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Mandibular second molar periodontal healing after impacted third molar extraction in young adults.
J Oral Maxillofac Surg. 2012 Dec; 70(12):2732-41.JO

Abstract

PURPOSE

To estimate the prevalence of preoperative periodontal defects and analyze 12-month spontaneous healing on the distal aspect of the mandibular second molar (M2) after impacted mandibular third molar (M3) extraction.

MATERIALS AND METHODS

This prospective clinical study was conducted in 25 healthy young patients (21.03 ± 4.38 yr old) with 40 extractions of higher-risk periodontal impacted M3s. Plaque and gingival indexes, recession, bleeding on probing, probing depth (PD), and attachment level were recorded before surgery and at 3, 6, and 12 months after surgery at 5 sites on the distal aspect of the M2.

RESULTS

The initial mean PD was 5.70 ± 3.80 mm, with the deepest mean PD at the lingual side. At 12 months, a mean PD average of 3.77 ± 2.86 mm was recorded, with a total average recovery of 1.93 ± 2.46 mm (P < .001), that was higher at 3 months (-1.62 mm, P < .001). The PD and attachment level improvements were statistically significant (P < .001) and nearly clinically significant from baseline to 12-month follow-up and from the buccal to the lingual side of the distal aspect of the M2.

CONCLUSIONS

Impacted M3s adjacent to M2s lead to periodontal defects that are deepest at the lingual side and almost recover at 12 months after extraction. The first 3 months is considered the cutoff for periodontal healing. Young adults with high-risk periodontal M3 impactions may benefit from early extraction, which increases spontaneous periodontal healing.

Authors+Show Affiliations

Department of Stomatology, Faculty of Medicine and Dentistry, University of Santiago de Compostela, A Coruña, Spain.No affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article

Language

eng

PubMed ID

22989512

Citation

Faria, Ana Inocêncio, et al. "Mandibular Second Molar Periodontal Healing After Impacted Third Molar Extraction in Young Adults." Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons, vol. 70, no. 12, 2012, pp. 2732-41.
Faria AI, Gallas-Torreira M, López-Ratón M. Mandibular second molar periodontal healing after impacted third molar extraction in young adults. J Oral Maxillofac Surg. 2012;70(12):2732-41.
Faria, A. I., Gallas-Torreira, M., & López-Ratón, M. (2012). Mandibular second molar periodontal healing after impacted third molar extraction in young adults. Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons, 70(12), 2732-41. https://doi.org/10.1016/j.joms.2012.07.044
Faria AI, Gallas-Torreira M, López-Ratón M. Mandibular Second Molar Periodontal Healing After Impacted Third Molar Extraction in Young Adults. J Oral Maxillofac Surg. 2012;70(12):2732-41. PubMed PMID: 22989512.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Mandibular second molar periodontal healing after impacted third molar extraction in young adults. AU - Faria,Ana Inocêncio, AU - Gallas-Torreira,Mercedes, AU - López-Ratón,Mónica, Y1 - 2012/09/16/ PY - 2012/04/09/received PY - 2012/05/29/revised PY - 2012/07/21/accepted PY - 2012/9/20/entrez PY - 2012/9/20/pubmed PY - 2013/2/12/medline SP - 2732 EP - 41 JF - Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons JO - J Oral Maxillofac Surg VL - 70 IS - 12 N2 - PURPOSE: To estimate the prevalence of preoperative periodontal defects and analyze 12-month spontaneous healing on the distal aspect of the mandibular second molar (M2) after impacted mandibular third molar (M3) extraction. MATERIALS AND METHODS: This prospective clinical study was conducted in 25 healthy young patients (21.03 ± 4.38 yr old) with 40 extractions of higher-risk periodontal impacted M3s. Plaque and gingival indexes, recession, bleeding on probing, probing depth (PD), and attachment level were recorded before surgery and at 3, 6, and 12 months after surgery at 5 sites on the distal aspect of the M2. RESULTS: The initial mean PD was 5.70 ± 3.80 mm, with the deepest mean PD at the lingual side. At 12 months, a mean PD average of 3.77 ± 2.86 mm was recorded, with a total average recovery of 1.93 ± 2.46 mm (P < .001), that was higher at 3 months (-1.62 mm, P < .001). The PD and attachment level improvements were statistically significant (P < .001) and nearly clinically significant from baseline to 12-month follow-up and from the buccal to the lingual side of the distal aspect of the M2. CONCLUSIONS: Impacted M3s adjacent to M2s lead to periodontal defects that are deepest at the lingual side and almost recover at 12 months after extraction. The first 3 months is considered the cutoff for periodontal healing. Young adults with high-risk periodontal M3 impactions may benefit from early extraction, which increases spontaneous periodontal healing. SN - 1531-5053 UR - https://www.unboundmedicine.com/medline/citation/22989512/Mandibular_second_molar_periodontal_healing_after_impacted_third_molar_extraction_in_young_adults_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0278-2391(12)01085-3 DB - PRIME DP - Unbound Medicine ER -