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Reduction of Post Extraction Side Effects with a Natural Innovative Dressing. by Dr Maxime Vézin a under the direction of Dr Milli Harel-Raviv Faculty of Dentistry, McGill University. INTRODUCTION. MATERIAL & METHODS. RESULTS.

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Reduction of Post Extraction Side Effects

with a Natural Innovative Dressing

by Dr Maxime Vézina under the direction of Dr Milli Harel-Raviv

Faculty of Dentistry, McGill University




Dental extraction is a very common procedure in dentistry. Although dentist use meticulous precautions when performing exodontia, post operative complications occur. Studies from the past have concentrated their efforts in reducing the incidence of alveolar osteitis and other complications throughout many methods. They have demonstrated that the normal incidence of alveolar osteitis vary from 0,5% to 5% for all dental extractions and from 5% to 10% for third molars1. This situation results in an incomfort for the patient and time losing for the practitioner. Although etiology remains unknown, causes have been suggested and are believed to be multifactorial2. This has led to multiple prophylaxis approaches. Management is presently taken care with analgesic, antibiotic, anti-inflammatory, clot stabilizer, antibacterial rinse or a combination of one of these methods3. The purpose of this study is to introduce and prove a new treatment that enhance healing with no side effects and reduces medication intake by using a device that belongs to a new era of treatment and that will reduce the incidence of post extraction complications.

The purpose of a good dressing in the treatment of post-extraction complications is to:

Close the opening of the alveolar socket so that food debris is kept out.

Provide local pain relief so that the use of narcotics medication can be avoided.

Keep alveolus clean so that excessive inflammation does not slow healing.

Promote healing and allow it to progress at the fastest possible rate.

Suppress the bad odor often emanating from the empty alveolus3.

The antimicrobial activity of plant oils and extracts has been recognized for many years6.Oreganum Vulgare wich 70% is composed of three main constituents: thymol (33%), gamma-terpinene (26%), and p-cymene (11%)4, has shown many benefit such as an effective anti-bacterial and potent anti-oxidant activity throughout studies456. Additional research tested the effects of Oreganum Vulgare on the common bacteria Staphylococcus, which is becoming more drug-resistant and is the culprit in many infections7.

We think that this essential oil extract as part of a base to a sedative dressing is an innovative product that can be used in the oral cavity for wound healing such as dental extraction. In the present study, we compared the use of Oreganum Vulgare based dressing in extraction sites with saline-treated control group for the prevention of post-operative complications following tooth extraction.

2 groups of 10 persons were compared: the first group consisted of irrigating with saline water after each extraction and represented the control group while the second group consisted of placing an oregano based dressing into the alveolar socket after extraction and represented the study group.

Out of the 20 patients randomly chosen: 40% are male and 60% are female. Ages vary from 15 to 80 years old. 75% are caucasian and 25% are afro-americans.

5 wisdom teeth, 6 molars, 9 premolars and 1 incisor were extracted.


The dressings were made by cutting gel foam in a 1cm2 with a #15 blade

The dressing were then impregnated with 2 drops (60mg) of pure oregano oil

After the extraction, curettage and irrigation were completed, the dressing was placed into the alveolar socket.

One 4.0 plain gut resorbable suture was then made to maintain the dressing into the socket

O. Vulgare based dressing group Control group


Reduction in post extraction side effects in patients treated

with O. Vulgare based dressing compared to control group was


Patients from the control group consumed 12% more

analgesics and 58% more antibiotics than patients treated

with O. Vulgare based dressing.

A post extraction management and healing survey was then completed with the patient as part of a 7 day follow-up.

Objective and subjective side effects were mesured and the medication intake was accounted


  • 1. Torres_Lagares D, Serrera-Figallo MA, Romero-Ruiz MM, Infante-Cossio P, Garcia-Calderon M, Gutierrez-Perez JL. Update on dry socket: A review of the literature. Med Oral Patol Oral Chir.Bucal 2005;10:77-85.
  • Blum IR. Contemporary views on dry socket (alveolar osteitis): a clinical appraisal of standardization, actiopathogenesis and management: a critical review. Int J Oral Maxillofac Surg 2002;31:309-17.
  • Alexander RE. Dental extraction wound management. A case against medicating postextraction sockets. J Oral Maxillofac Surg 2000;58:538-51.
  • Faleiro L, Miguel G, Gomes S, Costa L, Venancio F, Teixeira A, Figueiredo AC, Barroso JG, Pedro LG. Antibacterial and antioxidant activities of essential oils isolated from Thymbra capitata L. (Cav.) andOriganum vulgare L. J Agric Food Chem. 2005 Oct 19;53(21):8162-8
  • Burt SA, Reinders RD. Antibacterial activity of selected plant essential oils against Escherichia coli O157:H7. Lett Appl Microbiol. 2003;36(3):162-7.
  • Hammer KA, Carson CF, Riley TV. Antimicrobial activity of essential oils and other plant extracts. J Appl Microbiol. 1999 Jun;86(6):985-90
  • Elgayyar M, Draughon FA, Golden DA, Mount JR. Antimicrobial activity of essential oils from plants against selected pathogenic and saprophytic microorganisms. J Food Prot. 2001 Jul;64(7):1019-24.