1. RIDGE CORRECTION Alveoloplasty Tuberosity reduction Removal of tori
Maxillary
Mandibular
Removal of maxillary tuberosity and exostoses

2. Alveoloplasty
“Surgical recontouring of alveolar process” Purpose to take care of bony projections, sharp crestal bone or undercuts

3. principles Optimal ridge contour Permit early construction of dentures
Preservation of alveolar bone
Broad alveolar ridge
Reduction irregularities
Rounding off sharp ridges
Preserve cortical bone as much as possible
Defer surgery 4-6 weeks in case of periodontitis

4. Types Simple alveoloplasty Intraseptal alveoloplasty
dean’s alveoloplasty
Obwesenger’s modification
3. Post-extraction alveoloplasty

5. 1) Simple alveoloplasty procedure
after single sitting multiple extraction
Compress buccal and lingual cortical plates with digital pressure
Trim sharp spicules if exist with bone ronger
Smoothened with bone file

7. 2) Intraseptal alveoloplasty
Dean’s interseptal alveoloplasty
Only done in maxillary anterior region to reduce gross maxillary overjet
Mostly done immediately after extraction of anterior teeth
Obwesenger’s modification
Both labial and palatal cortices are repositioned
Done when anterior overjet is too gross that cannot be reduced by labial plate repositioning

8. 3) Post-extraction Alveoloplasty
Done in region where extractions are done at different times
So in this case multiple areas will show sharp edges which are painful to touch
Here crestal incision is taken and mucoperiosteal flap is elevated for trimming the sharp edges and subsequent suturing is done

10. Removal of palatal torus
Palatal tori usually present on midline of hard palate
Composed of cortical bone and may have cancellous component
Palatal tori may interfere with denture retention

11. Indications:
Extremely large torus filling the palatal vault
Torus that extend beyond posterior dam area
Traumatized mucosa over torus
Deep bony undercuts that interfere with denture insertion and stability
Interference with function
Psychological considerations (e.g:malignancy phobia)

13. Removal of mandibular tori
Torus mandibular is an exostosis found on lingual surface of mandible opposite the canine and premolar region
Usually bilateral, maybe single, multiple or lobulated

14. Indications:
Tori causing lingual undercuts and interfere with lingual flange extension of planned prosthesis
When mucosal covering is ulcerated
Large tori interfering with speech and deglutition

15. Maxillary tuberosity and exostosis removal
Main reason for tubercle overgrowth
- extraction of opposing mandibular 3rd molars and subsequent of supraeruption of maxillary 3rd molar, where remains as bony overgrowth after maxillary 3rd molar extraction
Maxillary tubercle interfere with denture construction because it reduce inter-arch space

17. Torus reductions 1 4 2 3