treatment of avulsed permanent teeth and traumatically intruded permanent incisor teeth in children are availablei. | i. Faculty of
Dental Surgery. National Clinical Guidelines 1997. London: Royal College of Surgeons, 1997 (Recommendations classified according to type of evidence) |
| 7p. There is some evidence in the United Kingdom that primary care services for the treatment of dental trauma are inadequate, as dentists have insufficient knowledge. The situation should be reviewed locally and steps taken to address the problem if detected i,ii. | i. Hamilton FA,
Hill FJ, Holloway PJ. An investigation of dento-alveolar trauma and its treatment in an
adolescent population. Part 1: the prevalence and incidence of injuries and the extend and
adequacy of treatment received. British Dental Journal 1997; 182(3): 91-95 (Type IV evidence - observational studies); ii. Hamilton FA, Hill FJ, Holloway PJ. An investigation of dento-alveolar trauma and its treatment in an adolescent population. Part 2: dentists knowledge of management methods and their perceptions of barriers to providing care. British Dental Journal 1997; 182(4): 129-133 (Type IV evidence - observational studies) |
Health Evidence Bulletins: Wales, Duthie Library, UWCM, Cardiff CF14 4XN. e-mail: weightmanal@cardiff.ac.uk